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FFmpeg
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  1. #!/bin/sh

  2. #

  3. # FFmpeg configure script

  4. #

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

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

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

  8. #

  9. 

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

  11. LC_ALL=C

  12. export LC_ALL

  13. 

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

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

  16. 

  17. try_exec(){

  18.     echo "Trying shell $1"

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

  20. }

  21. 

  22. unset foo

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

  24. E1="$?"

  25. 

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

  27. E2="$?"

  28. 

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

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

  31.     export FF_CONF_EXEC

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

  33.         FF_CONF_EXEC=1

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

  35.     fi

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

  37.         FF_CONF_EXEC=2

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

  39.     fi

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

  41.         FF_CONF_EXEC=3

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

  43.     fi

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

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

  46.     echo "such as bash or ksh."

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

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

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

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

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

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

  53.     fi

  54.     exit 1

  55. fi

  56. 

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

  58. 

  59. show_help(){

  60.     cat <<EOF

  61. Usage: configure [options]

  62. Options: [defaults in brackets after descriptions]

  63. 

  64. Help options:

  65.   --help                   print this message

  66.   --list-decoders          show all available decoders

  67.   --list-encoders          show all available encoders

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

  69.   --list-demuxers          show all available demuxers

  70.   --list-muxers            show all available muxers

  71.   --list-parsers           show all available parsers

  72.   --list-protocols         show all available protocols

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

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

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

  76.   --list-filters           show all available filters

  77. 

  78. Standard options:

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

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

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

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

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

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

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

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

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

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

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

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

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

  92.                            not part of the dynamic linker search path

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

  94. 

  95. Licensing options:

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

  97.                            and binaries will be under GPL [no]

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

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

  100.                            and binaries will be unredistributable [no]

  101. 

  102. Configuration options:

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

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

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

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

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

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

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

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

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

  112. 

  113. Program options:

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

  115.   --disable-ffmpeg         disable ffmpeg build

  116.   --disable-ffplay         disable ffplay build

  117.   --disable-ffprobe        disable ffprobe build

  118.   --disable-ffserver       disable ffserver build

  119. 

  120. Documentation options:

  121.   --disable-doc            do not build documentation

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

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

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

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

  126. 

  127. Component options:

  128.   --disable-avdevice       disable libavdevice build

  129.   --disable-avcodec        disable libavcodec build

  130.   --disable-avformat       disable libavformat build

  131.   --disable-swresample     disable libswresample build

  132.   --disable-swscale        disable libswscale build

  133.   --disable-postproc       disable libpostproc build

  134.   --disable-avfilter       disable libavfilter build

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

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

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

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

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

  140.   --disable-dct            disable DCT code

  141.   --disable-dwt            disable DWT code

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

  143.   --disable-lsp            disable LSP code

  144.   --disable-lzo            disable LZO decoder code

  145.   --disable-mdct           disable MDCT code

  146.   --disable-rdft           disable RDFT code

  147.   --disable-fft            disable FFT code

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

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

  150. 

  151. Hardware accelerators:

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

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

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

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

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

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

  158. 

  159. Individual component options:

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

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

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

  163.   --disable-encoders       disable all encoders

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

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

  166.   --disable-decoders       disable all decoders

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

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

  169.   --disable-hwaccels       disable all hwaccels

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

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

  172.   --disable-muxers         disable all muxers

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

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

  175.   --disable-demuxers       disable all demuxers

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

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

  178.   --disable-parsers        disable all parsers

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

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

  181.   --disable-bsfs           disable all bitstream filters

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

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

  184.   --disable-protocols      disable all protocols

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

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

  187.   --disable-indevs         disable input devices

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

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

  190.   --disable-outdevs        disable output devices

  191.   --disable-devices        disable all devices

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

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

  194.   --disable-filters        disable all filters

  195. 

  196. External library support:

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

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

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

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

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

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

  203.                            if openssl is not used [no]

  204.   --disable-iconv          disable iconv [autodetect]

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

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

  207.   --enable-libass          enable libass subtitles rendering,

  208.                            needed for subtitles and ass filter [no]

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

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

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

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

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

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

  215.                            and libraw1394 [no]

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

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

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

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

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

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

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

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

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

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

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

  227.   --enable-libmfx          enable HW acceleration through libmfx

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

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

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

  231.                            native (de)muxer exists [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  259.                            native implementation exists [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  274.   --disable-lzma           disable lzma [autodetect]

  275.   --enable-decklink        enable Blackmagick DeckLink I/O support [no]

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

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

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

  279.   --enable-opencl          enable OpenCL code

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

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

  282.                            if gnutls is not used [no]

  283.   --disable-sdl            disable sdl [autodetect]

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

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

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

  287.   --disable-xlib           disable xlib [autodetect]

  288.   --disable-zlib           disable zlib [autodetect]

  289. 

  290. Toolchain options:

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

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

  293.                            instruction selection, may crash on older CPUs)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  338. 

  339. Advanced options (experts only):

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

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

  342.   --disable-symver         disable symbol versioning

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

  344.   --disable-safe-bitstream-reader

  345.                            disable buffer boundary checking in bitreaders

  346.                            (faster, but may crash)

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

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

  349. 

  350. Optimization options (experts only):

  351.   --disable-asm            disable all assembly optimizations

  352.   --disable-altivec        disable AltiVec optimizations

  353.   --disable-vsx            disable VSX optimizations

  354.   --disable-power8         disable POWER8 optimizations

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

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

  357.   --disable-mmx            disable MMX optimizations

  358.   --disable-mmxext         disable MMXEXT optimizations

  359.   --disable-sse            disable SSE optimizations

  360.   --disable-sse2           disable SSE2 optimizations

  361.   --disable-sse3           disable SSE3 optimizations

  362.   --disable-ssse3          disable SSSE3 optimizations

  363.   --disable-sse4           disable SSE4 optimizations

  364.   --disable-sse42          disable SSE4.2 optimizations

  365.   --disable-avx            disable AVX optimizations

  366.   --disable-xop            disable XOP optimizations

  367.   --disable-fma3           disable FMA3 optimizations

  368.   --disable-fma4           disable FMA4 optimizations

  369.   --disable-avx2           disable AVX2 optimizations

  370.   --disable-armv5te        disable armv5te optimizations

  371.   --disable-armv6          disable armv6 optimizations

  372.   --disable-armv6t2        disable armv6t2 optimizations

  373.   --disable-vfp            disable VFP optimizations

  374.   --disable-neon           disable NEON optimizations

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

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

  377.   --disable-mips32r5       disable MIPS32R5 optimizations

  378.   --disable-mips64r6       disable MIPS64R6 optimizations

  379.   --disable-mipsdspr1      disable MIPS DSP ASE R1 optimizations

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

  381.   --disable-msa            disable MSA optimizations

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

  383.   --disable-mmi            disable Loongson SIMD optimizations

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

  385. 

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

  387.   --disable-debug          disable debugging symbols

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

  389.   --disable-optimizations  disable compiler optimizations

  390.   --enable-extra-warnings  enable more compiler warnings

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

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

  393.                            2 causes a slowdown at runtime.

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

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

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

  397.                            Cannot be combined with --target-exec

  398.   --enable-ftrapv          Trap arithmetic overflows

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

  400.                            \$FATE_SAMPLES at make invocation time.

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

  402.                            used only for debugging purposes)

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

  404.                            should be used only for debugging purposes)

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

  406.   --disable-random

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

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

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

  410.                            (group) and PROB the probability associated with

  411.                            NAME (default 0.5).

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

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

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

  415. 

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

  417. EOF

  418.   exit 0

  419. }

  420. 

  421. quotes='""'

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

  423.     ncolors=$(tput colors)

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

  425.         bold_color=$(tput bold)

  426.         warn_color=$(tput setaf 3)

  427.         error_color=$(tput setaf 1)

  428.         reset_color=$(tput sgr0)

  429.     fi

  430.     # 72 used instead of 80 since that's the default of pr

  431.     ncols=$(tput cols)

  432. fi

  433. : ${ncols:=72}

  434. 

  435. log(){

  436.     echo "$@" >> $logfile

  437. }

  438. 

  439. log_file(){

  440.     log BEGIN $1

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

  442.     log END $1

  443. }

  444. 

  445. warn(){

  446.     log "WARNING: $*"

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

  448. }

  449. 

  450. die(){

  451.     log "$@"

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

  453.     cat <<EOF

  454. 

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

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

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

  458. EOF

  459.     if disabled logging; then

  460.         cat <<EOF

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

  462. include the log this produces with your report.

  463. EOF

  464.     else

  465.         cat <<EOF

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

  467. solve the problem.

  468. EOF

  469.     fi

  470.     exit 1

  471. }

  472. 

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

  474. toupper(){

  475.     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ

  476. }

  477. 

  478. tolower(){

  479.     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz

  480. }

  481. 

  482. c_escape(){

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

  484. }

  485. 

  486. sh_quote(){

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

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

  489.     echo "$v"

  490. }

  491. 

  492. cleanws(){

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

  494. }

  495. 

  496. filter(){

  497.     pat=$1

  498.     shift

  499.     for v; do

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

  501.     done

  502. }

  503. 

  504. filter_out(){

  505.     pat=$1

  506.     shift

  507.     for v; do

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

  509.     done

  510. }

  511. 

  512. map(){

  513.     m=$1

  514.     shift

  515.     for v; do eval $m; done

  516. }

  517. 

  518. add_suffix(){

  519.     suffix=$1

  520.     shift

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

  522. }

  523. 

  524. set_all(){

  525.     value=$1

  526.     shift

  527.     for var in $*; do

  528.         eval $var=$value

  529.     done

  530. }

  531. 

  532. set_weak(){

  533.     value=$1

  534.     shift

  535.     for var; do

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

  537.     done

  538. }

  539. 

  540. sanitize_var_name(){

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

  542. }

  543. 

  544. set_safe(){

  545.     var=$1

  546.     shift

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

  548. }

  549. 

  550. get_safe(){

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

  552. }

  553. 

  554. pushvar(){

  555.     for pvar in $*; do

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

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

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

  559.     done

  560. }

  561. 

  562. popvar(){

  563.     for pvar in $*; do

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

  565.         test $level = 0 && continue

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

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

  568.         eval ${pvar}_level=$level

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

  570.     done

  571. }

  572. 

  573. enable(){

  574.     set_all yes $*

  575. }

  576. 

  577. disable(){

  578.     set_all no $*

  579. }

  580. 

  581. enable_weak(){

  582.     set_weak yes $*

  583. }

  584. 

  585. disable_weak(){

  586.     set_weak no $*

  587. }

  588. 

  589. enable_safe(){

  590.     for var; do

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

  592.     done

  593. }

  594. 

  595. disable_safe(){

  596.     for var; do

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

  598.     done

  599. }

  600. 

  601. do_enable_deep(){

  602.     for var; do

  603.         enabled $var && continue

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

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

  606.         pushvar var sgs

  607.         enable_deep $sel

  608.         popvar sgs

  609.         enable_deep_weak $sgs

  610.         popvar var

  611.     done

  612. }

  613. 

  614. enable_deep(){

  615.     do_enable_deep $*

  616.     enable $*

  617. }

  618. 

  619. enable_deep_weak(){

  620.     for var; do

  621.         disabled $var && continue

  622.         pushvar var

  623.         do_enable_deep $var

  624.         popvar var

  625.         enable_weak $var

  626.     done

  627. }

  628. 

  629. enabled(){

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

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

  632. }

  633. 

  634. disabled(){

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

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

  637. }

  638. 

  639. enabled_all(){

  640.     for opt; do

  641.         enabled $opt || return 1

  642.     done

  643. }

  644. 

  645. disabled_all(){

  646.     for opt; do

  647.         disabled $opt || return 1

  648.     done

  649. }

  650. 

  651. enabled_any(){

  652.     for opt; do

  653.         enabled $opt && return 0

  654.     done

  655. }

  656. 

  657. disabled_any(){

  658.     for opt; do

  659.         disabled $opt && return 0

  660.     done

  661.     return 1

  662. }

  663. 

  664. set_default(){

  665.     for opt; do

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

  667.     done

  668. }

  669. 

  670. is_in(){

  671.     value=$1

  672.     shift

  673.     for var in $*; do

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

  675.     done

  676.     return 1

  677. }

  678. 

  679. do_check_deps(){

  680.     for cfg; do

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

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

  683.         disabled ${cfg}_checking && continue

  684.         enable ${cfg}_checking

  685.         append allopts $cfg

  686. 

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

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

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

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

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

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

  693. 

  694.         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

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

  696.         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

  697. 

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

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

  700.         enabled_all  $dep_all || disable $cfg

  701.         enabled_any  $dep_any || disable $cfg

  702.         disabled_any $dep_sel && disable $cfg

  703. 

  704.         if enabled $cfg; then

  705.             enable_deep $dep_sel

  706.             enable_deep_weak $dep_sgs

  707.         fi

  708. 

  709.         disable ${cfg}_checking

  710.     done

  711. }

  712. 

  713. check_deps(){

  714.     unset allopts

  715. 

  716.     do_check_deps "$@"

  717. 

  718.     for cfg in $allopts; do

  719.         enabled $cfg || continue

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

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

  722.     done

  723. }

  724. 

  725. print_config(){

  726.     pfx=$1

  727.     files=$2

  728.     shift 2

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

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

  731.         {

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

  733.             v = \$2;

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

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

  736.             for (f in files) {

  737.                 file = files[f];

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

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

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

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

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

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

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

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

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

  747.                     yesno = \$2;

  748.                     c2 = tolower(c);

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

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

  751.                 }

  752.             }

  753.         }"

  754. }

  755. 

  756. print_enabled(){

  757.     suf=$1

  758.     shift

  759.     for v; do

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

  761.     done

  762. }

  763. 

  764. append(){

  765.     var=$1

  766.     shift

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

  768. }

  769. 

  770. prepend(){

  771.     var=$1

  772.     shift

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

  774. }

  775. 

  776. unique(){

  777.     var=$1

  778.     uniq_list=""

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

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

  781.     done

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

  783. }

  784. 

  785. add_cppflags(){

  786.     append CPPFLAGS "$@"

  787. }

  788. 

  789. add_cflags(){

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

  791. }

  792. 

  793. add_cxxflags(){

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

  795. }

  796. 

  797. add_asflags(){

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

  799. }

  800. 

  801. add_ldflags(){

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

  803. }

  804. 

  805. add_ldexeflags(){

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

  807. }

  808. 

  809. add_ldlibflags(){

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

  811. }

  812. 

  813. add_stripflags(){

  814.     append ASMSTRIPFLAGS "$@"

  815. }

  816. 

  817. add_extralibs(){

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

  819. }

  820. 

  821. add_host_cppflags(){

  822.     append host_cppflags "$@"

  823. }

  824. 

  825. add_host_cflags(){

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

  827. }

  828. 

  829. add_host_ldflags(){

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

  831. }

  832. 

  833. add_compat(){

  834.     append compat_objs $1

  835.     shift

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

  837. }

  838. 

  839. check_cmd(){

  840.     log "$@"

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

  842. }

  843. 

  844. check_stat(){

  845.     log check_stat "$@"

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

  847. }

  848. 

  849. cc_o(){

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

  851. }

  852. 

  853. cc_e(){

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

  855. }

  856. 

  857. check_cc(){

  858.     log check_cc "$@"

  859.     cat > $TMPC

  860.     log_file $TMPC

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

  862. }

  863. 

  864. check_cxx(){

  865.     log check_cxx "$@"

  866.     cat > $TMPCPP

  867.     log_file $TMPCPP

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

  869. }

  870. 

  871. check_oc(){

  872.     log check_oc "$@"

  873.     cat > $TMPM

  874.     log_file $TMPM

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

  876. }

  877. 

  878. check_cpp(){

  879.     log check_cpp "$@"

  880.     cat > $TMPC

  881.     log_file $TMPC

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

  883. }

  884. 

  885. as_o(){

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

  887. }

  888. 

  889. check_as(){

  890.     log check_as "$@"

  891.     cat > $TMPS

  892.     log_file $TMPS

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

  894. }

  895. 

  896. check_inline_asm(){

  897.     log check_inline_asm "$@"

  898.     name="$1"

  899.     code="$2"

  900.     shift 2

  901.     disable $name

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

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

  904. EOF

  905. }

  906. 

  907. check_insn(){

  908.     log check_insn "$@"

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

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

  911. }

  912. 

  913. check_yasm(){

  914.     log check_yasm "$@"

  915.     echo "$1" > $TMPS

  916.     log_file $TMPS

  917.     shift 1

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

  919. }

  920. 

  921. ld_o(){

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

  923. }

  924. 

  925. check_ld(){

  926.     log check_ld "$@"

  927.     type=$1

  928.     shift 1

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

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

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

  932.     flags=$($ldflags_filter $flags)

  933.     libs=$($ldflags_filter $libs)

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

  935. }

  936. 

  937. print_include(){

  938.     hdr=$1

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

  940.         echo "#include $hdr"    ||

  941.         echo "#include <$hdr>"

  942. }

  943. 

  944. check_code(){

  945.     log check_code "$@"

  946.     check=$1

  947.     headers=$2

  948.     code=$3

  949.     shift 3

  950.     {

  951.         for hdr in $headers; do

  952.             print_include $hdr

  953.         done

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

  955.     } | check_$check "$@"

  956. }

  957. 

  958. check_cppflags(){

  959.     log check_cppflags "$@"

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

  961. int x;

  962. EOF

  963. }

  964. 

  965. test_cflags(){

  966.     log test_cflags "$@"

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

  968.     check_cc "$@" <<EOF

  969. int x;

  970. EOF

  971. }

  972. 

  973. check_cflags(){

  974.     log check_cflags "$@"

  975.     test_cflags "$@" && add_cflags "$@"

  976. }

  977. 

  978. check_cxxflags(){

  979.     log check_cxxflags "$@"

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

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

  982. int x;

  983. EOF

  984. }

  985. 

  986. test_ldflags(){

  987.     log test_ldflags "$@"

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

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

  990. EOF

  991. }

  992. 

  993. check_ldflags(){

  994.     log check_ldflags "$@"

  995.     test_ldflags "$@" && add_ldflags "$@"

  996. }

  997. 

  998. test_stripflags(){

  999.     log test_stripflags "$@"

  1000.     # call check_cc to get a fresh TMPO

  1001.     check_cc <<EOF

  1002. int main(void) { return 0; }

  1003. EOF

  1004.     check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO

  1005. }

  1006. 

  1007. check_stripflags(){

  1008.     log check_stripflags "$@"

  1009.     test_stripflags "$@" && add_stripflags "$@"

  1010. }

  1011. 

  1012. check_header(){

  1013.     log check_header "$@"

  1014.     header=$1

  1015.     shift

  1016.     disable_safe $header

  1017.     check_cpp "$@" <<EOF && enable_safe $header

  1018. #include <$header>

  1019. int x;

  1020. EOF

  1021. }

  1022. 

  1023. check_header_oc(){

  1024.     log check_header_oc "$@"

  1025.     rm -f -- "$TMPO"

  1026.     header=$1

  1027.     shift

  1028.     disable_safe $header

  1029.     {

  1030.        echo "#include <$header>"

  1031.        echo "int main(void) { return 0; }"

  1032.     } | check_oc && check_stat "$TMPO" && enable_safe $headers

  1033. }

  1034. 

  1035. check_func(){

  1036.     log check_func "$@"

  1037.     func=$1

  1038.     shift

  1039.     disable $func

  1040.     check_ld "cc" "$@" <<EOF && enable $func

  1041. extern int $func();

  1042. int main(void){ $func(); }

  1043. EOF

  1044. }

  1045. 

  1046. check_mathfunc(){

  1047.     log check_mathfunc "$@"

  1048.     func=$1

  1049.     narg=$2

  1050.     shift 2

  1051.     test $narg = 2 && args="f, g" || args="f"

  1052.     disable $func

  1053.     check_ld "cc" "$@" <<EOF && enable $func

  1054. #include <math.h>

  1055. float foo(float f, float g) { return $func($args); }

  1056. int main(void){ return (int) foo; }

  1057. EOF

  1058. }

  1059. 

  1060. check_func_headers(){

  1061.     log check_func_headers "$@"

  1062.     headers=$1

  1063.     funcs=$2

  1064.     shift 2

  1065.     {

  1066.         for hdr in $headers; do

  1067.             print_include $hdr

  1068.         done

  1069.         for func in $funcs; do

  1070.             echo "long check_$func(void) { return (long) $func; }"

  1071.         done

  1072.         echo "int main(void) { return 0; }"

  1073.     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers

  1074. }

  1075. 

  1076. check_class_headers_cpp(){

  1077.     log check_class_headers_cpp "$@"

  1078.     headers=$1

  1079.     classes=$2

  1080.     shift 2

  1081.     {

  1082.         for hdr in $headers; do

  1083.             echo "#include <$hdr>"

  1084.         done

  1085.         echo "int main(void) { "

  1086.         i=1

  1087.         for class in $classes; do

  1088.             echo "$class obj$i;"

  1089.             i=$(expr $i + 1)

  1090.         done

  1091.         echo "return 0; }"

  1092.     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers

  1093. }

  1094. 

  1095. check_cpp_condition(){

  1096.     log check_cpp_condition "$@"

  1097.     header=$1

  1098.     condition=$2

  1099.     shift 2

  1100.     check_cpp "$@" <<EOF

  1101. #include <$header>

  1102. #if !($condition)

  1103. #error "unsatisfied condition: $condition"

  1104. #endif

  1105. EOF

  1106. }

  1107. 

  1108. check_lib(){

  1109.     log check_lib "$@"

  1110.     header="$1"

  1111.     func="$2"

  1112.     shift 2

  1113.     check_header $header && check_func $func "$@" && add_extralibs "$@"

  1114. }

  1115. 

  1116. check_lib2(){

  1117.     log check_lib2 "$@"

  1118.     headers="$1"

  1119.     funcs="$2"

  1120.     shift 2

  1121.     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"

  1122. }

  1123. 

  1124. check_lib_cpp(){

  1125.     log check_lib_cpp "$@"

  1126.     headers="$1"

  1127.     classes="$2"

  1128.     shift 2

  1129.     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"

  1130. }

  1131. 

  1132. check_pkg_config(){

  1133.     log check_pkg_config "$@"

  1134.     pkgandversion="$1"

  1135.     pkg="${1%% *}"

  1136.     headers="$2"

  1137.     funcs="$3"

  1138.     shift 3

  1139.     check_cmd $pkg_config --exists --print-errors $pkgandversion || return

  1140.     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)

  1141.     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)

  1142.     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&

  1143.         set_safe "${pkg}_cflags" $pkg_cflags   &&

  1144.         set_safe "${pkg}_libs"   $pkg_libs

  1145. }

  1146. 

  1147. check_exec(){

  1148.     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }

  1149. }

  1150. 

  1151. check_exec_crash(){

  1152.     code=$(cat)

  1153. 

  1154.     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)

  1155.     # are safe but may not be available everywhere.  Thus we use

  1156.     # raise(SIGTERM) instead.  The check is run in a subshell so we

  1157.     # can redirect the "Terminated" message from the shell.  SIGBUS

  1158.     # is not defined by standard C so it is used conditionally.

  1159. 

  1160.     (check_exec "$@") >> $logfile 2>&1 <<EOF

  1161. #include <signal.h>

  1162. static void sighandler(int sig){

  1163.     raise(SIGTERM);

  1164. }

  1165. int foo(void){

  1166.     $code

  1167. }

  1168. int (*func_ptr)(void) = foo;

  1169. int main(void){

  1170.     signal(SIGILL, sighandler);

  1171.     signal(SIGFPE, sighandler);

  1172.     signal(SIGSEGV, sighandler);

  1173. #ifdef SIGBUS

  1174.     signal(SIGBUS, sighandler);

  1175. #endif

  1176.     return func_ptr();

  1177. }

  1178. EOF

  1179. }

  1180. 

  1181. check_type(){

  1182.     log check_type "$@"

  1183.     headers=$1

  1184.     type=$2

  1185.     shift 2

  1186.     disable_safe "$type"

  1187.     check_code cc "$headers" "$type v" "$@" && enable_safe "$type"

  1188. }

  1189. 

  1190. check_struct(){

  1191.     log check_struct "$@"

  1192.     headers=$1

  1193.     struct=$2

  1194.     member=$3

  1195.     shift 3

  1196.     disable_safe "${struct}_${member}"

  1197.     check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&

  1198.         enable_safe "${struct}_${member}"

  1199. }

  1200. 

  1201. check_builtin(){

  1202.     log check_builtin "$@"

  1203.     name=$1

  1204.     headers=$2

  1205.     builtin=$3

  1206.     shift 3

  1207.     disable "$name"

  1208.     check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"

  1209. }

  1210. 

  1211. check_compile_assert(){

  1212.     log check_compile_assert "$@"

  1213.     name=$1

  1214.     headers=$2

  1215.     condition=$3

  1216.     shift 3

  1217.     disable "$name"

  1218.     check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"

  1219. }

  1220. 

  1221. require(){

  1222.     name="$1"

  1223.     header="$2"

  1224.     func="$3"

  1225.     shift 3

  1226.     check_lib $header $func "$@" || die "ERROR: $name not found"

  1227. }

  1228. 

  1229. require2(){

  1230.     name="$1"

  1231.     headers="$2"

  1232.     func="$3"

  1233.     shift 3

  1234.     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"

  1235. }

  1236. 

  1237. require_cpp(){

  1238.     name="$1"

  1239.     headers="$2"

  1240.     classes="$3"

  1241.     shift 3

  1242.     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"

  1243. }

  1244. 

  1245. use_pkg_config(){

  1246.     pkg="$1"

  1247.     check_pkg_config "$@" || return 1

  1248.     add_cflags    $(get_safe "${pkg}_cflags")

  1249.     add_extralibs $(get_safe "${pkg}_libs")

  1250. }

  1251. 

  1252. require_pkg_config(){

  1253.     use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"

  1254. }

  1255. 

  1256. require_libfreetype(){

  1257.     log require_libfreetype "$@"

  1258.     pkg="freetype2"

  1259.     check_cmd $pkg_config --exists --print-errors $pkg \

  1260.       || die "ERROR: $pkg not found"

  1261.     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)

  1262.     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)

  1263.     {

  1264.         echo "#include <ft2build.h>"

  1265.         echo "#include FT_FREETYPE_H"

  1266.         echo "long check_func(void) { return (long) FT_Init_FreeType; }"

  1267.         echo "int main(void) { return 0; }"

  1268.     } | check_ld "cc" $pkg_cflags $pkg_libs \

  1269.       && set_safe "${pkg}_cflags" $pkg_cflags \

  1270.       && set_safe "${pkg}_libs"   $pkg_libs \

  1271.       || die "ERROR: $pkg not found"

  1272.     add_cflags    $(get_safe "${pkg}_cflags")

  1273.     add_extralibs $(get_safe "${pkg}_libs")

  1274. }

  1275. 

  1276. hostcc_e(){

  1277.     eval printf '%s\\n' $HOSTCC_E

  1278. }

  1279. 

  1280. hostcc_o(){

  1281.     eval printf '%s\\n' $HOSTCC_O

  1282. }

  1283. 

  1284. check_host_cc(){

  1285.     log check_host_cc "$@"

  1286.     cat > $TMPC

  1287.     log_file $TMPC

  1288.     check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC

  1289. }

  1290. 

  1291. check_host_cpp(){

  1292.     log check_host_cpp "$@"

  1293.     cat > $TMPC

  1294.     log_file $TMPC

  1295.     check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC

  1296. }

  1297. 

  1298. check_host_cppflags(){

  1299.     log check_host_cppflags "$@"

  1300.     check_host_cc "$@" <<EOF && append host_cppflags "$@"

  1301. int x;

  1302. EOF

  1303. }

  1304. 

  1305. check_host_cflags(){

  1306.     log check_host_cflags "$@"

  1307.     set -- $($host_cflags_filter "$@")

  1308.     check_host_cc "$@" <<EOF && append host_cflags "$@"

  1309. int x;

  1310. EOF

  1311. }

  1312. 

  1313. check_host_cpp_condition(){

  1314.     log check_host_cpp_condition "$@"

  1315.     header=$1

  1316.     condition=$2

  1317.     shift 2

  1318.     check_host_cpp "$@" <<EOF

  1319. #include <$header>

  1320. #if !($condition)

  1321. #error "unsatisfied condition: $condition"

  1322. #endif

  1323. EOF

  1324. }

  1325. 

  1326. cp_if_changed(){

  1327.     cmp -s "$1" "$2" && echo "$2 is unchanged" && return

  1328.     mkdir -p "$(dirname $2)"

  1329.     $cp_f "$1" "$2"

  1330. }

  1331. 

  1332. # CONFIG_LIST contains configurable options, while HAVE_LIST is for

  1333. # system-dependent things.

  1334. 

  1335. COMPONENT_LIST="

  1336.     bsfs

  1337.     decoders

  1338.     demuxers

  1339.     encoders

  1340.     filters

  1341.     hwaccels

  1342.     indevs

  1343.     muxers

  1344.     outdevs

  1345.     parsers

  1346.     protocols

  1347. "

  1348. 

  1349. EXAMPLE_LIST="

  1350.     avio_reading_example

  1351.     avio_dir_cmd_example

  1352.     decoding_encoding_example

  1353.     demuxing_decoding_example

  1354.     extract_mvs_example

  1355.     filter_audio_example

  1356.     filtering_audio_example

  1357.     filtering_video_example

  1358.     metadata_example

  1359.     muxing_example

  1360.     qsvdec_example

  1361.     remuxing_example

  1362.     resampling_audio_example

  1363.     scaling_video_example

  1364.     transcode_aac_example

  1365.     transcoding_example

  1366. "

  1367. 

  1368. EXTERNAL_LIBRARY_LIST="

  1369.     avisynth

  1370.     bzlib

  1371.     chromaprint

  1372.     crystalhd

  1373.     decklink

  1374.     frei0r

  1375.     gnutls

  1376.     iconv

  1377.     ladspa

  1378.     libaacplus

  1379.     libass

  1380.     libbluray

  1381.     libbs2b

  1382.     libcaca

  1383.     libcdio

  1384.     libcelt

  1385.     libdc1394

  1386.     libdcadec

  1387.     libfaac

  1388.     libfdk_aac

  1389.     libflite

  1390.     libfontconfig

  1391.     libfreetype

  1392.     libfribidi

  1393.     libgme

  1394.     libgsm

  1395.     libiec61883

  1396.     libilbc

  1397.     libkvazaar

  1398.     libmfx

  1399.     libmodplug

  1400.     libmp3lame

  1401.     libnut

  1402.     libopencore_amrnb

  1403.     libopencore_amrwb

  1404.     libopencv

  1405.     libopenh264

  1406.     libopenjpeg

  1407.     libopus

  1408.     libpulse

  1409.     libquvi

  1410.     librtmp

  1411.     librubberband

  1412.     libschroedinger

  1413.     libshine

  1414.     libsmbclient

  1415.     libsnappy

  1416.     libsoxr

  1417.     libspeex

  1418.     libssh

  1419.     libstagefright_h264

  1420.     libtesseract

  1421.     libtheora

  1422.     libtwolame

  1423.     libutvideo

  1424.     libv4l2

  1425.     libvidstab

  1426.     libvo_aacenc

  1427.     libvo_amrwbenc

  1428.     libvorbis

  1429.     libvpx

  1430.     libwavpack

  1431.     libwebp

  1432.     libx264

  1433.     libx265

  1434.     libxavs

  1435.     libxcb

  1436.     libxcb_shm

  1437.     libxcb_shape

  1438.     libxcb_xfixes

  1439.     libxvid

  1440.     libzmq

  1441.     libzvbi

  1442.     lzma

  1443.     mmal

  1444.     nvenc

  1445.     openal

  1446.     opencl

  1447.     opengl

  1448.     openssl

  1449.     sdl

  1450.     securetransport

  1451.     x11grab

  1452.     xlib

  1453.     zlib

  1454. "

  1455. 

  1456. DOCUMENT_LIST="

  1457.     doc

  1458.     htmlpages

  1459.     manpages

  1460.     podpages

  1461.     txtpages

  1462. "

  1463. 

  1464. FEATURE_LIST="

  1465.     ftrapv

  1466.     gray

  1467.     hardcoded_tables

  1468.     runtime_cpudetect

  1469.     safe_bitstream_reader

  1470.     shared

  1471.     small

  1472.     static

  1473.     swscale_alpha

  1474. "

  1475. 

  1476. HWACCEL_LIST="

  1477.     d3d11va

  1478.     dxva2

  1479.     vaapi

  1480.     vda

  1481.     vdpau

  1482.     videotoolbox

  1483.     xvmc

  1484. "

  1485. 

  1486. LIBRARY_LIST="

  1487.     avcodec

  1488.     avdevice

  1489.     avfilter

  1490.     avformat

  1491.     avresample

  1492.     avutil

  1493.     postproc

  1494.     swresample

  1495.     swscale

  1496. "

  1497. 

  1498. LICENSE_LIST="

  1499.     gpl

  1500.     nonfree

  1501.     version3

  1502. "

  1503. 

  1504. PROGRAM_LIST="

  1505.     ffplay

  1506.     ffprobe

  1507.     ffserver

  1508.     ffmpeg

  1509. "

  1510. 

  1511. SUBSYSTEM_LIST="

  1512.     dct

  1513.     dwt

  1514.     error_resilience

  1515.     faan

  1516.     fast_unaligned

  1517.     fft

  1518.     lsp

  1519.     lzo

  1520.     mdct

  1521.     pixelutils

  1522.     network

  1523.     rdft

  1524. "

  1525. 

  1526. CONFIG_LIST="

  1527.     $COMPONENT_LIST

  1528.     $DOCUMENT_LIST

  1529.     $EXAMPLE_LIST

  1530.     $EXTERNAL_LIBRARY_LIST

  1531.     $FEATURE_LIST

  1532.     $HWACCEL_LIST

  1533.     $LICENSE_LIST

  1534.     $LIBRARY_LIST

  1535.     $PROGRAM_LIST

  1536.     $SUBSYSTEM_LIST

  1537.     fontconfig

  1538.     incompatible_libav_abi

  1539.     memalign_hack

  1540.     memory_poisoning

  1541.     neon_clobber_test

  1542.     pic

  1543.     pod2man

  1544.     raise_major

  1545.     thumb

  1546.     valgrind_backtrace

  1547.     xmm_clobber_test

  1548. "

  1549. 

  1550. THREADS_LIST="

  1551.     pthreads

  1552.     os2threads

  1553.     w32threads

  1554. "

  1555. 

  1556. ATOMICS_LIST="

  1557.     atomics_gcc

  1558.     atomics_suncc

  1559.     atomics_win32

  1560. "

  1561. 

  1562. ARCH_LIST="

  1563.     aarch64

  1564.     alpha

  1565.     arm

  1566.     avr32

  1567.     avr32_ap

  1568.     avr32_uc

  1569.     bfin

  1570.     ia64

  1571.     m68k

  1572.     mips

  1573.     mips64

  1574.     parisc

  1575.     ppc

  1576.     ppc64

  1577.     s390

  1578.     sh4

  1579.     sparc

  1580.     sparc64

  1581.     tilegx

  1582.     tilepro

  1583.     tomi

  1584.     x86

  1585.     x86_32

  1586.     x86_64

  1587. "

  1588. 

  1589. ARCH_EXT_LIST_ARM="

  1590.     armv5te

  1591.     armv6

  1592.     armv6t2

  1593.     armv8

  1594.     neon

  1595.     vfp

  1596.     vfpv3

  1597.     setend

  1598. "

  1599. 

  1600. ARCH_EXT_LIST_MIPS="

  1601.     mipsfpu

  1602.     mips32r2

  1603.     mips32r5

  1604.     mips64r6

  1605.     mipsdspr1

  1606.     mipsdspr2

  1607.     msa

  1608. "

  1609. 

  1610. ARCH_EXT_LIST_LOONGSON="

  1611.     loongson2

  1612.     loongson3

  1613.     mmi

  1614. "

  1615. 

  1616. ARCH_EXT_LIST_X86_SIMD="

  1617.     amd3dnow

  1618.     amd3dnowext

  1619.     avx

  1620.     avx2

  1621.     fma3

  1622.     fma4

  1623.     mmx

  1624.     mmxext

  1625.     sse

  1626.     sse2

  1627.     sse3

  1628.     sse4

  1629.     sse42

  1630.     ssse3

  1631.     xop

  1632. "

  1633. 

  1634. ARCH_EXT_LIST_PPC="

  1635.     altivec

  1636.     dcbzl

  1637.     ldbrx

  1638.     power8

  1639.     ppc4xx

  1640.     vsx

  1641. "

  1642. 

  1643. ARCH_EXT_LIST_X86="

  1644.     $ARCH_EXT_LIST_X86_SIMD

  1645.     cpunop

  1646.     i686

  1647. "

  1648. 

  1649. ARCH_EXT_LIST="

  1650.     $ARCH_EXT_LIST_ARM

  1651.     $ARCH_EXT_LIST_PPC

  1652.     $ARCH_EXT_LIST_X86

  1653.     $ARCH_EXT_LIST_MIPS

  1654.     $ARCH_EXT_LIST_LOONGSON

  1655. "

  1656. 

  1657. ARCH_FEATURES="

  1658.     aligned_stack

  1659.     fast_64bit

  1660.     fast_clz

  1661.     fast_cmov

  1662.     local_aligned_8

  1663.     local_aligned_16

  1664.     local_aligned_32

  1665.     simd_align_16

  1666. "

  1667. 

  1668. BUILTIN_LIST="

  1669.     atomic_cas_ptr

  1670.     atomic_compare_exchange

  1671.     machine_rw_barrier

  1672.     MemoryBarrier

  1673.     mm_empty

  1674.     rdtsc

  1675.     sarestart

  1676.     sync_val_compare_and_swap

  1677. "

  1678. HAVE_LIST_CMDLINE="

  1679.     inline_asm

  1680.     symver

  1681.     yasm

  1682. "

  1683. 

  1684. HAVE_LIST_PUB="

  1685.     bigendian

  1686.     fast_unaligned

  1687.     incompatible_libav_abi

  1688. "

  1689. 

  1690. HEADERS_LIST="

  1691.     alsa_asoundlib_h

  1692.     altivec_h

  1693.     arpa_inet_h

  1694.     asm_types_h

  1695.     cdio_paranoia_h

  1696.     cdio_paranoia_paranoia_h

  1697.     dev_bktr_ioctl_bt848_h

  1698.     dev_bktr_ioctl_meteor_h

  1699.     dev_ic_bt8xx_h

  1700.     dev_video_bktr_ioctl_bt848_h

  1701.     dev_video_meteor_ioctl_meteor_h

  1702.     direct_h

  1703.     dirent_h

  1704.     dlfcn_h

  1705.     d3d11_h

  1706.     dxva_h

  1707.     ES2_gl_h

  1708.     gsm_h

  1709.     io_h

  1710.     mach_mach_time_h

  1711.     machine_ioctl_bt848_h

  1712.     machine_ioctl_meteor_h

  1713.     malloc_h

  1714.     openjpeg_1_5_openjpeg_h

  1715.     OpenGL_gl3_h

  1716.     poll_h

  1717.     sndio_h

  1718.     soundcard_h

  1719.     sys_mman_h

  1720.     sys_param_h

  1721.     sys_resource_h

  1722.     sys_select_h

  1723.     sys_soundcard_h

  1724.     sys_time_h

  1725.     sys_un_h

  1726.     sys_videoio_h

  1727.     termios_h

  1728.     udplite_h

  1729.     unistd_h

  1730.     valgrind_valgrind_h

  1731.     windows_h

  1732.     winsock2_h

  1733. "

  1734. 

  1735. INTRINSICS_LIST="

  1736.     intrinsics_neon

  1737. "

  1738. 

  1739. MATH_FUNCS="

  1740.     atanf

  1741.     atan2f

  1742.     cbrt

  1743.     cbrtf

  1744.     copysign

  1745.     cosf

  1746.     erf

  1747.     exp2

  1748.     exp2f

  1749.     expf

  1750.     isinf

  1751.     isnan

  1752.     ldexpf

  1753.     llrint

  1754.     llrintf

  1755.     log2

  1756.     log2f

  1757.     log10f

  1758.     lrint

  1759.     lrintf

  1760.     powf

  1761.     rint

  1762.     round

  1763.     roundf

  1764.     sinf

  1765.     trunc

  1766.     truncf

  1767. "

  1768. 

  1769. SYSTEM_FUNCS="

  1770.     access

  1771.     aligned_malloc

  1772.     clock_gettime

  1773.     closesocket

  1774.     CommandLineToArgvW

  1775.     CoTaskMemFree

  1776.     CryptGenRandom

  1777.     dlopen

  1778.     fcntl

  1779.     flt_lim

  1780.     fork

  1781.     getaddrinfo

  1782.     gethrtime

  1783.     getopt

  1784.     GetProcessAffinityMask

  1785.     GetProcessMemoryInfo

  1786.     GetProcessTimes

  1787.     getrusage

  1788.     getservbyport

  1789.     GetSystemTimeAsFileTime

  1790.     gettimeofday

  1791.     glob

  1792.     glXGetProcAddress

  1793.     gmtime_r

  1794.     inet_aton

  1795.     isatty

  1796.     jack_port_get_latency_range

  1797.     kbhit

  1798.     localtime_r

  1799.     lstat

  1800.     lzo1x_999_compress

  1801.     mach_absolute_time

  1802.     MapViewOfFile

  1803.     memalign

  1804.     mkstemp

  1805.     mmap

  1806.     mprotect

  1807.     nanosleep

  1808.     PeekNamedPipe

  1809.     posix_memalign

  1810.     pthread_cancel

  1811.     sched_getaffinity

  1812.     SetConsoleTextAttribute

  1813.     SetConsoleCtrlHandler

  1814.     setmode

  1815.     setrlimit

  1816.     Sleep

  1817.     strerror_r

  1818.     sysconf

  1819.     sysctl

  1820.     usleep

  1821.     UTGetOSTypeFromString

  1822.     VirtualAlloc

  1823.     wglGetProcAddress

  1824. "

  1825. 

  1826. TOOLCHAIN_FEATURES="

  1827.     as_dn_directive

  1828.     as_func

  1829.     as_object_arch

  1830.     asm_mod_q

  1831.     attribute_may_alias

  1832.     attribute_packed

  1833.     ebp_available

  1834.     ebx_available

  1835.     gnu_as

  1836.     gnu_windres

  1837.     ibm_asm

  1838.     inline_asm_labels

  1839.     inline_asm_nonlocal_labels

  1840.     inline_asm_direct_symbol_refs

  1841.     pragma_deprecated

  1842.     rsync_contimeout

  1843.     symver_asm_label

  1844.     symver_gnu_asm

  1845.     vfp_args

  1846.     xform_asm

  1847.     xmm_clobbers

  1848. "

  1849. 

  1850. TYPES_LIST="

  1851.     CONDITION_VARIABLE_Ptr

  1852.     socklen_t

  1853.     struct_addrinfo

  1854.     struct_dcadec_exss_info_matrix_encoding

  1855.     struct_group_source_req

  1856.     struct_ip_mreq_source

  1857.     struct_ipv6_mreq

  1858.     struct_pollfd

  1859.     struct_rusage_ru_maxrss

  1860.     struct_sctp_event_subscribe

  1861.     struct_sockaddr_in6

  1862.     struct_sockaddr_sa_len

  1863.     struct_sockaddr_storage

  1864.     struct_stat_st_mtim_tv_nsec

  1865.     struct_v4l2_frmivalenum_discrete

  1866. "

  1867. 

  1868. HAVE_LIST="

  1869.     $ARCH_EXT_LIST

  1870.     $(add_suffix _external $ARCH_EXT_LIST)

  1871.     $(add_suffix _inline   $ARCH_EXT_LIST)

  1872.     $ARCH_FEATURES

  1873.     $ATOMICS_LIST

  1874.     $BUILTIN_LIST

  1875.     $HAVE_LIST_CMDLINE

  1876.     $HAVE_LIST_PUB

  1877.     $HEADERS_LIST

  1878.     $INTRINSICS_LIST

  1879.     $MATH_FUNCS

  1880.     $SYSTEM_FUNCS

  1881.     $THREADS_LIST

  1882.     $TOOLCHAIN_FEATURES

  1883.     $TYPES_LIST

  1884.     atomics_native

  1885.     dos_paths

  1886.     dxva2api_cobj

  1887.     dxva2_lib

  1888.     libc_msvcrt

  1889.     libdc1394_1

  1890.     libdc1394_2

  1891.     makeinfo

  1892.     makeinfo_html

  1893.     perl

  1894.     pod2man

  1895.     sdl

  1896.     section_data_rel_ro

  1897.     texi2html

  1898.     threads

  1899.     vaapi_x11

  1900.     vdpau_x11

  1901.     xlib

  1902. "

  1903. 

  1904. # options emitted with CONFIG_ prefix but not available on the command line

  1905. CONFIG_EXTRA="

  1906.     aandcttables

  1907.     ac3dsp

  1908.     audio_frame_queue

  1909.     audiodsp

  1910.     blockdsp

  1911.     bswapdsp

  1912.     cabac

  1913.     dvprofile

  1914.     exif

  1915.     faandct

  1916.     faanidct

  1917.     fdctdsp

  1918.     flacdsp

  1919.     fmtconvert

  1920.     frame_thread_encoder

  1921.     g722dsp

  1922.     gcrypt

  1923.     gmp

  1924.     golomb

  1925.     gplv3

  1926.     h263dsp

  1927.     h264chroma

  1928.     h264dsp

  1929.     h264pred

  1930.     h264qpel

  1931.     hpeldsp

  1932.     huffman

  1933.     huffyuvdsp

  1934.     huffyuvencdsp

  1935.     idctdsp

  1936.     iirfilter

  1937.     imdct15

  1938.     intrax8

  1939.     ividsp

  1940.     jpegtables

  1941.     libx262

  1942.     lgplv3

  1943.     llauddsp

  1944.     llviddsp

  1945.     lpc

  1946.     lzf

  1947.     me_cmp

  1948.     mpeg_er

  1949.     mpegaudio

  1950.     mpegaudiodsp

  1951.     mpegvideo

  1952.     mpegvideoenc

  1953.     mss34dsp

  1954.     pixblockdsp

  1955.     qpeldsp

  1956.     qsv

  1957.     qsvdec

  1958.     qsvenc

  1959.     rangecoder

  1960.     riffdec

  1961.     riffenc

  1962.     rtpdec

  1963.     rtpenc_chain

  1964.     rv34dsp

  1965.     sinewin

  1966.     snappy

  1967.     startcode

  1968.     texturedsp

  1969.     texturedspenc

  1970.     tpeldsp

  1971.     videodsp

  1972.     vp3dsp

  1973.     vp56dsp

  1974.     vp8dsp

  1975.     wma_freqs

  1976.     wmv2dsp

  1977. "

  1978. 

  1979. CMDLINE_SELECT="

  1980.     $ARCH_EXT_LIST

  1981.     $CONFIG_LIST

  1982.     $HAVE_LIST_CMDLINE

  1983.     $THREADS_LIST

  1984.     asm

  1985.     cross_compile

  1986.     debug

  1987.     extra_warnings

  1988.     logging

  1989.     lto

  1990.     optimizations

  1991.     rpath

  1992.     stripping

  1993. "

  1994. 

  1995. PATHS_LIST="

  1996.     bindir

  1997.     datadir

  1998.     docdir

  1999.     incdir

  2000.     libdir

  2001.     mandir

  2002.     pkgconfigdir

  2003.     prefix

  2004.     shlibdir

  2005. "

  2006. 

  2007. CMDLINE_SET="

  2008.     $PATHS_LIST

  2009.     ar

  2010.     arch

  2011.     as

  2012.     assert_level

  2013.     build_suffix

  2014.     cc

  2015.     cpu

  2016.     cross_prefix

  2017.     custom_allocator

  2018.     cxx

  2019.     dep_cc

  2020.     doxygen

  2021.     env

  2022.     extra_version

  2023.     gas

  2024.     host_cc

  2025.     host_cflags

  2026.     host_ld

  2027.     host_ldflags

  2028.     host_libs

  2029.     host_os

  2030.     install

  2031.     ld

  2032.     logfile

  2033.     malloc_prefix

  2034.     nm

  2035.     optflags

  2036.     pkg_config

  2037.     pkg_config_flags

  2038.     progs_suffix

  2039.     random_seed

  2040.     ranlib

  2041.     samples

  2042.     strip

  2043.     sws_max_filter_size

  2044.     sysinclude

  2045.     sysroot

  2046.     target_exec

  2047.     target_os

  2048.     target_path

  2049.     target_samples

  2050.     tempprefix

  2051.     toolchain

  2052.     valgrind

  2053.     yasmexe

  2054. "

  2055. 

  2056. CMDLINE_APPEND="

  2057.     extra_cflags

  2058.     extra_cxxflags

  2059.     host_cppflags

  2060. "

  2061. 

  2062. # code dependency declarations

  2063. 

  2064. # architecture extensions

  2065. 

  2066. armv5te_deps="arm"

  2067. armv6_deps="arm"

  2068. armv6t2_deps="arm"

  2069. armv8_deps="aarch64"

  2070. neon_deps_any="aarch64 arm"

  2071. intrinsics_neon_deps="neon"

  2072. vfp_deps_any="aarch64 arm"

  2073. vfpv3_deps="vfp"

  2074. setend_deps="arm"

  2075. 

  2076. map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM

  2077. 

  2078. mipsfpu_deps="mips"

  2079. mipsdspr1_deps="mips"

  2080. mipsdspr2_deps="mips"

  2081. mips32r2_deps="mips"

  2082. mips32r5_deps="mips"

  2083. mips64r6_deps="mips"

  2084. msa_deps="mips"

  2085. mmi_deps="mips"

  2086. 

  2087. altivec_deps="ppc"

  2088. dcbzl_deps="ppc"

  2089. ldbrx_deps="ppc"

  2090. ppc4xx_deps="ppc"

  2091. vsx_deps="altivec"

  2092. power8_deps="vsx"

  2093. 

  2094. cpunop_deps="i686"

  2095. x86_64_select="i686"

  2096. x86_64_suggest="fast_cmov"

  2097. 

  2098. amd3dnow_deps="mmx"

  2099. amd3dnowext_deps="amd3dnow"

  2100. i686_deps="x86"

  2101. mmx_deps="x86"

  2102. mmxext_deps="mmx"

  2103. sse_deps="mmxext"

  2104. sse2_deps="sse"

  2105. sse3_deps="sse2"

  2106. ssse3_deps="sse3"

  2107. sse4_deps="ssse3"

  2108. sse42_deps="sse4"

  2109. avx_deps="sse42"

  2110. xop_deps="avx"

  2111. fma3_deps="avx"

  2112. fma4_deps="avx"

  2113. avx2_deps="avx"

  2114. 

  2115. mmx_external_deps="yasm"

  2116. mmx_inline_deps="inline_asm"

  2117. mmx_suggest="mmx_external mmx_inline"

  2118. 

  2119. for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do

  2120.     eval dep=\$${ext}_deps

  2121.     eval ${ext}_external_deps='"${dep}_external"'

  2122.     eval ${ext}_inline_deps='"${dep}_inline"'

  2123.     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'

  2124. done

  2125. 

  2126. aligned_stack_if_any="aarch64 ppc x86"

  2127. fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"

  2128. fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"

  2129. fast_unaligned_if_any="aarch64 ppc x86"

  2130. simd_align_16_if_any="altivec neon sse"

  2131. 

  2132. # system capabilities

  2133. symver_if_any="symver_asm_label symver_gnu_asm"

  2134. valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"

  2135. 

  2136. # threading support

  2137. atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"

  2138. atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"

  2139. atomics_win32_if="MemoryBarrier"

  2140. atomics_native_if_any="$ATOMICS_LIST"

  2141. w32threads_deps="atomics_native"

  2142. threads_if_any="$THREADS_LIST"

  2143. 

  2144. # subsystems

  2145. dct_select="rdft"

  2146. error_resilience_select="me_cmp"

  2147. faandct_deps="faan fdctdsp"

  2148. faanidct_deps="faan idctdsp"

  2149. frame_thread_encoder_deps="encoders threads"

  2150. intrax8_select="error_resilience"

  2151. mdct_select="fft"

  2152. rdft_select="fft"

  2153. me_cmp_select="fdctdsp idctdsp pixblockdsp"

  2154. mpeg_er_select="error_resilience"

  2155. mpegaudio_select="mpegaudiodsp"

  2156. mpegaudiodsp_select="dct"

  2157. mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"

  2158. mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"

  2159. qsvdec_select="qsv"

  2160. qsvenc_select="qsv"

  2161. 

  2162. # decoders / encoders

  2163. aac_decoder_select="imdct15 mdct sinewin"

  2164. aac_fixed_decoder_select="mdct sinewin"

  2165. aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"

  2166. aac_latm_decoder_select="aac_decoder aac_latm_parser"

  2167. ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"

  2168. ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"

  2169. ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2170. ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2171. adpcm_g722_decoder_select="g722dsp"

  2172. adpcm_g722_encoder_select="g722dsp"

  2173. aic_decoder_select="golomb idctdsp"

  2174. alac_encoder_select="lpc"

  2175. als_decoder_select="bswapdsp"

  2176. amrnb_decoder_select="lsp"

  2177. amrwb_decoder_select="lsp"

  2178. amv_decoder_select="sp5x_decoder exif"

  2179. amv_encoder_select="aandcttables jpegtables mpegvideoenc"

  2180. ape_decoder_select="bswapdsp llauddsp"

  2181. apng_decoder_select="zlib"

  2182. apng_encoder_select="huffyuvencdsp zlib"

  2183. asv1_decoder_select="blockdsp bswapdsp idctdsp"

  2184. asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2185. asv2_decoder_select="blockdsp bswapdsp idctdsp"

  2186. asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2187. atrac1_decoder_select="mdct sinewin"

  2188. atrac3_decoder_select="mdct"

  2189. atrac3p_decoder_select="mdct sinewin"

  2190. avrn_decoder_select="exif jpegtables"

  2191. bink_decoder_select="blockdsp hpeldsp"

  2192. binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"

  2193. binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"

  2194. cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"

  2195. cllc_decoder_select="bswapdsp"

  2196. comfortnoise_encoder_select="lpc"

  2197. cook_decoder_select="audiodsp mdct sinewin"

  2198. cscd_decoder_select="lzo"

  2199. cscd_decoder_suggest="zlib"

  2200. dca_decoder_select="fmtconvert mdct"

  2201. dds_decoder_select="texturedsp"

  2202. dirac_decoder_select="dwt golomb videodsp mpegvideoenc"

  2203. dnxhd_decoder_select="blockdsp idctdsp"

  2204. dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"

  2205. dvvideo_decoder_select="dvprofile idctdsp"

  2206. dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"

  2207. dxa_decoder_select="zlib"

  2208. dxv_decoder_select="lzf texturedsp"

  2209. eac3_decoder_select="ac3_decoder"

  2210. eac3_encoder_select="ac3_encoder"

  2211. eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"

  2212. eatgq_decoder_select="aandcttables"

  2213. eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"

  2214. exr_decoder_select="zlib"

  2215. ffv1_decoder_select="golomb rangecoder"

  2216. ffv1_encoder_select="rangecoder"

  2217. ffvhuff_decoder_select="huffyuv_decoder"

  2218. ffvhuff_encoder_select="huffyuv_encoder"

  2219. fic_decoder_select="golomb"

  2220. flac_decoder_select="flacdsp golomb"

  2221. flac_encoder_select="bswapdsp flacdsp golomb lpc"

  2222. flashsv_decoder_select="zlib"

  2223. flashsv_encoder_select="zlib"

  2224. flashsv2_encoder_select="zlib"

  2225. flashsv2_decoder_select="zlib"

  2226. flv_decoder_select="h263_decoder"

  2227. flv_encoder_select="h263_encoder"

  2228. fourxm_decoder_select="blockdsp bswapdsp"

  2229. fraps_decoder_select="bswapdsp huffman"

  2230. g2m_decoder_select="blockdsp idctdsp jpegtables zlib"

  2231. g729_decoder_select="audiodsp"

  2232. h261_decoder_select="mpegvideo"

  2233. h261_encoder_select="aandcttables mpegvideoenc"

  2234. h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"

  2235. h263_encoder_select="aandcttables h263dsp mpegvideoenc"

  2236. h263i_decoder_select="h263_decoder"

  2237. h263p_decoder_select="h263_decoder"

  2238. h263p_encoder_select="h263_encoder"

  2239. h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"

  2240. h264_decoder_suggest="error_resilience"

  2241. h264_qsv_decoder_deps="libmfx"

  2242. h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"

  2243. h264_qsv_encoder_deps="libmfx"

  2244. h264_qsv_encoder_select="qsvenc"

  2245. hap_decoder_select="snappy texturedsp"

  2246. hap_encoder_deps="libsnappy"

  2247. hap_encoder_select="texturedspenc"

  2248. hevc_decoder_select="bswapdsp cabac golomb videodsp"

  2249. hevc_qsv_encoder_deps="libmfx"

  2250. hevc_qsv_decoder_deps="libmfx"

  2251. hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"

  2252. hevc_qsv_encoder_select="qsvenc"

  2253. huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"

  2254. huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"

  2255. iac_decoder_select="imc_decoder"

  2256. imc_decoder_select="bswapdsp fft mdct sinewin"

  2257. indeo3_decoder_select="hpeldsp"

  2258. indeo4_decoder_select="ividsp"

  2259. indeo5_decoder_select="ividsp"

  2260. interplay_video_decoder_select="hpeldsp"

  2261. jpegls_decoder_select="golomb mjpeg_decoder"

  2262. jpegls_encoder_select="golomb"

  2263. jv_decoder_select="blockdsp"

  2264. lagarith_decoder_select="huffyuvdsp"

  2265. ljpeg_encoder_select="aandcttables idctdsp jpegtables"

  2266. loco_decoder_select="golomb"

  2267. mdec_decoder_select="blockdsp idctdsp mpegvideo"

  2268. metasound_decoder_select="lsp mdct sinewin"

  2269. mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"

  2270. mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"

  2271. mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"

  2272. mjpegb_decoder_select="mjpeg_decoder"

  2273. mlp_decoder_select="mlp_parser"

  2274. motionpixels_decoder_select="bswapdsp"

  2275. mp1_decoder_select="mpegaudio"

  2276. mp1float_decoder_select="mpegaudio"

  2277. mp2_decoder_select="mpegaudio"

  2278. mp2float_decoder_select="mpegaudio"

  2279. mp3_decoder_select="mpegaudio"

  2280. mp3adu_decoder_select="mpegaudio"

  2281. mp3adufloat_decoder_select="mpegaudio"

  2282. mp3float_decoder_select="mpegaudio"

  2283. mp3on4_decoder_select="mpegaudio"

  2284. mp3on4float_decoder_select="mpegaudio"

  2285. mpc7_decoder_select="bswapdsp mpegaudiodsp"

  2286. mpc8_decoder_select="mpegaudiodsp"

  2287. mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"

  2288. mpeg_xvmc_decoder_select="mpeg2video_decoder"

  2289. mpegvideo_decoder_select="mpegvideo"

  2290. mpeg1video_decoder_select="mpegvideo"

  2291. mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2292. mpeg2video_decoder_select="mpegvideo"

  2293. mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2294. mpeg2_qsv_decoder_deps="libmfx"

  2295. mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"

  2296. mpeg2_qsv_encoder_deps="libmfx"

  2297. mpeg2_qsv_encoder_select="qsvenc"

  2298. mpeg4_decoder_select="h263_decoder mpeg4video_parser"

  2299. mpeg4_encoder_select="h263_encoder"

  2300. msa1_decoder_select="mss34dsp"

  2301. msmpeg4v1_decoder_select="h263_decoder"

  2302. msmpeg4v2_decoder_select="h263_decoder"

  2303. msmpeg4v2_encoder_select="h263_encoder"

  2304. msmpeg4v3_decoder_select="h263_decoder"

  2305. msmpeg4v3_encoder_select="h263_encoder"

  2306. mss2_decoder_select="vc1_decoder"

  2307. mts2_decoder_select="mss34dsp"

  2308. mxpeg_decoder_select="mjpeg_decoder"

  2309. nellymoser_decoder_select="mdct sinewin"

  2310. nellymoser_encoder_select="audio_frame_queue mdct sinewin"

  2311. nuv_decoder_select="idctdsp lzo"

  2312. on2avc_decoder_select="mdct"

  2313. opus_decoder_deps="swresample"

  2314. opus_decoder_select="imdct15"

  2315. png_decoder_select="zlib"

  2316. png_encoder_select="huffyuvencdsp zlib"

  2317. prores_decoder_select="blockdsp idctdsp"

  2318. prores_encoder_select="fdctdsp"

  2319. qcelp_decoder_select="lsp"

  2320. qdm2_decoder_select="mdct rdft mpegaudiodsp"

  2321. ra_144_encoder_select="audio_frame_queue lpc audiodsp"

  2322. ra_144_decoder_select="audiodsp"

  2323. ralf_decoder_select="golomb"

  2324. rawvideo_decoder_select="bswapdsp"

  2325. rtjpeg_decoder_select="me_cmp"

  2326. rv10_decoder_select="h263_decoder"

  2327. rv10_encoder_select="h263_encoder"

  2328. rv20_decoder_select="h263_decoder"

  2329. rv20_encoder_select="h263_encoder"

  2330. rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"

  2331. rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"

  2332. screenpresso_decoder_select="zlib"

  2333. shorten_decoder_select="golomb"

  2334. sipr_decoder_select="lsp"

  2335. snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"

  2336. snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"

  2337. sonic_decoder_select="golomb rangecoder"

  2338. sonic_encoder_select="golomb rangecoder"

  2339. sonic_ls_encoder_select="golomb rangecoder"

  2340. sp5x_decoder_select="mjpeg_decoder"

  2341. svq1_decoder_select="hpeldsp"

  2342. svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"

  2343. svq3_decoder_select="h264_decoder hpeldsp tpeldsp"

  2344. svq3_decoder_suggest="zlib"

  2345. tak_decoder_select="audiodsp"

  2346. tdsc_decoder_select="zlib mjpeg_decoder"

  2347. theora_decoder_select="vp3_decoder"

  2348. thp_decoder_select="mjpeg_decoder"

  2349. tiff_decoder_suggest="zlib lzma"

  2350. tiff_encoder_suggest="zlib"

  2351. truehd_decoder_select="mlp_parser"

  2352. truemotion2_decoder_select="bswapdsp"

  2353. truespeech_decoder_select="bswapdsp"

  2354. tscc_decoder_select="zlib"

  2355. twinvq_decoder_select="mdct lsp sinewin"

  2356. txd_decoder_select="texturedsp"

  2357. utvideo_decoder_select="bswapdsp"

  2358. utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"

  2359. vble_decoder_select="huffyuvdsp"

  2360. vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 qpeldsp startcode"

  2361. vc1image_decoder_select="vc1_decoder"

  2362. vc1_qsv_decoder_deps="libmfx"

  2363. vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel"

  2364. vorbis_decoder_select="mdct"

  2365. vorbis_encoder_select="mdct"

  2366. vp3_decoder_select="hpeldsp vp3dsp videodsp"

  2367. vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"

  2368. vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"

  2369. vp6a_decoder_select="vp6_decoder"

  2370. vp6f_decoder_select="vp6_decoder"

  2371. vp7_decoder_select="h264pred videodsp vp8dsp"

  2372. vp8_decoder_select="h264pred videodsp vp8dsp"

  2373. vp9_decoder_select="videodsp vp9_parser"

  2374. webp_decoder_select="vp8_decoder"

  2375. wmalossless_decoder_select="llauddsp"

  2376. wmapro_decoder_select="mdct sinewin wma_freqs"

  2377. wmav1_decoder_select="mdct sinewin wma_freqs"

  2378. wmav1_encoder_select="mdct sinewin wma_freqs"

  2379. wmav2_decoder_select="mdct sinewin wma_freqs"

  2380. wmav2_encoder_select="mdct sinewin wma_freqs"

  2381. wmavoice_decoder_select="lsp rdft dct mdct sinewin"

  2382. wmv1_decoder_select="h263_decoder"

  2383. wmv1_encoder_select="h263_encoder"

  2384. wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp wmv2dsp"

  2385. wmv2_encoder_select="h263_encoder wmv2dsp"

  2386. wmv3_decoder_select="vc1_decoder"

  2387. wmv3image_decoder_select="wmv3_decoder"

  2388. zerocodec_decoder_select="zlib"

  2389. zlib_decoder_select="zlib"

  2390. zlib_encoder_select="zlib"

  2391. zmbv_decoder_select="zlib"

  2392. zmbv_encoder_select="zlib"

  2393. 

  2394. # hardware accelerators

  2395. crystalhd_deps="libcrystalhd_libcrystalhd_if_h"

  2396. d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"

  2397. dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"

  2398. vaapi_deps="va_va_h"

  2399. vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"

  2400. vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"

  2401. vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"

  2402. videotoolbox_deps="VideoToolbox_VideoToolbox_h pthreads"

  2403. videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework QuartzCore"

  2404. xvmc_deps="X11_extensions_XvMClib_h"

  2405. 

  2406. h263_vaapi_hwaccel_deps="vaapi"

  2407. h263_vaapi_hwaccel_select="h263_decoder"

  2408. h263_vdpau_hwaccel_deps="vdpau"

  2409. h263_vdpau_hwaccel_select="h263_decoder"

  2410. h263_videotoolbox_hwaccel_deps="videotoolbox"

  2411. h263_videotoolbox_hwaccel_select="h263_decoder"

  2412. h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"

  2413. h264_d3d11va_hwaccel_deps="d3d11va"

  2414. h264_d3d11va_hwaccel_select="h264_decoder"

  2415. h264_dxva2_hwaccel_deps="dxva2"

  2416. h264_dxva2_hwaccel_select="h264_decoder"

  2417. h264_mmal_decoder_deps="mmal"

  2418. h264_mmal_hwaccel_deps="mmal"

  2419. h264_mmal_decoder_select="h264_decoder"

  2420. h264_mmal_encoder_deps="mmal"

  2421. h264_qsv_hwaccel_deps="libmfx"

  2422. h264_vaapi_hwaccel_deps="vaapi"

  2423. h264_vaapi_hwaccel_select="h264_decoder"

  2424. h264_vda_decoder_deps="vda"

  2425. h264_vda_decoder_select="h264_decoder"

  2426. h264_vda_hwaccel_deps="vda"

  2427. h264_vda_hwaccel_select="h264_decoder"

  2428. h264_vda_old_hwaccel_deps="vda"

  2429. h264_vda_old_hwaccel_select="h264_decoder"

  2430. h264_vdpau_decoder_deps="vdpau"

  2431. h264_vdpau_decoder_select="h264_decoder"

  2432. h264_vdpau_hwaccel_deps="vdpau"

  2433. h264_vdpau_hwaccel_select="h264_decoder"

  2434. h264_videotoolbox_hwaccel_deps="videotoolbox"

  2435. h264_videotoolbox_hwaccel_select="h264_decoder"

  2436. hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"

  2437. hevc_d3d11va_hwaccel_select="hevc_decoder"

  2438. hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"

  2439. hevc_dxva2_hwaccel_select="hevc_decoder"

  2440. hevc_qsv_hwaccel_deps="libmfx"

  2441. hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"

  2442. hevc_vaapi_hwaccel_select="hevc_decoder"

  2443. hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"

  2444. hevc_vdpau_hwaccel_select="hevc_decoder"

  2445. mpeg_vdpau_decoder_deps="vdpau"

  2446. mpeg_vdpau_decoder_select="mpeg2video_decoder"

  2447. mpeg_xvmc_hwaccel_deps="xvmc"

  2448. mpeg_xvmc_hwaccel_select="mpeg2video_decoder"

  2449. mpeg1_vdpau_decoder_deps="vdpau"

  2450. mpeg1_vdpau_decoder_select="mpeg1video_decoder"

  2451. mpeg1_vdpau_hwaccel_deps="vdpau"

  2452. mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"

  2453. mpeg1_videotoolbox_hwaccel_deps="videotoolbox"

  2454. mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"

  2455. mpeg1_xvmc_hwaccel_deps="xvmc"

  2456. mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"

  2457. mpeg2_crystalhd_decoder_select="crystalhd"

  2458. mpeg2_d3d11va_hwaccel_deps="d3d11va"

  2459. mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"

  2460. mpeg2_dxva2_hwaccel_deps="dxva2"

  2461. mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"

  2462. mpeg2_qsv_hwaccel_deps="libmfx"

  2463. mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"

  2464. mpeg2_vaapi_hwaccel_deps="vaapi"

  2465. mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"

  2466. mpeg2_vdpau_hwaccel_deps="vdpau"

  2467. mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"

  2468. mpeg2_videotoolbox_hwaccel_deps="videotoolbox"

  2469. mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"

  2470. mpeg2_xvmc_hwaccel_deps="xvmc"

  2471. mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"

  2472. mpeg4_crystalhd_decoder_select="crystalhd"

  2473. mpeg4_vaapi_hwaccel_deps="vaapi"

  2474. mpeg4_vaapi_hwaccel_select="mpeg4_decoder"

  2475. mpeg4_vdpau_decoder_deps="vdpau"

  2476. mpeg4_vdpau_decoder_select="mpeg4_decoder"

  2477. mpeg4_vdpau_hwaccel_deps="vdpau"

  2478. mpeg4_vdpau_hwaccel_select="mpeg4_decoder"

  2479. mpeg4_videotoolbox_hwaccel_deps="videotoolbox"

  2480. mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"

  2481. msmpeg4_crystalhd_decoder_select="crystalhd"

  2482. vc1_crystalhd_decoder_select="crystalhd"

  2483. vc1_d3d11va_hwaccel_deps="d3d11va"

  2484. vc1_d3d11va_hwaccel_select="vc1_decoder"

  2485. vc1_dxva2_hwaccel_deps="dxva2"

  2486. vc1_dxva2_hwaccel_select="vc1_decoder"

  2487. vc1_vaapi_hwaccel_deps="vaapi"

  2488. vc1_vaapi_hwaccel_select="vc1_decoder"

  2489. vc1_vdpau_decoder_deps="vdpau"

  2490. vc1_vdpau_decoder_select="vc1_decoder"

  2491. vc1_vdpau_hwaccel_deps="vdpau"

  2492. vc1_vdpau_hwaccel_select="vc1_decoder"

  2493. vc1_qsv_hwaccel_deps="libmfx"

  2494. vc1_qsv_hwaccel_select="qsvdec_vc1"

  2495. wmv3_crystalhd_decoder_select="crystalhd"

  2496. wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"

  2497. wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"

  2498. wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"

  2499. wmv3_vdpau_decoder_select="vc1_vdpau_decoder"

  2500. wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"

  2501. 

  2502. # parsers

  2503. h264_parser_select="h264_decoder"

  2504. hevc_parser_select="golomb"

  2505. mpegvideo_parser_select="mpegvideo"

  2506. mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"

  2507. vc1_parser_select="mpegvideo startcode vc1_decoder"

  2508. 

  2509. # bitstream_filters

  2510. mjpeg2jpeg_bsf_select="jpegtables"

  2511. 

  2512. # external libraries

  2513. chromaprint_muxer_deps="chromaprint"

  2514. libaacplus_encoder_deps="libaacplus"

  2515. libcelt_decoder_deps="libcelt"

  2516. libdcadec_decoder_deps="libdcadec"

  2517. libfaac_encoder_deps="libfaac"

  2518. libfaac_encoder_select="audio_frame_queue"

  2519. libfdk_aac_decoder_deps="libfdk_aac"

  2520. libfdk_aac_encoder_deps="libfdk_aac"

  2521. libfdk_aac_encoder_select="audio_frame_queue"

  2522. libgme_demuxer_deps="libgme"

  2523. libgsm_decoder_deps="libgsm"

  2524. libgsm_encoder_deps="libgsm"

  2525. libgsm_ms_decoder_deps="libgsm"

  2526. libgsm_ms_encoder_deps="libgsm"

  2527. libilbc_decoder_deps="libilbc"

  2528. libilbc_encoder_deps="libilbc"

  2529. libkvazaar_encoder_deps="libkvazaar"

  2530. libmodplug_demuxer_deps="libmodplug"

  2531. libmp3lame_encoder_deps="libmp3lame"

  2532. libmp3lame_encoder_select="audio_frame_queue"

  2533. libopencore_amrnb_decoder_deps="libopencore_amrnb"

  2534. libopencore_amrnb_encoder_deps="libopencore_amrnb"

  2535. libopencore_amrnb_encoder_select="audio_frame_queue"

  2536. libopencore_amrwb_decoder_deps="libopencore_amrwb"

  2537. libopenh264_encoder_deps="libopenh264"

  2538. libopenjpeg_decoder_deps="libopenjpeg"

  2539. libopenjpeg_encoder_deps="libopenjpeg"

  2540. libopus_decoder_deps="libopus"

  2541. libopus_encoder_deps="libopus"

  2542. libopus_encoder_select="audio_frame_queue"

  2543. libquvi_demuxer_deps="libquvi"

  2544. libschroedinger_decoder_deps="libschroedinger"

  2545. libschroedinger_encoder_deps="libschroedinger"

  2546. libshine_encoder_deps="libshine"

  2547. libshine_encoder_select="audio_frame_queue"

  2548. libspeex_decoder_deps="libspeex"

  2549. libspeex_encoder_deps="libspeex"

  2550. libspeex_encoder_select="audio_frame_queue"

  2551. libstagefright_h264_decoder_deps="libstagefright_h264"

  2552. libtheora_encoder_deps="libtheora"

  2553. libtwolame_encoder_deps="libtwolame"

  2554. libvo_aacenc_encoder_deps="libvo_aacenc"

  2555. libvo_aacenc_encoder_select="audio_frame_queue"

  2556. libvo_amrwbenc_encoder_deps="libvo_amrwbenc"

  2557. libvorbis_decoder_deps="libvorbis"

  2558. libvorbis_encoder_deps="libvorbis"

  2559. libvorbis_encoder_select="audio_frame_queue"

  2560. libvpx_vp8_decoder_deps="libvpx"

  2561. libvpx_vp8_encoder_deps="libvpx"

  2562. libvpx_vp9_decoder_deps="libvpx"

  2563. libvpx_vp9_encoder_deps="libvpx"

  2564. libwavpack_encoder_deps="libwavpack"

  2565. libwebp_encoder_deps="libwebp"

  2566. libwebp_anim_encoder_deps="libwebp"

  2567. libx262_encoder_deps="libx262"

  2568. libx264_encoder_deps="libx264"

  2569. libx264rgb_encoder_deps="libx264"

  2570. libx264rgb_encoder_select="libx264_encoder"

  2571. libx265_encoder_deps="libx265"

  2572. libxavs_encoder_deps="libxavs"

  2573. libxvid_encoder_deps="libxvid"

  2574. libutvideo_decoder_deps="libutvideo"

  2575. libutvideo_encoder_deps="libutvideo"

  2576. libzvbi_teletext_decoder_deps="libzvbi"

  2577. nvenc_encoder_deps="nvenc"

  2578. nvenc_h264_encoder_deps="nvenc"

  2579. nvenc_hevc_encoder_deps="nvenc"

  2580. 

  2581. # demuxers / muxers

  2582. ac3_demuxer_select="ac3_parser"

  2583. asf_demuxer_select="riffdec"

  2584. asf_o_demuxer_select="riffdec"

  2585. asf_muxer_select="riffenc"

  2586. asf_stream_muxer_select="asf_muxer"

  2587. avi_demuxer_select="riffdec exif"

  2588. avi_muxer_select="riffenc"

  2589. avisynth_demuxer_deps="avisynth"

  2590. avisynth_demuxer_select="riffdec"

  2591. caf_demuxer_select="riffdec"

  2592. dash_muxer_select="mp4_muxer"

  2593. dirac_demuxer_select="dirac_parser"

  2594. dts_demuxer_select="dca_parser"

  2595. dtshd_demuxer_select="dca_parser"

  2596. dv_demuxer_select="dvprofile"

  2597. dv_muxer_select="dvprofile"

  2598. dxa_demuxer_select="riffdec"

  2599. eac3_demuxer_select="ac3_parser"

  2600. f4v_muxer_select="mov_muxer"

  2601. flac_demuxer_select="flac_parser"

  2602. hds_muxer_select="flv_muxer"

  2603. hls_muxer_select="mpegts_muxer"

  2604. image2_alias_pix_demuxer_select="image2_demuxer"

  2605. image2_brender_pix_demuxer_select="image2_demuxer"

  2606. ipod_muxer_select="mov_muxer"

  2607. ismv_muxer_select="mov_muxer"

  2608. libnut_demuxer_deps="libnut"

  2609. libnut_muxer_deps="libnut"

  2610. matroska_audio_muxer_select="matroska_muxer"

  2611. matroska_demuxer_select="riffdec"

  2612. matroska_demuxer_suggest="bzlib lzo zlib"

  2613. matroska_muxer_select="riffenc"

  2614. mmf_muxer_select="riffenc"

  2615. mov_demuxer_select="riffdec"

  2616. mov_demuxer_suggest="zlib"

  2617. mov_muxer_select="riffenc rtpenc_chain"

  2618. mp3_demuxer_select="mpegaudio_parser"

  2619. mp4_muxer_select="mov_muxer"

  2620. mpegts_muxer_select="adts_muxer latm_muxer"

  2621. mpegtsraw_demuxer_select="mpegts_demuxer"

  2622. mxf_d10_muxer_select="mxf_muxer"

  2623. mxf_opatom_muxer_select="mxf_muxer"

  2624. nut_muxer_select="riffenc"

  2625. nuv_demuxer_select="riffdec"

  2626. oga_muxer_select="ogg_muxer"

  2627. ogg_demuxer_select="golomb"

  2628. opus_muxer_select="ogg_muxer"

  2629. psp_muxer_select="mov_muxer"

  2630. rtp_demuxer_select="sdp_demuxer"

  2631. rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"

  2632. rtsp_demuxer_select="http_protocol rtpdec"

  2633. rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"

  2634. sap_demuxer_select="sdp_demuxer"

  2635. sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"

  2636. sdp_demuxer_select="rtpdec"

  2637. smoothstreaming_muxer_select="ismv_muxer"

  2638. spdif_muxer_select="aac_parser"

  2639. spx_muxer_select="ogg_muxer"

  2640. tak_demuxer_select="tak_parser"

  2641. tg2_muxer_select="mov_muxer"

  2642. tgp_muxer_select="mov_muxer"

  2643. vobsub_demuxer_select="mpegps_demuxer"

  2644. w64_demuxer_select="wav_demuxer"

  2645. w64_muxer_select="wav_muxer"

  2646. wav_demuxer_select="riffdec"

  2647. wav_muxer_select="riffenc"

  2648. webm_muxer_select="riffenc"

  2649. wtv_demuxer_select="riffdec"

  2650. wtv_muxer_select="riffenc"

  2651. xmv_demuxer_select="riffdec"

  2652. xwma_demuxer_select="riffdec"

  2653. 

  2654. # indevs / outdevs

  2655. alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"

  2656. alsa_outdev_deps="alsa_asoundlib_h"

  2657. avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"

  2658. avfoundation_indev_select="avfoundation"

  2659. bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"

  2660. caca_outdev_deps="libcaca"

  2661. decklink_outdev_deps="decklink pthreads"

  2662. decklink_outdev_extralibs="-lstdc++"

  2663. decklink_indev_deps="decklink pthreads"

  2664. decklink_indev_extralibs="-lstdc++"

  2665. dshow_indev_deps="IBaseFilter"

  2666. dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"

  2667. dv1394_indev_deps="dv1394"

  2668. dv1394_indev_select="dv_demuxer"

  2669. fbdev_indev_deps="linux_fb_h"

  2670. fbdev_outdev_deps="linux_fb_h"

  2671. gdigrab_indev_deps="CreateDIBSection"

  2672. gdigrab_indev_extralibs="-lgdi32"

  2673. gdigrab_indev_select="bmp_decoder"

  2674. iec61883_indev_deps="libiec61883"

  2675. jack_indev_deps="jack_jack_h sem_timedwait"

  2676. lavfi_indev_deps="avfilter"

  2677. libcdio_indev_deps="libcdio"

  2678. libdc1394_indev_deps="libdc1394"

  2679. libv4l2_indev_deps="libv4l2"

  2680. openal_indev_deps="openal"

  2681. opengl_outdev_deps="opengl"

  2682. oss_indev_deps_any="soundcard_h sys_soundcard_h"

  2683. oss_outdev_deps_any="soundcard_h sys_soundcard_h"

  2684. pulse_indev_deps="libpulse"

  2685. pulse_outdev_deps="libpulse"

  2686. qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"

  2687. qtkit_indev_select="qtkit"

  2688. sdl_outdev_deps="sdl"

  2689. sndio_indev_deps="sndio_h"

  2690. sndio_outdev_deps="sndio_h"

  2691. v4l_indev_deps="linux_videodev_h"

  2692. v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"

  2693. v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"

  2694. vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"

  2695. vfwcap_indev_extralibs="-lavicap32"

  2696. xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"

  2697. xv_outdev_extralibs="-lXv -lX11 -lXext"

  2698. x11grab_indev_deps="x11grab"

  2699. x11grab_xcb_indev_deps="libxcb"

  2700. 

  2701. # protocols

  2702. async_protocol_deps="threads"

  2703. bluray_protocol_deps="libbluray"

  2704. ffrtmpcrypt_protocol_deps="!librtmp_protocol"

  2705. ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"

  2706. ffrtmpcrypt_protocol_select="tcp_protocol"

  2707. ffrtmphttp_protocol_deps="!librtmp_protocol"

  2708. ffrtmphttp_protocol_select="http_protocol"

  2709. ftp_protocol_select="tcp_protocol"

  2710. gopher_protocol_select="network"

  2711. http_protocol_select="tcp_protocol"

  2712. httpproxy_protocol_select="tcp_protocol"

  2713. https_protocol_select="tls_protocol"

  2714. icecast_protocol_select="http_protocol"

  2715. librtmp_protocol_deps="librtmp"

  2716. librtmpe_protocol_deps="librtmp"

  2717. librtmps_protocol_deps="librtmp"

  2718. librtmpt_protocol_deps="librtmp"

  2719. librtmpte_protocol_deps="librtmp"

  2720. libsmbclient_protocol_deps="libsmbclient gplv3"

  2721. libssh_protocol_deps="libssh"

  2722. mmsh_protocol_select="http_protocol"

  2723. mmst_protocol_select="network"

  2724. rtmp_protocol_deps="!librtmp_protocol"

  2725. rtmp_protocol_select="tcp_protocol"

  2726. rtmpe_protocol_select="ffrtmpcrypt_protocol"

  2727. rtmps_protocol_deps="!librtmp_protocol"

  2728. rtmps_protocol_select="tls_protocol"

  2729. rtmpt_protocol_select="ffrtmphttp_protocol"

  2730. rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"

  2731. rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"

  2732. rtp_protocol_select="udp_protocol"

  2733. sctp_protocol_deps="struct_sctp_event_subscribe"

  2734. sctp_protocol_select="network"

  2735. srtp_protocol_select="rtp_protocol"

  2736. tcp_protocol_select="network"

  2737. tls_gnutls_protocol_deps="gnutls !tls_securetransport_protocol"

  2738. tls_gnutls_protocol_select="tcp_protocol"

  2739. tls_openssl_protocol_deps="openssl !tls_securetransport_protocol !tls_gnutls_protocol"

  2740. tls_openssl_protocol_select="tcp_protocol"

  2741. tls_securetransport_protocol_deps="securetransport"

  2742. tls_securetransport_protocol_select="tcp_protocol"

  2743. tls_protocol_deps_any="tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"

  2744. udp_protocol_select="network"

  2745. udplite_protocol_select="network"

  2746. unix_protocol_deps="sys_un_h"

  2747. unix_protocol_select="network"

  2748. 

  2749. # filters

  2750. amovie_filter_deps="avcodec avformat"

  2751. aresample_filter_deps="swresample"

  2752. ass_filter_deps="libass"

  2753. asyncts_filter_deps="avresample"

  2754. atempo_filter_deps="avcodec"

  2755. atempo_filter_select="rdft"

  2756. azmq_filter_deps="libzmq"

  2757. blackframe_filter_deps="gpl"

  2758. boxblur_filter_deps="gpl"

  2759. bs2b_filter_deps="libbs2b"

  2760. colormatrix_filter_deps="gpl"

  2761. cover_rect_filter_deps="avcodec avformat gpl"

  2762. cropdetect_filter_deps="gpl"

  2763. delogo_filter_deps="gpl"

  2764. deshake_filter_select="pixelutils"

  2765. drawtext_filter_deps="libfreetype"

  2766. dynaudnorm_filter_deps="copysign erf"

  2767. ebur128_filter_deps="gpl"

  2768. eq_filter_deps="gpl"

  2769. fftfilt_filter_deps="avcodec"

  2770. fftfilt_filter_select="rdft"

  2771. flite_filter_deps="libflite"

  2772. find_rect_filter_deps="avcodec avformat gpl"

  2773. frei0r_filter_deps="frei0r dlopen"

  2774. frei0r_src_filter_deps="frei0r dlopen"

  2775. fspp_filter_deps="gpl"

  2776. geq_filter_deps="gpl"

  2777. histeq_filter_deps="gpl"

  2778. hqdn3d_filter_deps="gpl"

  2779. interlace_filter_deps="gpl"

  2780. kerndeint_filter_deps="gpl"

  2781. ladspa_filter_deps="ladspa dlopen"

  2782. mcdeint_filter_deps="avcodec gpl"

  2783. movie_filter_deps="avcodec avformat"

  2784. mpdecimate_filter_deps="gpl"

  2785. mpdecimate_filter_select="pixelutils"

  2786. mptestsrc_filter_deps="gpl"

  2787. negate_filter_deps="lut_filter"

  2788. perspective_filter_deps="gpl"

  2789. pp7_filter_deps="gpl"

  2790. ocr_filter_deps="libtesseract"

  2791. ocv_filter_deps="libopencv"

  2792. owdenoise_filter_deps="gpl"

  2793. pan_filter_deps="swresample"

  2794. phase_filter_deps="gpl"

  2795. pp_filter_deps="gpl postproc"

  2796. pullup_filter_deps="gpl"

  2797. removelogo_filter_deps="avcodec avformat swscale"

  2798. repeatfields_filter_deps="gpl"

  2799. resample_filter_deps="avresample"

  2800. rubberband_filter_deps="librubberband"

  2801. sab_filter_deps="gpl swscale"

  2802. scale_filter_deps="swscale"

  2803. scale2ref_filter_deps="swscale"

  2804. select_filter_select="pixelutils"

  2805. smartblur_filter_deps="gpl swscale"

  2806. showcqt_filter_deps="avcodec"

  2807. showcqt_filter_select="fft"

  2808. showfreqs_filter_deps="avcodec"

  2809. showfreqs_filter_select="fft"

  2810. showspectrum_filter_deps="avcodec"

  2811. showspectrum_filter_select="rdft"

  2812. spp_filter_deps="gpl avcodec"

  2813. spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"

  2814. stereo3d_filter_deps="gpl"

  2815. subtitles_filter_deps="avformat avcodec libass"

  2816. super2xsai_filter_deps="gpl"

  2817. tinterlace_filter_deps="gpl"

  2818. vidstabdetect_filter_deps="libvidstab"

  2819. vidstabtransform_filter_deps="libvidstab"

  2820. pixfmts_super2xsai_test_deps="super2xsai_filter"

  2821. tinterlace_merge_test_deps="tinterlace_filter"

  2822. tinterlace_pad_test_deps="tinterlace_filter"

  2823. uspp_filter_deps="gpl avcodec"

  2824. zmq_filter_deps="libzmq"

  2825. zoompan_filter_deps="swscale"

  2826. 

  2827. # examples

  2828. avio_reading="avformat avcodec avutil"

  2829. avio_dir_cmd="avformat avutil"

  2830. avcodec_example_deps="avcodec avutil"

  2831. decoding_encoding_example_deps="avcodec avformat avutil"

  2832. demuxing_decoding_example_deps="avcodec avformat avutil"

  2833. extract_mvs_example_deps="avcodec avformat avutil"

  2834. filter_audio_example_deps="avfilter avutil"

  2835. filtering_audio_example_deps="avfilter avcodec avformat avutil"

  2836. filtering_video_example_deps="avfilter avcodec avformat avutil"

  2837. metadata_example_deps="avformat avutil"

  2838. muxing_example_deps="avcodec avformat avutil swscale"

  2839. qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"

  2840. remuxing_example_deps="avcodec avformat avutil"

  2841. resampling_audio_example_deps="avutil swresample"

  2842. scaling_video_example_deps="avutil swscale"

  2843. transcode_aac_example_deps="avcodec avformat swresample"

  2844. transcoding_example_deps="avfilter avcodec avformat avutil"

  2845. 

  2846. # libraries, in linking order

  2847. avcodec_deps="avutil"

  2848. avdevice_deps="avformat avcodec avutil"

  2849. avfilter_deps="avutil"

  2850. avformat_deps="avcodec avutil"

  2851. avresample_deps="avutil"

  2852. postproc_deps="avutil gpl"

  2853. swresample_deps="avutil"

  2854. swscale_deps="avutil"

  2855. 

  2856. # programs

  2857. ffmpeg_deps="avcodec avfilter avformat swresample"

  2858. ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter

  2859.                null_filter

  2860.                setpts_filter trim_filter"

  2861. ffplay_deps="avcodec avformat swscale swresample sdl"

  2862. ffplay_libs='$sdl_libs'

  2863. ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"

  2864. ffprobe_deps="avcodec avformat"

  2865. ffserver_deps="avformat fork sarestart"

  2866. ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"

  2867. 

  2868. # documentation

  2869. podpages_deps="perl"

  2870. manpages_deps="perl pod2man"

  2871. htmlpages_deps="perl"

  2872. htmlpages_deps_any="makeinfo_html texi2html"

  2873. txtpages_deps="perl makeinfo"

  2874. doc_deps_any="manpages htmlpages podpages txtpages"

  2875. 

  2876. # default parameters

  2877. 

  2878. logfile="config.log"

  2879. 

  2880. # installation paths

  2881. prefix_default="/usr/local"

  2882. bindir_default='${prefix}/bin'

  2883. datadir_default='${prefix}/share/ffmpeg'

  2884. docdir_default='${prefix}/share/doc/ffmpeg'

  2885. incdir_default='${prefix}/include'

  2886. libdir_default='${prefix}/lib'

  2887. mandir_default='${prefix}/share/man'

  2888. 

  2889. # toolchain

  2890. ar_default="ar"

  2891. cc_default="gcc"

  2892. cxx_default="g++"

  2893. host_cc_default="gcc"

  2894. cp_f="cp -f"

  2895. doxygen_default="doxygen"

  2896. install="install"

  2897. ln_s="ln -s -f"

  2898. nm_default="nm -g"

  2899. objformat="elf"

  2900. pkg_config_default=pkg-config

  2901. ranlib_default="ranlib"

  2902. strip_default="strip"

  2903. yasmexe_default="yasm"

  2904. windres_default="windres"

  2905. 

  2906. # OS

  2907. target_os_default=$(tolower $(uname -s))

  2908. host_os=$target_os_default

  2909. 

  2910. # machine

  2911. if test "$target_os_default" = aix; then

  2912.     arch_default=$(uname -p)

  2913.     strip_default="strip -X32_64"

  2914. else

  2915.     arch_default=$(uname -m)

  2916. fi

  2917. cpu="generic"

  2918. intrinsics="none"

  2919. 

  2920. # configurable options

  2921. enable $PROGRAM_LIST

  2922. enable $DOCUMENT_LIST

  2923. enable $EXAMPLE_LIST

  2924. enable $(filter_out avresample $LIBRARY_LIST)

  2925. enable stripping

  2926. 

  2927. enable asm

  2928. enable debug

  2929. enable doc

  2930. enable faan faandct faanidct

  2931. enable optimizations

  2932. enable runtime_cpudetect

  2933. enable safe_bitstream_reader

  2934. enable static

  2935. enable swscale_alpha

  2936. enable valgrind_backtrace

  2937. 

  2938. sws_max_filter_size_default=256

  2939. set_default sws_max_filter_size

  2940. 

  2941. # Enable hwaccels by default.

  2942. enable d3d11va dxva2 vaapi vda vdpau videotoolbox xvmc

  2943. enable xlib

  2944. 

  2945. # build settings

  2946. SHFLAGS='-shared -Wl,-soname,$$(@F)'

  2947. LIBPREF="lib"

  2948. LIBSUF=".a"

  2949. FULLNAME='$(NAME)$(BUILDSUF)'

  2950. LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'

  2951. SLIBPREF="lib"

  2952. SLIBSUF=".so"

  2953. SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'

  2954. SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'

  2955. SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'

  2956. LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'

  2957. SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'

  2958. SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'

  2959. 

  2960. asflags_filter=echo

  2961. cflags_filter=echo

  2962. ldflags_filter=echo

  2963. 

  2964. AS_C='-c'

  2965. AS_O='-o $@'

  2966. CC_C='-c'

  2967. CC_E='-E -o $@'

  2968. CC_O='-o $@'

  2969. CXX_C='-c'

  2970. CXX_O='-o $@'

  2971. LD_O='-o $@'

  2972. LD_LIB='-l%'

  2973. LD_PATH='-L'

  2974. HOSTCC_C='-c'

  2975. HOSTCC_E='-E -o $@'

  2976. HOSTCC_O='-o $@'

  2977. HOSTLD_O='-o $@'

  2978. 

  2979. host_libs='-lm'

  2980. host_cflags_filter=echo

  2981. host_ldflags_filter=echo

  2982. 

  2983. target_path='$(CURDIR)'

  2984. 

  2985. # since the object filename is not given with the -MM flag, the compiler

  2986. # is only able to print the basename, and we must add the path ourselves

  2987. DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'

  2988. DEPFLAGS='-MM'

  2989. 

  2990. # find source path

  2991. if test -f configure; then

  2992.     source_path=.

  2993. else

  2994.     source_path=$(cd $(dirname "$0"); pwd)

  2995.     case "$source_path" in

  2996.         *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;

  2997.     esac

  2998.     test -e "$source_path/config.h" &&

  2999.         die "Out of tree builds are impossible with config.h in source dir."

  3000. fi

  3001. 

  3002. for v in "$@"; do

  3003.     r=${v#*=}

  3004.     l=${v%"$r"}

  3005.     r=$(sh_quote "$r")

  3006.     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"

  3007. done

  3008. 

  3009. find_things(){

  3010.     thing=$1

  3011.     pattern=$2

  3012.     file=$source_path/$3

  3013.     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"

  3014. }

  3015. 

  3016. ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)

  3017. DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)

  3018. HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)

  3019. PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)

  3020. BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)

  3021. MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)

  3022. DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)

  3023. OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)

  3024. INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)

  3025. PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)

  3026. FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)

  3027. 

  3028. ALL_COMPONENTS="

  3029.     $BSF_LIST

  3030.     $DECODER_LIST

  3031.     $DEMUXER_LIST

  3032.     $ENCODER_LIST

  3033.     $FILTER_LIST

  3034.     $HWACCEL_LIST

  3035.     $INDEV_LIST

  3036.     $MUXER_LIST

  3037.     $OUTDEV_LIST

  3038.     $PARSER_LIST

  3039.     $PROTOCOL_LIST

  3040. "

  3041. 

  3042. for n in $COMPONENT_LIST; do

  3043.     v=$(toupper ${n%s})_LIST

  3044.     eval enable \$$v

  3045.     eval ${n}_if_any="\$$v"

  3046. done

  3047. 

  3048. enable $ARCH_EXT_LIST

  3049. 

  3050. die_unknown(){

  3051.     echo "Unknown option \"$1\"."

  3052.     echo "See $0 --help for available options."

  3053.     exit 1

  3054. }

  3055. 

  3056. print_in_columns() {

  3057.     cols=$(expr $ncols / 24)

  3058.     cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t

  3059. }

  3060. 

  3061. show_list() {

  3062.     suffix=_$1

  3063.     shift

  3064.     echo $* | sed s/$suffix//g | print_in_columns

  3065.     exit 0

  3066. }

  3067. 

  3068. rand_list(){

  3069.     IFS=', '

  3070.     set -- $*

  3071.     unset IFS

  3072.     for thing; do

  3073.         comp=${thing%:*}

  3074.         prob=${thing#$comp}

  3075.         prob=${prob#:}

  3076.         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST

  3077.         echo "prob ${prob:-0.5}"

  3078.         printf '%s\n' $comp

  3079.     done

  3080. }

  3081. 

  3082. do_random(){

  3083.     action=$1

  3084.     shift

  3085.     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")

  3086.     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")

  3087. }

  3088. 

  3089. for opt do

  3090.     optval="${opt#*=}"

  3091.     case "$opt" in

  3092.         --extra-ldflags=*)

  3093.             add_ldflags $optval

  3094.         ;;

  3095.         --extra-ldexeflags=*)

  3096.             add_ldexeflags $optval

  3097.         ;;

  3098.         --extra-ldlibflags=*)

  3099.             add_ldlibflags $optval

  3100.         ;;

  3101.         --extra-libs=*)

  3102.             add_extralibs $optval

  3103.         ;;

  3104.         --disable-devices)

  3105.             disable $INDEV_LIST $OUTDEV_LIST

  3106.         ;;

  3107.         --enable-debug=*)

  3108.             debuglevel="$optval"

  3109.         ;;

  3110.         --disable-programs)

  3111.             disable $PROGRAM_LIST

  3112.         ;;

  3113.         --disable-everything)

  3114.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3115.         ;;

  3116.         --disable-all)

  3117.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3118.             disable $LIBRARY_LIST $PROGRAM_LIST doc

  3119.         ;;

  3120.         --enable-random|--disable-random)

  3121.             action=${opt%%-random}

  3122.             do_random ${action#--} $COMPONENT_LIST

  3123.         ;;

  3124.         --enable-random=*|--disable-random=*)

  3125.             action=${opt%%-random=*}

  3126.             do_random ${action#--} $optval

  3127.         ;;

  3128.         --enable-*=*|--disable-*=*)

  3129.             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')

  3130.             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"

  3131.             eval list=\$$(toupper $thing)_LIST

  3132.             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}

  3133.             list=$(filter "$name" $list)

  3134.             [ "$list" = "" ] && warn "Option $opt did not match anything"

  3135.             $action $list

  3136.         ;;

  3137.         --enable-?*|--disable-?*)

  3138.             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')

  3139.             if is_in $option $COMPONENT_LIST; then

  3140.                 test $action = disable && action=unset

  3141.                 eval $action \$$(toupper ${option%s})_LIST

  3142.             elif is_in $option $CMDLINE_SELECT; then

  3143.                 $action $option

  3144.             else

  3145.                 die_unknown $opt

  3146.             fi

  3147.         ;;

  3148.         --list-*)

  3149.             NAME="${opt#--list-}"

  3150.             is_in $NAME $COMPONENT_LIST || die_unknown $opt

  3151.             NAME=${NAME%s}

  3152.             eval show_list $NAME \$$(toupper $NAME)_LIST

  3153.         ;;

  3154.         --help|-h) show_help

  3155.         ;;

  3156.         --fatal-warnings) enable fatal_warnings

  3157.         ;;

  3158.         *)

  3159.             optname="${opt%%=*}"

  3160.             optname="${optname#--}"

  3161.             optname=$(echo "$optname" | sed 's/-/_/g')

  3162.             if is_in $optname $CMDLINE_SET; then

  3163.                 eval $optname='$optval'

  3164.             elif is_in $optname $CMDLINE_APPEND; then

  3165.                 append $optname "$optval"

  3166.             else

  3167.                 die_unknown $opt

  3168.             fi

  3169.         ;;

  3170.     esac

  3171. done

  3172. 

  3173. for e in $env; do

  3174.     eval "export $e"

  3175. done

  3176. 

  3177. disabled logging && logfile=/dev/null

  3178. 

  3179. echo "# $0 $FFMPEG_CONFIGURATION" > $logfile

  3180. set >> $logfile

  3181. 

  3182. test -n "$valgrind" && toolchain="valgrind-memcheck"

  3183. 

  3184. case "$toolchain" in

  3185.     clang-asan)

  3186.         cc_default="clang"

  3187.         add_cflags  -fsanitize=address

  3188.         add_ldflags -fsanitize=address

  3189.     ;;

  3190.     clang-tsan)

  3191.         cc_default="clang"

  3192.         add_cflags  -fsanitize=thread -pie

  3193.         add_ldflags -fsanitize=thread -pie

  3194.     ;;

  3195.     clang-usan)

  3196.         cc_default="clang"

  3197.         add_cflags  -fsanitize=undefined

  3198.         add_ldflags -fsanitize=undefined

  3199.     ;;

  3200.     gcc-asan)

  3201.         cc_default="gcc"

  3202.         add_cflags  -fsanitize=address

  3203.         add_ldflags -fsanitize=address

  3204.     ;;

  3205.     gcc-tsan)

  3206.         cc_default="gcc"

  3207.         add_cflags  -fsanitize=thread -pie -fPIC

  3208.         add_ldflags -fsanitize=thread -pie -fPIC

  3209.     ;;

  3210.     gcc-usan)

  3211.         cc_default="gcc"

  3212.         add_cflags  -fsanitize=undefined

  3213.         add_ldflags -fsanitize=undefined

  3214.     ;;

  3215.     valgrind-massif)

  3216.         target_exec_default=${valgrind:-"valgrind"}

  3217.         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"

  3218.     ;;

  3219.     valgrind-memcheck)

  3220.         target_exec_default=${valgrind:-"valgrind"}

  3221.         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"

  3222.     ;;

  3223.     msvc)

  3224.         # Check whether the current MSVC version needs the C99 converter.

  3225.         # From MSVC 2013 (compiler major version 18) onwards, it does actually

  3226.         # support enough of C99 to build ffmpeg. Default to the new

  3227.         # behaviour if the regexp was unable to match anything, since this

  3228.         # successfully parses the version number of existing supported

  3229.         # versions that require the converter (MSVC 2010 and 2012).

  3230.         cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')

  3231.         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then

  3232.             cc_default="cl"

  3233.         else

  3234.             cc_default="c99wrap cl"

  3235.         fi

  3236.         ld_default="$source_path/compat/windows/mslink"

  3237.         nm_default="dumpbin -symbols"

  3238.         ar_default="lib"

  3239.         case "$arch" in

  3240.         arm*)

  3241.             as_default="armasm"

  3242.             ;;

  3243.         esac

  3244.         target_os_default="win32"

  3245.         # Use a relative path for TMPDIR. This makes sure all the

  3246.         # ffconf temp files are written with a relative path, avoiding

  3247.         # issues with msys/win32 path conversion for MSVC parameters

  3248.         # such as -Fo<file> or -out:<file>.

  3249.         TMPDIR=.

  3250.     ;;

  3251.     icl)

  3252.         cc_default="icl"

  3253.         ld_default="xilink"

  3254.         nm_default="dumpbin -symbols"

  3255.         ar_default="xilib"

  3256.         target_os_default="win32"

  3257.         TMPDIR=.

  3258.     ;;

  3259.     gcov)

  3260.         add_cflags  -fprofile-arcs -ftest-coverage

  3261.         add_ldflags -fprofile-arcs -ftest-coverage

  3262.     ;;

  3263.     hardened)

  3264.         add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2

  3265.         add_cflags   -fno-strict-overflow -fstack-protector-all

  3266.         add_ldflags  -Wl,-z,relro -Wl,-z,now

  3267.     ;;

  3268.     ?*)

  3269.         die "Unknown toolchain $toolchain"

  3270.     ;;

  3271. esac

  3272. 

  3273. test -n "$cross_prefix" && enable cross_compile

  3274. 

  3275. if enabled cross_compile; then

  3276.     test -n "$arch" && test -n "$target_os" ||

  3277.         die "Must specify target arch and OS when cross-compiling"

  3278. fi

  3279. 

  3280. ar_default="${cross_prefix}${ar_default}"

  3281. cc_default="${cross_prefix}${cc_default}"

  3282. cxx_default="${cross_prefix}${cxx_default}"

  3283. nm_default="${cross_prefix}${nm_default}"

  3284. pkg_config_default="${cross_prefix}${pkg_config_default}"

  3285. if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then

  3286.     ranlib_default="${cross_prefix}${ranlib_default} -D"

  3287. else

  3288.     ranlib_default="${cross_prefix}${ranlib_default}"

  3289. fi

  3290. strip_default="${cross_prefix}${strip_default}"

  3291. windres_default="${cross_prefix}${windres_default}"

  3292. 

  3293. sysinclude_default="${sysroot}/usr/include"

  3294. 

  3295. set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \

  3296.     target_exec target_os yasmexe

  3297. enabled cross_compile || host_cc_default=$cc

  3298. set_default host_cc

  3299. 

  3300. pkg_config_fail_message=""

  3301. if ! $pkg_config --version >/dev/null 2>&1; then

  3302.     warn "$pkg_config not found, library detection may fail."

  3303.     pkg_config=false

  3304. elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then

  3305.     pkg_config_fail_message="

  3306. Note: When building a static binary, add --pkg-config-flags=\"--static\"."

  3307. fi

  3308. 

  3309. if test $doxygen != $doxygen_default && \

  3310.   ! $doxygen --version >/dev/null 2>&1; then

  3311.     warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."

  3312. fi

  3313. 

  3314. exesuf() {

  3315.     case $1 in

  3316.         mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;

  3317.     esac

  3318. }

  3319. 

  3320. EXESUF=$(exesuf $target_os)

  3321. HOSTEXESUF=$(exesuf $host_os)

  3322. 

  3323. # set temporary file name

  3324. : ${TMPDIR:=$TEMPDIR}

  3325. : ${TMPDIR:=$TMP}

  3326. : ${TMPDIR:=/tmp}

  3327. 

  3328. if [ -n "$tempprefix" ] ; then

  3329.     mktemp(){

  3330.         echo $tempprefix.${HOSTNAME}.${UID}

  3331.     }

  3332. elif ! check_cmd mktemp -u XXXXXX; then

  3333.     # simple replacement for missing mktemp

  3334.     # NOT SAFE FOR GENERAL USE

  3335.     mktemp(){

  3336.         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"

  3337.     }

  3338. fi

  3339. 

  3340. tmpfile(){

  3341.     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&

  3342.         (set -C; exec > $tmp) 2>/dev/null ||

  3343.         die "Unable to create temporary file in $TMPDIR."

  3344.     append TMPFILES $tmp

  3345.     eval $1=$tmp

  3346. }

  3347. 

  3348. trap 'rm -f -- $TMPFILES' EXIT

  3349. 

  3350. tmpfile TMPASM .asm

  3351. tmpfile TMPC   .c

  3352. tmpfile TMPCPP .cpp

  3353. tmpfile TMPE   $EXESUF

  3354. tmpfile TMPH   .h

  3355. tmpfile TMPM   .m

  3356. tmpfile TMPO   .o

  3357. tmpfile TMPS   .S

  3358. tmpfile TMPSH  .sh

  3359. tmpfile TMPV   .ver

  3360. 

  3361. unset -f mktemp

  3362. 

  3363. chmod +x $TMPE

  3364. 

  3365. # make sure we can execute files in $TMPDIR

  3366. cat > $TMPSH 2>> $logfile <<EOF

  3367. #! /bin/sh

  3368. EOF

  3369. chmod +x $TMPSH >> $logfile 2>&1

  3370. if ! $TMPSH >> $logfile 2>&1; then

  3371.     cat <<EOF

  3372. Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment

  3373. variable to another directory and make sure that it is not mounted noexec.

  3374. EOF

  3375.     die "Sanity test failed."

  3376. fi

  3377. 

  3378. armasm_flags(){

  3379.     for flag; do

  3380.         case $flag in

  3381.             # Filter out MSVC cl.exe options from cflags that shouldn't

  3382.             # be passed to gas-preprocessor

  3383.             -M[TD]*)                                            ;;

  3384.             *)                  echo $flag                      ;;

  3385.         esac

  3386.    done

  3387. }

  3388. 

  3389. ccc_flags(){

  3390.     for flag; do

  3391.         case $flag in

  3392.             -std=c99)           echo -c99                       ;;

  3393.             -mcpu=*)            echo -arch ${flag#*=}           ;;

  3394.             -mieee)             echo -ieee                      ;;

  3395.             -O*|-fast)          echo $flag                      ;;

  3396.             -fno-math-errno)    echo -assume nomath_errno       ;;

  3397.             -g)                 echo -g3                        ;;

  3398.             -Wall)              echo -msg_enable level2         ;;

  3399.             -Wno-pointer-sign)  echo -msg_disable ptrmismatch1  ;;

  3400.             -Wl,*)              echo $flag                      ;;

  3401.             -f*|-W*)                                            ;;

  3402.             *)                  echo $flag                      ;;

  3403.         esac

  3404.    done

  3405. }

  3406. 

  3407. cparser_flags(){

  3408.     for flag; do

  3409.         case $flag in

  3410.             -Wno-switch)             echo -Wno-switch-enum ;;

  3411.             -Wno-format-zero-length) ;;

  3412.             -Wdisabled-optimization) ;;

  3413.             -Wno-pointer-sign)       echo -Wno-other ;;

  3414.             *)                       echo $flag ;;

  3415.         esac

  3416.     done

  3417. }

  3418. 

  3419. msvc_common_flags(){

  3420.     for flag; do

  3421.         case $flag in

  3422.             # In addition to specifying certain flags under the compiler

  3423.             # specific filters, they must be specified here as well or else the

  3424.             # generic catch all at the bottom will print the original flag.

  3425.             -Wall)                ;;

  3426.             -std=c99)             ;;

  3427.             # Common flags

  3428.             -fomit-frame-pointer) ;;

  3429.             -g)                   echo -Z7 ;;

  3430.             -fno-math-errno)      ;;

  3431.             -fno-common)          ;;

  3432.             -fno-signed-zeros)    ;;

  3433.             -fPIC)                ;;

  3434.             -mthumb)              ;;

  3435.             -march=*)             ;;

  3436.             -lz)                  echo zlib.lib ;;

  3437.             -lavifil32)           echo vfw32.lib ;;

  3438.             -lavicap32)           echo vfw32.lib user32.lib ;;

  3439.             -l*)                  echo ${flag#-l}.lib ;;

  3440.             -LARGEADDRESSAWARE)   echo $flag ;;

  3441.             -L*)                  echo -libpath:${flag#-L} ;;

  3442.             *)                    echo $flag ;;

  3443.         esac

  3444.     done

  3445. }

  3446. 

  3447. msvc_flags(){

  3448.     msvc_common_flags "$@"

  3449.     for flag; do

  3450.         case $flag in

  3451.             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389     \

  3452.                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \

  3453.                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \

  3454.                                        -wd4307 \

  3455.                                        -wd4273 -wd4554 -wd4701 ;;

  3456.         esac

  3457.     done

  3458. }

  3459. 

  3460. icl_flags(){

  3461.     msvc_common_flags "$@"

  3462.     for flag; do

  3463.         case $flag in

  3464.             # Despite what Intel's documentation says -Wall, which is supported

  3465.             # on Windows, does enable remarks so disable them here.

  3466.             -Wall)                echo $flag -Qdiag-disable:remark ;;

  3467.             -std=c99)             echo -Qstd=c99 ;;

  3468.             -flto)                echo -ipo ;;

  3469.         esac

  3470.     done

  3471. }

  3472. 

  3473. icc_flags(){

  3474.     for flag; do

  3475.         case $flag in

  3476.             -flto)                echo -ipo ;;

  3477.             *)                    echo $flag ;;

  3478.         esac

  3479.     done

  3480. }

  3481. 

  3482. pgi_flags(){

  3483.     for flag; do

  3484.         case $flag in

  3485.             -flto)                echo -Mipa=fast,libopt,libinline,vestigial ;;

  3486.             -fomit-frame-pointer) echo -Mnoframe ;;

  3487.             -g)                   echo -gopt ;;

  3488.             *)                    echo $flag ;;

  3489.         esac

  3490.     done

  3491. }

  3492. 

  3493. suncc_flags(){

  3494.     for flag; do

  3495.         case $flag in

  3496.             -march=*|-mcpu=*)

  3497.                 case "${flag#*=}" in

  3498.                     native)                   echo -xtarget=native       ;;

  3499.                     v9|niagara)               echo -xarch=sparc          ;;

  3500.                     ultrasparc)               echo -xarch=sparcvis       ;;

  3501.                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;

  3502.                     i586|pentium)             echo -xchip=pentium        ;;

  3503.                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;

  3504.                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;

  3505.                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;

  3506.                     pentium4*)          echo -xtarget=pentium4           ;;

  3507.                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;

  3508.                     *-sse3)             echo -xarch=sse3                 ;;

  3509.                     core2)              echo -xarch=ssse3 -xchip=core2   ;;

  3510.                     bonnell)                   echo -xarch=ssse3         ;;

  3511.                     corei7|nehalem)            echo -xtarget=nehalem     ;;

  3512.                     westmere)                  echo -xtarget=westmere    ;;

  3513.                     silvermont)                echo -xarch=sse4_2        ;;

  3514.                     corei7-avx|sandybridge)    echo -xtarget=sandybridge ;;

  3515.                     core-avx*|ivybridge|haswell|broadwell)

  3516.                                                echo -xarch=avx           ;;

  3517.                     amdfam10|barcelona)        echo -xtarget=barcelona   ;;

  3518.                     btver1)                    echo -xarch=amdsse4a      ;;

  3519.                     btver2|bdver*)             echo -xarch=avx           ;;

  3520.                     athlon-4|athlon-[mx]p)     echo -xarch=ssea          ;;

  3521.                     k8|opteron|athlon64|athlon-fx)

  3522.                                                echo -xarch=sse2a         ;;

  3523.                     athlon*)                   echo -xarch=pentium_proa  ;;

  3524.                 esac

  3525.                 ;;

  3526.             -std=c99)             echo -xc99              ;;

  3527.             -fomit-frame-pointer) echo -xregs=frameptr    ;;

  3528.             -fPIC)                echo -KPIC -xcode=pic32 ;;

  3529.             -W*,*)                echo $flag              ;;

  3530.             -f*-*|-W*|-mimpure-text)                      ;;

  3531.             -shared)              echo -G                 ;;

  3532.             *)                    echo $flag              ;;

  3533.         esac

  3534.     done

  3535. }

  3536. 

  3537. tms470_flags(){

  3538.     for flag; do

  3539.         case $flag in

  3540.             -march=*|-mcpu=*)

  3541.                 case "${flag#*=}" in

  3542.                     armv7-a|cortex-a*)      echo -mv=7a8 ;;

  3543.                     armv7-r|cortex-r*)      echo -mv=7r4 ;;

  3544.                     armv7-m|cortex-m*)      echo -mv=7m3 ;;

  3545.                     armv6*|arm11*)          echo -mv=6   ;;

  3546.                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])

  3547.                                             echo -mv=5e  ;;

  3548.                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;

  3549.                 esac

  3550.                 ;;

  3551.             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;

  3552.             -mfpu=vfp)      echo --float_support=vfpv2        ;;

  3553.             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;

  3554.             -mfpu=vfpv3-d16) echo --float_support=vfpv3d16    ;;

  3555.             -msoft-float)   echo --float_support=vfplib       ;;

  3556.             -O[0-3]|-mf=*)  echo $flag                        ;;

  3557.             -g)             echo -g -mn                       ;;

  3558.             -pds=*)         echo $flag                        ;;

  3559.             -D*|-I*)        echo $flag                        ;;

  3560.             --gcc|--abi=*)  echo $flag                        ;;

  3561.             -me)            echo $flag                        ;;

  3562.         esac

  3563.     done

  3564. }

  3565. 

  3566. probe_cc(){

  3567.     pfx=$1

  3568.     _cc=$2

  3569.     first=$3

  3570. 

  3571.     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags

  3572.     unset _ld_o _ldflags _ld_lib _ld_path

  3573.     unset _depflags _DEPCMD _DEPFLAGS

  3574.     _flags_filter=echo

  3575. 

  3576.     if $_cc --version 2>&1 | grep -q '^GNU assembler'; then

  3577.         true # no-op to avoid reading stdin in following checks

  3578.     elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then

  3579.         _type=llvm_gcc

  3580.         gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')

  3581.         _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"

  3582.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3583.         _cflags_speed='-O3'

  3584.         _cflags_size='-Os'

  3585.     elif $_cc -v 2>&1 | grep -qi ^gcc; then

  3586.         _type=gcc

  3587.         gcc_version=$($_cc --version | head -n1)

  3588.         gcc_basever=$($_cc -dumpversion)

  3589.         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')

  3590.         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")

  3591.         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")

  3592.         case $gcc_basever in

  3593.             2*) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;

  3594.         esac

  3595.         if [ "$first" = true ]; then

  3596.             case $gcc_basever in

  3597.                 4.2*)

  3598.                 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;

  3599.             esac

  3600.         fi

  3601.         _cflags_speed='-O3'

  3602.         _cflags_size='-Os'

  3603.     elif $_cc --version 2>/dev/null | grep -q ^icc; then

  3604.         _type=icc

  3605.         _ident=$($_cc --version | head -n1)

  3606.         _depflags='-MMD'

  3607.         _cflags_speed='-O3'

  3608.         _cflags_size='-Os'

  3609.         _cflags_noopt='-O1'

  3610.         _flags_filter=icc_flags

  3611.     elif $_cc -v 2>&1 | grep -q xlc; then

  3612.         _type=xlc

  3613.         _ident=$($_cc -qversion 2>/dev/null | head -n1)

  3614.         _cflags_speed='-O5'

  3615.         _cflags_size='-O5 -qcompact'

  3616.     elif $_cc -V 2>/dev/null | grep -q Compaq; then

  3617.         _type=ccc

  3618.         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)

  3619.         _DEPFLAGS='-M'

  3620.         _cflags_speed='-fast'

  3621.         _cflags_size='-O1'

  3622.         _flags_filter=ccc_flags

  3623.     elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then

  3624.         test -d "$sysroot" || die "No valid sysroot specified."

  3625.         _type=armcc

  3626.         _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')

  3627.         armcc_conf="$PWD/armcc.conf"

  3628.         $_cc --arm_linux_configure                 \

  3629.              --arm_linux_config_file="$armcc_conf" \

  3630.              --configure_sysroot="$sysroot"        \

  3631.              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||

  3632.              die "Error creating armcc configuration file."

  3633.         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc

  3634.         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"

  3635.         as_default="${cross_prefix}gcc"

  3636.         _depflags='-MMD'

  3637.         _cflags_speed='-O3'

  3638.         _cflags_size='-Os'

  3639.     elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then

  3640.         _type=tms470

  3641.         _ident=$($_cc -version | head -n1 | tr -s ' ')

  3642.         _flags='--gcc --abi=eabi -me'

  3643.         _cc_e='-ppl -fe=$@'

  3644.         _cc_o='-fe=$@'

  3645.         _depflags='-ppa -ppd=$(@:.o=.d)'

  3646.         _cflags_speed='-O3 -mf=5'

  3647.         _cflags_size='-O3 -mf=2'

  3648.         _flags_filter=tms470_flags

  3649.     elif $_cc -v 2>&1 | grep -q clang; then

  3650.         _type=clang

  3651.         _ident=$($_cc --version 2>/dev/null | head -n1)

  3652.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3653.         _cflags_speed='-O3'

  3654.         _cflags_size='-Os'

  3655.     elif $_cc -V 2>&1 | grep -q Sun; then

  3656.         _type=suncc

  3657.         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)

  3658.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'

  3659.         _DEPFLAGS='-xM1 -xc99'

  3660.         _ldflags='-std=c99'

  3661.         _cflags_speed='-O5'

  3662.         _cflags_size='-O5 -xspace'

  3663.         _flags_filter=suncc_flags

  3664.     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then

  3665.         _type=pathscale

  3666.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  3667.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3668.         _cflags_speed='-O2'

  3669.         _cflags_size='-Os'

  3670.         _flags_filter='filter_out -Wdisabled-optimization'

  3671.     elif $_cc -v 2>&1 | grep -q Open64; then

  3672.         _type=open64

  3673.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  3674.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3675.         _cflags_speed='-O2'

  3676.         _cflags_size='-Os'

  3677.         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'

  3678.     elif $_cc -V 2>&1 | grep -q Portland; then

  3679.         _type=pgi

  3680.         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"

  3681.         opt_common='-alias=ansi -Mdse -Mlre -Mpre'

  3682.         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"

  3683.         _cflags_size="-O2 -Munroll=c:1 $opt_common"

  3684.         _cflags_noopt="-O"

  3685.         _flags_filter=pgi_flags

  3686.     elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then

  3687.         _type=armasm

  3688.         _ident=$($_cc | head -n1)

  3689.         # 4509: "This form of conditional instruction is deprecated"

  3690.         _flags="-nologo -ignore 4509"

  3691.         _flags_filter=armasm_flags

  3692.     elif $_cc 2>&1 | grep -q Intel; then

  3693.         _type=icl

  3694.         _ident=$($_cc 2>&1 | head -n1)

  3695.         _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'

  3696.         # Not only is O3 broken on 13.x+ but it is slower on all previous

  3697.         # versions (tested) as well.

  3698.         _cflags_speed="-O2"

  3699.         _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff

  3700.         if $_cc 2>&1 | grep -q Linker; then

  3701.             _ld_o='-out:$@'

  3702.         else

  3703.             _ld_o='-Fe$@'

  3704.         fi

  3705.         _cc_o='-Fo$@'

  3706.         _cc_e='-P'

  3707.         _flags_filter=icl_flags

  3708.         _ld_lib='lib%.a'

  3709.         _ld_path='-libpath:'

  3710.         # -Qdiag-error to make icl error when seeing certain unknown arguments

  3711.         _flags='-nologo -Qdiag-error:4044,10157'

  3712.         # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency

  3713.         # with MSVC which enables it by default.

  3714.         _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS -fp:precise'

  3715.         disable stripping

  3716.     elif $_cc -nologo- 2>&1 | grep -q Microsoft; then

  3717.         _type=msvc

  3718.         _ident=$($_cc 2>&1 | head -n1)

  3719.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'

  3720.         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'

  3721.         _cflags_speed="-O2"

  3722.         _cflags_size="-O1"

  3723.         if $_cc -nologo- 2>&1 | grep -q Linker; then

  3724.             _ld_o='-out:$@'

  3725.         else

  3726.             _ld_o='-Fe$@'

  3727.         fi

  3728.         _cc_o='-Fo$@'

  3729.         _cc_e='-P -Fi$@'

  3730.         _flags_filter=msvc_flags

  3731.         _ld_lib='lib%.a'

  3732.         _ld_path='-libpath:'

  3733.         _flags='-nologo'

  3734.         _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS'

  3735.         disable stripping

  3736.     elif $_cc --version 2>/dev/null | grep -q ^cparser; then

  3737.         _type=cparser

  3738.         _ident=$($_cc --version | head -n1)

  3739.         _depflags='-MMD'

  3740.         _cflags_speed='-O4'

  3741.         _cflags_size='-O2'

  3742.         _flags_filter=cparser_flags

  3743.     fi

  3744. 

  3745.     eval ${pfx}_type=\$_type

  3746.     eval ${pfx}_ident=\$_ident

  3747. }

  3748. 

  3749. set_ccvars(){

  3750.     eval ${1}_C=\${_cc_c-\${${1}_C}}

  3751.     eval ${1}_E=\${_cc_e-\${${1}_E}}

  3752.     eval ${1}_O=\${_cc_o-\${${1}_O}}

  3753. 

  3754.     if [ -n "$_depflags" ]; then

  3755.         eval ${1}_DEPFLAGS=\$_depflags

  3756.     else

  3757.         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}

  3758.         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}

  3759.         eval DEP${1}FLAGS=\$_flags

  3760.     fi

  3761. }

  3762. 

  3763. probe_cc cc "$cc" "true"

  3764. cflags_filter=$_flags_filter

  3765. cflags_speed=$_cflags_speed

  3766. cflags_size=$_cflags_size

  3767. cflags_noopt=$_cflags_noopt

  3768. add_cflags $_flags $_cflags

  3769. cc_ldflags=$_ldflags

  3770. set_ccvars CC

  3771. 

  3772. probe_cc hostcc "$host_cc"

  3773. host_cflags_filter=$_flags_filter

  3774. add_host_cflags  $_flags $_cflags

  3775. set_ccvars HOSTCC

  3776. 

  3777. test -n "$cc_type" && enable $cc_type ||

  3778.     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"

  3779. 

  3780. : ${as_default:=$cc}

  3781. : ${dep_cc_default:=$cc}

  3782. : ${ld_default:=$cc}

  3783. : ${host_ld_default:=$host_cc}

  3784. set_default ar as dep_cc ld host_ld windres

  3785. 

  3786. probe_cc as "$as"

  3787. asflags_filter=$_flags_filter

  3788. add_asflags $_flags $_cflags

  3789. set_ccvars AS

  3790. 

  3791. probe_cc ld "$ld"

  3792. ldflags_filter=$_flags_filter

  3793. add_ldflags $_flags $_ldflags

  3794. test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags

  3795. LD_O=${_ld_o-$LD_O}

  3796. LD_LIB=${_ld_lib-$LD_LIB}

  3797. LD_PATH=${_ld_path-$LD_PATH}

  3798. 

  3799. probe_cc hostld "$host_ld"

  3800. host_ldflags_filter=$_flags_filter

  3801. add_host_ldflags $_flags $_ldflags

  3802. HOSTLD_O=${_ld_o-$HOSTLD_O}

  3803. 

  3804. if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then

  3805.     probe_cc depcc "$dep_cc"

  3806.     CCDEP=${_DEPCMD:-$DEPCMD}

  3807.     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}

  3808.     DEPCCFLAGS=$_flags

  3809. fi

  3810. 

  3811. if $ar 2>&1 | grep -q Microsoft; then

  3812.     arflags="-nologo"

  3813.     ar_o='-out:$@'

  3814. elif $ar 2>&1 | grep -q 'Texas Instruments'; then

  3815.     arflags="rq"

  3816.     ar_o='$@'

  3817. elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then

  3818.     arflags='-Xany -r -c'

  3819.     ar_o='$@'

  3820. elif $ar 2>&1 | grep -q "\[D\] "; then

  3821.     arflags="rcD"

  3822.     ar_o='$@'

  3823. else

  3824.     arflags="rc"

  3825.     ar_o='$@'

  3826. fi

  3827. 

  3828. add_cflags $extra_cflags

  3829. add_cxxflags $extra_cxxflags

  3830. add_asflags $extra_cflags

  3831. 

  3832. if test -n "$sysroot"; then

  3833.     case "$cc_type" in

  3834.         gcc|llvm_gcc|clang)

  3835.             add_cppflags --sysroot="$sysroot"

  3836.             add_ldflags --sysroot="$sysroot"

  3837. # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking

  3838.             add_cppflags -isysroot "$sysroot"

  3839.             add_ldflags -isysroot "$sysroot"

  3840.         ;;

  3841.         tms470)

  3842.             add_cppflags -I"$sysinclude"

  3843.             add_ldflags  --sysroot="$sysroot"

  3844.         ;;

  3845.     esac

  3846. fi

  3847. 

  3848. if test "$cpu" = host; then

  3849.     enabled cross_compile &&

  3850.         die "--cpu=host makes no sense when cross-compiling."

  3851. 

  3852.     case "$cc_type" in

  3853.         gcc|llvm_gcc)

  3854.             check_native(){

  3855.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  3856.                 sed -n "/cc1.*$1=/{

  3857.                             s/.*$1=\\([^ ]*\\).*/\\1/

  3858.                             p

  3859.                             q

  3860.                         }" $TMPE

  3861.             }

  3862.             cpu=$(check_native -march || check_native -mcpu)

  3863.         ;;

  3864.     esac

  3865. 

  3866.     test "${cpu:-host}" = host &&

  3867.         die "--cpu=host not supported with compiler $cc"

  3868. fi

  3869. 

  3870. # Deal with common $arch aliases

  3871. case "$arch" in

  3872.     aarch64|arm64)

  3873.         arch="aarch64"

  3874.     ;;

  3875.     arm*|iPad*|iPhone*)

  3876.         arch="arm"

  3877.     ;;

  3878.     mips*|IP*)

  3879.         arch="mips"

  3880.     ;;

  3881.     parisc*|hppa*)

  3882.         arch="parisc"

  3883.     ;;

  3884.     "Power Macintosh"|ppc*|powerpc*)

  3885.         arch="ppc"

  3886.     ;;

  3887.     s390|s390x)

  3888.         arch="s390"

  3889.     ;;

  3890.     sh4|sh)

  3891.         arch="sh4"

  3892.     ;;

  3893.     sun4u|sparc*)

  3894.         arch="sparc"

  3895.     ;;

  3896.     tilegx|tile-gx)

  3897.         arch="tilegx"

  3898.     ;;

  3899.     i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)

  3900.         arch="x86"

  3901.     ;;

  3902. esac

  3903. 

  3904. is_in $arch $ARCH_LIST || warn "unknown architecture $arch"

  3905. enable $arch

  3906. 

  3907. # Add processor-specific flags

  3908. if enabled aarch64; then

  3909. 

  3910.     case $cpu in

  3911.         armv*)

  3912.             cpuflags="-march=$cpu"

  3913.         ;;

  3914.         *)

  3915.             cpuflags="-mcpu=$cpu"

  3916.         ;;

  3917.     esac

  3918. 

  3919. elif enabled alpha; then

  3920. 

  3921.     cpuflags="-mcpu=$cpu"

  3922. 

  3923. elif enabled arm; then

  3924. 

  3925.     check_arm_arch() {

  3926.         check_cpp_condition stddef.h \

  3927.             "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \

  3928.             $cpuflags

  3929.     }

  3930. 

  3931.     probe_arm_arch() {

  3932.         if   check_arm_arch 4;        then echo armv4;

  3933.         elif check_arm_arch 4T;       then echo armv4t;

  3934.         elif check_arm_arch 5;        then echo armv5;

  3935.         elif check_arm_arch 5E;       then echo armv5e;

  3936.         elif check_arm_arch 5T;       then echo armv5t;

  3937.         elif check_arm_arch 5TE;      then echo armv5te;

  3938.         elif check_arm_arch 5TEJ;     then echo armv5te;

  3939.         elif check_arm_arch 6;        then echo armv6;

  3940.         elif check_arm_arch 6J;       then echo armv6j;

  3941.         elif check_arm_arch 6K;       then echo armv6k;

  3942.         elif check_arm_arch 6Z;       then echo armv6z;

  3943.         elif check_arm_arch 6ZK;      then echo armv6zk;

  3944.         elif check_arm_arch 6T2;      then echo armv6t2;

  3945.         elif check_arm_arch 7;        then echo armv7;

  3946.         elif check_arm_arch 7A  7_A;  then echo armv7-a;

  3947.         elif check_arm_arch 7S;       then echo armv7-a;

  3948.         elif check_arm_arch 7R  7_R;  then echo armv7-r;

  3949.         elif check_arm_arch 7M  7_M;  then echo armv7-m;

  3950.         elif check_arm_arch 7EM 7E_M; then echo armv7-m;

  3951.         elif check_arm_arch 8A  8_A;  then echo armv8-a;

  3952.         fi

  3953.     }

  3954. 

  3955.     [ "$cpu" = generic ] && cpu=$(probe_arm_arch)

  3956. 

  3957.     case $cpu in

  3958.         armv*)

  3959.             cpuflags="-march=$cpu"

  3960.             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')

  3961.         ;;

  3962.         *)

  3963.             cpuflags="-mcpu=$cpu"

  3964.             case $cpu in

  3965.                 cortex-a*)                               subarch=armv7a  ;;

  3966.                 cortex-r*)                               subarch=armv7r  ;;

  3967.                 cortex-m*)                 enable thumb; subarch=armv7m  ;;

  3968.                 arm11*)                                  subarch=armv6   ;;

  3969.                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;

  3970.                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;

  3971.                 *)                             subarch=$(probe_arm_arch) ;;

  3972.             esac

  3973.         ;;

  3974.     esac

  3975. 

  3976.     case "$subarch" in

  3977.         armv5t*)    enable fast_clz                ;;

  3978.         armv[6-8]*)

  3979.             enable fast_clz

  3980.             disabled fast_unaligned || enable fast_unaligned

  3981.             ;;

  3982.     esac

  3983. 

  3984. elif enabled avr32; then

  3985. 

  3986.     case $cpu in

  3987.         ap7[02]0[0-2])

  3988.             subarch="avr32_ap"

  3989.             cpuflags="-mpart=$cpu"

  3990.         ;;

  3991.         ap)

  3992.             subarch="avr32_ap"

  3993.             cpuflags="-march=$cpu"

  3994.         ;;

  3995.         uc3[ab]*)

  3996.             subarch="avr32_uc"

  3997.             cpuflags="-mcpu=$cpu"

  3998.         ;;

  3999.         uc)

  4000.             subarch="avr32_uc"

  4001.             cpuflags="-march=$cpu"

  4002.         ;;

  4003.     esac

  4004. 

  4005. elif enabled bfin; then

  4006. 

  4007.     cpuflags="-mcpu=$cpu"

  4008. 

  4009. elif enabled mips; then

  4010. 

  4011.     cpuflags="-march=$cpu"

  4012. 

  4013.     case $cpu in

  4014.         24kc)

  4015.             disable mips32r5

  4016.             disable mips64r6

  4017.             disable mipsfpu

  4018.             disable mipsdspr1

  4019.             disable mipsdspr2

  4020.             disable msa

  4021.         ;;

  4022.         24kf*)

  4023.             disable mips32r5

  4024.             disable mips64r6

  4025.             disable mipsdspr1

  4026.             disable mipsdspr2

  4027.             disable msa

  4028.         ;;

  4029.         24kec|34kc|1004kc)

  4030.             disable mips32r5

  4031.             disable mips64r6

  4032.             disable mipsfpu

  4033.             disable mipsdspr2

  4034.             disable msa

  4035.         ;;

  4036.         24kef*|34kf*|1004kf*)

  4037.             disable mips32r5

  4038.             disable mips64r6

  4039.             disable mipsdspr2

  4040.             disable msa

  4041.         ;;

  4042.         74kc)

  4043.             disable mips32r5

  4044.             disable mips64r6

  4045.             disable mipsfpu

  4046.             disable msa

  4047.         ;;

  4048.         74kf)

  4049.             disable mips32r5

  4050.             disable mips64r6

  4051.             disable msa

  4052.         ;;

  4053.         p5600)

  4054.             disable mips64r6

  4055.             disable mipsdspr1

  4056.             disable mipsdspr2

  4057. 

  4058.             check_cflags "-mtune=p5600"

  4059.         ;;

  4060.         i6400)

  4061.             disable mips32r5

  4062.             disable mipsdspr1

  4063.             disable mipsdspr2

  4064.             disable mipsfpu

  4065. 

  4066.             check_cflags "-mtune=i6400 -mabi=64"

  4067.             check_ldflags "-mabi=64"

  4068.         ;;

  4069.         loongson*)

  4070.             disable mipsfpu

  4071.             disable mips32r2

  4072.             disable mips32r5

  4073.             disable mips64r6

  4074.             disable mipsdspr1

  4075.             disable mipsdspr2

  4076.             disable msa

  4077.             enable local_aligned_8 local_aligned_16 local_aligned_32

  4078.             enable simd_align_16

  4079.             enable fast_64bit

  4080.             enable fast_clz

  4081.             enable fast_cmov

  4082.             enable fast_unaligned

  4083.             disable aligned_stack

  4084.             case $cpu in

  4085.                 loongson3*)

  4086.                     cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"

  4087.                 ;;

  4088.                 loongson2e)

  4089.                     cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"

  4090.                 ;;

  4091.                 loongson2f)

  4092.                     cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"

  4093.                 ;;

  4094.             esac

  4095.         ;;

  4096.         generic)

  4097.             disable mips32r5

  4098.             disable mips64r6

  4099.             disable msa

  4100.         ;;

  4101.     esac

  4102. 

  4103. elif enabled ppc; then

  4104. 

  4105.     disable ldbrx

  4106. 

  4107.     case $(tolower $cpu) in

  4108.         601|ppc601|powerpc601)

  4109.             cpuflags="-mcpu=601"

  4110.             disable altivec

  4111.         ;;

  4112.         603*|ppc603*|powerpc603*)

  4113.             cpuflags="-mcpu=603"

  4114.             disable altivec

  4115.         ;;

  4116.         604*|ppc604*|powerpc604*)

  4117.             cpuflags="-mcpu=604"

  4118.             disable altivec

  4119.         ;;

  4120.         g3|75*|ppc75*|powerpc75*)

  4121.             cpuflags="-mcpu=750"

  4122.             disable altivec

  4123.         ;;

  4124.         g4|745*|ppc745*|powerpc745*)

  4125.             cpuflags="-mcpu=7450"

  4126.             disable vsx

  4127.         ;;

  4128.         74*|ppc74*|powerpc74*)

  4129.             cpuflags="-mcpu=7400"

  4130.             disable vsx

  4131.         ;;

  4132.         g5|970|ppc970|powerpc970)

  4133.             cpuflags="-mcpu=970"

  4134.             disable vsx

  4135.         ;;

  4136.         power[3-6]*)

  4137.             cpuflags="-mcpu=$cpu"

  4138.             disable vsx

  4139.         ;;

  4140.         power[7-8]*)

  4141.             cpuflags="-mcpu=$cpu"

  4142.         ;;

  4143.         cell)

  4144.             cpuflags="-mcpu=cell"

  4145.             enable ldbrx

  4146.             disable vsx

  4147.         ;;

  4148.         e500mc)

  4149.             cpuflags="-mcpu=e500mc"

  4150.             disable altivec

  4151.         ;;

  4152.         e500v2)

  4153.             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"

  4154.             disable altivec

  4155.             disable dcbzl

  4156.         ;;

  4157.         e500)

  4158.             cpuflags="-mcpu=8540 -mhard-float"

  4159.             disable altivec

  4160.             disable dcbzl

  4161.         ;;

  4162.     esac

  4163. 

  4164. elif enabled sparc; then

  4165. 

  4166.     case $cpu in

  4167.         cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])

  4168.             cpuflags="-mcpu=$cpu"

  4169.         ;;

  4170.         ultrasparc*|niagara[234])

  4171.             cpuflags="-mcpu=$cpu"

  4172.         ;;

  4173.     esac

  4174. 

  4175. elif enabled x86; then

  4176. 

  4177.     case $cpu in

  4178.         i[345]86|pentium)

  4179.             cpuflags="-march=$cpu"

  4180.             disable i686

  4181.             disable mmx

  4182.         ;;

  4183.         # targets that do NOT support nopl and conditional mov (cmov)

  4184.         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)

  4185.             cpuflags="-march=$cpu"

  4186.             disable i686

  4187.         ;;

  4188.         # targets that do support nopl and conditional mov (cmov)

  4189.         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\

  4190.         |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)

  4191.             cpuflags="-march=$cpu"

  4192.             enable i686

  4193.             enable fast_cmov

  4194.         ;;

  4195.         # targets that do support conditional mov but on which it's slow

  4196.         pentium4|pentium4m|prescott|nocona)

  4197.             cpuflags="-march=$cpu"

  4198.             enable i686

  4199.             disable fast_cmov

  4200.         ;;

  4201.     esac

  4202. 

  4203. fi

  4204. 

  4205. if [ "$cpu" != generic ]; then

  4206.     add_cflags  $cpuflags

  4207.     add_asflags $cpuflags

  4208.     test "$cc_type" = "$ld_type" && add_ldflags $cpuflags

  4209. fi

  4210. 

  4211. # compiler sanity check

  4212. check_exec <<EOF

  4213. int main(void){ return 0; }

  4214. EOF

  4215. if test "$?" != 0; then

  4216.     echo "$cc is unable to create an executable file."

  4217.     if test -z "$cross_prefix" && ! enabled cross_compile ; then

  4218.         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."

  4219.         echo "Only do this if you know what cross compiling means."

  4220.     fi

  4221.     die "C compiler test failed."

  4222. fi

  4223. 

  4224. add_cppflags -D_ISOC99_SOURCE

  4225. add_cxxflags -D__STDC_CONSTANT_MACROS

  4226. check_cflags -std=c99

  4227. check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64

  4228. #include <stdlib.h>

  4229. EOF

  4230. check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE

  4231. #include <stdlib.h>

  4232. EOF

  4233. 

  4234. add_host_cppflags -D_ISOC99_SOURCE

  4235. check_host_cflags -std=c99

  4236. check_host_cflags -Wall

  4237. check_host_cflags -O3

  4238. 

  4239. check_64bit(){

  4240.     arch32=$1

  4241.     arch64=$2

  4242.     expr=$3

  4243.     check_code cc "" "int test[2*($expr) - 1]" &&

  4244.         subarch=$arch64 || subarch=$arch32

  4245. }

  4246. 

  4247. case "$arch" in

  4248.     aarch64|alpha|ia64)

  4249.         spic=$shared

  4250.     ;;

  4251.     mips)

  4252.         check_64bit mips mips64 '_MIPS_SIM > 1'

  4253.         spic=$shared

  4254.     ;;

  4255.     parisc)

  4256.         check_64bit parisc parisc64 'sizeof(void *) > 4'

  4257.         spic=$shared

  4258.     ;;

  4259.     ppc)

  4260.         check_64bit ppc ppc64 'sizeof(void *) > 4'

  4261.         spic=$shared

  4262.     ;;

  4263.     s390)

  4264.         check_64bit s390 s390x 'sizeof(void *) > 4'

  4265.         spic=$shared

  4266.     ;;

  4267.     sparc)

  4268.         check_64bit sparc sparc64 'sizeof(void *) > 4'

  4269.         spic=$shared

  4270.     ;;

  4271.     x86)

  4272.         check_64bit x86_32 x86_64 'sizeof(void *) > 4'

  4273.         # Treat x32 as x64 for now. Note it also needs spic=$shared

  4274.         test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&

  4275.             subarch=x86_64

  4276.         if test "$subarch" = "x86_64"; then

  4277.             spic=$shared

  4278.         fi

  4279.     ;;

  4280.     ppc)

  4281.         check_cc <<EOF && subarch="ppc64"

  4282.         int test[(int)sizeof(char*) - 7];

  4283. EOF

  4284.     ;;

  4285. esac

  4286. 

  4287. enable $subarch

  4288. enabled spic && enable_weak pic

  4289. 

  4290. # OS specific

  4291. case $target_os in

  4292.     aix)

  4293.         SHFLAGS=-shared

  4294.         add_cppflags '-I\$(SRC_PATH)/compat/aix'

  4295.         enabled shared && add_ldflags -Wl,-brtl

  4296.         ;;

  4297.     android)

  4298.         disable symver

  4299.         enable section_data_rel_ro

  4300.         SLIB_INSTALL_NAME='$(SLIBNAME)'

  4301.         SLIB_INSTALL_LINKS=

  4302.         # soname not set on purpose

  4303.         SHFLAGS=-shared

  4304.         ;;

  4305.     haiku)

  4306.         prefix_default="/boot/common"

  4307.         network_extralibs="-lnetwork"

  4308.         host_libs=

  4309.         ;;

  4310.     sunos)

  4311.         SHFLAGS='-shared -Wl,-h,$$(@F)'

  4312.         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"

  4313.         network_extralibs="-lsocket -lnsl"

  4314.         add_cppflags -D__EXTENSIONS__

  4315.         # When using suncc to build, the Solaris linker will mark

  4316.         # an executable with each instruction set encountered by

  4317.         # the Solaris assembler.  As our libraries contain their own

  4318.         # guards for processor-specific code, instead suppress

  4319.         # generation of the HWCAPS ELF section on Solaris x86 only.

  4320.         enabled_all suncc x86 &&

  4321.             echo "hwcap_1 = OVERRIDE;" > mapfile &&

  4322.             add_ldflags -Wl,-M,mapfile

  4323.         nm_default='nm -P -g'

  4324.         ;;

  4325.     netbsd)

  4326.         disable symver

  4327.         oss_indev_extralibs="-lossaudio"

  4328.         oss_outdev_extralibs="-lossaudio"

  4329.         enabled gcc || check_ldflags -Wl,-zmuldefs

  4330.         ;;

  4331.     openbsd|bitrig)

  4332.         disable symver

  4333.         SHFLAGS='-shared'

  4334.         SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'

  4335.         SLIB_INSTALL_LINKS=

  4336.         oss_indev_extralibs="-lossaudio"

  4337.         oss_outdev_extralibs="-lossaudio"

  4338.         ;;

  4339.     dragonfly)

  4340.         disable symver

  4341.         ;;

  4342.     freebsd)

  4343.         ;;

  4344.     bsd/os)

  4345.         add_extralibs -lpoll -lgnugetopt

  4346.         strip="strip -d"

  4347.         ;;

  4348.     darwin)

  4349.         enabled ppc && add_asflags -force_cpusubtype_ALL

  4350.         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'

  4351.         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress

  4352.         strip="${strip} -x"

  4353.         add_ldflags -Wl,-dynamic,-search_paths_first

  4354.         SLIBSUF=".dylib"

  4355.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'

  4356.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'

  4357.         objformat="macho"

  4358.         enabled x86_64 && objformat="macho64"

  4359.         enabled_any pic shared x86_64 ||

  4360.             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }

  4361.         ;;

  4362.     mingw32*|mingw64*)

  4363.         if test $target_os = "mingw32ce"; then

  4364.             disable network

  4365.         else

  4366.             target_os=mingw32

  4367.         fi

  4368.         decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"

  4369.         decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"

  4370.         LIBTARGET=i386

  4371.         if enabled x86_64; then

  4372.             LIBTARGET="i386:x86-64"

  4373.         elif enabled arm; then

  4374.             LIBTARGET=arm-wince

  4375.         fi

  4376.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4377.         enabled x86_32 && check_ldflags -Wl,--large-address-aware

  4378.         shlibdir_default="$bindir_default"

  4379.         SLIBPREF=""

  4380.         SLIBSUF=".dll"

  4381.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4382.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4383.         dlltool="${cross_prefix}dlltool"

  4384.         if check_cmd lib.exe -list; then

  4385.             SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4386.             if enabled x86_64; then

  4387.                 LIBTARGET=x64

  4388.             fi

  4389.         elif check_cmd $dlltool --version; then

  4390.             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)'

  4391.         fi

  4392.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4393.         SLIB_INSTALL_LINKS=

  4394.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4395.         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4396.         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'

  4397.         objformat="win32"

  4398.         ranlib=:

  4399.         enable dos_paths

  4400.         check_ldflags -Wl,--nxcompat,--dynamicbase

  4401.         # Lets work around some stupidity in binutils.

  4402.         # ld will strip relocations from executables even though we need them

  4403.         # for dynamicbase (ASLR).  Using -pie does retain the reloc section

  4404.         # however ld then forgets what the entry point should be (oops) so we

  4405.         # have to manually (re)set it.

  4406.         if enabled x86_32; then

  4407.             add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup

  4408.         elif enabled x86_64; then

  4409.             add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup

  4410.             check_ldflags -Wl,--high-entropy-va # binutils 2.25

  4411.             # Set image base >4GB for extra entropy with HEASLR

  4412.             add_ldexeflags -Wl,--image-base,0x140000000

  4413.             append SHFLAGS -Wl,--image-base,0x180000000

  4414.         fi

  4415.         ;;

  4416.     win32|win64)

  4417.         disable symver

  4418.         if enabled shared; then

  4419.             # Link to the import library instead of the normal static library

  4420.             # for shared libs.

  4421.             LD_LIB='%.lib'

  4422.             # Cannot build both shared and static libs with MSVC or icl.

  4423.             disable static

  4424.         fi

  4425.         enabled x86_32 && check_ldflags -LARGEADDRESSAWARE

  4426.         shlibdir_default="$bindir_default"

  4427.         SLIBPREF=""

  4428.         SLIBSUF=".dll"

  4429.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4430.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4431.         SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'

  4432.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4433.         SLIB_INSTALL_LINKS=

  4434.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4435.         SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4436.         SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4437.         objformat="win32"

  4438.         ranlib=:

  4439.         enable dos_paths

  4440.         ;;

  4441.     cygwin*)

  4442.         target_os=cygwin

  4443.         shlibdir_default="$bindir_default"

  4444.         SLIBPREF="cyg"

  4445.         SLIBSUF=".dll"

  4446.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4447.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4448.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4449.         SLIB_INSTALL_LINKS=

  4450.         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'

  4451.         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'

  4452.         objformat="win32"

  4453.         enable dos_paths

  4454.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4455.         ;;

  4456.     *-dos|freedos|opendos)

  4457.         network_extralibs="-lsocket"

  4458.         objformat="coff"

  4459.         enable dos_paths

  4460.         add_cppflags -U__STRICT_ANSI__

  4461.         ;;

  4462.     linux)

  4463.         enable dv1394

  4464.         enable section_data_rel_ro

  4465.         ;;

  4466.     irix*)

  4467.         target_os=irix

  4468.         ranlib="echo ignoring ranlib"

  4469.         ;;

  4470.     os/2*)

  4471.         strip="lxlite -CS"

  4472.         ln_s="cp -f"

  4473.         objformat="aout"

  4474.         add_cppflags -D_GNU_SOURCE

  4475.         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap

  4476.         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'

  4477.         LIBSUF="_s.a"

  4478.         SLIBPREF=""

  4479.         SLIBSUF=".dll"

  4480.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'

  4481.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'

  4482.         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \

  4483.             echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \

  4484.             echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \

  4485.             echo EXPORTS >> $(SUBDIR)$(NAME).def; \

  4486.             emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'

  4487.         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \

  4488.             emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'

  4489.         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'

  4490.         enable dos_paths

  4491.         enable_weak os2threads

  4492.         ;;

  4493.     gnu/kfreebsd)

  4494.         add_cppflags -D_BSD_SOURCE

  4495.         ;;

  4496.     gnu)

  4497.         ;;

  4498.     qnx)

  4499.         add_cppflags -D_QNX_SOURCE

  4500.         network_extralibs="-lsocket"

  4501.         ;;

  4502.     symbian)

  4503.         SLIBSUF=".dll"

  4504.         enable dos_paths

  4505.         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default

  4506.         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS

  4507.         add_ldflags -Wl,--target1-abs,--no-undefined \

  4508.                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \

  4509.                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup

  4510.         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \

  4511.                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \

  4512.                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib

  4513.         ;;

  4514.     osf1)

  4515.         add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT

  4516.         ;;

  4517.     minix)

  4518.         ;;

  4519.     plan9)

  4520.         add_cppflags -D_C99_SNPRINTF_EXTENSION  \

  4521.                      -D_REENTRANT_SOURCE        \

  4522.                      -D_RESEARCH_SOURCE         \

  4523.                      -DFD_SETSIZE=96            \

  4524.                      -DHAVE_SOCK_OPTS

  4525.         add_compat strtod.o strtod=avpriv_strtod

  4526.         network_extralibs='-lbsd'

  4527.         exeobjs=compat/plan9/main.o

  4528.         disable ffserver

  4529.         cp_f='cp'

  4530.         ;;

  4531.     none)

  4532.         ;;

  4533.     *)

  4534.         die "Unknown OS '$target_os'."

  4535.         ;;

  4536. esac

  4537. 

  4538. # determine libc flavour

  4539. 

  4540. probe_libc(){

  4541.     pfx=$1

  4542.     pfx_no_=${pfx%_}

  4543.     # uclibc defines __GLIBC__, so it needs to be checked before glibc.

  4544.     if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then

  4545.         eval ${pfx}libc_type=uclibc

  4546.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4547.     elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then

  4548.         eval ${pfx}libc_type=glibc

  4549.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4550.     # MinGW headers can be installed on Cygwin, so check for newlib first.

  4551.     elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then

  4552.         eval ${pfx}libc_type=newlib

  4553.         add_${pfx}cppflags -U__STRICT_ANSI__

  4554.     # MinGW64 is backwards compatible with MinGW32, so check for it first.

  4555.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then

  4556.         eval ${pfx}libc_type=mingw64

  4557.         if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then

  4558.             add_compat msvcrt/snprintf.o

  4559.             add_cflags "-include $source_path/compat/msvcrt/snprintf.h"

  4560.         fi

  4561.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4562.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4563.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4564.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION"  ||

  4565.          check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then

  4566.         eval ${pfx}libc_type=mingw32

  4567.         check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \

  4568.             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||

  4569.             die "ERROR: MinGW32 runtime version must be >= 3.15."

  4570.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4571.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4572.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4573.     elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then

  4574.         eval ${pfx}libc_type=msvcrt

  4575.         if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then

  4576.             if [ "$pfx" = host_ ]; then

  4577.                 add_host_cppflags -Dsnprintf=_snprintf

  4578.             else

  4579.                 add_compat strtod.o strtod=avpriv_strtod

  4580.                 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf   \

  4581.                                              _snprintf=avpriv_snprintf  \

  4582.                                              vsnprintf=avpriv_vsnprintf

  4583.             fi

  4584.         fi

  4585.         # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to

  4586.         # 0x601 by default unless something else is set by the user.

  4587.         # This can easily lead to us detecting functions only present

  4588.         # in such new versions and producing binaries requiring windows 7.0.

  4589.         # Therefore explicitly set the default to XP unless the user has

  4590.         # set something else on the command line.

  4591.         # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop

  4592.         # family. For these cases, configure is free to use any functions

  4593.         # found in the SDK headers by default. (Alternatively, we could force

  4594.         # _WIN32_WINNT to 0x0602 in that case.)

  4595.         check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||

  4596.             { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }

  4597. #ifdef WINAPI_FAMILY

  4598. #include <winapifamily.h>

  4599. #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

  4600. #error not desktop

  4601. #endif

  4602. #endif

  4603. EOF

  4604.     elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then

  4605.         eval ${pfx}libc_type=klibc

  4606.     elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then

  4607.         eval ${pfx}libc_type=bionic

  4608.     elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then

  4609.         eval ${pfx}libc_type=solaris

  4610.         add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600

  4611.     fi

  4612.     check_${pfx}cc <<EOF

  4613. #include <time.h>

  4614. void *v = localtime_r;

  4615. EOF

  4616. 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

  4617. #include <time.h>

  4618. void *v = localtime_r;

  4619. EOF

  4620. 

  4621. }

  4622. 

  4623. probe_libc

  4624. test -n "$libc_type" && enable libc_$libc_type

  4625. probe_libc host_

  4626. test -n "$host_libc_type" && enable host_libc_$host_libc_type

  4627. 

  4628. case $libc_type in

  4629.     bionic)

  4630.         add_compat strtod.o strtod=avpriv_strtod

  4631.         ;;

  4632. esac

  4633. 

  4634. # hacks for compiler/libc/os combinations

  4635. 

  4636. if enabled_all tms470 libc_glibc; then

  4637.     CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"

  4638.     add_cppflags -D__USER_LABEL_PREFIX__=

  4639.     add_cppflags -D__builtin_memset=memset

  4640.     add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED

  4641.     add_cflags   -pds=48    # incompatible redefinition of macro

  4642. fi

  4643. 

  4644. if enabled_all ccc libc_glibc; then

  4645.     add_ldflags -Wl,-z,now  # calls to libots crash without this

  4646. fi

  4647. 

  4648. check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||

  4649.     add_cppflags '-I\$(SRC_PATH)/compat/float'

  4650. 

  4651. esc(){

  4652.     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'

  4653. }

  4654. 

  4655. echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate

  4656. 

  4657. check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic

  4658. 

  4659. set_default libdir

  4660. : ${shlibdir_default:="$libdir"}

  4661. : ${pkgconfigdir_default:="$libdir/pkgconfig"}

  4662. 

  4663. set_default $PATHS_LIST

  4664. set_default nm

  4665. 

  4666. # we need to build at least one lib type

  4667. if ! enabled_any static shared; then

  4668.     cat <<EOF

  4669. At least one library type must be built.

  4670. Specify --enable-static to build the static libraries or --enable-shared to

  4671. build the shared libraries as well. To only build the shared libraries specify

  4672. --disable-static in addition to --enable-shared.

  4673. EOF

  4674.     exit 1;

  4675. fi

  4676. 

  4677. die_license_disabled() {

  4678.     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }

  4679. }

  4680. 

  4681. die_license_disabled_gpl() {

  4682.     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }

  4683. }

  4684. 

  4685. die_license_disabled gpl frei0r

  4686. die_license_disabled gpl libcdio

  4687. die_license_disabled gpl librubberband

  4688. die_license_disabled gpl libsmbclient

  4689. die_license_disabled gpl libutvideo

  4690. die_license_disabled gpl libvidstab

  4691. die_license_disabled gpl libx264

  4692. die_license_disabled gpl libx265

  4693. die_license_disabled gpl libxavs

  4694. die_license_disabled gpl libxvid

  4695. die_license_disabled gpl libzvbi

  4696. die_license_disabled gpl x11grab

  4697. 

  4698. die_license_disabled nonfree libaacplus

  4699. die_license_disabled nonfree libfaac

  4700. die_license_disabled nonfree nvenc

  4701. enabled gpl && die_license_disabled_gpl nonfree libfdk_aac

  4702. enabled gpl && die_license_disabled_gpl nonfree openssl

  4703. 

  4704. die_license_disabled version3 libopencore_amrnb

  4705. die_license_disabled version3 libopencore_amrwb

  4706. die_license_disabled version3 libsmbclient

  4707. die_license_disabled version3 libvo_aacenc

  4708. die_license_disabled version3 libvo_amrwbenc

  4709. 

  4710. enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }

  4711. 

  4712. disabled optimizations || check_cflags -fomit-frame-pointer

  4713. 

  4714. enable_weak_pic() {

  4715.     disabled pic && return

  4716.     enable pic

  4717.     add_cppflags -DPIC

  4718.     case "$target_os" in

  4719.     mingw*|cygwin*)

  4720.         ;;

  4721.     *)

  4722.         add_cflags -fPIC

  4723.         ;;

  4724.     esac

  4725.     add_asflags  -fPIC

  4726. }

  4727. 

  4728. enabled pic && enable_weak_pic

  4729. 

  4730. check_cc <<EOF || die "Symbol mangling check failed."

  4731. int ff_extern;

  4732. EOF

  4733. sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')

  4734. extern_prefix=${sym%%ff_extern*}

  4735. 

  4736. check_cc <<EOF && enable_weak inline_asm

  4737. void foo(void) { __asm__ volatile ("" ::); }

  4738. EOF

  4739. 

  4740. _restrict=

  4741. for restrict_keyword in restrict __restrict__ __restrict; do

  4742.     check_cc <<EOF && _restrict=$restrict_keyword && break

  4743. void foo(char * $restrict_keyword p);

  4744. EOF

  4745. done

  4746. 

  4747. check_cc <<EOF && enable pragma_deprecated

  4748. void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }

  4749. EOF

  4750. 

  4751. check_cc <<EOF && enable attribute_packed

  4752. struct { int x; } __attribute__((packed)) x;

  4753. EOF

  4754. 

  4755. check_cc <<EOF && enable attribute_may_alias

  4756. union { int x; } __attribute__((may_alias)) x;

  4757. EOF

  4758. 

  4759. check_cc <<EOF || die "endian test failed"

  4760. unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';

  4761. EOF

  4762. od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian

  4763. 

  4764. if ! enabled ppc64 || enabled bigendian; then

  4765.     disable vsx

  4766. fi

  4767. 

  4768. check_gas() {

  4769.     log "check_gas using '$as' as AS"

  4770.     # :vararg is used on aarch64, arm and ppc altivec

  4771.     check_as <<EOF || return 1

  4772. .macro m n, y:vararg=0

  4773. \n: .int \y

  4774. .endm

  4775. m x

  4776. EOF

  4777.     # .altmacro is only used in arm asm

  4778.     ! enabled arm || check_as <<EOF || return 1

  4779. .altmacro

  4780. EOF

  4781.     enable gnu_as

  4782.     return 0

  4783. }

  4784. 

  4785. if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then

  4786.     nogas=:

  4787.     enabled_any arm aarch64 && nogas=die

  4788.     enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn

  4789.     as_noop=-v

  4790. 

  4791.     case $as_type in

  4792.         arm*) gaspp_as_type=armasm; as_noop=-h ;;

  4793.         gcc)  gaspp_as_type=gas ;;

  4794.         *)    gaspp_as_type=$as_type ;;

  4795.     esac

  4796. 

  4797.     [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"

  4798. 

  4799.     test "${as#*gas-preprocessor.pl}" != "$as" ||

  4800.     check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&

  4801.         gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"

  4802. 

  4803.     if ! check_gas ; then

  4804.         as=${gas:=$as}

  4805.         check_gas || \

  4806.             $nogas "GNU assembler not found, install/update gas-preprocessor"

  4807.     fi

  4808. 

  4809.     check_as <<EOF && enable as_func

  4810. .func test

  4811. .endfunc

  4812. EOF

  4813. fi

  4814. 

  4815. check_inline_asm inline_asm_labels '"1:\n"'

  4816. 

  4817. check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'

  4818. 

  4819. if enabled aarch64; then

  4820.     enabled armv8 && check_insn armv8 'prfm   pldl1strm, [x0]'

  4821.     # internal assembler in clang 3.3 does not support this instruction

  4822.     enabled neon && check_insn neon 'ext   v0.8B, v0.8B, v1.8B, #1'

  4823.     enabled vfp  && check_insn vfp  'fmadd d0,    d0,    d1,    d2'

  4824. 

  4825.     map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM

  4826. 

  4827. elif enabled alpha; then

  4828. 

  4829.     check_cflags -mieee

  4830. 

  4831. elif enabled arm; then

  4832. 

  4833.     enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb

  4834. 

  4835.     check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb

  4836. float func(float a, float b){ return a+b; }

  4837. EOF

  4838. 

  4839.     enabled thumb && check_cflags -mthumb || check_cflags -marm

  4840. 

  4841.     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then

  4842.         enable vfp_args

  4843.     elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then

  4844.         enable vfp_args

  4845.     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then

  4846.         case "${cross_prefix:-$cc}" in

  4847.             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;

  4848.             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;

  4849. __asm__ (".eabi_attribute 28, 1");

  4850. int main(void) { return 0; }

  4851. EOF

  4852.         esac

  4853.         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."

  4854.     fi

  4855. 

  4856.     enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'

  4857.     enabled armv6   && check_insn armv6   'sadd16 r0, r0, r0'

  4858.     enabled armv6t2 && check_insn armv6t2 'movt r0, #0'

  4859.     enabled neon    && check_insn neon    'vadd.i16 q0, q0, q0'

  4860.     enabled vfp     && check_insn vfp     'fadds s0, s0, s0'

  4861.     enabled vfpv3   && check_insn vfpv3   'vmov.f32 s0, #1.0'

  4862.     enabled setend  && check_insn setend  'setend be'

  4863. 

  4864.     [ $target_os = linux ] || [ $target_os = android ] ||

  4865.         map 'enabled_any ${v}_external ${v}_inline || disable $v' \

  4866.             $ARCH_EXT_LIST_ARM

  4867. 

  4868.     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'

  4869. 

  4870.     check_as <<EOF && enable as_dn_directive

  4871. ra .dn d0.i16

  4872. .unreq ra

  4873. EOF

  4874. 

  4875.     # llvm's integrated assembler supports .object_arch from llvm 3.5

  4876.     [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch

  4877. .object_arch armv4

  4878. EOF

  4879. 

  4880.     [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic

  4881. 

  4882. elif enabled mips; then

  4883. 

  4884.     enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'

  4885.     enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'

  4886.     enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'

  4887. 

  4888.     # Enable minimum ISA based on selected options

  4889.     if enabled mips64 && (enabled mipsdspr1 || enabled mipsdspr2); then

  4890.         add_cflags "-mips64r2"

  4891.         add_asflags "-mips64r2"

  4892.     elif enabled mips64 && enabled mipsfpu && disabled loongson2 && disabled loongson3; then

  4893.         add_cflags "-mips64"

  4894.         add_asflags "-mips64"

  4895.     elif enabled mipsdspr1 || enabled mipsdspr2; then

  4896.         add_cflags "-mips32r2 -mfp32"

  4897.         add_asflags "-mips32r2 -mfp32"

  4898.     elif enabled mips32r5 || enabled mips64r6; then

  4899.         check_cflags "-mfp64"

  4900.         check_ldflags "-mfp64"

  4901.     fi

  4902. 

  4903.     enabled mips32r5  && check_cflags "-mips32r5 -msched-weight -mload-store-pairs -funroll-loops" &&

  4904.      check_ldflags "-mips32r5" &&

  4905.      check_inline_asm mips32r5  '"ulw $t0, ($t1)"'

  4906.     enabled mips64r6  && check_cflags "-mips64r6 -msched-weight -mload-store-pairs -funroll-loops" &&

  4907.      check_ldflags "-mips64r6" &&

  4908.      check_inline_asm mips64r6  '"aui $t0, $t1, 1"'

  4909.     enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&

  4910.      check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'

  4911.     enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&

  4912.      check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'

  4913.     enabled mipsfpu   && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&

  4914.      check_inline_asm mipsfpu   '"madd.d $f0, $f2, $f4, $f6"'

  4915.     enabled msa       && check_cflags "-mmsa" && check_ldflags "-mmsa" &&

  4916.      check_inline_asm msa       '"addvi.b $w0, $w1, 1"'

  4917. 

  4918.     enabled mips32r5 && add_asflags "-mips32r5 -mfp64"

  4919.     enabled mips64r6 && add_asflags "-mips64r6 -mfp64"

  4920.     enabled msa && add_asflags "-mmsa"

  4921. 

  4922. elif enabled parisc; then

  4923. 

  4924.     if enabled gcc; then

  4925.         case $($cc -dumpversion) in

  4926.             4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;

  4927.         esac

  4928.     fi

  4929. 

  4930. elif enabled ppc; then

  4931. 

  4932.     enable local_aligned_8 local_aligned_16 local_aligned_32

  4933. 

  4934.     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'

  4935.     check_inline_asm ibm_asm   '"add 0, 0, 0"'

  4936.     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'

  4937.     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'

  4938. 

  4939.     # AltiVec flags: The FSF version of GCC differs from the Apple version

  4940.     if enabled altivec; then

  4941.         check_cflags -maltivec -mabi=altivec &&

  4942.         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||

  4943.         check_cflags -faltivec

  4944. 

  4945.         # check if our compiler supports Motorola AltiVec C API

  4946.         check_cc <<EOF || disable altivec

  4947. $inc_altivec_h

  4948. int main(void) {

  4949.     vector signed int v1 = (vector signed int) { 0 };

  4950.     vector signed int v2 = (vector signed int) { 1 };

  4951.     v1 = vec_add(v1, v2);

  4952.     return 0;

  4953. }

  4954. EOF

  4955. 

  4956.         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"

  4957.     fi

  4958. 

  4959.     if enabled vsx; then

  4960.         check_cflags -mvsx &&

  4961.         check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx

  4962.     fi

  4963. 

  4964.     if enabled power8; then

  4965.         check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8

  4966.     fi

  4967. 

  4968. elif enabled x86; then

  4969. 

  4970.     check_builtin rdtsc    intrin.h   "__rdtsc()"

  4971.     check_builtin mm_empty mmintrin.h "_mm_empty()"

  4972. 

  4973.     enable local_aligned_8 local_aligned_16 local_aligned_32

  4974. 

  4975.     # check whether EBP is available on x86

  4976.     # As 'i' is stored on the stack, this program will crash

  4977.     # if the base pointer is used to access it because the

  4978.     # base pointer is cleared in the inline assembly code.

  4979.     check_exec_crash <<EOF && enable ebp_available

  4980. volatile int i=0;

  4981. __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");

  4982. return i;

  4983. EOF

  4984. 

  4985.     # check whether EBX is available on x86

  4986.     check_inline_asm ebx_available '""::"b"(0)' &&

  4987.         check_inline_asm ebx_available '"":::"%ebx"'

  4988. 

  4989.     # check whether xmm clobbers are supported

  4990.     check_inline_asm xmm_clobbers '"":::"%xmm0"'

  4991. 

  4992.     check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||

  4993.         check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'

  4994. 

  4995.     # check whether binutils is new enough to compile SSSE3/MMXEXT

  4996.     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'

  4997.     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'

  4998. 

  4999.     if ! disabled_any asm mmx yasm; then

  5000.         if check_cmd $yasmexe --version; then

  5001.             enabled x86_64 && yasm_extra="-m amd64"

  5002.             yasm_debug="-g dwarf2"

  5003.         elif check_cmd nasm -v; then

  5004.             yasmexe=nasm

  5005.             yasm_debug="-g -F dwarf"

  5006.             if enabled x86_64; then

  5007.                 case "$objformat" in

  5008.                     elf)   objformat=elf64 ;;

  5009.                     win32) objformat=win64 ;;

  5010.                 esac

  5011.             fi

  5012.         fi

  5013. 

  5014.         YASMFLAGS="-f $objformat $yasm_extra"

  5015.         enabled pic               && append YASMFLAGS "-DPIC"

  5016.         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"

  5017.         case "$objformat" in

  5018.             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;

  5019.         esac

  5020. 

  5021.         check_yasm "movbe ecx, [5]" && enable yasm ||

  5022.             die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."

  5023.         check_yasm "vextracti128 xmm0, ymm0, 0"      || disable avx2_external

  5024.         check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external

  5025.         check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external

  5026.         check_yasm "CPU amdnop" || disable cpunop

  5027.     fi

  5028. 

  5029.     case "$cpu" in

  5030.         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)

  5031.             disable fast_clz

  5032.         ;;

  5033.     esac

  5034. 

  5035. fi

  5036. 

  5037. check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon

  5038. 

  5039. check_ldflags -Wl,--as-needed

  5040. check_ldflags -Wl,-z,noexecstack

  5041. 

  5042. if check_func dlopen; then

  5043.     ldl=

  5044. elif check_func dlopen -ldl; then

  5045.     ldl=-ldl

  5046. fi

  5047. 

  5048. frei0r_filter_extralibs='$ldl'

  5049. frei0r_src_filter_extralibs='$ldl'

  5050. ladspa_filter_extralibs='$ldl'

  5051. nvenc_encoder_extralibs='$ldl'

  5052. 

  5053. if ! disabled network; then

  5054.     check_func getaddrinfo $network_extralibs

  5055.     check_func getservbyport $network_extralibs

  5056.     check_func inet_aton $network_extralibs

  5057. 

  5058.     check_type netdb.h "struct addrinfo"

  5059.     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE

  5060.     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE

  5061.     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE

  5062.     check_type poll.h "struct pollfd"

  5063.     check_type netinet/sctp.h "struct sctp_event_subscribe"

  5064.     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len

  5065.     check_type netinet/in.h "struct sockaddr_in6"

  5066.     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"

  5067.     check_type "sys/types.h sys/socket.h" socklen_t

  5068. 

  5069.     # Prefer arpa/inet.h over winsock2

  5070.     if check_header arpa/inet.h ; then

  5071.         check_func closesocket

  5072.     elif check_header winsock2.h ; then

  5073.         check_func_headers winsock2.h closesocket -lws2 &&

  5074.             network_extralibs="-lws2" ||

  5075.         { check_func_headers winsock2.h closesocket -lws2_32 &&

  5076.             network_extralibs="-lws2_32"; } || disable winsock2_h network

  5077.         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs

  5078. 

  5079.         check_type ws2tcpip.h socklen_t

  5080.         check_type ws2tcpip.h "struct addrinfo"

  5081.         check_type ws2tcpip.h "struct group_source_req"

  5082.         check_type ws2tcpip.h "struct ip_mreq_source"

  5083.         check_type ws2tcpip.h "struct ipv6_mreq"

  5084.         check_type winsock2.h "struct pollfd"

  5085.         check_struct winsock2.h "struct sockaddr" sa_len

  5086.         check_type ws2tcpip.h "struct sockaddr_in6"

  5087.         check_type ws2tcpip.h "struct sockaddr_storage"

  5088.     else

  5089.         disable network

  5090.     fi

  5091. fi

  5092. 

  5093. check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"

  5094. check_builtin atomic_compare_exchange "" "int *ptr, *oldval; int newval; __atomic_compare_exchange_n(ptr, oldval, newval, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)"

  5095. check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"

  5096. check_builtin MemoryBarrier windows.h "MemoryBarrier()"

  5097. check_builtin sarestart signal.h "SA_RESTART"

  5098. check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"

  5099. check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"

  5100. check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"

  5101. 

  5102. case "$custom_allocator" in

  5103.     jemalloc)

  5104.         # jemalloc by default does not use a prefix

  5105.         require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc

  5106.     ;;

  5107.     tcmalloc)

  5108.         require_pkg_config libtcmalloc gperftools/tcmalloc.h tc_malloc

  5109.         malloc_prefix=tc_

  5110.     ;;

  5111. esac

  5112. 

  5113. check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc

  5114. check_func  ${malloc_prefix}memalign            && enable memalign

  5115. check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign

  5116. 

  5117. check_func  access

  5118. check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  5119. check_func  fcntl

  5120. check_func  fork

  5121. check_func  gethrtime

  5122. check_func  getopt

  5123. check_func  getrusage

  5124. check_func  gettimeofday

  5125. check_func  isatty

  5126. check_func  mach_absolute_time

  5127. check_func  mkstemp

  5128. check_func  mmap

  5129. check_func  mprotect

  5130. # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that

  5131. check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  5132. check_func  sched_getaffinity

  5133. check_func  setrlimit

  5134. check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE

  5135. check_func  strerror_r

  5136. check_func  sysconf

  5137. check_func  sysctl

  5138. check_func  usleep

  5139. 

  5140. check_func_headers conio.h kbhit

  5141. check_func_headers io.h setmode

  5142. check_func_headers lzo/lzo1x.h lzo1x_999_compress

  5143. check_func_headers stdlib.h getenv

  5144. check_func_headers sys/stat.h lstat

  5145. 

  5146. check_func_headers windows.h CoTaskMemFree -lole32

  5147. check_func_headers windows.h GetProcessAffinityMask

  5148. check_func_headers windows.h GetProcessTimes

  5149. check_func_headers windows.h GetSystemTimeAsFileTime

  5150. check_func_headers windows.h MapViewOfFile

  5151. check_func_headers windows.h PeekNamedPipe

  5152. check_func_headers windows.h SetConsoleTextAttribute

  5153. check_func_headers windows.h SetConsoleCtrlHandler

  5154. check_func_headers windows.h Sleep

  5155. check_func_headers windows.h VirtualAlloc

  5156. check_struct windows.h "CONDITION_VARIABLE" Ptr

  5157. check_func_headers glob.h glob

  5158. enabled xlib &&

  5159.     check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext

  5160. 

  5161. check_header direct.h

  5162. check_header dirent.h

  5163. check_header dlfcn.h

  5164. check_header d3d11.h

  5165. check_header dxva.h

  5166. check_header dxva2api.h -D_WIN32_WINNT=0x0600

  5167. check_header io.h

  5168. check_header libcrystalhd/libcrystalhd_if.h

  5169. check_header mach/mach_time.h

  5170. check_header malloc.h

  5171. check_header net/udplite.h

  5172. check_header poll.h

  5173. check_header sys/mman.h

  5174. check_header sys/param.h

  5175. check_header sys/resource.h

  5176. check_header sys/select.h

  5177. check_header sys/time.h

  5178. check_header sys/un.h

  5179. check_header termios.h

  5180. check_header unistd.h

  5181. check_header valgrind/valgrind.h

  5182. check_header vdpau/vdpau.h

  5183. check_header vdpau/vdpau_x11.h

  5184. check_header VideoDecodeAcceleration/VDADecoder.h

  5185. check_header VideoToolbox/VideoToolbox.h

  5186. check_header windows.h

  5187. check_header X11/extensions/XvMClib.h

  5188. check_header asm/types.h

  5189. 

  5190. check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32

  5191. check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32

  5192. check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi

  5193. check_lib "CoreServices/CoreServices.h" UTGetOSTypeFromString "-framework CoreServices"

  5194. 

  5195. check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss

  5196. 

  5197. check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0

  5198. check_type "windows.h d3d11.h" "ID3D11VideoDecoder"

  5199. check_type "windows.h d3d11.h" "ID3D11VideoContext"

  5200. check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602

  5201. 

  5202. check_type "va/va.h" "VAPictureParameterBufferHEVC"

  5203. 

  5204. check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"

  5205. 

  5206. if ! disabled w32threads && ! enabled pthreads; then

  5207.     check_func_headers "windows.h process.h" _beginthreadex &&

  5208.         enable w32threads || disable w32threads

  5209. fi

  5210. 

  5211. # check for some common methods of building with pthread support

  5212. # do this before the optional library checks as some of them require pthreads

  5213. if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then

  5214.     enable pthreads

  5215.     if check_func pthread_join -pthread && check_func pthread_create -pthread; then

  5216.         add_cflags -pthread

  5217.         add_extralibs -pthread

  5218.     elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then

  5219.         add_cflags -pthreads

  5220.         add_extralibs -pthreads

  5221.     elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then

  5222.         add_cflags -ldl -pthread

  5223.         add_extralibs -ldl -pthread

  5224.     elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then

  5225.         add_extralibs -lpthreadGC2

  5226.     elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then

  5227.         :

  5228.     elif ! check_func pthread_join && ! check_func pthread_create; then

  5229.         disable pthreads

  5230.     fi

  5231.     check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads

  5232. fi

  5233. 

  5234. 

  5235. if enabled pthreads; then

  5236.   check_func pthread_cancel

  5237. fi

  5238. 

  5239. disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib

  5240. disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib

  5241. disabled  lzma || check_lib2  lzma.h lzma_version_number -llzma || disable lzma

  5242. 

  5243. check_lib math.h sin -lm && LIBM="-lm"

  5244. disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd

  5245. 

  5246. atan2f_args=2

  5247. copysign_args=2

  5248. ldexpf_args=2

  5249. powf_args=2

  5250. 

  5251. for func in $MATH_FUNCS; do

  5252.     eval check_mathfunc $func \${${func}_args:-1}

  5253. done

  5254. 

  5255. # these are off by default, so fail if requested and not available

  5256. enabled avfoundation_indev && { check_header_oc AVFoundation/AVFoundation.h || disable avfoundation_indev; }

  5257. enabled avfoundation_indev && { check_lib2 CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||

  5258.                                 check_lib2 ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }

  5259. enabled avisynth          && { { check_lib2 "windows.h" LoadLibrary; } ||

  5260.                                { check_lib2 "dlfcn.h" dlopen -ldl; } ||

  5261.                                die "ERROR: LoadLibrary/dlopen not found for avisynth"; }

  5262. enabled chromaprint       && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint

  5263. enabled decklink          && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }

  5264. enabled frei0r            && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }

  5265. enabled gnutls            && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init

  5266. enabled ladspa            && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }

  5267. enabled libiec61883       && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883

  5268. enabled libaacplus        && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus

  5269. enabled libass            && require_pkg_config libass ass/ass.h ass_library_init

  5270. enabled libbluray         && require_pkg_config libbluray libbluray/bluray.h bd_open

  5271. enabled libbs2b           && require_pkg_config libbs2b bs2b.h bs2b_open

  5272. enabled libcelt           && require libcelt celt/celt.h celt_decode -lcelt0 &&

  5273.                              { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||

  5274.                                die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }

  5275. enabled libcaca           && require_pkg_config caca caca.h caca_create_canvas

  5276. enabled libdcadec         && require_pkg_config dcadec libdcadec/dca_context.h dcadec_context_create &&

  5277.                              check_struct libdcadec/dca_context.h "struct dcadec_exss_info" matrix_encoding

  5278. enabled libfaac           && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac

  5279. enabled libfdk_aac        && { use_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||

  5280.                                { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&

  5281.                                  warn "using libfdk without pkg-config"; } }

  5282. 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"

  5283. enabled libflite          && require2 libflite "flite/flite.h" flite_init $flite_libs

  5284. enabled fontconfig        && enable libfontconfig

  5285. enabled libfontconfig     && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit

  5286. enabled libfreetype       && require_libfreetype

  5287. enabled libfribidi        && require_pkg_config fribidi fribidi.h fribidi_version_info

  5288. enabled libgme            && require  libgme gme/gme.h gme_new_emu -lgme -lstdc++

  5289. enabled libgsm            && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do

  5290.                                    check_lib "${gsm_hdr}" gsm_create -lgsm && break;

  5291.                                done || die "ERROR: libgsm not found"; }

  5292. enabled libilbc           && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc

  5293. enabled libkvazaar        && require_pkg_config "kvazaar >= 0.7.0" kvazaar.h kvz_api_get

  5294. enabled libmfx            && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit

  5295. enabled libmodplug        && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load

  5296. enabled libmp3lame        && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame

  5297. enabled libnut            && require libnut libnut.h nut_demuxer_init -lnut

  5298. enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb

  5299. enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb

  5300. enabled libopencv         && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader

  5301. enabled libopenh264       && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion

  5302. enabled libopenjpeg       && { check_lib openjpeg.h opj_version -lopenmj2 -DOPJ_STATIC ||

  5303.                                check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  5304.                                check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  5305.                                die "ERROR: libopenjpeg not found"; }

  5306. enabled libopus           && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create

  5307. enabled libpulse          && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new

  5308. enabled libquvi           && require_pkg_config libquvi quvi/quvi.h quvi_init

  5309. enabled librtmp           && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket

  5310. enabled librubberband     && require_pkg_config "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new

  5311. enabled libschroedinger   && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init

  5312. enabled libshine          && require_pkg_config shine shine/layer3.h shine_encode_buffer

  5313. enabled libsmbclient      && { use_pkg_config smbclient libsmbclient.h smbc_init ||

  5314.                                require smbclient libsmbclient.h smbc_init -lsmbclient; }

  5315. enabled libsnappy         && require snappy snappy-c.h snappy_compress -lsnappy

  5316. enabled libsoxr           && require libsoxr soxr.h soxr_create -lsoxr && LIBSOXR="-lsoxr"

  5317. enabled libssh            && require_pkg_config libssh libssh/sftp.h sftp_init

  5318. enabled libspeex          && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex

  5319. enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h

  5320.     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h

  5321.     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static

  5322. enabled libtesseract      && require_pkg_config tesseract tesseract/capi.h TessBaseAPICreate

  5323. enabled libtheora         && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg

  5324. enabled libtwolame        && require libtwolame twolame.h twolame_init -ltwolame &&

  5325.                              { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||

  5326.                                die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }

  5327. enabled libutvideo        && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++

  5328. enabled libv4l2           && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl

  5329. enabled libvidstab        && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit

  5330. enabled libvo_aacenc      && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc

  5331. enabled libvo_amrwbenc    && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc

  5332. enabled libvorbis         && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg

  5333. 

  5334. enabled libvpx            && {

  5335.     enabled libvpx_vp8_decoder && {

  5336.         use_pkg_config "vpx >= 0.9.1" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||

  5337.             check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||

  5338.                 die "ERROR: libvpx decoder version must be >=0.9.1";

  5339.     }

  5340.     enabled libvpx_vp8_encoder && {

  5341.         use_pkg_config "vpx >= 0.9.7" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||

  5342.             check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||

  5343.                 die "ERROR: libvpx encoder version must be >=0.9.7";

  5344.     }

  5345.     enabled libvpx_vp9_decoder && {

  5346.         use_pkg_config "vpx >= 1.3.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||

  5347.             check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx ||

  5348.                 disable libvpx_vp9_decoder;

  5349.     }

  5350.     enabled libvpx_vp9_encoder && {

  5351.         use_pkg_config "vpx >= 1.3.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||

  5352.             check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx ||

  5353.                 disable libvpx_vp9_encoder;

  5354.     }

  5355.     if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then

  5356.         die "libvpx enabled but no supported decoders found"

  5357.     fi

  5358. }

  5359. 

  5360. enabled libwavpack        && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput  -lwavpack

  5361. enabled libwebp           && {

  5362.     enabled libwebp_encoder      && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion

  5363.     enabled libwebp_anim_encoder && { use_pkg_config "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit || disable libwebp_anim_encoder; } }

  5364. enabled libx264           && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||

  5365.                                { require libx264 x264.h x264_encoder_encode -lx264 &&

  5366.                                  warn "using libx264 without pkg-config"; } } &&

  5367.                              { check_cpp_condition x264.h "X264_BUILD >= 118" ||

  5368.                                die "ERROR: libx264 must be installed and version must be >= 0.118."; } &&

  5369.                              { check_cpp_condition x264.h "X264_MPEG2" &&

  5370.                                enable libx262; }

  5371. enabled libx265           && require_pkg_config x265 x265.h x265_api_get &&

  5372.                              { check_cpp_condition x265.h "X265_BUILD >= 57" ||

  5373.                                die "ERROR: libx265 version must be >= 57."; }

  5374. enabled libxavs           && require libxavs xavs.h xavs_encoder_encode -lxavs

  5375. enabled libxvid           && require libxvid xvid.h xvid_global -lxvidcore

  5376. enabled libzmq            && require_pkg_config libzmq zmq.h zmq_ctx_new

  5377. enabled libzvbi           && require libzvbi libzvbi.h vbi_decoder_new -lzvbi

  5378. enabled mmal              && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||

  5379.                                 { ! enabled cross_compile && {

  5380.                                     add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;

  5381.                                     add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;

  5382.                                     check_lib interface/mmal/mmal.h mmal_port_connect ; }

  5383.                                 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||

  5384.                                die "ERROR: mmal not found"; }

  5385. enabled nvenc             && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; } &&

  5386.                              { check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 5" ||

  5387.                                die "ERROR: NVENC API version 4 or older is not supported"; } &&

  5388.                              { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }

  5389. enabled openal            && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do

  5390.                                check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||

  5391.                                die "ERROR: openal not found"; } &&

  5392.                              { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||

  5393.                                die "ERROR: openal must be installed and version must be 1.1 or compatible"; }

  5394. enabled opencl            && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||

  5395.                                check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||

  5396.                                die "ERROR: opencl not found"; } &&

  5397.                              { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||

  5398.                                check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||

  5399.                                die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }

  5400. enabled opengl            && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||

  5401.                                check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||

  5402.                                check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||

  5403.                                check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||

  5404.                                die "ERROR: opengl not found."

  5405.                              }

  5406. enabled openssl           && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||

  5407.                                check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||

  5408.                                check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||

  5409.                                die "ERROR: openssl not found"; }

  5410. enabled qtkit_indev      && { check_header_oc QTKit/QTKit.h || disable qtkit_indev; }

  5411. 

  5412. if enabled gnutls; then

  5413.     { check_lib2 gmp.h mpz_export -lgmp && enable gmp; } ||

  5414.     { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }

  5415. fi

  5416. 

  5417. # libdc1394 check

  5418. if enabled libdc1394; then

  5419.     { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&

  5420.         enable libdc1394_2; } ||

  5421.     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&

  5422.         enable libdc1394_1; } ||

  5423.     die "ERROR: No version of libdc1394 found "

  5424. fi

  5425. if ! disabled sdl; then

  5426.     SDL_CONFIG="${cross_prefix}sdl-config"

  5427.     if check_pkg_config sdl SDL_events.h SDL_PollEvent; then

  5428.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5429.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5430.         enable sdl

  5431.     else

  5432.         if "${SDL_CONFIG}" --version > /dev/null 2>&1; then

  5433.             sdl_cflags=$("${SDL_CONFIG}" --cflags)

  5434.             sdl_libs=$("${SDL_CONFIG}" --libs)

  5435.             check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&

  5436.             check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5437.             check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5438.             enable sdl

  5439.         elif enabled sdl ; then

  5440.             die "ERROR: SDL not found"

  5441.         else

  5442.             disable sdl

  5443.         fi

  5444.     fi

  5445.     if test $target_os = "mingw32"; then

  5446.         sdl_libs="$sdl_libs -mconsole"

  5447.     fi

  5448. fi

  5449. enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs

  5450. 

  5451. disabled securetransport || { check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&

  5452.     check_lib2 "Security/SecureTransport.h Security/Security.h" "SSLCreateContext SecItemImport" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&

  5453.     enable securetransport; }

  5454. 

  5455. makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo

  5456. enabled makeinfo \

  5457.     && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \

  5458.     && enable makeinfo_html || disable makeinfo_html

  5459. disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html

  5460. perl -v            > /dev/null 2>&1 && enable perl      || disable perl

  5461. pod2man --help     > /dev/null 2>&1 && enable pod2man   || disable pod2man

  5462. rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout

  5463. 

  5464. check_header linux/fb.h

  5465. check_header linux/videodev.h

  5466. check_header linux/videodev2.h

  5467. check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5468. 

  5469. check_header sys/videoio.h

  5470. check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5471. 

  5472. check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"

  5473. # check that WM_CAP_DRIVER_CONNECT is defined to the proper value

  5474. # w32api 3.12 had it defined wrong

  5475. check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines

  5476. 

  5477. check_type "dshow.h" IBaseFilter

  5478. 

  5479. # check for ioctl_meteor.h, ioctl_bt848.h and alternatives

  5480. { check_header dev/bktr/ioctl_meteor.h &&

  5481.   check_header dev/bktr/ioctl_bt848.h; } ||

  5482. { check_header machine/ioctl_meteor.h &&

  5483.   check_header machine/ioctl_bt848.h; } ||

  5484. { check_header dev/video/meteor/ioctl_meteor.h &&

  5485.   check_header dev/video/bktr/ioctl_bt848.h; } ||

  5486. check_header dev/ic/bt8xx.h

  5487. 

  5488. check_header sndio.h

  5489. if check_struct sys/soundcard.h audio_buf_info bytes; then

  5490.     enable_safe sys/soundcard.h

  5491. else

  5492.     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h

  5493.     #include <sys/soundcard.h>

  5494.     audio_buf_info abc;

  5495. EOF

  5496. fi

  5497. check_header soundcard.h

  5498. 

  5499. enabled_any alsa_indev alsa_outdev &&

  5500.     check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound

  5501. 

  5502. enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&

  5503.     check_func jack_port_get_latency_range -ljack

  5504. 

  5505. enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio

  5506. 

  5507. if enabled libcdio; then

  5508.     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5509.     check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5510.     die "ERROR: No usable libcdio/cdparanoia found"

  5511. fi

  5512. 

  5513. enabled xlib &&

  5514.     check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib

  5515. 

  5516. if ! disabled libxcb; then

  5517.     check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {

  5518.         enabled libxcb && die "ERROR: libxcb >= 1.4 not found";

  5519.     } && disable x11grab && enable libxcb

  5520. 

  5521. if enabled libxcb; then

  5522.     disabled libxcb_shm || {

  5523.         check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {

  5524.             enabled libxcb_shm && die "ERROR: libxcb_shm not found";

  5525.         } && check_header sys/shm.h && enable libxcb_shm; }

  5526. 

  5527.     disabled libxcb_xfixes || {

  5528.         check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {

  5529.             enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";

  5530.         } && enable libxcb_xfixes; }

  5531. 

  5532.     disabled libxcb_shape || {

  5533.         check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {

  5534.             enabled libxcb_shape && die "ERROR: libxcb_shape not found";

  5535.         } && enable libxcb_shape; }

  5536. 

  5537.     add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags

  5538.     add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs

  5539. fi

  5540. fi

  5541. 

  5542. if enabled x11grab; then

  5543.     enabled xlib || die "ERROR: Xlib not found"

  5544.     require Xext X11/extensions/XShm.h XShmCreateImage -lXext

  5545.     require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes

  5546. fi

  5547. 

  5548. check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"

  5549. 

  5550. enabled dxva2api_h &&

  5551.     check_cc <<EOF && enable dxva2api_cobj

  5552. #define _WIN32_WINNT 0x0600

  5553. #define COBJMACROS

  5554. #include <windows.h>

  5555. #include <d3d9.h>

  5556. #include <dxva2api.h>

  5557. int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }

  5558. EOF

  5559. 

  5560. enabled vaapi &&

  5561.     check_lib va/va.h vaInitialize -lva ||

  5562.     disable vaapi

  5563. 

  5564. enabled vaapi && enabled xlib &&

  5565.     check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&

  5566.     enable vaapi_x11

  5567. 

  5568. enabled vdpau &&

  5569.     check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||

  5570.     disable vdpau

  5571. 

  5572. enabled vdpau && enabled xlib &&

  5573.     check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&

  5574.     prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&

  5575.     enable vdpau_x11

  5576. 

  5577. # Funny iconv installations are not unusual, so check it after all flags have been set

  5578. disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv

  5579. 

  5580. enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"

  5581. 

  5582. # add some useful compiler flags if supported

  5583. check_cflags -Wdeclaration-after-statement

  5584. check_cflags -Wall

  5585. check_cflags -Wdisabled-optimization

  5586. check_cflags -Wpointer-arith

  5587. check_cflags -Wredundant-decls

  5588. check_cflags -Wwrite-strings

  5589. check_cflags -Wtype-limits

  5590. check_cflags -Wundef

  5591. check_cflags -Wmissing-prototypes

  5592. check_cflags -Wno-pointer-to-int-cast

  5593. check_cflags -Wstrict-prototypes

  5594. check_cflags -Wempty-body

  5595. enabled extra_warnings && check_cflags -Winline

  5596. 

  5597. check_disable_warning(){

  5598.     warning_flag=-W${1#-Wno-}

  5599.     test_cflags $warning_flag && add_cflags $1

  5600. }

  5601. 

  5602. check_disable_warning -Wno-parentheses

  5603. check_disable_warning -Wno-switch

  5604. check_disable_warning -Wno-format-zero-length

  5605. check_disable_warning -Wno-pointer-sign

  5606. 

  5607. # add some linker flags

  5608. check_ldflags -Wl,--warn-common

  5609. check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample

  5610. enabled rpath && add_ldexeflags -Wl,-rpath,$libdir

  5611. enabled rpath && add_ldlibflags -Wl,-rpath,$libdir

  5612. test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic

  5613. 

  5614. # add some strip flags

  5615. # -wN '..@*' is more selective than -x, but not available everywhere.

  5616. check_stripflags -wN \'..@*\' || check_stripflags -x

  5617. 

  5618. enabled neon_clobber_test &&

  5619.     check_ldflags -Wl,--wrap,avcodec_open2              \

  5620.                   -Wl,--wrap,avcodec_decode_audio4      \

  5621.                   -Wl,--wrap,avcodec_decode_video2      \

  5622.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  5623.                   -Wl,--wrap,avcodec_encode_audio2      \

  5624.                   -Wl,--wrap,avcodec_encode_video2      \

  5625.                   -Wl,--wrap,avcodec_encode_subtitle    \

  5626.                   -Wl,--wrap,swr_convert                \

  5627.                   -Wl,--wrap,avresample_convert ||

  5628.     disable neon_clobber_test

  5629. 

  5630. enabled xmm_clobber_test &&

  5631.     check_ldflags -Wl,--wrap,avcodec_open2              \

  5632.                   -Wl,--wrap,avcodec_decode_audio4      \

  5633.                   -Wl,--wrap,avcodec_decode_video2      \

  5634.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  5635.                   -Wl,--wrap,avcodec_encode_audio2      \

  5636.                   -Wl,--wrap,avcodec_encode_video2      \

  5637.                   -Wl,--wrap,avcodec_encode_subtitle    \

  5638.                   -Wl,--wrap,swr_convert                \

  5639.                   -Wl,--wrap,avresample_convert         \

  5640.                   -Wl,--wrap,sws_scale ||

  5641.     disable xmm_clobber_test

  5642. 

  5643. echo "X{};" > $TMPV

  5644. if test_ldflags -Wl,--version-script,$TMPV; then

  5645.     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'

  5646.     check_cc <<EOF && enable symver_asm_label

  5647. void ff_foo(void) __asm__ ("av_foo@VERSION");

  5648. void ff_foo(void) { ${inline_asm+__asm__($quotes);} }

  5649. EOF

  5650.     check_cc <<EOF && enable symver_gnu_asm

  5651. __asm__(".symver ff_foo,av_foo@VERSION");

  5652. void ff_foo(void) {}

  5653. EOF

  5654. fi

  5655. 

  5656. if [ -z "$optflags" ]; then

  5657.     if enabled small; then

  5658.         optflags=$cflags_size

  5659.     elif enabled optimizations; then

  5660.         optflags=$cflags_speed

  5661.     else

  5662.         optflags=$cflags_noopt

  5663.     fi

  5664. fi

  5665. 

  5666. check_optflags(){

  5667.     check_cflags "$@"

  5668.     enabled lto && check_ldflags "$@"

  5669. }

  5670. 

  5671. 

  5672. if enabled lto; then

  5673.     test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"

  5674.     check_cflags  -flto

  5675.     check_ldflags -flto $cpuflags

  5676.     disable inline_asm_direct_symbol_refs

  5677. fi

  5678. 

  5679. check_optflags $optflags

  5680. check_optflags -fno-math-errno

  5681. check_optflags -fno-signed-zeros

  5682. 

  5683. enabled ftrapv && check_cflags -ftrapv

  5684. 

  5685. check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"

  5686. int x;

  5687. EOF

  5688. 

  5689. 

  5690. if enabled icc; then

  5691.     # Just warnings, no remarks

  5692.     check_cflags -w1

  5693.     # -wd: Disable following warnings

  5694.     # 144, 167, 556: -Wno-pointer-sign

  5695.     # 188: enumerated type mixed with another type

  5696.     # 1292: attribute "foo" ignored

  5697.     # 1419: external declaration in primary source file

  5698.     # 10006: ignoring unknown option -fno-signed-zeros

  5699.     # 10148: ignoring unknown option -Wno-parentheses

  5700.     # 10156: ignoring option '-W'; no argument required

  5701.     # 13200: No EMMS instruction before call to function

  5702.     # 13203: No EMMS instruction before return from function

  5703.     check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203

  5704.     # 11030: Warning unknown option --as-needed

  5705.     # 10156: ignoring option '-export'; no argument required

  5706.     check_ldflags -wd10156,11030

  5707.     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test

  5708.     enable ebp_available

  5709.     # The test above does not test linking

  5710.     enabled lto && disable symver_asm_label

  5711.     if enabled x86_32; then

  5712.         icc_version=$($cc -dumpversion)

  5713.         test ${icc_version%%.*} -ge 11 &&

  5714.             check_cflags -falign-stack=maintain-16-byte ||

  5715.             disable aligned_stack

  5716.     fi

  5717. elif enabled ccc; then

  5718.     # disable some annoying warnings

  5719.     add_cflags -msg_disable bitnotint

  5720.     add_cflags -msg_disable mixfuncvoid

  5721.     add_cflags -msg_disable nonstandcast

  5722.     add_cflags -msg_disable unsupieee

  5723. elif enabled gcc; then

  5724.     check_optflags -fno-tree-vectorize

  5725.     check_cflags -Werror=format-security

  5726.     check_cflags -Werror=implicit-function-declaration

  5727.     check_cflags -Werror=missing-prototypes

  5728.     check_cflags -Werror=return-type

  5729.     check_cflags -Werror=vla

  5730.     check_cflags -Wformat

  5731.     check_cflags -fdiagnostics-color=auto

  5732.     enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized

  5733. elif enabled llvm_gcc; then

  5734.     check_cflags -mllvm -stack-alignment=16

  5735. elif enabled clang; then

  5736.     check_cflags -mllvm -stack-alignment=16

  5737.     check_cflags -Qunused-arguments

  5738.     check_cflags -Werror=implicit-function-declaration

  5739.     check_cflags -Werror=missing-prototypes

  5740.     check_cflags -Werror=return-type

  5741. elif enabled cparser; then

  5742.     add_cflags -Wno-missing-variable-declarations

  5743.     add_cflags -Wno-empty-statement

  5744. elif enabled armcc; then

  5745.     add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat

  5746.     add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir

  5747.     # 2523: use of inline assembly is deprecated

  5748.     add_cflags -W${armcc_opt},--diag_suppress=2523

  5749.     add_cflags -W${armcc_opt},--diag_suppress=1207

  5750.     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition

  5751.     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat

  5752.     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign

  5753.     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign

  5754. elif enabled tms470; then

  5755.     add_cflags -pds=824 -pds=837

  5756.     disable inline_asm

  5757. elif enabled pathscale; then

  5758.     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF

  5759. elif enabled_any msvc icl; then

  5760.     enabled x86_32 && disable aligned_stack

  5761.     enabled_all x86_32 debug && add_cflags -Oy-

  5762.     enabled debug && add_ldflags -debug

  5763.     enable pragma_deprecated

  5764.     if enabled icl; then

  5765.         # -Qansi-alias is basically -fstrict-aliasing, but does not work

  5766.         # (correctly) on icl 13.x.

  5767.         check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&

  5768.             add_cflags -Qansi-alias

  5769.         # Some inline asm is not compilable in debug

  5770.         if enabled debug; then

  5771.             disable ebp_available

  5772.             disable ebx_available

  5773.         fi

  5774.     fi

  5775.     # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.

  5776.     check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2

  5777.     # The CRT headers contain __declspec(restrict) in a few places, but if redefining

  5778.     # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)

  5779.     # (as it ends up if the restrict redefine is done before including stdlib.h), while

  5780.     # MSVC 2013 and newer can handle it fine.

  5781.     # If this declspec fails, force including stdlib.h before the restrict redefinition

  5782.     # happens in config.h.

  5783.     if [ $_restrict != restrict ]; then

  5784.         check_cc <<EOF || add_cflags -FIstdlib.h

  5785. __declspec($_restrict) void* foo(int);

  5786. EOF

  5787.     fi

  5788.     check_func strtoll || add_cflags -Dstrtoll=_strtoi64

  5789. fi

  5790. 

  5791. for pfx in "" host_; do

  5792.     varname=${pfx%_}cc_type

  5793.     eval "type=\$$varname"

  5794.     if [ $type = "msvc" ]; then

  5795.         check_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline

  5796. static inline int foo(int a) { return a; }

  5797. EOF

  5798.     fi

  5799. done

  5800. 

  5801. case $as_type in

  5802.     clang)

  5803.         add_asflags -Qunused-arguments

  5804.     ;;

  5805. esac

  5806. 

  5807. case $ld_type in

  5808.     clang)

  5809.         check_ldflags -Qunused-arguments

  5810.     ;;

  5811. esac

  5812. 

  5813. case $target_os in

  5814.     osf1)

  5815.         enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'

  5816.     ;;

  5817.     plan9)

  5818.         add_cppflags -Dmain=plan9_main

  5819.     ;;

  5820. esac

  5821. 

  5822. enable frame_thread_encoder

  5823. 

  5824. enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }

  5825. 

  5826. check_deps $CONFIG_LIST       \

  5827.            $CONFIG_EXTRA      \

  5828.            $HAVE_LIST         \

  5829.            $ALL_COMPONENTS    \

  5830. 

  5831. 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"

  5832. 

  5833. 

  5834. if test $target_os = "haiku"; then

  5835.     disable memalign

  5836.     disable posix_memalign

  5837. fi

  5838. 

  5839. enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&

  5840.     prepend ffmpeg_libs $($ldflags_filter "-lole32" "-luser32") &&

  5841.     enable dxva2_lib

  5842. 

  5843. ! enabled_any memalign posix_memalign aligned_malloc &&

  5844.     enabled simd_align_16 && enable memalign_hack

  5845. 

  5846. # add_dep lib dep

  5847. # -> enable ${lib}_deps_${dep}

  5848. # -> add $dep to ${lib}_deps only once

  5849. add_dep() {

  5850.     lib=$1

  5851.     dep=$2

  5852.     enabled "${lib}_deps_${dep}" && return 0

  5853.     enable  "${lib}_deps_${dep}"

  5854.     prepend "${lib}_deps" $dep

  5855. }

  5856. 

  5857. # merge deps lib components

  5858. # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*

  5859. merge_deps() {

  5860.     lib=$1

  5861.     shift

  5862.     for comp in $*; do

  5863.         enabled $comp || continue

  5864.         eval "dep=\"\$${comp}_deps\""

  5865.         for d in $dep; do

  5866.             add_dep $lib $d

  5867.         done

  5868.     done

  5869. }

  5870. 

  5871. merge_deps libavfilter $FILTER_LIST

  5872. 

  5873. map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST

  5874. 

  5875. for thread in $THREADS_LIST; do

  5876.     if enabled $thread; then

  5877.         test -n "$thread_type" &&

  5878.             die "ERROR: Only one thread type must be selected." ||

  5879.             thread_type="$thread"

  5880.     fi

  5881. done

  5882. 

  5883. enabled zlib && add_cppflags -DZLIB_CONST

  5884. 

  5885. # conditional library dependencies, in linking order

  5886. enabled amovie_filter       && prepend avfilter_deps "avformat avcodec"

  5887. enabled aresample_filter    && prepend avfilter_deps "swresample"

  5888. enabled asyncts_filter      && prepend avfilter_deps "avresample"

  5889. enabled atempo_filter       && prepend avfilter_deps "avcodec"

  5890. enabled cover_rect_filter   && prepend avfilter_deps "avformat avcodec"

  5891. enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"

  5892. enabled elbg_filter         && prepend avfilter_deps "avcodec"

  5893. enabled fftfilt_filter      && prepend avfilter_deps "avcodec"

  5894. enabled find_rect_filter    && prepend avfilter_deps "avformat avcodec"

  5895. enabled mcdeint_filter      && prepend avfilter_deps "avcodec"

  5896. enabled movie_filter    && prepend avfilter_deps "avformat avcodec"

  5897. enabled pan_filter          && prepend avfilter_deps "swresample"

  5898. enabled pp_filter           && prepend avfilter_deps "postproc"

  5899. enabled removelogo_filter   && prepend avfilter_deps "avformat avcodec swscale"

  5900. enabled resample_filter && prepend avfilter_deps "avresample"

  5901. enabled sab_filter          && prepend avfilter_deps "swscale"

  5902. enabled scale_filter    && prepend avfilter_deps "swscale"

  5903. enabled scale2ref_filter    && prepend avfilter_deps "swscale"

  5904. enabled showspectrum_filter && prepend avfilter_deps "avcodec"

  5905. enabled smartblur_filter    && prepend avfilter_deps "swscale"

  5906. enabled subtitles_filter    && prepend avfilter_deps "avformat avcodec"

  5907. enabled uspp_filter         && prepend avfilter_deps "avcodec"

  5908. 

  5909. enabled lavfi_indev         && prepend avdevice_deps "avfilter"

  5910. 

  5911. enabled opus_decoder    && prepend avcodec_deps "swresample"

  5912. 

  5913. expand_deps(){

  5914.     lib_deps=${1}_deps

  5915.     eval "deps=\$$lib_deps"

  5916.     append $lib_deps $(map 'eval echo \$${v}_deps' $deps)

  5917.     unique $lib_deps

  5918. }

  5919. 

  5920. #we have to remove gpl from the deps here as some code assumes all lib deps are libs

  5921. postproc_deps="$(filter_out 'gpl' $postproc_deps)"

  5922. 

  5923. map 'expand_deps $v' $LIBRARY_LIST

  5924. 

  5925. echo "install prefix            $prefix"

  5926. echo "source path               $source_path"

  5927. echo "C compiler                $cc"

  5928. echo "C library                 $libc_type"

  5929. if test "$host_cc" != "$cc"; then

  5930.     echo "host C compiler           $host_cc"

  5931.     echo "host C library            $host_libc_type"

  5932. fi

  5933. echo "ARCH                      $arch ($cpu)"

  5934. if test "$build_suffix" != ""; then

  5935.     echo "build suffix              $build_suffix"

  5936. fi

  5937. if test "$progs_suffix" != ""; then

  5938.     echo "progs suffix              $progs_suffix"

  5939. fi

  5940. if test "$extra_version" != ""; then

  5941.     echo "version string suffix     $extra_version"

  5942. fi

  5943. echo "big-endian                ${bigendian-no}"

  5944. echo "runtime cpu detection     ${runtime_cpudetect-no}"

  5945. if enabled x86; then

  5946.     echo "${yasmexe}                      ${yasm-no}"

  5947.     echo "MMX enabled               ${mmx-no}"

  5948.     echo "MMXEXT enabled            ${mmxext-no}"

  5949.     echo "3DNow! enabled            ${amd3dnow-no}"

  5950.     echo "3DNow! extended enabled   ${amd3dnowext-no}"

  5951.     echo "SSE enabled               ${sse-no}"

  5952.     echo "SSSE3 enabled             ${ssse3-no}"

  5953.     echo "AVX enabled               ${avx-no}"

  5954.     echo "XOP enabled               ${xop-no}"

  5955.     echo "FMA3 enabled              ${fma3-no}"

  5956.     echo "FMA4 enabled              ${fma4-no}"

  5957.     echo "i686 features enabled     ${i686-no}"

  5958.     echo "CMOV is fast              ${fast_cmov-no}"

  5959.     echo "EBX available             ${ebx_available-no}"

  5960.     echo "EBP available             ${ebp_available-no}"

  5961. fi

  5962. if enabled aarch64; then

  5963.     echo "NEON enabled              ${neon-no}"

  5964.     echo "VFP enabled               ${vfp-no}"

  5965. fi

  5966. if enabled arm; then

  5967.     echo "ARMv5TE enabled           ${armv5te-no}"

  5968.     echo "ARMv6 enabled             ${armv6-no}"

  5969.     echo "ARMv6T2 enabled           ${armv6t2-no}"

  5970.     echo "VFP enabled               ${vfp-no}"

  5971.     echo "NEON enabled              ${neon-no}"

  5972.     echo "THUMB enabled             ${thumb-no}"

  5973. fi

  5974. if enabled mips; then

  5975.     echo "MIPS FPU enabled          ${mipsfpu-no}"

  5976.     echo "MIPS32R5 enabled          ${mips32r5-no}"

  5977.     echo "MIPS64R6 enabled          ${mips64r6-no}"

  5978.     echo "MIPS DSP R1 enabled       ${mipsdspr1-no}"

  5979.     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"

  5980.     echo "MIPS MSA enabled          ${msa-no}"

  5981.     echo "LOONGSON MMI enabled      ${mmi-no}"

  5982. fi

  5983. if enabled ppc; then

  5984.     echo "AltiVec enabled           ${altivec-no}"

  5985.     echo "VSX enabled               ${vsx-no}"

  5986.     echo "POWER8 enabled            ${power8-no}"

  5987.     echo "PPC 4xx optimizations     ${ppc4xx-no}"

  5988.     echo "dcbzl available           ${dcbzl-no}"

  5989. fi

  5990. echo "debug symbols             ${debug-no}"

  5991. echo "strip symbols             ${stripping-no}"

  5992. echo "optimize for size         ${small-no}"

  5993. echo "optimizations             ${optimizations-no}"

  5994. echo "static                    ${static-no}"

  5995. echo "shared                    ${shared-no}"

  5996. echo "postprocessing support    ${postproc-no}"

  5997. echo "new filter support        ${avfilter-no}"

  5998. echo "network support           ${network-no}"

  5999. echo "threading support         ${thread_type-no}"

  6000. echo "safe bitstream reader     ${safe_bitstream_reader-no}"

  6001. echo "SDL support               ${sdl-no}"

  6002. echo "opencl enabled            ${opencl-no}"

  6003. echo "texi2html enabled         ${texi2html-no}"

  6004. echo "perl enabled              ${perl-no}"

  6005. echo "pod2man enabled           ${pod2man-no}"

  6006. echo "makeinfo enabled          ${makeinfo-no}"

  6007. echo "makeinfo supports HTML    ${makeinfo_html-no}"

  6008. test -n "$random_seed" &&

  6009.     echo "random seed               ${random_seed}"

  6010. echo

  6011. 

  6012. echo "Enabled programs:"

  6013. print_enabled '' $PROGRAM_LIST | print_in_columns

  6014. echo

  6015. 

  6016. echo "External libraries:"

  6017. print_enabled '' $EXTERNAL_LIBRARY_LIST | print_in_columns

  6018. echo

  6019. 

  6020. for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do

  6021.     echo "Enabled ${type}s:"

  6022.     eval list=\$$(toupper $type)_LIST

  6023.     print_enabled '_*' $list | print_in_columns

  6024.     echo

  6025. done

  6026. 

  6027. license="LGPL version 2.1 or later"

  6028. if enabled nonfree; then

  6029.     license="nonfree and unredistributable"

  6030. elif enabled gplv3; then

  6031.     license="GPL version 3 or later"

  6032. elif enabled lgplv3; then

  6033.     license="LGPL version 3 or later"

  6034. elif enabled gpl; then

  6035.     license="GPL version 2 or later"

  6036. fi

  6037. 

  6038. echo "License: $license"

  6039. 

  6040. echo "Creating config.mak, config.h, and doc/config.texi..."

  6041. 

  6042. test -e Makefile || echo "include $source_path/Makefile" > Makefile

  6043. 

  6044. enabled stripping || strip="echo skipping strip"

  6045. 

  6046. config_files="$TMPH config.mak doc/config.texi"

  6047. 

  6048. cat > config.mak <<EOF

  6049. # Automatically generated by configure - do not modify!

  6050. ifndef FFMPEG_CONFIG_MAK

  6051. FFMPEG_CONFIG_MAK=1

  6052. FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION

  6053. prefix=$prefix

  6054. LIBDIR=\$(DESTDIR)$libdir

  6055. SHLIBDIR=\$(DESTDIR)$shlibdir

  6056. INCDIR=\$(DESTDIR)$incdir

  6057. BINDIR=\$(DESTDIR)$bindir

  6058. DATADIR=\$(DESTDIR)$datadir

  6059. DOCDIR=\$(DESTDIR)$docdir

  6060. MANDIR=\$(DESTDIR)$mandir

  6061. PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir

  6062. SRC_PATH=$source_path

  6063. ifndef MAIN_MAKEFILE

  6064. SRC_PATH:=\$(SRC_PATH:.%=..%)

  6065. endif

  6066. CC_IDENT=$cc_ident

  6067. ARCH=$arch

  6068. INTRINSICS=$intrinsics

  6069. CC=$cc

  6070. CXX=$cxx

  6071. AS=$as

  6072. LD=$ld

  6073. DEPCC=$dep_cc

  6074. DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)

  6075. DEPAS=$as

  6076. DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)

  6077. YASM=$yasmexe

  6078. DEPYASM=$yasmexe

  6079. AR=$ar

  6080. ARFLAGS=$arflags

  6081. AR_O=$ar_o

  6082. RANLIB=$ranlib

  6083. STRIP=$strip

  6084. CP=cp -p

  6085. LN_S=$ln_s

  6086. CPPFLAGS=$CPPFLAGS

  6087. CFLAGS=$CFLAGS

  6088. CXXFLAGS=$CXXFLAGS

  6089. ASFLAGS=$ASFLAGS

  6090. AS_C=$AS_C

  6091. AS_O=$AS_O

  6092. CC_C=$CC_C

  6093. CC_E=$CC_E

  6094. CC_O=$CC_O

  6095. CXX_C=$CXX_C

  6096. CXX_O=$CXX_O

  6097. LD_O=$LD_O

  6098. LD_LIB=$LD_LIB

  6099. LD_PATH=$LD_PATH

  6100. DLLTOOL=$dlltool

  6101. WINDRES=$windres

  6102. DEPWINDRES=$dep_cc

  6103. DOXYGEN=$doxygen

  6104. LDFLAGS=$LDFLAGS

  6105. LDEXEFLAGS=$LDEXEFLAGS

  6106. LDLIBFLAGS=$LDLIBFLAGS

  6107. SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))

  6108. ASMSTRIPFLAGS=$ASMSTRIPFLAGS

  6109. YASMFLAGS=$YASMFLAGS

  6110. BUILDSUF=$build_suffix

  6111. PROGSSUF=$progs_suffix

  6112. FULLNAME=$FULLNAME

  6113. LIBPREF=$LIBPREF

  6114. LIBSUF=$LIBSUF

  6115. LIBNAME=$LIBNAME

  6116. SLIBPREF=$SLIBPREF

  6117. SLIBSUF=$SLIBSUF

  6118. EXESUF=$EXESUF

  6119. EXTRA_VERSION=$extra_version

  6120. CCDEP=$CCDEP

  6121. CXXDEP=$CXXDEP

  6122. CCDEP_FLAGS=$CCDEP_FLAGS

  6123. ASDEP=$ASDEP

  6124. ASDEP_FLAGS=$ASDEP_FLAGS

  6125. CC_DEPFLAGS=$CC_DEPFLAGS

  6126. AS_DEPFLAGS=$AS_DEPFLAGS

  6127. HOSTCC=$host_cc

  6128. HOSTLD=$host_ld

  6129. HOSTCFLAGS=$host_cflags

  6130. HOSTCPPFLAGS=$host_cppflags

  6131. HOSTEXESUF=$HOSTEXESUF

  6132. HOSTLDFLAGS=$host_ldflags

  6133. HOSTLIBS=$host_libs

  6134. DEPHOSTCC=$host_cc

  6135. DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)

  6136. HOSTCCDEP=$HOSTCCDEP

  6137. HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS

  6138. HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS

  6139. HOSTCC_C=$HOSTCC_C

  6140. HOSTCC_O=$HOSTCC_O

  6141. HOSTLD_O=$HOSTLD_O

  6142. TARGET_EXEC=$target_exec $target_exec_args

  6143. TARGET_PATH=$target_path

  6144. TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}

  6145. CFLAGS-ffplay=$sdl_cflags

  6146. ZLIB=$($ldflags_filter -lz)

  6147. LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD

  6148. EXTRALIBS=$extralibs

  6149. COMPAT_OBJS=$compat_objs

  6150. EXEOBJS=$exeobjs

  6151. INSTALL=$install

  6152. LIBTARGET=${LIBTARGET}

  6153. SLIBNAME=${SLIBNAME}

  6154. SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}

  6155. SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}

  6156. SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}

  6157. SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}

  6158. SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}

  6159. SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}

  6160. SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}

  6161. SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}

  6162. SAMPLES:=${samples:-\$(FATE_SAMPLES)}

  6163. NOREDZONE_FLAGS=$noredzone_flags

  6164. EOF

  6165. 

  6166. get_version(){

  6167.     lcname=lib${1}

  6168.     name=$(toupper $lcname)

  6169.     file=$source_path/$lcname/version.h

  6170.     eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")

  6171.     enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))

  6172.     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO

  6173.     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak

  6174.     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak

  6175.     eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak

  6176. }

  6177. 

  6178. map 'get_version $v' $LIBRARY_LIST

  6179. 

  6180. map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST

  6181. 

  6182. print_program_libs(){

  6183.     eval "program_libs=\$${1}_libs"

  6184.     eval echo "LIBS-${1}=${program_libs}" >> config.mak

  6185. }

  6186. 

  6187. map 'print_program_libs $v' $PROGRAM_LIST

  6188. 

  6189. cat > $TMPH <<EOF

  6190. /* Automatically generated by configure - do not modify! */

  6191. #ifndef FFMPEG_CONFIG_H

  6192. #define FFMPEG_CONFIG_H

  6193. #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"

  6194. #define FFMPEG_LICENSE "$(c_escape $license)"

  6195. #define CONFIG_THIS_YEAR 2015

  6196. #define FFMPEG_DATADIR "$(eval c_escape $datadir)"

  6197. #define AVCONV_DATADIR "$(eval c_escape $datadir)"

  6198. #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"

  6199. #define av_restrict $_restrict

  6200. #define EXTERN_PREFIX "${extern_prefix}"

  6201. #define EXTERN_ASM ${extern_prefix}

  6202. #define BUILDSUF "$build_suffix"

  6203. #define SLIBSUF "$SLIBSUF"

  6204. #define HAVE_MMX2 HAVE_MMXEXT

  6205. #define SWS_MAX_FILTER_SIZE $sws_max_filter_size

  6206. EOF

  6207. 

  6208. test -n "$assert_level" &&

  6209.     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH

  6210. 

  6211. test -n "$malloc_prefix" &&

  6212.     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH

  6213. 

  6214. if enabled yasm; then

  6215.     append config_files $TMPASM

  6216.     printf '' >$TMPASM

  6217. fi

  6218. 

  6219. enabled getenv || echo "#define getenv(x) NULL" >> $TMPH

  6220. 

  6221. 

  6222. mkdir -p doc

  6223. mkdir -p tests

  6224. mkdir -p tests/api

  6225. echo "@c auto-generated by configure - do not modify! " > doc/config.texi

  6226. 

  6227. print_config ARCH_   "$config_files" $ARCH_LIST

  6228. print_config HAVE_   "$config_files" $HAVE_LIST

  6229. print_config CONFIG_ "$config_files" $CONFIG_LIST       \

  6230.                                      $CONFIG_EXTRA      \

  6231.                                      $ALL_COMPONENTS    \

  6232. 

  6233. echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH

  6234. echo "endif # FFMPEG_CONFIG_MAK" >> config.mak

  6235. 

  6236. # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.

  6237. cp_if_changed $TMPH config.h

  6238. touch .config

  6239. 

  6240. enabled yasm && cp_if_changed $TMPASM config.asm

  6241. 

  6242. cat > $TMPH <<EOF

  6243. /* Generated by ffconf */

  6244. #ifndef AVUTIL_AVCONFIG_H

  6245. #define AVUTIL_AVCONFIG_H

  6246. EOF

  6247. 

  6248. print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB

  6249. 

  6250. echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH

  6251. 

  6252. cp_if_changed $TMPH libavutil/avconfig.h

  6253. 

  6254. if test -n "$WARNINGS"; then

  6255.     printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"

  6256.     enabled fatal_warnings && exit 1

  6257. fi

  6258. 

  6259. # build pkg-config files

  6260. 

  6261. lib_version(){

  6262.     eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""

  6263. }

  6264. 

  6265. pkgconfig_generate(){

  6266.     name=$1

  6267.     shortname=${name#lib}${build_suffix}

  6268.     comment=$2

  6269.     version=$3

  6270.     libs=$4

  6271.     requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))

  6272.     requires=${requires%, }

  6273.     enabled ${name#lib} || return 0

  6274.     mkdir -p $name

  6275.     cat <<EOF > $name/$name${build_suffix}.pc

  6276. prefix=$prefix

  6277. exec_prefix=\${prefix}

  6278. libdir=$libdir

  6279. includedir=$incdir

  6280. 

  6281. Name: $name

  6282. Description: $comment

  6283. Version: $version

  6284. Requires: $(enabled shared || echo $requires)

  6285. Requires.private: $(enabled shared && echo $requires)

  6286. Conflicts:

  6287. Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)

  6288. Libs.private: $(enabled shared && echo $libs)

  6289. Cflags: -I\${includedir}

  6290. EOF

  6291. 

  6292. mkdir -p doc/examples/pc-uninstalled

  6293. includedir=${source_path}

  6294. [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."

  6295.     cat <<EOF > doc/examples/pc-uninstalled/$name.pc

  6296. prefix=

  6297. exec_prefix=

  6298. libdir=\${pcfiledir}/../../../$name

  6299. includedir=${includedir}

  6300. 

  6301. Name: $name

  6302. Description: $comment

  6303. Version: $version

  6304. Requires: $requires

  6305. Conflicts:

  6306. Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)

  6307. Cflags: -I\${includedir}

  6308. EOF

  6309. }

  6310. 

  6311. pkgconfig_generate libavutil     "FFmpeg utility library"               "$LIBAVUTIL_VERSION"     "$LIBRT $LIBM"

  6312. pkgconfig_generate libavcodec    "FFmpeg codec library"                 "$LIBAVCODEC_VERSION"    "$extralibs"

  6313. pkgconfig_generate libavformat   "FFmpeg container format library"      "$LIBAVFORMAT_VERSION"   "$extralibs"

  6314. pkgconfig_generate libavdevice   "FFmpeg device handling library"       "$LIBAVDEVICE_VERSION"   "$extralibs"

  6315. pkgconfig_generate libavfilter   "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION"   "$extralibs"

  6316. pkgconfig_generate libpostproc   "FFmpeg postprocessing library"        "$LIBPOSTPROC_VERSION"   ""

  6317. pkgconfig_generate libavresample "Libav audio resampling library"       "$LIBAVRESAMPLE_VERSION" "$LIBM"

  6318. pkgconfig_generate libswscale    "FFmpeg image rescaling library"       "$LIBSWSCALE_VERSION"    "$LIBM"

  6319. pkgconfig_generate libswresample "FFmpeg audio resampling library"      "$LIBSWRESAMPLE_VERSION" "$LIBM $LIBSOXR"