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FFmpeg
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FFmpeg/configure

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  1. #!/bin/sh

  2. #

  3. # FFmpeg configure script

  4. #

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

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

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

  8. #

  9. 

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

  11. LC_ALL=C

  12. export LC_ALL

  13. 

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

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

  16. 

  17. try_exec(){

  18.     echo "Trying shell $1"

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

  20. }

  21. 

  22. unset foo

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

  24. E1="$?"

  25. 

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

  27. E2="$?"

  28. 

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

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

  31.     export FF_CONF_EXEC

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

  33.         FF_CONF_EXEC=1

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

  35.     fi

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

  37.         FF_CONF_EXEC=2

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

  39.     fi

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

  41.         FF_CONF_EXEC=3

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

  43.     fi

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

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

  46.     echo "such as bash or ksh."

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

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

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

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

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

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

  53.     fi

  54.     exit 1

  55. fi

  56. 

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

  58. 

  59. show_help(){

  60.     cat <<EOF

  61. Usage: configure [options]

  62. Options: [defaults in brackets after descriptions]

  63. 

  64. Help options:

  65.   --help                   print this message

  66.   --list-decoders          show all available decoders

  67.   --list-encoders          show all available encoders

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

  69.   --list-demuxers          show all available demuxers

  70.   --list-muxers            show all available muxers

  71.   --list-parsers           show all available parsers

  72.   --list-protocols         show all available protocols

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

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

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

  76.   --list-filters           show all available filters

  77. 

  78. Standard options:

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

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

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

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

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

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

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

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

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

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

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

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

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

  92.                            not part of the dynamic linker search path

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

  94. 

  95. Licensing options:

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

  97.                            and binaries will be under GPL [no]

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

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

  100.                            and binaries will be unredistributable [no]

  101. 

  102. Configuration options:

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

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

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

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

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

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

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

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

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

  112. 

  113. Program options:

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

  115.   --disable-ffmpeg         disable ffmpeg build

  116.   --disable-ffplay         disable ffplay build

  117.   --disable-ffprobe        disable ffprobe build

  118.   --disable-ffserver       disable ffserver build

  119. 

  120. Documentation options:

  121.   --disable-doc            do not build documentation

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

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

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

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

  126. 

  127. Component options:

  128.   --disable-avdevice       disable libavdevice build

  129.   --disable-avcodec        disable libavcodec build

  130.   --disable-avformat       disable libavformat build

  131.   --disable-swresample     disable libswresample build

  132.   --disable-swscale        disable libswscale build

  133.   --disable-postproc       disable libpostproc build

  134.   --disable-avfilter       disable libavfilter build

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

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

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

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

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

  140.   --disable-dct            disable DCT code

  141.   --disable-dwt            disable DWT code

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

  143.   --disable-lsp            disable LSP code

  144.   --disable-lzo            disable LZO decoder code

  145.   --disable-mdct           disable MDCT code

  146.   --disable-rdft           disable RDFT code

  147.   --disable-fft            disable FFT code

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

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

  150. 

  151. Hardware accelerators:

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

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

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

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

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

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

  158. 

  159. Individual component options:

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

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

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

  163.   --disable-encoders       disable all encoders

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

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

  166.   --disable-decoders       disable all decoders

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

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

  169.   --disable-hwaccels       disable all hwaccels

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

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

  172.   --disable-muxers         disable all muxers

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

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

  175.   --disable-demuxers       disable all demuxers

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

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

  178.   --disable-parsers        disable all parsers

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

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

  181.   --disable-bsfs           disable all bitstream filters

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

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

  184.   --disable-protocols      disable all protocols

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

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

  187.   --disable-indevs         disable input devices

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

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

  190.   --disable-outdevs        disable output devices

  191.   --disable-devices        disable all devices

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

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

  194.   --disable-filters        disable all filters

  195. 

  196. External library support:

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

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

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

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

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

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

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

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

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

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

  207.                            if openssl is not used [no]

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

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

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

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

  212.                            needed for subtitles and ass filter [no]

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

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

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

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

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

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

  219.                            and libraw1394 [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  235.                            native (de)muxer exists [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  263.                            native implementation exists [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  284.   --enable-opencl          enable OpenCL code

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

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

  287.                            if gnutls is not used [no]

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

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

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

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

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

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

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

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

  296. 

  297. Toolchain options:

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

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

  300.                            instruction selection, may crash on older CPUs)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  345. 

  346. Advanced options (experts only):

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

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

  349.   --disable-symver         disable symbol versioning

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

  351.   --disable-safe-bitstream-reader

  352.                            disable buffer boundary checking in bitreaders

  353.                            (faster, but may crash)

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

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

  356. 

  357. Optimization options (experts only):

  358.   --disable-asm            disable all assembly optimizations

  359.   --disable-altivec        disable AltiVec optimizations

  360.   --disable-vsx            disable VSX optimizations

  361.   --disable-power8         disable POWER8 optimizations

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

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

  364.   --disable-mmx            disable MMX optimizations

  365.   --disable-mmxext         disable MMXEXT optimizations

  366.   --disable-sse            disable SSE optimizations

  367.   --disable-sse2           disable SSE2 optimizations

  368.   --disable-sse3           disable SSE3 optimizations

  369.   --disable-ssse3          disable SSSE3 optimizations

  370.   --disable-sse4           disable SSE4 optimizations

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

  372.   --disable-avx            disable AVX optimizations

  373.   --disable-xop            disable XOP optimizations

  374.   --disable-fma3           disable FMA3 optimizations

  375.   --disable-fma4           disable FMA4 optimizations

  376.   --disable-avx2           disable AVX2 optimizations

  377.   --disable-aesni          disable AESNI optimizations

  378.   --disable-armv5te        disable armv5te optimizations

  379.   --disable-armv6          disable armv6 optimizations

  380.   --disable-armv6t2        disable armv6t2 optimizations

  381.   --disable-vfp            disable VFP optimizations

  382.   --disable-neon           disable NEON optimizations

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

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

  385.   --disable-mips64r6       disable MIPS64R6 optimizations

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

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

  388.   --disable-msa            disable MSA optimizations

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

  390.   --disable-mmi            disable Loongson SIMD optimizations

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

  392. 

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

  394.   --disable-debug          disable debugging symbols

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

  396.   --disable-optimizations  disable compiler optimizations

  397.   --enable-extra-warnings  enable more compiler warnings

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

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

  400.                            2 causes a slowdown at runtime.

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

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

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

  404.                            Cannot be combined with --target-exec

  405.   --enable-ftrapv          Trap arithmetic overflows

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

  407.                            \$FATE_SAMPLES at make invocation time.

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

  409.                            used only for debugging purposes)

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

  411.                            should be used only for debugging purposes)

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

  413.   --disable-random

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

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

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

  417.                            (group) and PROB the probability associated with

  418.                            NAME (default 0.5).

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

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

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

  422. 

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

  424. EOF

  425.   exit 0

  426. }

  427. 

  428. quotes='""'

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

  430.     ncolors=$(tput colors)

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

  432.         bold_color=$(tput bold)

  433.         warn_color=$(tput setaf 3)

  434.         error_color=$(tput setaf 1)

  435.         reset_color=$(tput sgr0)

  436.     fi

  437.     # 72 used instead of 80 since that's the default of pr

  438.     ncols=$(tput cols)

  439. fi

  440. : ${ncols:=72}

  441. 

  442. log(){

  443.     echo "$@" >> $logfile

  444. }

  445. 

  446. log_file(){

  447.     log BEGIN $1

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

  449.     log END $1

  450. }

  451. 

  452. warn(){

  453.     log "WARNING: $*"

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

  455. }

  456. 

  457. die(){

  458.     log "$@"

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

  460.     cat <<EOF

  461. 

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

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

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

  465. EOF

  466.     if disabled logging; then

  467.         cat <<EOF

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

  469. include the log this produces with your report.

  470. EOF

  471.     else

  472.         cat <<EOF

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

  474. solve the problem.

  475. EOF

  476.     fi

  477.     exit 1

  478. }

  479. 

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

  481. toupper(){

  482.     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ

  483. }

  484. 

  485. tolower(){

  486.     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz

  487. }

  488. 

  489. c_escape(){

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

  491. }

  492. 

  493. sh_quote(){

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

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

  496.     echo "$v"

  497. }

  498. 

  499. cleanws(){

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

  501. }

  502. 

  503. filter(){

  504.     pat=$1

  505.     shift

  506.     for v; do

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

  508.     done

  509. }

  510. 

  511. filter_out(){

  512.     pat=$1

  513.     shift

  514.     for v; do

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

  516.     done

  517. }

  518. 

  519. map(){

  520.     m=$1

  521.     shift

  522.     for v; do eval $m; done

  523. }

  524. 

  525. add_suffix(){

  526.     suffix=$1

  527.     shift

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

  529. }

  530. 

  531. set_all(){

  532.     value=$1

  533.     shift

  534.     for var in $*; do

  535.         eval $var=$value

  536.     done

  537. }

  538. 

  539. set_weak(){

  540.     value=$1

  541.     shift

  542.     for var; do

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

  544.     done

  545. }

  546. 

  547. sanitize_var_name(){

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

  549. }

  550. 

  551. set_safe(){

  552.     var=$1

  553.     shift

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

  555. }

  556. 

  557. get_safe(){

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

  559. }

  560. 

  561. pushvar(){

  562.     for pvar in $*; do

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

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

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

  566.     done

  567. }

  568. 

  569. popvar(){

  570.     for pvar in $*; do

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

  572.         test $level = 0 && continue

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

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

  575.         eval ${pvar}_level=$level

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

  577.     done

  578. }

  579. 

  580. enable(){

  581.     set_all yes $*

  582. }

  583. 

  584. disable(){

  585.     set_all no $*

  586. }

  587. 

  588. enable_weak(){

  589.     set_weak yes $*

  590. }

  591. 

  592. disable_weak(){

  593.     set_weak no $*

  594. }

  595. 

  596. enable_safe(){

  597.     for var; do

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

  599.     done

  600. }

  601. 

  602. disable_safe(){

  603.     for var; do

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

  605.     done

  606. }

  607. 

  608. do_enable_deep(){

  609.     for var; do

  610.         enabled $var && continue

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

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

  613.         pushvar var sgs

  614.         enable_deep $sel

  615.         popvar sgs

  616.         enable_deep_weak $sgs

  617.         popvar var

  618.     done

  619. }

  620. 

  621. enable_deep(){

  622.     do_enable_deep $*

  623.     enable $*

  624. }

  625. 

  626. enable_deep_weak(){

  627.     for var; do

  628.         disabled $var && continue

  629.         pushvar var

  630.         do_enable_deep $var

  631.         popvar var

  632.         enable_weak $var

  633.     done

  634. }

  635. 

  636. enabled(){

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

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

  639. }

  640. 

  641. disabled(){

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

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

  644. }

  645. 

  646. enabled_all(){

  647.     for opt; do

  648.         enabled $opt || return 1

  649.     done

  650. }

  651. 

  652. disabled_all(){

  653.     for opt; do

  654.         disabled $opt || return 1

  655.     done

  656. }

  657. 

  658. enabled_any(){

  659.     for opt; do

  660.         enabled $opt && return 0

  661.     done

  662. }

  663. 

  664. disabled_any(){

  665.     for opt; do

  666.         disabled $opt && return 0

  667.     done

  668.     return 1

  669. }

  670. 

  671. set_default(){

  672.     for opt; do

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

  674.     done

  675. }

  676. 

  677. is_in(){

  678.     value=$1

  679.     shift

  680.     for var in $*; do

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

  682.     done

  683.     return 1

  684. }

  685. 

  686. do_check_deps(){

  687.     for cfg; do

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

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

  690.         disabled ${cfg}_checking && continue

  691.         enable ${cfg}_checking

  692.         append allopts $cfg

  693. 

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

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

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

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

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

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

  700. 

  701.         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

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

  703.         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

  704. 

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

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

  707.         enabled_all  $dep_all || disable $cfg

  708.         enabled_any  $dep_any || disable $cfg

  709.         disabled_any $dep_sel && disable $cfg

  710. 

  711.         if enabled $cfg; then

  712.             enable_deep $dep_sel

  713.             enable_deep_weak $dep_sgs

  714.         fi

  715. 

  716.         disable ${cfg}_checking

  717.     done

  718. }

  719. 

  720. check_deps(){

  721.     unset allopts

  722. 

  723.     do_check_deps "$@"

  724. 

  725.     for cfg in $allopts; do

  726.         enabled $cfg || continue

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

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

  729.     done

  730. }

  731. 

  732. print_config(){

  733.     pfx=$1

  734.     files=$2

  735.     shift 2

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

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

  738.         {

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

  740.             v = \$2;

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

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

  743.             for (f in files) {

  744.                 file = files[f];

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

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

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

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

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

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

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

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

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

  754.                     yesno = \$2;

  755.                     c2 = tolower(c);

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

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

  758.                 }

  759.             }

  760.         }"

  761. }

  762. 

  763. print_enabled(){

  764.     suf=$1

  765.     shift

  766.     for v; do

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

  768.     done

  769. }

  770. 

  771. append(){

  772.     var=$1

  773.     shift

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

  775. }

  776. 

  777. prepend(){

  778.     var=$1

  779.     shift

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

  781. }

  782. 

  783. unique(){

  784.     var=$1

  785.     uniq_list=""

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

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

  788.     done

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

  790. }

  791. 

  792. add_cppflags(){

  793.     append CPPFLAGS "$@"

  794. }

  795. 

  796. add_cflags(){

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

  798. }

  799. 

  800. add_cxxflags(){

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

  802. }

  803. 

  804. add_asflags(){

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

  806. }

  807. 

  808. add_ldflags(){

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

  810. }

  811. 

  812. add_ldexeflags(){

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

  814. }

  815. 

  816. add_ldlibflags(){

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

  818. }

  819. 

  820. add_stripflags(){

  821.     append ASMSTRIPFLAGS "$@"

  822. }

  823. 

  824. add_extralibs(){

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

  826. }

  827. 

  828. add_host_cppflags(){

  829.     append host_cppflags "$@"

  830. }

  831. 

  832. add_host_cflags(){

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

  834. }

  835. 

  836. add_host_ldflags(){

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

  838. }

  839. 

  840. add_compat(){

  841.     append compat_objs $1

  842.     shift

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

  844. }

  845. 

  846. check_cmd(){

  847.     log "$@"

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

  849. }

  850. 

  851. check_stat(){

  852.     log check_stat "$@"

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

  854. }

  855. 

  856. cc_o(){

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

  858. }

  859. 

  860. cc_e(){

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

  862. }

  863. 

  864. check_cc(){

  865.     log check_cc "$@"

  866.     cat > $TMPC

  867.     log_file $TMPC

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

  869. }

  870. 

  871. check_cxx(){

  872.     log check_cxx "$@"

  873.     cat > $TMPCPP

  874.     log_file $TMPCPP

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

  876. }

  877. 

  878. check_oc(){

  879.     log check_oc "$@"

  880.     cat > $TMPM

  881.     log_file $TMPM

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

  883. }

  884. 

  885. check_cpp(){

  886.     log check_cpp "$@"

  887.     cat > $TMPC

  888.     log_file $TMPC

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

  890. }

  891. 

  892. as_o(){

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

  894. }

  895. 

  896. check_as(){

  897.     log check_as "$@"

  898.     cat > $TMPS

  899.     log_file $TMPS

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

  901. }

  902. 

  903. check_inline_asm(){

  904.     log check_inline_asm "$@"

  905.     name="$1"

  906.     code="$2"

  907.     shift 2

  908.     disable $name

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

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

  911. EOF

  912. }

  913. 

  914. check_insn(){

  915.     log check_insn "$@"

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

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

  918. }

  919. 

  920. check_yasm(){

  921.     log check_yasm "$@"

  922.     echo "$1" > $TMPS

  923.     log_file $TMPS

  924.     shift 1

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

  926. }

  927. 

  928. ld_o(){

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

  930. }

  931. 

  932. check_ld(){

  933.     log check_ld "$@"

  934.     type=$1

  935.     shift 1

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

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

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

  939.     flags=$($ldflags_filter $flags)

  940.     libs=$($ldflags_filter $libs)

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

  942. }

  943. 

  944. print_include(){

  945.     hdr=$1

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

  947.         echo "#include $hdr"    ||

  948.         echo "#include <$hdr>"

  949. }

  950. 

  951. check_code(){

  952.     log check_code "$@"

  953.     check=$1

  954.     headers=$2

  955.     code=$3

  956.     shift 3

  957.     {

  958.         for hdr in $headers; do

  959.             print_include $hdr

  960.         done

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

  962.     } | check_$check "$@"

  963. }

  964. 

  965. check_cppflags(){

  966.     log check_cppflags "$@"

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

  968. int x;

  969. EOF

  970. }

  971. 

  972. test_cflags(){

  973.     log test_cflags "$@"

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

  975.     check_cc "$@" <<EOF

  976. int x;

  977. EOF

  978. }

  979. 

  980. check_cflags(){

  981.     log check_cflags "$@"

  982.     test_cflags "$@" && add_cflags "$@"

  983. }

  984. 

  985. check_cxxflags(){

  986.     log check_cxxflags "$@"

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

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

  989. int x;

  990. EOF

  991. }

  992. 

  993. test_ldflags(){

  994.     log test_ldflags "$@"

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

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

  997. EOF

  998. }

  999. 

  1000. check_ldflags(){

  1001.     log check_ldflags "$@"

  1002.     test_ldflags "$@" && add_ldflags "$@"

  1003. }

  1004. 

  1005. test_stripflags(){

  1006.     log test_stripflags "$@"

  1007.     # call check_cc to get a fresh TMPO

  1008.     check_cc <<EOF

  1009. int main(void) { return 0; }

  1010. EOF

  1011.     check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO

  1012. }

  1013. 

  1014. check_stripflags(){

  1015.     log check_stripflags "$@"

  1016.     test_stripflags "$@" && add_stripflags "$@"

  1017. }

  1018. 

  1019. check_header(){

  1020.     log check_header "$@"

  1021.     header=$1

  1022.     shift

  1023.     disable_safe $header

  1024.     check_cpp "$@" <<EOF && enable_safe $header

  1025. #include <$header>

  1026. int x;

  1027. EOF

  1028. }

  1029. 

  1030. check_header_oc(){

  1031.     log check_header_oc "$@"

  1032.     rm -f -- "$TMPO"

  1033.     header=$1

  1034.     shift

  1035.     disable_safe $header

  1036.     {

  1037.        echo "#include <$header>"

  1038.        echo "int main(void) { return 0; }"

  1039.     } | check_oc && check_stat "$TMPO" && enable_safe $headers

  1040. }

  1041. 

  1042. check_func(){

  1043.     log check_func "$@"

  1044.     func=$1

  1045.     shift

  1046.     disable $func

  1047.     check_ld "cc" "$@" <<EOF && enable $func

  1048. extern int $func();

  1049. int main(void){ $func(); }

  1050. EOF

  1051. }

  1052. 

  1053. check_complexfunc(){

  1054.     log check_complexfunc "$@"

  1055.     func=$1

  1056.     narg=$2

  1057.     shift 2

  1058.     test $narg = 2 && args="f, g" || args="f * I"

  1059.     disable $func

  1060.     check_ld "cc" "$@" <<EOF && enable $func

  1061. #include <complex.h>

  1062. #include <math.h>

  1063. float foo(complex float f, complex float g) { return $func($args); }

  1064. int main(void){ return (int) foo; }

  1065. EOF

  1066. }

  1067. 

  1068. check_mathfunc(){

  1069.     log check_mathfunc "$@"

  1070.     func=$1

  1071.     narg=$2

  1072.     shift 2

  1073.     test $narg = 2 && args="f, g" || args="f"

  1074.     disable $func

  1075.     check_ld "cc" "$@" <<EOF && enable $func

  1076. #include <math.h>

  1077. float foo(float f, float g) { return $func($args); }

  1078. int main(void){ return (int) foo; }

  1079. EOF

  1080. }

  1081. 

  1082. check_func_headers(){

  1083.     log check_func_headers "$@"

  1084.     headers=$1

  1085.     funcs=$2

  1086.     shift 2

  1087.     {

  1088.         for hdr in $headers; do

  1089.             print_include $hdr

  1090.         done

  1091.         for func in $funcs; do

  1092.             echo "long check_$func(void) { return (long) $func; }"

  1093.         done

  1094.         echo "int main(void) { return 0; }"

  1095.     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers

  1096. }

  1097. 

  1098. check_class_headers_cpp(){

  1099.     log check_class_headers_cpp "$@"

  1100.     headers=$1

  1101.     classes=$2

  1102.     shift 2

  1103.     {

  1104.         for hdr in $headers; do

  1105.             echo "#include <$hdr>"

  1106.         done

  1107.         echo "int main(void) { "

  1108.         i=1

  1109.         for class in $classes; do

  1110.             echo "$class obj$i;"

  1111.             i=$(expr $i + 1)

  1112.         done

  1113.         echo "return 0; }"

  1114.     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers

  1115. }

  1116. 

  1117. check_cpp_condition(){

  1118.     log check_cpp_condition "$@"

  1119.     header=$1

  1120.     condition=$2

  1121.     shift 2

  1122.     check_cpp "$@" <<EOF

  1123. #include <$header>

  1124. #if !($condition)

  1125. #error "unsatisfied condition: $condition"

  1126. #endif

  1127. EOF

  1128. }

  1129. 

  1130. check_lib(){

  1131.     log check_lib "$@"

  1132.     header="$1"

  1133.     func="$2"

  1134.     shift 2

  1135.     check_header $header && check_func $func "$@" && add_extralibs "$@"

  1136. }

  1137. 

  1138. check_lib2(){

  1139.     log check_lib2 "$@"

  1140.     headers="$1"

  1141.     funcs="$2"

  1142.     shift 2

  1143.     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"

  1144. }

  1145. 

  1146. check_lib_cpp(){

  1147.     log check_lib_cpp "$@"

  1148.     headers="$1"

  1149.     classes="$2"

  1150.     shift 2

  1151.     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"

  1152. }

  1153. 

  1154. check_pkg_config(){

  1155.     log check_pkg_config "$@"

  1156.     pkgandversion="$1"

  1157.     pkg="${1%% *}"

  1158.     headers="$2"

  1159.     funcs="$3"

  1160.     shift 3

  1161.     check_cmd $pkg_config --exists --print-errors $pkgandversion || return

  1162.     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)

  1163.     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)

  1164.     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&

  1165.         set_safe "${pkg}_cflags" $pkg_cflags   &&

  1166.         set_safe "${pkg}_libs"   $pkg_libs

  1167. }

  1168. 

  1169. check_exec(){

  1170.     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }

  1171. }

  1172. 

  1173. check_exec_crash(){

  1174.     code=$(cat)

  1175. 

  1176.     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)

  1177.     # are safe but may not be available everywhere.  Thus we use

  1178.     # raise(SIGTERM) instead.  The check is run in a subshell so we

  1179.     # can redirect the "Terminated" message from the shell.  SIGBUS

  1180.     # is not defined by standard C so it is used conditionally.

  1181. 

  1182.     (check_exec "$@") >> $logfile 2>&1 <<EOF

  1183. #include <signal.h>

  1184. static void sighandler(int sig){

  1185.     raise(SIGTERM);

  1186. }

  1187. int foo(void){

  1188.     $code

  1189. }

  1190. int (*func_ptr)(void) = foo;

  1191. int main(void){

  1192.     signal(SIGILL, sighandler);

  1193.     signal(SIGFPE, sighandler);

  1194.     signal(SIGSEGV, sighandler);

  1195. #ifdef SIGBUS

  1196.     signal(SIGBUS, sighandler);

  1197. #endif

  1198.     return func_ptr();

  1199. }

  1200. EOF

  1201. }

  1202. 

  1203. check_type(){

  1204.     log check_type "$@"

  1205.     headers=$1

  1206.     type=$2

  1207.     shift 2

  1208.     disable_safe "$type"

  1209.     check_code cc "$headers" "$type v" "$@" && enable_safe "$type"

  1210. }

  1211. 

  1212. check_struct(){

  1213.     log check_struct "$@"

  1214.     headers=$1

  1215.     struct=$2

  1216.     member=$3

  1217.     shift 3

  1218.     disable_safe "${struct}_${member}"

  1219.     check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&

  1220.         enable_safe "${struct}_${member}"

  1221. }

  1222. 

  1223. check_builtin(){

  1224.     log check_builtin "$@"

  1225.     name=$1

  1226.     headers=$2

  1227.     builtin=$3

  1228.     shift 3

  1229.     disable "$name"

  1230.     check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"

  1231. }

  1232. 

  1233. check_compile_assert(){

  1234.     log check_compile_assert "$@"

  1235.     name=$1

  1236.     headers=$2

  1237.     condition=$3

  1238.     shift 3

  1239.     disable "$name"

  1240.     check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"

  1241. }

  1242. 

  1243. require(){

  1244.     name="$1"

  1245.     header="$2"

  1246.     func="$3"

  1247.     shift 3

  1248.     check_lib $header $func "$@" || die "ERROR: $name not found"

  1249. }

  1250. 

  1251. require2(){

  1252.     name="$1"

  1253.     headers="$2"

  1254.     func="$3"

  1255.     shift 3

  1256.     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"

  1257. }

  1258. 

  1259. require_cpp(){

  1260.     name="$1"

  1261.     headers="$2"

  1262.     classes="$3"

  1263.     shift 3

  1264.     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"

  1265. }

  1266. 

  1267. use_pkg_config(){

  1268.     pkg="$1"

  1269.     check_pkg_config "$@" || return 1

  1270.     add_cflags    $(get_safe "${pkg}_cflags")

  1271.     add_extralibs $(get_safe "${pkg}_libs")

  1272. }

  1273. 

  1274. require_pkg_config(){

  1275.     use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"

  1276. }

  1277. 

  1278. require_libfreetype(){

  1279.     log require_libfreetype "$@"

  1280.     pkg="freetype2"

  1281.     check_cmd $pkg_config --exists --print-errors $pkg \

  1282.       || die "ERROR: $pkg not found"

  1283.     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)

  1284.     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)

  1285.     {

  1286.         echo "#include <ft2build.h>"

  1287.         echo "#include FT_FREETYPE_H"

  1288.         echo "long check_func(void) { return (long) FT_Init_FreeType; }"

  1289.         echo "int main(void) { return 0; }"

  1290.     } | check_ld "cc" $pkg_cflags $pkg_libs \

  1291.       && set_safe "${pkg}_cflags" $pkg_cflags \

  1292.       && set_safe "${pkg}_libs"   $pkg_libs \

  1293.       || die "ERROR: $pkg not found"

  1294.     add_cflags    $(get_safe "${pkg}_cflags")

  1295.     add_extralibs $(get_safe "${pkg}_libs")

  1296. }

  1297. 

  1298. hostcc_e(){

  1299.     eval printf '%s\\n' $HOSTCC_E

  1300. }

  1301. 

  1302. hostcc_o(){

  1303.     eval printf '%s\\n' $HOSTCC_O

  1304. }

  1305. 

  1306. check_host_cc(){

  1307.     log check_host_cc "$@"

  1308.     cat > $TMPC

  1309.     log_file $TMPC

  1310.     check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC

  1311. }

  1312. 

  1313. check_host_cpp(){

  1314.     log check_host_cpp "$@"

  1315.     cat > $TMPC

  1316.     log_file $TMPC

  1317.     check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC

  1318. }

  1319. 

  1320. check_host_cppflags(){

  1321.     log check_host_cppflags "$@"

  1322.     check_host_cc "$@" <<EOF && append host_cppflags "$@"

  1323. int x;

  1324. EOF

  1325. }

  1326. 

  1327. check_host_cflags(){

  1328.     log check_host_cflags "$@"

  1329.     set -- $($host_cflags_filter "$@")

  1330.     check_host_cc "$@" <<EOF && append host_cflags "$@"

  1331. int x;

  1332. EOF

  1333. }

  1334. 

  1335. check_host_cpp_condition(){

  1336.     log check_host_cpp_condition "$@"

  1337.     header=$1

  1338.     condition=$2

  1339.     shift 2

  1340.     check_host_cpp "$@" <<EOF

  1341. #include <$header>

  1342. #if !($condition)

  1343. #error "unsatisfied condition: $condition"

  1344. #endif

  1345. EOF

  1346. }

  1347. 

  1348. cp_if_changed(){

  1349.     cmp -s "$1" "$2" && echo "$2 is unchanged" && return

  1350.     mkdir -p "$(dirname $2)"

  1351.     $cp_f "$1" "$2"

  1352. }

  1353. 

  1354. # CONFIG_LIST contains configurable options, while HAVE_LIST is for

  1355. # system-dependent things.

  1356. 

  1357. AVCODEC_COMPONENTS="

  1358.     bsfs

  1359.     decoders

  1360.     encoders

  1361.     hwaccels

  1362.     parsers

  1363. "

  1364. 

  1365. AVDEVICE_COMPONENTS="

  1366.     indevs

  1367.     outdevs

  1368. "

  1369. AVFILTER_COMPONENTS="

  1370.     filters

  1371. "

  1372. AVFORMAT_COMPONENTS="

  1373.     demuxers

  1374.     muxers

  1375.     protocols

  1376. "

  1377. 

  1378. AVRESAMPLE_COMPONENTS=""

  1379. AVUTIL_COMPONENTS=""

  1380. 

  1381. COMPONENT_LIST="

  1382.     $AVCODEC_COMPONENTS

  1383.     $AVDEVICE_COMPONENTS

  1384.     $AVFILTER_COMPONENTS

  1385.     $AVFORMAT_COMPONENTS

  1386.     $AVRESAMPLE_COMPONENTS

  1387.     $AVUTIL_COMPONENTS

  1388. "

  1389. 

  1390. EXAMPLE_LIST="

  1391.     avio_reading_example

  1392.     avio_dir_cmd_example

  1393.     decoding_encoding_example

  1394.     demuxing_decoding_example

  1395.     extract_mvs_example

  1396.     filter_audio_example

  1397.     filtering_audio_example

  1398.     filtering_video_example

  1399.     metadata_example

  1400.     muxing_example

  1401.     qsvdec_example

  1402.     remuxing_example

  1403.     resampling_audio_example

  1404.     scaling_video_example

  1405.     transcode_aac_example

  1406.     transcoding_example

  1407. "

  1408. 

  1409. EXTERNAL_LIBRARY_LIST="

  1410.     avisynth

  1411.     bzlib

  1412.     chromaprint

  1413.     crystalhd

  1414.     decklink

  1415.     frei0r

  1416.     gcrypt

  1417.     gmp

  1418.     gnutls

  1419.     iconv

  1420.     ladspa

  1421.     libaacplus

  1422.     libass

  1423.     libbluray

  1424.     libbs2b

  1425.     libcaca

  1426.     libcdio

  1427.     libcelt

  1428.     libdc1394

  1429.     libdcadec

  1430.     libfaac

  1431.     libfdk_aac

  1432.     libflite

  1433.     libfontconfig

  1434.     libfreetype

  1435.     libfribidi

  1436.     libgme

  1437.     libgsm

  1438.     libiec61883

  1439.     libilbc

  1440.     libkvazaar

  1441.     libmfx

  1442.     libmodplug

  1443.     libmp3lame

  1444.     libnut

  1445.     libopencore_amrnb

  1446.     libopencore_amrwb

  1447.     libopencv

  1448.     libopenh264

  1449.     libopenjpeg

  1450.     libopus

  1451.     libpulse

  1452.     libquvi

  1453.     librtmp

  1454.     librubberband

  1455.     libschroedinger

  1456.     libshine

  1457.     libsmbclient

  1458.     libsnappy

  1459.     libsoxr

  1460.     libspeex

  1461.     libssh

  1462.     libstagefright_h264

  1463.     libtesseract

  1464.     libtheora

  1465.     libtwolame

  1466.     libutvideo

  1467.     libv4l2

  1468.     libvidstab

  1469.     libvo_aacenc

  1470.     libvo_amrwbenc

  1471.     libvorbis

  1472.     libvpx

  1473.     libwavpack

  1474.     libwebp

  1475.     libx264

  1476.     libx265

  1477.     libxavs

  1478.     libxcb

  1479.     libxcb_shm

  1480.     libxcb_shape

  1481.     libxcb_xfixes

  1482.     libxvid

  1483.     libzimg

  1484.     libzmq

  1485.     libzvbi

  1486.     lzma

  1487.     mmal

  1488.     nvenc

  1489.     openal

  1490.     opencl

  1491.     opengl

  1492.     openssl

  1493.     schannel

  1494.     sdl

  1495.     securetransport

  1496.     x11grab

  1497.     xlib

  1498.     zlib

  1499. "

  1500. 

  1501. DOCUMENT_LIST="

  1502.     doc

  1503.     htmlpages

  1504.     manpages

  1505.     podpages

  1506.     txtpages

  1507. "

  1508. 

  1509. FEATURE_LIST="

  1510.     ftrapv

  1511.     gray

  1512.     hardcoded_tables

  1513.     runtime_cpudetect

  1514.     safe_bitstream_reader

  1515.     shared

  1516.     small

  1517.     static

  1518.     swscale_alpha

  1519. "

  1520. 

  1521. HWACCEL_LIST="

  1522.     d3d11va

  1523.     dxva2

  1524.     vaapi

  1525.     vda

  1526.     vdpau

  1527.     videotoolbox

  1528.     xvmc

  1529. "

  1530. 

  1531. LIBRARY_LIST="

  1532.     avcodec

  1533.     avdevice

  1534.     avfilter

  1535.     avformat

  1536.     avresample

  1537.     avutil

  1538.     postproc

  1539.     swresample

  1540.     swscale

  1541. "

  1542. 

  1543. LICENSE_LIST="

  1544.     gpl

  1545.     nonfree

  1546.     version3

  1547. "

  1548. 

  1549. PROGRAM_LIST="

  1550.     ffplay

  1551.     ffprobe

  1552.     ffserver

  1553.     ffmpeg

  1554. "

  1555. 

  1556. SUBSYSTEM_LIST="

  1557.     dct

  1558.     dwt

  1559.     error_resilience

  1560.     faan

  1561.     fast_unaligned

  1562.     fft

  1563.     lsp

  1564.     lzo

  1565.     mdct

  1566.     pixelutils

  1567.     network

  1568.     rdft

  1569. "

  1570. 

  1571. CONFIG_LIST="

  1572.     $COMPONENT_LIST

  1573.     $DOCUMENT_LIST

  1574.     $EXAMPLE_LIST

  1575.     $EXTERNAL_LIBRARY_LIST

  1576.     $FEATURE_LIST

  1577.     $HWACCEL_LIST

  1578.     $LICENSE_LIST

  1579.     $LIBRARY_LIST

  1580.     $PROGRAM_LIST

  1581.     $SUBSYSTEM_LIST

  1582.     fontconfig

  1583.     incompatible_libav_abi

  1584.     memalign_hack

  1585.     memory_poisoning

  1586.     neon_clobber_test

  1587.     pic

  1588.     pod2man

  1589.     raise_major

  1590.     thumb

  1591.     valgrind_backtrace

  1592.     xmm_clobber_test

  1593. "

  1594. 

  1595. THREADS_LIST="

  1596.     pthreads

  1597.     os2threads

  1598.     w32threads

  1599. "

  1600. 

  1601. ATOMICS_LIST="

  1602.     atomics_gcc

  1603.     atomics_suncc

  1604.     atomics_win32

  1605. "

  1606. 

  1607. ARCH_LIST="

  1608.     aarch64

  1609.     alpha

  1610.     arm

  1611.     avr32

  1612.     avr32_ap

  1613.     avr32_uc

  1614.     bfin

  1615.     ia64

  1616.     m68k

  1617.     mips

  1618.     mips64

  1619.     parisc

  1620.     ppc

  1621.     ppc64

  1622.     s390

  1623.     sh4

  1624.     sparc

  1625.     sparc64

  1626.     tilegx

  1627.     tilepro

  1628.     tomi

  1629.     x86

  1630.     x86_32

  1631.     x86_64

  1632. "

  1633. 

  1634. ARCH_EXT_LIST_ARM="

  1635.     armv5te

  1636.     armv6

  1637.     armv6t2

  1638.     armv8

  1639.     neon

  1640.     vfp

  1641.     vfpv3

  1642.     setend

  1643. "

  1644. 

  1645. ARCH_EXT_LIST_MIPS="

  1646.     mipsfpu

  1647.     mips32r2

  1648.     mips64r6

  1649.     mipsdsp

  1650.     mipsdspr2

  1651.     msa

  1652. "

  1653. 

  1654. ARCH_EXT_LIST_LOONGSON="

  1655.     loongson2

  1656.     loongson3

  1657.     mmi

  1658. "

  1659. 

  1660. ARCH_EXT_LIST_X86_SIMD="

  1661.     aesni

  1662.     amd3dnow

  1663.     amd3dnowext

  1664.     avx

  1665.     avx2

  1666.     fma3

  1667.     fma4

  1668.     mmx

  1669.     mmxext

  1670.     sse

  1671.     sse2

  1672.     sse3

  1673.     sse4

  1674.     sse42

  1675.     ssse3

  1676.     xop

  1677. "

  1678. 

  1679. ARCH_EXT_LIST_PPC="

  1680.     altivec

  1681.     dcbzl

  1682.     ldbrx

  1683.     power8

  1684.     ppc4xx

  1685.     vsx

  1686. "

  1687. 

  1688. ARCH_EXT_LIST_X86="

  1689.     $ARCH_EXT_LIST_X86_SIMD

  1690.     cpunop

  1691.     i686

  1692. "

  1693. 

  1694. ARCH_EXT_LIST="

  1695.     $ARCH_EXT_LIST_ARM

  1696.     $ARCH_EXT_LIST_PPC

  1697.     $ARCH_EXT_LIST_X86

  1698.     $ARCH_EXT_LIST_MIPS

  1699.     $ARCH_EXT_LIST_LOONGSON

  1700. "

  1701. 

  1702. ARCH_FEATURES="

  1703.     aligned_stack

  1704.     fast_64bit

  1705.     fast_clz

  1706.     fast_cmov

  1707.     local_aligned_8

  1708.     local_aligned_16

  1709.     local_aligned_32

  1710.     simd_align_16

  1711. "

  1712. 

  1713. BUILTIN_LIST="

  1714.     atomic_cas_ptr

  1715.     atomic_compare_exchange

  1716.     machine_rw_barrier

  1717.     MemoryBarrier

  1718.     mm_empty

  1719.     rdtsc

  1720.     sarestart

  1721.     sync_val_compare_and_swap

  1722. "

  1723. HAVE_LIST_CMDLINE="

  1724.     inline_asm

  1725.     symver

  1726.     yasm

  1727. "

  1728. 

  1729. HAVE_LIST_PUB="

  1730.     bigendian

  1731.     fast_unaligned

  1732.     incompatible_libav_abi

  1733. "

  1734. 

  1735. HEADERS_LIST="

  1736.     alsa_asoundlib_h

  1737.     altivec_h

  1738.     arpa_inet_h

  1739.     asm_types_h

  1740.     cdio_paranoia_h

  1741.     cdio_paranoia_paranoia_h

  1742.     dev_bktr_ioctl_bt848_h

  1743.     dev_bktr_ioctl_meteor_h

  1744.     dev_ic_bt8xx_h

  1745.     dev_video_bktr_ioctl_bt848_h

  1746.     dev_video_meteor_ioctl_meteor_h

  1747.     direct_h

  1748.     dirent_h

  1749.     dlfcn_h

  1750.     d3d11_h

  1751.     dxva_h

  1752.     ES2_gl_h

  1753.     gsm_h

  1754.     io_h

  1755.     mach_mach_time_h

  1756.     machine_ioctl_bt848_h

  1757.     machine_ioctl_meteor_h

  1758.     malloc_h

  1759.     openjpeg_1_5_openjpeg_h

  1760.     OpenGL_gl3_h

  1761.     poll_h

  1762.     sndio_h

  1763.     soundcard_h

  1764.     sys_mman_h

  1765.     sys_param_h

  1766.     sys_resource_h

  1767.     sys_select_h

  1768.     sys_soundcard_h

  1769.     sys_time_h

  1770.     sys_un_h

  1771.     sys_videoio_h

  1772.     termios_h

  1773.     udplite_h

  1774.     unistd_h

  1775.     valgrind_valgrind_h

  1776.     windows_h

  1777.     winsock2_h

  1778. "

  1779. 

  1780. INTRINSICS_LIST="

  1781.     intrinsics_neon

  1782. "

  1783. 

  1784. COMPLEX_FUNCS="

  1785.     cabs

  1786.     cexp

  1787. "

  1788. 

  1789. MATH_FUNCS="

  1790.     atanf

  1791.     atan2f

  1792.     cbrt

  1793.     cbrtf

  1794.     copysign

  1795.     cosf

  1796.     erf

  1797.     exp2

  1798.     exp2f

  1799.     expf

  1800.     hypot

  1801.     isinf

  1802.     isnan

  1803.     ldexpf

  1804.     llrint

  1805.     llrintf

  1806.     log2

  1807.     log2f

  1808.     log10f

  1809.     lrint

  1810.     lrintf

  1811.     powf

  1812.     rint

  1813.     round

  1814.     roundf

  1815.     sinf

  1816.     trunc

  1817.     truncf

  1818. "

  1819. 

  1820. SYSTEM_FUNCS="

  1821.     access

  1822.     aligned_malloc

  1823.     clock_gettime

  1824.     closesocket

  1825.     CommandLineToArgvW

  1826.     CoTaskMemFree

  1827.     CryptGenRandom

  1828.     dlopen

  1829.     fcntl

  1830.     flt_lim

  1831.     fork

  1832.     getaddrinfo

  1833.     gethrtime

  1834.     getopt

  1835.     GetProcessAffinityMask

  1836.     GetProcessMemoryInfo

  1837.     GetProcessTimes

  1838.     getrusage

  1839.     GetSystemTimeAsFileTime

  1840.     gettimeofday

  1841.     glob

  1842.     glXGetProcAddress

  1843.     gmtime_r

  1844.     inet_aton

  1845.     isatty

  1846.     jack_port_get_latency_range

  1847.     kbhit

  1848.     localtime_r

  1849.     lstat

  1850.     lzo1x_999_compress

  1851.     mach_absolute_time

  1852.     MapViewOfFile

  1853.     memalign

  1854.     mkstemp

  1855.     mmap

  1856.     mprotect

  1857.     nanosleep

  1858.     PeekNamedPipe

  1859.     posix_memalign

  1860.     pthread_cancel

  1861.     sched_getaffinity

  1862.     SetConsoleTextAttribute

  1863.     SetConsoleCtrlHandler

  1864.     setmode

  1865.     setrlimit

  1866.     Sleep

  1867.     strerror_r

  1868.     sysconf

  1869.     sysctl

  1870.     usleep

  1871.     UTGetOSTypeFromString

  1872.     VirtualAlloc

  1873.     wglGetProcAddress

  1874. "

  1875. 

  1876. TOOLCHAIN_FEATURES="

  1877.     as_dn_directive

  1878.     as_func

  1879.     as_object_arch

  1880.     asm_mod_q

  1881.     attribute_may_alias

  1882.     attribute_packed

  1883.     ebp_available

  1884.     ebx_available

  1885.     gnu_as

  1886.     gnu_windres

  1887.     ibm_asm

  1888.     inline_asm_labels

  1889.     inline_asm_nonlocal_labels

  1890.     inline_asm_direct_symbol_refs

  1891.     pragma_deprecated

  1892.     rsync_contimeout

  1893.     symver_asm_label

  1894.     symver_gnu_asm

  1895.     vfp_args

  1896.     xform_asm

  1897.     xmm_clobbers

  1898. "

  1899. 

  1900. TYPES_LIST="

  1901.     CONDITION_VARIABLE_Ptr

  1902.     socklen_t

  1903.     struct_addrinfo

  1904.     struct_group_source_req

  1905.     struct_ip_mreq_source

  1906.     struct_ipv6_mreq

  1907.     struct_pollfd

  1908.     struct_rusage_ru_maxrss

  1909.     struct_sctp_event_subscribe

  1910.     struct_sockaddr_in6

  1911.     struct_sockaddr_sa_len

  1912.     struct_sockaddr_storage

  1913.     struct_stat_st_mtim_tv_nsec

  1914.     struct_v4l2_frmivalenum_discrete

  1915. "

  1916. 

  1917. HAVE_LIST="

  1918.     $ARCH_EXT_LIST

  1919.     $(add_suffix _external $ARCH_EXT_LIST)

  1920.     $(add_suffix _inline   $ARCH_EXT_LIST)

  1921.     $ARCH_FEATURES

  1922.     $ATOMICS_LIST

  1923.     $BUILTIN_LIST

  1924.     $COMPLEX_FUNCS

  1925.     $HAVE_LIST_CMDLINE

  1926.     $HAVE_LIST_PUB

  1927.     $HEADERS_LIST

  1928.     $INTRINSICS_LIST

  1929.     $MATH_FUNCS

  1930.     $SYSTEM_FUNCS

  1931.     $THREADS_LIST

  1932.     $TOOLCHAIN_FEATURES

  1933.     $TYPES_LIST

  1934.     atomics_native

  1935.     dos_paths

  1936.     dxva2api_cobj

  1937.     dxva2_lib

  1938.     winrt

  1939.     libc_msvcrt

  1940.     libdc1394_1

  1941.     libdc1394_2

  1942.     makeinfo

  1943.     makeinfo_html

  1944.     perl

  1945.     pod2man

  1946.     sdl

  1947.     section_data_rel_ro

  1948.     texi2html

  1949.     threads

  1950.     vaapi_x11

  1951.     vdpau_x11

  1952.     xlib

  1953. "

  1954. 

  1955. # options emitted with CONFIG_ prefix but not available on the command line

  1956. CONFIG_EXTRA="

  1957.     aandcttables

  1958.     ac3dsp

  1959.     audio_frame_queue

  1960.     audiodsp

  1961.     blockdsp

  1962.     bswapdsp

  1963.     cabac

  1964.     dvprofile

  1965.     exif

  1966.     faandct

  1967.     faanidct

  1968.     fdctdsp

  1969.     flacdsp

  1970.     fmtconvert

  1971.     frame_thread_encoder

  1972.     g722dsp

  1973.     golomb

  1974.     gplv3

  1975.     h263dsp

  1976.     h264chroma

  1977.     h264dsp

  1978.     h264pred

  1979.     h264qpel

  1980.     hpeldsp

  1981.     huffman

  1982.     huffyuvdsp

  1983.     huffyuvencdsp

  1984.     idctdsp

  1985.     iirfilter

  1986.     imdct15

  1987.     intrax8

  1988.     ividsp

  1989.     jpegtables

  1990.     libx262

  1991.     lgplv3

  1992.     llauddsp

  1993.     llviddsp

  1994.     lpc

  1995.     lzf

  1996.     me_cmp

  1997.     mpeg_er

  1998.     mpegaudio

  1999.     mpegaudiodsp

  2000.     mpegvideo

  2001.     mpegvideoenc

  2002.     mss34dsp

  2003.     pixblockdsp

  2004.     qpeldsp

  2005.     qsv

  2006.     qsvdec

  2007.     qsvenc

  2008.     rangecoder

  2009.     riffdec

  2010.     riffenc

  2011.     rtpdec

  2012.     rtpenc_chain

  2013.     rv34dsp

  2014.     sinewin

  2015.     snappy

  2016.     startcode

  2017.     texturedsp

  2018.     texturedspenc

  2019.     tpeldsp

  2020.     videodsp

  2021.     vp3dsp

  2022.     vp56dsp

  2023.     vp8dsp

  2024.     wma_freqs

  2025.     wmv2dsp

  2026. "

  2027. 

  2028. CMDLINE_SELECT="

  2029.     $ARCH_EXT_LIST

  2030.     $CONFIG_LIST

  2031.     $HAVE_LIST_CMDLINE

  2032.     $THREADS_LIST

  2033.     asm

  2034.     cross_compile

  2035.     debug

  2036.     extra_warnings

  2037.     logging

  2038.     lto

  2039.     optimizations

  2040.     rpath

  2041.     stripping

  2042. "

  2043. 

  2044. PATHS_LIST="

  2045.     bindir

  2046.     datadir

  2047.     docdir

  2048.     incdir

  2049.     libdir

  2050.     mandir

  2051.     pkgconfigdir

  2052.     prefix

  2053.     shlibdir

  2054. "

  2055. 

  2056. CMDLINE_SET="

  2057.     $PATHS_LIST

  2058.     ar

  2059.     arch

  2060.     as

  2061.     assert_level

  2062.     build_suffix

  2063.     cc

  2064.     cpu

  2065.     cross_prefix

  2066.     custom_allocator

  2067.     cxx

  2068.     dep_cc

  2069.     doxygen

  2070.     env

  2071.     extra_version

  2072.     gas

  2073.     host_cc

  2074.     host_cflags

  2075.     host_ld

  2076.     host_ldflags

  2077.     host_libs

  2078.     host_os

  2079.     install

  2080.     ld

  2081.     logfile

  2082.     malloc_prefix

  2083.     nm

  2084.     optflags

  2085.     pkg_config

  2086.     pkg_config_flags

  2087.     progs_suffix

  2088.     random_seed

  2089.     ranlib

  2090.     samples

  2091.     strip

  2092.     sws_max_filter_size

  2093.     sysinclude

  2094.     sysroot

  2095.     target_exec

  2096.     target_os

  2097.     target_path

  2098.     target_samples

  2099.     tempprefix

  2100.     toolchain

  2101.     valgrind

  2102.     yasmexe

  2103. "

  2104. 

  2105. CMDLINE_APPEND="

  2106.     extra_cflags

  2107.     extra_cxxflags

  2108.     host_cppflags

  2109. "

  2110. 

  2111. # code dependency declarations

  2112. 

  2113. # architecture extensions

  2114. 

  2115. armv5te_deps="arm"

  2116. armv6_deps="arm"

  2117. armv6t2_deps="arm"

  2118. armv8_deps="aarch64"

  2119. neon_deps_any="aarch64 arm"

  2120. intrinsics_neon_deps="neon"

  2121. vfp_deps_any="aarch64 arm"

  2122. vfpv3_deps="vfp"

  2123. setend_deps="arm"

  2124. 

  2125. map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM

  2126. 

  2127. mipsfpu_deps="mips"

  2128. mipsdsp_deps="mips"

  2129. mipsdspr2_deps="mips"

  2130. mips32r2_deps="mips"

  2131. mips64r6_deps="mips"

  2132. msa_deps="mips"

  2133. mmi_deps="mips"

  2134. 

  2135. altivec_deps="ppc"

  2136. dcbzl_deps="ppc"

  2137. ldbrx_deps="ppc"

  2138. ppc4xx_deps="ppc"

  2139. vsx_deps="altivec"

  2140. power8_deps="vsx"

  2141. 

  2142. cpunop_deps="i686"

  2143. x86_64_select="i686"

  2144. x86_64_suggest="fast_cmov"

  2145. 

  2146. amd3dnow_deps="mmx"

  2147. amd3dnowext_deps="amd3dnow"

  2148. i686_deps="x86"

  2149. mmx_deps="x86"

  2150. mmxext_deps="mmx"

  2151. sse_deps="mmxext"

  2152. sse2_deps="sse"

  2153. sse3_deps="sse2"

  2154. ssse3_deps="sse3"

  2155. sse4_deps="ssse3"

  2156. sse42_deps="sse4"

  2157. aesni_deps="sse42"

  2158. avx_deps="sse42"

  2159. xop_deps="avx"

  2160. fma3_deps="avx"

  2161. fma4_deps="avx"

  2162. avx2_deps="avx"

  2163. 

  2164. mmx_external_deps="yasm"

  2165. mmx_inline_deps="inline_asm"

  2166. mmx_suggest="mmx_external mmx_inline"

  2167. 

  2168. for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do

  2169.     eval dep=\$${ext}_deps

  2170.     eval ${ext}_external_deps='"${dep}_external"'

  2171.     eval ${ext}_inline_deps='"${dep}_inline"'

  2172.     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'

  2173. done

  2174. 

  2175. aligned_stack_if_any="aarch64 ppc x86"

  2176. fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"

  2177. fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"

  2178. fast_unaligned_if_any="aarch64 ppc x86"

  2179. simd_align_16_if_any="altivec neon sse"

  2180. 

  2181. # system capabilities

  2182. symver_if_any="symver_asm_label symver_gnu_asm"

  2183. valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"

  2184. 

  2185. # threading support

  2186. atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"

  2187. atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"

  2188. atomics_win32_if="MemoryBarrier"

  2189. atomics_native_if_any="$ATOMICS_LIST"

  2190. w32threads_deps="atomics_native"

  2191. threads_if_any="$THREADS_LIST"

  2192. 

  2193. # subsystems

  2194. dct_select="rdft"

  2195. error_resilience_select="me_cmp"

  2196. faandct_deps="faan fdctdsp"

  2197. faanidct_deps="faan idctdsp"

  2198. frame_thread_encoder_deps="encoders threads"

  2199. intrax8_select="error_resilience"

  2200. mdct_select="fft"

  2201. rdft_select="fft"

  2202. me_cmp_select="fdctdsp idctdsp pixblockdsp"

  2203. mpeg_er_select="error_resilience"

  2204. mpegaudio_select="mpegaudiodsp"

  2205. mpegaudiodsp_select="dct"

  2206. mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"

  2207. mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"

  2208. qsvdec_select="qsv"

  2209. qsvenc_select="qsv"

  2210. 

  2211. # decoders / encoders

  2212. aac_decoder_select="imdct15 mdct sinewin"

  2213. aac_fixed_decoder_select="mdct sinewin"

  2214. aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"

  2215. aac_latm_decoder_select="aac_decoder aac_latm_parser"

  2216. ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"

  2217. ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"

  2218. ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2219. ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2220. adpcm_g722_decoder_select="g722dsp"

  2221. adpcm_g722_encoder_select="g722dsp"

  2222. aic_decoder_select="golomb idctdsp"

  2223. alac_encoder_select="lpc"

  2224. als_decoder_select="bswapdsp"

  2225. amrnb_decoder_select="lsp"

  2226. amrwb_decoder_select="lsp"

  2227. amv_decoder_select="sp5x_decoder exif"

  2228. amv_encoder_select="aandcttables jpegtables mpegvideoenc"

  2229. ape_decoder_select="bswapdsp llauddsp"

  2230. apng_decoder_select="zlib"

  2231. apng_encoder_select="huffyuvencdsp zlib"

  2232. asv1_decoder_select="blockdsp bswapdsp idctdsp"

  2233. asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2234. asv2_decoder_select="blockdsp bswapdsp idctdsp"

  2235. asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2236. atrac1_decoder_select="mdct sinewin"

  2237. atrac3_decoder_select="mdct"

  2238. atrac3p_decoder_select="mdct sinewin"

  2239. avrn_decoder_select="exif jpegtables"

  2240. bink_decoder_select="blockdsp hpeldsp"

  2241. binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"

  2242. binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"

  2243. cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"

  2244. cllc_decoder_select="bswapdsp"

  2245. comfortnoise_encoder_select="lpc"

  2246. cook_decoder_select="audiodsp mdct sinewin"

  2247. cscd_decoder_select="lzo"

  2248. cscd_decoder_suggest="zlib"

  2249. dca_decoder_select="fmtconvert mdct"

  2250. dds_decoder_select="texturedsp"

  2251. dirac_decoder_select="dwt golomb videodsp mpegvideoenc"

  2252. dnxhd_decoder_select="blockdsp idctdsp"

  2253. dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"

  2254. dvvideo_decoder_select="dvprofile idctdsp"

  2255. dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"

  2256. dxa_decoder_select="zlib"

  2257. dxv_decoder_select="lzf texturedsp"

  2258. eac3_decoder_select="ac3_decoder"

  2259. eac3_encoder_select="ac3_encoder"

  2260. eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"

  2261. eatgq_decoder_select="aandcttables"

  2262. eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"

  2263. exr_decoder_select="zlib"

  2264. ffv1_decoder_select="golomb rangecoder"

  2265. ffv1_encoder_select="rangecoder"

  2266. ffvhuff_decoder_select="huffyuv_decoder"

  2267. ffvhuff_encoder_select="huffyuv_encoder"

  2268. fic_decoder_select="golomb"

  2269. flac_decoder_select="flacdsp golomb"

  2270. flac_encoder_select="bswapdsp flacdsp golomb lpc"

  2271. flashsv_decoder_select="zlib"

  2272. flashsv_encoder_select="zlib"

  2273. flashsv2_encoder_select="zlib"

  2274. flashsv2_decoder_select="zlib"

  2275. flv_decoder_select="h263_decoder"

  2276. flv_encoder_select="h263_encoder"

  2277. fourxm_decoder_select="blockdsp bswapdsp"

  2278. fraps_decoder_select="bswapdsp huffman"

  2279. g2m_decoder_select="blockdsp idctdsp jpegtables zlib"

  2280. g729_decoder_select="audiodsp"

  2281. h261_decoder_select="mpegvideo"

  2282. h261_encoder_select="aandcttables mpegvideoenc"

  2283. h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"

  2284. h263_encoder_select="aandcttables h263dsp mpegvideoenc"

  2285. h263i_decoder_select="h263_decoder"

  2286. h263p_decoder_select="h263_decoder"

  2287. h263p_encoder_select="h263_encoder"

  2288. h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"

  2289. h264_decoder_suggest="error_resilience"

  2290. h264_qsv_decoder_deps="libmfx"

  2291. h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"

  2292. h264_qsv_encoder_deps="libmfx"

  2293. h264_qsv_encoder_select="qsvenc"

  2294. hap_decoder_select="snappy texturedsp"

  2295. hap_encoder_deps="libsnappy"

  2296. hap_encoder_select="texturedspenc"

  2297. hevc_decoder_select="bswapdsp cabac golomb videodsp"

  2298. hevc_qsv_encoder_deps="libmfx"

  2299. hevc_qsv_decoder_deps="libmfx"

  2300. hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"

  2301. hevc_qsv_encoder_select="qsvenc"

  2302. huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"

  2303. huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"

  2304. iac_decoder_select="imc_decoder"

  2305. imc_decoder_select="bswapdsp fft mdct sinewin"

  2306. indeo3_decoder_select="hpeldsp"

  2307. indeo4_decoder_select="ividsp"

  2308. indeo5_decoder_select="ividsp"

  2309. interplay_video_decoder_select="hpeldsp"

  2310. jpegls_decoder_select="golomb mjpeg_decoder"

  2311. jpegls_encoder_select="golomb"

  2312. jv_decoder_select="blockdsp"

  2313. lagarith_decoder_select="huffyuvdsp"

  2314. ljpeg_encoder_select="aandcttables idctdsp jpegtables"

  2315. loco_decoder_select="golomb"

  2316. mdec_decoder_select="blockdsp idctdsp mpegvideo"

  2317. metasound_decoder_select="lsp mdct sinewin"

  2318. mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"

  2319. mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"

  2320. mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"

  2321. mjpegb_decoder_select="mjpeg_decoder"

  2322. mlp_decoder_select="mlp_parser"

  2323. motionpixels_decoder_select="bswapdsp"

  2324. mp1_decoder_select="mpegaudio"

  2325. mp1float_decoder_select="mpegaudio"

  2326. mp2_decoder_select="mpegaudio"

  2327. mp2float_decoder_select="mpegaudio"

  2328. mp3_decoder_select="mpegaudio"

  2329. mp3adu_decoder_select="mpegaudio"

  2330. mp3adufloat_decoder_select="mpegaudio"

  2331. mp3float_decoder_select="mpegaudio"

  2332. mp3on4_decoder_select="mpegaudio"

  2333. mp3on4float_decoder_select="mpegaudio"

  2334. mpc7_decoder_select="bswapdsp mpegaudiodsp"

  2335. mpc8_decoder_select="mpegaudiodsp"

  2336. mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"

  2337. mpeg_xvmc_decoder_select="mpeg2video_decoder"

  2338. mpegvideo_decoder_select="mpegvideo"

  2339. mpeg1video_decoder_select="mpegvideo"

  2340. mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2341. mpeg2video_decoder_select="mpegvideo"

  2342. mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2343. mpeg2_qsv_decoder_deps="libmfx"

  2344. mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"

  2345. mpeg2_qsv_encoder_deps="libmfx"

  2346. mpeg2_qsv_encoder_select="qsvenc"

  2347. mpeg4_decoder_select="h263_decoder mpeg4video_parser"

  2348. mpeg4_encoder_select="h263_encoder"

  2349. msa1_decoder_select="mss34dsp"

  2350. msmpeg4v1_decoder_select="h263_decoder"

  2351. msmpeg4v2_decoder_select="h263_decoder"

  2352. msmpeg4v2_encoder_select="h263_encoder"

  2353. msmpeg4v3_decoder_select="h263_decoder"

  2354. msmpeg4v3_encoder_select="h263_encoder"

  2355. mss2_decoder_select="vc1_decoder"

  2356. mts2_decoder_select="mss34dsp"

  2357. mxpeg_decoder_select="mjpeg_decoder"

  2358. nellymoser_decoder_select="mdct sinewin"

  2359. nellymoser_encoder_select="audio_frame_queue mdct sinewin"

  2360. nuv_decoder_select="idctdsp lzo"

  2361. on2avc_decoder_select="mdct"

  2362. opus_decoder_deps="swresample"

  2363. opus_decoder_select="imdct15"

  2364. png_decoder_select="zlib"

  2365. png_encoder_select="huffyuvencdsp zlib"

  2366. prores_decoder_select="blockdsp idctdsp"

  2367. prores_encoder_select="fdctdsp"

  2368. qcelp_decoder_select="lsp"

  2369. qdm2_decoder_select="mdct rdft mpegaudiodsp"

  2370. ra_144_encoder_select="audio_frame_queue lpc audiodsp"

  2371. ra_144_decoder_select="audiodsp"

  2372. ralf_decoder_select="golomb"

  2373. rawvideo_decoder_select="bswapdsp"

  2374. rscc_decoder_select="zlib"

  2375. rtjpeg_decoder_select="me_cmp"

  2376. rv10_decoder_select="h263_decoder"

  2377. rv10_encoder_select="h263_encoder"

  2378. rv20_decoder_select="h263_decoder"

  2379. rv20_encoder_select="h263_encoder"

  2380. rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"

  2381. rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"

  2382. screenpresso_decoder_select="zlib"

  2383. shorten_decoder_select="golomb"

  2384. sipr_decoder_select="lsp"

  2385. snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"

  2386. snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"

  2387. sonic_decoder_select="golomb rangecoder"

  2388. sonic_encoder_select="golomb rangecoder"

  2389. sonic_ls_encoder_select="golomb rangecoder"

  2390. sp5x_decoder_select="mjpeg_decoder"

  2391. svq1_decoder_select="hpeldsp"

  2392. svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"

  2393. svq3_decoder_select="h264_decoder hpeldsp tpeldsp"

  2394. svq3_decoder_suggest="zlib"

  2395. tak_decoder_select="audiodsp"

  2396. tdsc_decoder_select="zlib mjpeg_decoder"

  2397. theora_decoder_select="vp3_decoder"

  2398. thp_decoder_select="mjpeg_decoder"

  2399. tiff_decoder_suggest="zlib lzma"

  2400. tiff_encoder_suggest="zlib"

  2401. truehd_decoder_select="mlp_parser"

  2402. truemotion2_decoder_select="bswapdsp"

  2403. truespeech_decoder_select="bswapdsp"

  2404. tscc_decoder_select="zlib"

  2405. twinvq_decoder_select="mdct lsp sinewin"

  2406. txd_decoder_select="texturedsp"

  2407. utvideo_decoder_select="bswapdsp"

  2408. utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"

  2409. vble_decoder_select="huffyuvdsp"

  2410. vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 qpeldsp startcode"

  2411. vc1image_decoder_select="vc1_decoder"

  2412. vc1_qsv_decoder_deps="libmfx"

  2413. vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel"

  2414. vorbis_decoder_select="mdct"

  2415. vorbis_encoder_select="mdct"

  2416. vp3_decoder_select="hpeldsp vp3dsp videodsp"

  2417. vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"

  2418. vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"

  2419. vp6a_decoder_select="vp6_decoder"

  2420. vp6f_decoder_select="vp6_decoder"

  2421. vp7_decoder_select="h264pred videodsp vp8dsp"

  2422. vp8_decoder_select="h264pred videodsp vp8dsp"

  2423. vp9_decoder_select="videodsp vp9_parser"

  2424. webp_decoder_select="vp8_decoder"

  2425. wmalossless_decoder_select="llauddsp"

  2426. wmapro_decoder_select="mdct sinewin wma_freqs"

  2427. wmav1_decoder_select="mdct sinewin wma_freqs"

  2428. wmav1_encoder_select="mdct sinewin wma_freqs"

  2429. wmav2_decoder_select="mdct sinewin wma_freqs"

  2430. wmav2_encoder_select="mdct sinewin wma_freqs"

  2431. wmavoice_decoder_select="lsp rdft dct mdct sinewin"

  2432. wmv1_decoder_select="h263_decoder"

  2433. wmv1_encoder_select="h263_encoder"

  2434. wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp wmv2dsp"

  2435. wmv2_encoder_select="h263_encoder wmv2dsp"

  2436. wmv3_decoder_select="vc1_decoder"

  2437. wmv3image_decoder_select="wmv3_decoder"

  2438. zerocodec_decoder_select="zlib"

  2439. zlib_decoder_select="zlib"

  2440. zlib_encoder_select="zlib"

  2441. zmbv_decoder_select="zlib"

  2442. zmbv_encoder_select="zlib"

  2443. 

  2444. # hardware accelerators

  2445. crystalhd_deps="libcrystalhd_libcrystalhd_if_h"

  2446. d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"

  2447. dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"

  2448. vaapi_deps="va_va_h"

  2449. vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"

  2450. vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"

  2451. vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"

  2452. videotoolbox_deps="VideoToolbox_VideoToolbox_h pthreads"

  2453. videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework QuartzCore -framework CoreVideo"

  2454. xvmc_deps="X11_extensions_XvMClib_h"

  2455. 

  2456. h263_vaapi_hwaccel_deps="vaapi"

  2457. h263_vaapi_hwaccel_select="h263_decoder"

  2458. h263_videotoolbox_hwaccel_deps="videotoolbox"

  2459. h263_videotoolbox_hwaccel_select="h263_decoder"

  2460. h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"

  2461. h264_d3d11va_hwaccel_deps="d3d11va"

  2462. h264_d3d11va_hwaccel_select="h264_decoder"

  2463. h264_dxva2_hwaccel_deps="dxva2"

  2464. h264_dxva2_hwaccel_select="h264_decoder"

  2465. h264_mmal_decoder_deps="mmal"

  2466. h264_mmal_hwaccel_deps="mmal"

  2467. h264_mmal_decoder_select="h264_decoder"

  2468. h264_mmal_encoder_deps="mmal"

  2469. h264_qsv_hwaccel_deps="libmfx"

  2470. h264_vaapi_hwaccel_deps="vaapi"

  2471. h264_vaapi_hwaccel_select="h264_decoder"

  2472. h264_vda_decoder_deps="vda"

  2473. h264_vda_decoder_select="h264_decoder"

  2474. h264_vda_hwaccel_deps="vda"

  2475. h264_vda_hwaccel_select="h264_decoder"

  2476. h264_vda_old_hwaccel_deps="vda"

  2477. h264_vda_old_hwaccel_select="h264_decoder"

  2478. h264_vdpau_decoder_deps="vdpau"

  2479. h264_vdpau_decoder_select="h264_decoder"

  2480. h264_vdpau_hwaccel_deps="vdpau"

  2481. h264_vdpau_hwaccel_select="h264_decoder"

  2482. h264_videotoolbox_hwaccel_deps="videotoolbox"

  2483. h264_videotoolbox_hwaccel_select="h264_decoder"

  2484. hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"

  2485. hevc_d3d11va_hwaccel_select="hevc_decoder"

  2486. hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"

  2487. hevc_dxva2_hwaccel_select="hevc_decoder"

  2488. hevc_qsv_hwaccel_deps="libmfx"

  2489. hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"

  2490. hevc_vaapi_hwaccel_select="hevc_decoder"

  2491. hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"

  2492. hevc_vdpau_hwaccel_select="hevc_decoder"

  2493. mpeg_vdpau_decoder_deps="vdpau"

  2494. mpeg_vdpau_decoder_select="mpeg2video_decoder"

  2495. mpeg_xvmc_hwaccel_deps="xvmc"

  2496. mpeg_xvmc_hwaccel_select="mpeg2video_decoder"

  2497. mpeg1_vdpau_decoder_deps="vdpau"

  2498. mpeg1_vdpau_decoder_select="mpeg1video_decoder"

  2499. mpeg1_vdpau_hwaccel_deps="vdpau"

  2500. mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"

  2501. mpeg1_videotoolbox_hwaccel_deps="videotoolbox"

  2502. mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"

  2503. mpeg1_xvmc_hwaccel_deps="xvmc"

  2504. mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"

  2505. mpeg2_crystalhd_decoder_select="crystalhd"

  2506. mpeg2_d3d11va_hwaccel_deps="d3d11va"

  2507. mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"

  2508. mpeg2_dxva2_hwaccel_deps="dxva2"

  2509. mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"

  2510. mpeg2_mmal_decoder_deps="mmal"

  2511. mpeg2_mmal_hwaccel_deps="mmal"

  2512. mpeg2_mmal_decoder_select="mpeg2video_decoder"

  2513. mpeg2_qsv_hwaccel_deps="libmfx"

  2514. mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"

  2515. mpeg2_vaapi_hwaccel_deps="vaapi"

  2516. mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"

  2517. mpeg2_vdpau_hwaccel_deps="vdpau"

  2518. mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"

  2519. mpeg2_videotoolbox_hwaccel_deps="videotoolbox"

  2520. mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"

  2521. mpeg2_xvmc_hwaccel_deps="xvmc"

  2522. mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"

  2523. mpeg4_crystalhd_decoder_select="crystalhd"

  2524. mpeg4_vaapi_hwaccel_deps="vaapi"

  2525. mpeg4_vaapi_hwaccel_select="mpeg4_decoder"

  2526. mpeg4_vdpau_decoder_deps="vdpau"

  2527. mpeg4_vdpau_decoder_select="mpeg4_decoder"

  2528. mpeg4_vdpau_hwaccel_deps="vdpau"

  2529. mpeg4_vdpau_hwaccel_select="mpeg4_decoder"

  2530. mpeg4_videotoolbox_hwaccel_deps="videotoolbox"

  2531. mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"

  2532. msmpeg4_crystalhd_decoder_select="crystalhd"

  2533. vc1_crystalhd_decoder_select="crystalhd"

  2534. vc1_d3d11va_hwaccel_deps="d3d11va"

  2535. vc1_d3d11va_hwaccel_select="vc1_decoder"

  2536. vc1_dxva2_hwaccel_deps="dxva2"

  2537. vc1_dxva2_hwaccel_select="vc1_decoder"

  2538. vc1_vaapi_hwaccel_deps="vaapi"

  2539. vc1_vaapi_hwaccel_select="vc1_decoder"

  2540. vc1_vdpau_decoder_deps="vdpau"

  2541. vc1_vdpau_decoder_select="vc1_decoder"

  2542. vc1_vdpau_hwaccel_deps="vdpau"

  2543. vc1_vdpau_hwaccel_select="vc1_decoder"

  2544. vc1_mmal_decoder_deps="mmal"

  2545. vc1_mmal_hwaccel_deps="mmal"

  2546. vc1_mmal_decoder_select="vc1_decoder"

  2547. vc1_qsv_hwaccel_deps="libmfx"

  2548. vc1_qsv_hwaccel_select="qsvdec_vc1"

  2549. wmv3_crystalhd_decoder_select="crystalhd"

  2550. wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"

  2551. wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"

  2552. wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"

  2553. wmv3_vdpau_decoder_select="vc1_vdpau_decoder"

  2554. wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"

  2555. 

  2556. # parsers

  2557. h264_parser_select="h264_decoder"

  2558. hevc_parser_select="golomb"

  2559. mpegvideo_parser_select="mpegvideo"

  2560. mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"

  2561. vc1_parser_select="mpegvideo startcode vc1_decoder"

  2562. 

  2563. # bitstream_filters

  2564. mjpeg2jpeg_bsf_select="jpegtables"

  2565. 

  2566. # external libraries

  2567. chromaprint_muxer_deps="chromaprint"

  2568. libaacplus_encoder_deps="libaacplus"

  2569. libcelt_decoder_deps="libcelt"

  2570. libdcadec_decoder_deps="libdcadec"

  2571. libfaac_encoder_deps="libfaac"

  2572. libfaac_encoder_select="audio_frame_queue"

  2573. libfdk_aac_decoder_deps="libfdk_aac"

  2574. libfdk_aac_encoder_deps="libfdk_aac"

  2575. libfdk_aac_encoder_select="audio_frame_queue"

  2576. libgme_demuxer_deps="libgme"

  2577. libgsm_decoder_deps="libgsm"

  2578. libgsm_encoder_deps="libgsm"

  2579. libgsm_ms_decoder_deps="libgsm"

  2580. libgsm_ms_encoder_deps="libgsm"

  2581. libilbc_decoder_deps="libilbc"

  2582. libilbc_encoder_deps="libilbc"

  2583. libkvazaar_encoder_deps="libkvazaar"

  2584. libmodplug_demuxer_deps="libmodplug"

  2585. libmp3lame_encoder_deps="libmp3lame"

  2586. libmp3lame_encoder_select="audio_frame_queue"

  2587. libopencore_amrnb_decoder_deps="libopencore_amrnb"

  2588. libopencore_amrnb_encoder_deps="libopencore_amrnb"

  2589. libopencore_amrnb_encoder_select="audio_frame_queue"

  2590. libopencore_amrwb_decoder_deps="libopencore_amrwb"

  2591. libopenh264_encoder_deps="libopenh264"

  2592. libopenjpeg_decoder_deps="libopenjpeg"

  2593. libopenjpeg_encoder_deps="libopenjpeg"

  2594. libopus_decoder_deps="libopus"

  2595. libopus_encoder_deps="libopus"

  2596. libopus_encoder_select="audio_frame_queue"

  2597. libquvi_demuxer_deps="libquvi"

  2598. libschroedinger_decoder_deps="libschroedinger"

  2599. libschroedinger_encoder_deps="libschroedinger"

  2600. libshine_encoder_deps="libshine"

  2601. libshine_encoder_select="audio_frame_queue"

  2602. libspeex_decoder_deps="libspeex"

  2603. libspeex_encoder_deps="libspeex"

  2604. libspeex_encoder_select="audio_frame_queue"

  2605. libstagefright_h264_decoder_deps="libstagefright_h264"

  2606. libtheora_encoder_deps="libtheora"

  2607. libtwolame_encoder_deps="libtwolame"

  2608. libvo_aacenc_encoder_deps="libvo_aacenc"

  2609. libvo_aacenc_encoder_select="audio_frame_queue"

  2610. libvo_amrwbenc_encoder_deps="libvo_amrwbenc"

  2611. libvorbis_decoder_deps="libvorbis"

  2612. libvorbis_encoder_deps="libvorbis"

  2613. libvorbis_encoder_select="audio_frame_queue"

  2614. libvpx_vp8_decoder_deps="libvpx"

  2615. libvpx_vp8_encoder_deps="libvpx"

  2616. libvpx_vp9_decoder_deps="libvpx"

  2617. libvpx_vp9_encoder_deps="libvpx"

  2618. libwavpack_encoder_deps="libwavpack"

  2619. libwebp_encoder_deps="libwebp"

  2620. libwebp_anim_encoder_deps="libwebp"

  2621. libx262_encoder_deps="libx262"

  2622. libx264_encoder_deps="libx264"

  2623. libx264rgb_encoder_deps="libx264"

  2624. libx264rgb_encoder_select="libx264_encoder"

  2625. libx265_encoder_deps="libx265"

  2626. libxavs_encoder_deps="libxavs"

  2627. libxvid_encoder_deps="libxvid"

  2628. libutvideo_decoder_deps="libutvideo"

  2629. libutvideo_encoder_deps="libutvideo"

  2630. libzvbi_teletext_decoder_deps="libzvbi"

  2631. nvenc_encoder_deps="nvenc"

  2632. nvenc_h264_encoder_deps="nvenc"

  2633. nvenc_hevc_encoder_deps="nvenc"

  2634. 

  2635. # demuxers / muxers

  2636. ac3_demuxer_select="ac3_parser"

  2637. asf_demuxer_select="riffdec"

  2638. asf_o_demuxer_select="riffdec"

  2639. asf_muxer_select="riffenc"

  2640. asf_stream_muxer_select="asf_muxer"

  2641. avi_demuxer_select="riffdec exif"

  2642. avi_muxer_select="riffenc"

  2643. avisynth_demuxer_deps="avisynth"

  2644. avisynth_demuxer_select="riffdec"

  2645. caf_demuxer_select="riffdec"

  2646. dash_muxer_select="mp4_muxer"

  2647. dirac_demuxer_select="dirac_parser"

  2648. dts_demuxer_select="dca_parser"

  2649. dtshd_demuxer_select="dca_parser"

  2650. dv_demuxer_select="dvprofile"

  2651. dv_muxer_select="dvprofile"

  2652. dxa_demuxer_select="riffdec"

  2653. eac3_demuxer_select="ac3_parser"

  2654. f4v_muxer_select="mov_muxer"

  2655. flac_demuxer_select="flac_parser"

  2656. hds_muxer_select="flv_muxer"

  2657. hls_muxer_select="mpegts_muxer"

  2658. image2_alias_pix_demuxer_select="image2_demuxer"

  2659. image2_brender_pix_demuxer_select="image2_demuxer"

  2660. ipod_muxer_select="mov_muxer"

  2661. ismv_muxer_select="mov_muxer"

  2662. libnut_demuxer_deps="libnut"

  2663. libnut_muxer_deps="libnut"

  2664. matroska_audio_muxer_select="matroska_muxer"

  2665. matroska_demuxer_select="riffdec"

  2666. matroska_demuxer_suggest="bzlib lzo zlib"

  2667. matroska_muxer_select="riffenc"

  2668. mmf_muxer_select="riffenc"

  2669. mov_demuxer_select="riffdec"

  2670. mov_demuxer_suggest="zlib"

  2671. mov_muxer_select="riffenc rtpenc_chain"

  2672. mp3_demuxer_select="mpegaudio_parser"

  2673. mp4_muxer_select="mov_muxer"

  2674. mpegts_muxer_select="adts_muxer latm_muxer"

  2675. mpegtsraw_demuxer_select="mpegts_demuxer"

  2676. mxf_d10_muxer_select="mxf_muxer"

  2677. mxf_opatom_muxer_select="mxf_muxer"

  2678. nut_muxer_select="riffenc"

  2679. nuv_demuxer_select="riffdec"

  2680. oga_muxer_select="ogg_muxer"

  2681. ogg_demuxer_select="golomb"

  2682. opus_muxer_select="ogg_muxer"

  2683. psp_muxer_select="mov_muxer"

  2684. rtp_demuxer_select="sdp_demuxer"

  2685. rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"

  2686. rtsp_demuxer_select="http_protocol rtpdec"

  2687. rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"

  2688. sap_demuxer_select="sdp_demuxer"

  2689. sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"

  2690. sdp_demuxer_select="rtpdec"

  2691. smoothstreaming_muxer_select="ismv_muxer"

  2692. spdif_muxer_select="aac_parser"

  2693. spx_muxer_select="ogg_muxer"

  2694. tak_demuxer_select="tak_parser"

  2695. tg2_muxer_select="mov_muxer"

  2696. tgp_muxer_select="mov_muxer"

  2697. vobsub_demuxer_select="mpegps_demuxer"

  2698. w64_demuxer_select="wav_demuxer"

  2699. w64_muxer_select="wav_muxer"

  2700. wav_demuxer_select="riffdec"

  2701. wav_muxer_select="riffenc"

  2702. webm_muxer_select="riffenc"

  2703. wtv_demuxer_select="riffdec"

  2704. wtv_muxer_select="riffenc"

  2705. xmv_demuxer_select="riffdec"

  2706. xwma_demuxer_select="riffdec"

  2707. 

  2708. # indevs / outdevs

  2709. alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"

  2710. alsa_outdev_deps="alsa_asoundlib_h"

  2711. avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"

  2712. avfoundation_indev_select="avfoundation"

  2713. bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"

  2714. caca_outdev_deps="libcaca"

  2715. decklink_outdev_deps="decklink pthreads"

  2716. decklink_outdev_extralibs="-lstdc++"

  2717. decklink_indev_deps="decklink pthreads"

  2718. decklink_indev_extralibs="-lstdc++"

  2719. dshow_indev_deps="IBaseFilter"

  2720. dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"

  2721. dv1394_indev_deps="dv1394"

  2722. dv1394_indev_select="dv_demuxer"

  2723. fbdev_indev_deps="linux_fb_h"

  2724. fbdev_outdev_deps="linux_fb_h"

  2725. gdigrab_indev_deps="CreateDIBSection"

  2726. gdigrab_indev_extralibs="-lgdi32"

  2727. gdigrab_indev_select="bmp_decoder"

  2728. iec61883_indev_deps="libiec61883"

  2729. jack_indev_deps="jack_jack_h sem_timedwait"

  2730. lavfi_indev_deps="avfilter"

  2731. libcdio_indev_deps="libcdio"

  2732. libdc1394_indev_deps="libdc1394"

  2733. libv4l2_indev_deps="libv4l2"

  2734. openal_indev_deps="openal"

  2735. opengl_outdev_deps="opengl"

  2736. oss_indev_deps_any="soundcard_h sys_soundcard_h"

  2737. oss_outdev_deps_any="soundcard_h sys_soundcard_h"

  2738. pulse_indev_deps="libpulse"

  2739. pulse_outdev_deps="libpulse"

  2740. qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"

  2741. qtkit_indev_select="qtkit"

  2742. sdl_outdev_deps="sdl"

  2743. sndio_indev_deps="sndio_h"

  2744. sndio_outdev_deps="sndio_h"

  2745. v4l_indev_deps="linux_videodev_h"

  2746. v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"

  2747. v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"

  2748. vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"

  2749. vfwcap_indev_extralibs="-lavicap32"

  2750. xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"

  2751. xv_outdev_extralibs="-lXv -lX11 -lXext"

  2752. x11grab_indev_deps="x11grab"

  2753. x11grab_xcb_indev_deps="libxcb"

  2754. 

  2755. # protocols

  2756. async_protocol_deps="threads"

  2757. bluray_protocol_deps="libbluray"

  2758. ffrtmpcrypt_protocol_deps="!librtmp_protocol"

  2759. ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"

  2760. ffrtmpcrypt_protocol_select="tcp_protocol"

  2761. ffrtmphttp_protocol_deps="!librtmp_protocol"

  2762. ffrtmphttp_protocol_select="http_protocol"

  2763. ftp_protocol_select="tcp_protocol"

  2764. gopher_protocol_select="network"

  2765. http_protocol_select="tcp_protocol"

  2766. httpproxy_protocol_select="tcp_protocol"

  2767. https_protocol_select="tls_protocol"

  2768. icecast_protocol_select="http_protocol"

  2769. librtmp_protocol_deps="librtmp"

  2770. librtmpe_protocol_deps="librtmp"

  2771. librtmps_protocol_deps="librtmp"

  2772. librtmpt_protocol_deps="librtmp"

  2773. librtmpte_protocol_deps="librtmp"

  2774. libsmbclient_protocol_deps="libsmbclient gplv3"

  2775. libssh_protocol_deps="libssh"

  2776. mmsh_protocol_select="http_protocol"

  2777. mmst_protocol_select="network"

  2778. rtmp_protocol_deps="!librtmp_protocol"

  2779. rtmp_protocol_select="tcp_protocol"

  2780. rtmpe_protocol_select="ffrtmpcrypt_protocol"

  2781. rtmps_protocol_deps="!librtmp_protocol"

  2782. rtmps_protocol_select="tls_protocol"

  2783. rtmpt_protocol_select="ffrtmphttp_protocol"

  2784. rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"

  2785. rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"

  2786. rtp_protocol_select="udp_protocol"

  2787. sctp_protocol_deps="struct_sctp_event_subscribe"

  2788. sctp_protocol_select="network"

  2789. srtp_protocol_select="rtp_protocol"

  2790. tcp_protocol_select="network"

  2791. tls_gnutls_protocol_deps="gnutls !tls_schannel_protocol !tls_securetransport_protocol"

  2792. tls_gnutls_protocol_select="tcp_protocol"

  2793. tls_openssl_protocol_deps="openssl !tls_schannel_protocol !tls_securetransport_protocol !tls_gnutls_protocol"

  2794. tls_openssl_protocol_select="tcp_protocol"

  2795. tls_schannel_protocol_deps="schannel"

  2796. tls_schannel_protocol_select="tcp_protocol"

  2797. tls_securetransport_protocol_deps="securetransport"

  2798. tls_securetransport_protocol_select="tcp_protocol"

  2799. tls_protocol_deps_any="tls_schannel_protocol tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"

  2800. udp_protocol_select="network"

  2801. udplite_protocol_select="network"

  2802. unix_protocol_deps="sys_un_h"

  2803. unix_protocol_select="network"

  2804. 

  2805. # filters

  2806. aemphasis_filter_deps="cabs cexp"

  2807. amovie_filter_deps="avcodec avformat"

  2808. aresample_filter_deps="swresample"

  2809. ass_filter_deps="libass"

  2810. asyncts_filter_deps="avresample"

  2811. atempo_filter_deps="avcodec"

  2812. atempo_filter_select="rdft"

  2813. azmq_filter_deps="libzmq"

  2814. blackframe_filter_deps="gpl"

  2815. boxblur_filter_deps="gpl"

  2816. bs2b_filter_deps="libbs2b"

  2817. colormatrix_filter_deps="gpl"

  2818. cover_rect_filter_deps="avcodec avformat gpl"

  2819. cropdetect_filter_deps="gpl"

  2820. delogo_filter_deps="gpl"

  2821. deshake_filter_select="pixelutils"

  2822. drawtext_filter_deps="libfreetype"

  2823. dynaudnorm_filter_deps="copysign erf"

  2824. ebur128_filter_deps="gpl"

  2825. eq_filter_deps="gpl"

  2826. fftfilt_filter_deps="avcodec"

  2827. fftfilt_filter_select="rdft"

  2828. flite_filter_deps="libflite"

  2829. find_rect_filter_deps="avcodec avformat gpl"

  2830. frei0r_filter_deps="frei0r dlopen"

  2831. frei0r_src_filter_deps="frei0r dlopen"

  2832. fspp_filter_deps="gpl"

  2833. geq_filter_deps="gpl"

  2834. histeq_filter_deps="gpl"

  2835. hqdn3d_filter_deps="gpl"

  2836. interlace_filter_deps="gpl"

  2837. kerndeint_filter_deps="gpl"

  2838. ladspa_filter_deps="ladspa dlopen"

  2839. mcdeint_filter_deps="avcodec gpl"

  2840. movie_filter_deps="avcodec avformat"

  2841. mpdecimate_filter_deps="gpl"

  2842. mpdecimate_filter_select="pixelutils"

  2843. mptestsrc_filter_deps="gpl"

  2844. negate_filter_deps="lut_filter"

  2845. perspective_filter_deps="gpl"

  2846. pp7_filter_deps="gpl"

  2847. ocr_filter_deps="libtesseract"

  2848. ocv_filter_deps="libopencv"

  2849. owdenoise_filter_deps="gpl"

  2850. pan_filter_deps="swresample"

  2851. phase_filter_deps="gpl"

  2852. pp_filter_deps="gpl postproc"

  2853. pullup_filter_deps="gpl"

  2854. removelogo_filter_deps="avcodec avformat swscale"

  2855. repeatfields_filter_deps="gpl"

  2856. resample_filter_deps="avresample"

  2857. rubberband_filter_deps="librubberband"

  2858. sab_filter_deps="gpl swscale"

  2859. scale_filter_deps="swscale"

  2860. scale2ref_filter_deps="swscale"

  2861. select_filter_select="pixelutils"

  2862. smartblur_filter_deps="gpl swscale"

  2863. showcqt_filter_deps="avcodec avformat swscale"

  2864. showcqt_filter_select="fft"

  2865. showfreqs_filter_deps="avcodec"

  2866. showfreqs_filter_select="fft"

  2867. showspectrum_filter_deps="avcodec"

  2868. showspectrum_filter_select="rdft"

  2869. spp_filter_deps="gpl avcodec"

  2870. spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"

  2871. stereo3d_filter_deps="gpl"

  2872. subtitles_filter_deps="avformat avcodec libass"

  2873. super2xsai_filter_deps="gpl"

  2874. tinterlace_filter_deps="gpl"

  2875. vidstabdetect_filter_deps="libvidstab"

  2876. vidstabtransform_filter_deps="libvidstab"

  2877. pixfmts_super2xsai_test_deps="super2xsai_filter"

  2878. tinterlace_merge_test_deps="tinterlace_filter"

  2879. tinterlace_pad_test_deps="tinterlace_filter"

  2880. uspp_filter_deps="gpl avcodec"

  2881. zmq_filter_deps="libzmq"

  2882. zoompan_filter_deps="swscale"

  2883. zscale_filter_deps="libzimg"

  2884. 

  2885. # examples

  2886. avio_reading="avformat avcodec avutil"

  2887. avio_dir_cmd="avformat avutil"

  2888. avcodec_example_deps="avcodec avutil"

  2889. decoding_encoding_example_deps="avcodec avformat avutil"

  2890. demuxing_decoding_example_deps="avcodec avformat avutil"

  2891. extract_mvs_example_deps="avcodec avformat avutil"

  2892. filter_audio_example_deps="avfilter avutil"

  2893. filtering_audio_example_deps="avfilter avcodec avformat avutil"

  2894. filtering_video_example_deps="avfilter avcodec avformat avutil"

  2895. metadata_example_deps="avformat avutil"

  2896. muxing_example_deps="avcodec avformat avutil swscale"

  2897. qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"

  2898. remuxing_example_deps="avcodec avformat avutil"

  2899. resampling_audio_example_deps="avutil swresample"

  2900. scaling_video_example_deps="avutil swscale"

  2901. transcode_aac_example_deps="avcodec avformat swresample"

  2902. transcoding_example_deps="avfilter avcodec avformat avutil"

  2903. 

  2904. # libraries, in linking order

  2905. avcodec_deps="avutil"

  2906. avdevice_deps="avformat avcodec avutil"

  2907. avfilter_deps="avutil"

  2908. avformat_deps="avcodec avutil"

  2909. avresample_deps="avutil"

  2910. postproc_deps="avutil gpl"

  2911. swresample_deps="avutil"

  2912. swscale_deps="avutil"

  2913. 

  2914. # programs

  2915. ffmpeg_deps="avcodec avfilter avformat swresample"

  2916. ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter

  2917.                null_filter

  2918.                setpts_filter trim_filter"

  2919. ffplay_deps="avcodec avformat swscale swresample sdl"

  2920. ffplay_libs='$sdl_libs'

  2921. ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"

  2922. ffprobe_deps="avcodec avformat"

  2923. ffserver_deps="avformat fork sarestart"

  2924. ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"

  2925. 

  2926. # documentation

  2927. podpages_deps="perl"

  2928. manpages_deps="perl pod2man"

  2929. htmlpages_deps="perl"

  2930. htmlpages_deps_any="makeinfo_html texi2html"

  2931. txtpages_deps="perl makeinfo"

  2932. doc_deps_any="manpages htmlpages podpages txtpages"

  2933. 

  2934. # default parameters

  2935. 

  2936. logfile="config.log"

  2937. 

  2938. # installation paths

  2939. prefix_default="/usr/local"

  2940. bindir_default='${prefix}/bin'

  2941. datadir_default='${prefix}/share/ffmpeg'

  2942. docdir_default='${prefix}/share/doc/ffmpeg'

  2943. incdir_default='${prefix}/include'

  2944. libdir_default='${prefix}/lib'

  2945. mandir_default='${prefix}/share/man'

  2946. 

  2947. # toolchain

  2948. ar_default="ar"

  2949. cc_default="gcc"

  2950. cxx_default="g++"

  2951. host_cc_default="gcc"

  2952. cp_f="cp -f"

  2953. doxygen_default="doxygen"

  2954. install="install"

  2955. ln_s="ln -s -f"

  2956. nm_default="nm -g"

  2957. objformat="elf"

  2958. pkg_config_default=pkg-config

  2959. ranlib_default="ranlib"

  2960. strip_default="strip"

  2961. yasmexe_default="yasm"

  2962. windres_default="windres"

  2963. 

  2964. # OS

  2965. target_os_default=$(tolower $(uname -s))

  2966. host_os=$target_os_default

  2967. 

  2968. # machine

  2969. if test "$target_os_default" = aix; then

  2970.     arch_default=$(uname -p)

  2971.     strip_default="strip -X32_64"

  2972. else

  2973.     arch_default=$(uname -m)

  2974. fi

  2975. cpu="generic"

  2976. intrinsics="none"

  2977. 

  2978. # configurable options

  2979. enable $PROGRAM_LIST

  2980. enable $DOCUMENT_LIST

  2981. enable $EXAMPLE_LIST

  2982. enable $(filter_out avresample $LIBRARY_LIST)

  2983. enable stripping

  2984. 

  2985. enable asm

  2986. enable debug

  2987. enable doc

  2988. enable faan faandct faanidct

  2989. enable optimizations

  2990. enable runtime_cpudetect

  2991. enable safe_bitstream_reader

  2992. enable static

  2993. enable swscale_alpha

  2994. enable valgrind_backtrace

  2995. 

  2996. sws_max_filter_size_default=256

  2997. set_default sws_max_filter_size

  2998. 

  2999. # Enable hwaccels by default.

  3000. enable d3d11va dxva2 vaapi vda vdpau videotoolbox xvmc

  3001. enable xlib

  3002. 

  3003. # build settings

  3004. SHFLAGS='-shared -Wl,-soname,$$(@F)'

  3005. LIBPREF="lib"

  3006. LIBSUF=".a"

  3007. FULLNAME='$(NAME)$(BUILDSUF)'

  3008. LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'

  3009. SLIBPREF="lib"

  3010. SLIBSUF=".so"

  3011. SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'

  3012. SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'

  3013. SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'

  3014. LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'

  3015. SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'

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

  3017. 

  3018. asflags_filter=echo

  3019. cflags_filter=echo

  3020. ldflags_filter=echo

  3021. 

  3022. AS_C='-c'

  3023. AS_O='-o $@'

  3024. CC_C='-c'

  3025. CC_E='-E -o $@'

  3026. CC_O='-o $@'

  3027. CXX_C='-c'

  3028. CXX_O='-o $@'

  3029. LD_O='-o $@'

  3030. LD_LIB='-l%'

  3031. LD_PATH='-L'

  3032. HOSTCC_C='-c'

  3033. HOSTCC_E='-E -o $@'

  3034. HOSTCC_O='-o $@'

  3035. HOSTLD_O='-o $@'

  3036. 

  3037. host_libs='-lm'

  3038. host_cflags_filter=echo

  3039. host_ldflags_filter=echo

  3040. 

  3041. target_path='$(CURDIR)'

  3042. 

  3043. # since the object filename is not given with the -MM flag, the compiler

  3044. # is only able to print the basename, and we must add the path ourselves

  3045. DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'

  3046. DEPFLAGS='-MM'

  3047. 

  3048. # find source path

  3049. if test -f configure; then

  3050.     source_path=.

  3051. else

  3052.     source_path=$(cd $(dirname "$0"); pwd)

  3053.     case "$source_path" in

  3054.         *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;

  3055.     esac

  3056.     test -e "$source_path/config.h" &&

  3057.         die "Out of tree builds are impossible with config.h in source dir."

  3058. fi

  3059. 

  3060. for v in "$@"; do

  3061.     r=${v#*=}

  3062.     l=${v%"$r"}

  3063.     r=$(sh_quote "$r")

  3064.     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"

  3065. done

  3066. 

  3067. find_things(){

  3068.     thing=$1

  3069.     pattern=$2

  3070.     file=$source_path/$3

  3071.     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"

  3072. }

  3073. 

  3074. ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)

  3075. DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)

  3076. HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)

  3077. PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)

  3078. BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)

  3079. MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)

  3080. DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)

  3081. OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)

  3082. INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)

  3083. PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)

  3084. FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)

  3085. 

  3086. ALL_COMPONENTS="

  3087.     $BSF_LIST

  3088.     $DECODER_LIST

  3089.     $DEMUXER_LIST

  3090.     $ENCODER_LIST

  3091.     $FILTER_LIST

  3092.     $HWACCEL_LIST

  3093.     $INDEV_LIST

  3094.     $MUXER_LIST

  3095.     $OUTDEV_LIST

  3096.     $PARSER_LIST

  3097.     $PROTOCOL_LIST

  3098. "

  3099. 

  3100. for n in $COMPONENT_LIST; do

  3101.     v=$(toupper ${n%s})_LIST

  3102.     eval enable \$$v

  3103.     eval ${n}_if_any="\$$v"

  3104. done

  3105. 

  3106. enable $ARCH_EXT_LIST

  3107. 

  3108. die_unknown(){

  3109.     echo "Unknown option \"$1\"."

  3110.     echo "See $0 --help for available options."

  3111.     exit 1

  3112. }

  3113. 

  3114. print_in_columns() {

  3115.     cols=$(expr $ncols / 24)

  3116.     cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t

  3117. }

  3118. 

  3119. show_list() {

  3120.     suffix=_$1

  3121.     shift

  3122.     echo $* | sed s/$suffix//g | print_in_columns

  3123.     exit 0

  3124. }

  3125. 

  3126. rand_list(){

  3127.     IFS=', '

  3128.     set -- $*

  3129.     unset IFS

  3130.     for thing; do

  3131.         comp=${thing%:*}

  3132.         prob=${thing#$comp}

  3133.         prob=${prob#:}

  3134.         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST

  3135.         echo "prob ${prob:-0.5}"

  3136.         printf '%s\n' $comp

  3137.     done

  3138. }

  3139. 

  3140. do_random(){

  3141.     action=$1

  3142.     shift

  3143.     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")

  3144.     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")

  3145. }

  3146. 

  3147. for opt do

  3148.     optval="${opt#*=}"

  3149.     case "$opt" in

  3150.         --extra-ldflags=*)

  3151.             add_ldflags $optval

  3152.         ;;

  3153.         --extra-ldexeflags=*)

  3154.             add_ldexeflags $optval

  3155.         ;;

  3156.         --extra-ldlibflags=*)

  3157.             add_ldlibflags $optval

  3158.         ;;

  3159.         --extra-libs=*)

  3160.             add_extralibs $optval

  3161.         ;;

  3162.         --disable-devices)

  3163.             disable $INDEV_LIST $OUTDEV_LIST

  3164.         ;;

  3165.         --enable-debug=*)

  3166.             debuglevel="$optval"

  3167.         ;;

  3168.         --disable-programs)

  3169.             disable $PROGRAM_LIST

  3170.         ;;

  3171.         --disable-everything)

  3172.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3173.         ;;

  3174.         --disable-all)

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

  3176.             disable $LIBRARY_LIST $PROGRAM_LIST doc

  3177.             enable avutil

  3178.         ;;

  3179.         --enable-random|--disable-random)

  3180.             action=${opt%%-random}

  3181.             do_random ${action#--} $COMPONENT_LIST

  3182.         ;;

  3183.         --enable-random=*|--disable-random=*)

  3184.             action=${opt%%-random=*}

  3185.             do_random ${action#--} $optval

  3186.         ;;

  3187.         --enable-*=*|--disable-*=*)

  3188.             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')

  3189.             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"

  3190.             eval list=\$$(toupper $thing)_LIST

  3191.             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}

  3192.             list=$(filter "$name" $list)

  3193.             [ "$list" = "" ] && warn "Option $opt did not match anything"

  3194.             $action $list

  3195.         ;;

  3196.         --enable-?*|--disable-?*)

  3197.             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')

  3198.             if is_in $option $COMPONENT_LIST; then

  3199.                 test $action = disable && action=unset

  3200.                 eval $action \$$(toupper ${option%s})_LIST

  3201.             elif is_in $option $CMDLINE_SELECT; then

  3202.                 $action $option

  3203.             else

  3204.                 die_unknown $opt

  3205.             fi

  3206.         ;;

  3207.         --list-*)

  3208.             NAME="${opt#--list-}"

  3209.             is_in $NAME $COMPONENT_LIST || die_unknown $opt

  3210.             NAME=${NAME%s}

  3211.             eval show_list $NAME \$$(toupper $NAME)_LIST

  3212.         ;;

  3213.         --help|-h) show_help

  3214.         ;;

  3215.         --fatal-warnings) enable fatal_warnings

  3216.         ;;

  3217.         *)

  3218.             optname="${opt%%=*}"

  3219.             optname="${optname#--}"

  3220.             optname=$(echo "$optname" | sed 's/-/_/g')

  3221.             if is_in $optname $CMDLINE_SET; then

  3222.                 eval $optname='$optval'

  3223.             elif is_in $optname $CMDLINE_APPEND; then

  3224.                 append $optname "$optval"

  3225.             else

  3226.                 die_unknown $opt

  3227.             fi

  3228.         ;;

  3229.     esac

  3230. done

  3231. 

  3232. for e in $env; do

  3233.     eval "export $e"

  3234. done

  3235. 

  3236. disabled logging && logfile=/dev/null

  3237. 

  3238. # Disable all the library-specific components if the library itself

  3239. # is disabled, see AVCODEC_LIST and following _LIST variables.

  3240. 

  3241. disable_components(){

  3242.     disabled ${1} && disable $(

  3243.         eval components="\$$(toupper ${1})_COMPONENTS"

  3244.         map 'eval echo \${$(toupper ${v%s})_LIST}' $components

  3245.     )

  3246. }

  3247. 

  3248. map 'disable_components $v' $LIBRARY_LIST

  3249. 

  3250. echo "# $0 $FFMPEG_CONFIGURATION" > $logfile

  3251. set >> $logfile

  3252. 

  3253. test -n "$valgrind" && toolchain="valgrind-memcheck"

  3254. 

  3255. case "$toolchain" in

  3256.     clang-asan)

  3257.         cc_default="clang"

  3258.         add_cflags  -fsanitize=address

  3259.         add_ldflags -fsanitize=address

  3260.     ;;

  3261.     clang-tsan)

  3262.         cc_default="clang"

  3263.         add_cflags  -fsanitize=thread -pie

  3264.         add_ldflags -fsanitize=thread -pie

  3265.     ;;

  3266.     clang-usan)

  3267.         cc_default="clang"

  3268.         add_cflags  -fsanitize=undefined

  3269.         add_ldflags -fsanitize=undefined

  3270.     ;;

  3271.     gcc-asan)

  3272.         cc_default="gcc"

  3273.         add_cflags  -fsanitize=address

  3274.         add_ldflags -fsanitize=address

  3275.     ;;

  3276.     gcc-tsan)

  3277.         cc_default="gcc"

  3278.         add_cflags  -fsanitize=thread -pie -fPIC

  3279.         add_ldflags -fsanitize=thread -pie -fPIC

  3280.     ;;

  3281.     gcc-usan)

  3282.         cc_default="gcc"

  3283.         add_cflags  -fsanitize=undefined

  3284.         add_ldflags -fsanitize=undefined

  3285.     ;;

  3286.     valgrind-massif)

  3287.         target_exec_default=${valgrind:-"valgrind"}

  3288.         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"

  3289.     ;;

  3290.     valgrind-memcheck)

  3291.         target_exec_default=${valgrind:-"valgrind"}

  3292.         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"

  3293.     ;;

  3294.     msvc)

  3295.         # Check whether the current MSVC version needs the C99 converter.

  3296.         # From MSVC 2013 (compiler major version 18) onwards, it does actually

  3297.         # support enough of C99 to build ffmpeg. Default to the new

  3298.         # behaviour if the regexp was unable to match anything, since this

  3299.         # successfully parses the version number of existing supported

  3300.         # versions that require the converter (MSVC 2010 and 2012).

  3301.         cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')

  3302.         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then

  3303.             cc_default="cl"

  3304.         else

  3305.             cc_default="c99wrap cl"

  3306.         fi

  3307.         ld_default="$source_path/compat/windows/mslink"

  3308.         nm_default="dumpbin -symbols"

  3309.         ar_default="lib"

  3310.         case "$arch" in

  3311.         arm*)

  3312.             as_default="armasm"

  3313.             ;;

  3314.         esac

  3315.         target_os_default="win32"

  3316.         # Use a relative path for TMPDIR. This makes sure all the

  3317.         # ffconf temp files are written with a relative path, avoiding

  3318.         # issues with msys/win32 path conversion for MSVC parameters

  3319.         # such as -Fo<file> or -out:<file>.

  3320.         TMPDIR=.

  3321.     ;;

  3322.     icl)

  3323.         cc_default="icl"

  3324.         ld_default="xilink"

  3325.         nm_default="dumpbin -symbols"

  3326.         ar_default="xilib"

  3327.         target_os_default="win32"

  3328.         TMPDIR=.

  3329.     ;;

  3330.     gcov)

  3331.         add_cflags  -fprofile-arcs -ftest-coverage

  3332.         add_ldflags -fprofile-arcs -ftest-coverage

  3333.     ;;

  3334.     hardened)

  3335.         add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2

  3336.         add_cflags   -fno-strict-overflow -fstack-protector-all

  3337.         add_ldflags  -Wl,-z,relro -Wl,-z,now

  3338.     ;;

  3339.     ?*)

  3340.         die "Unknown toolchain $toolchain"

  3341.     ;;

  3342. esac

  3343. 

  3344. test -n "$cross_prefix" && enable cross_compile

  3345. 

  3346. if enabled cross_compile; then

  3347.     test -n "$arch" && test -n "$target_os" ||

  3348.         die "Must specify target arch and OS when cross-compiling"

  3349. fi

  3350. 

  3351. ar_default="${cross_prefix}${ar_default}"

  3352. cc_default="${cross_prefix}${cc_default}"

  3353. cxx_default="${cross_prefix}${cxx_default}"

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

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

  3356. if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then

  3357.     ranlib_default="${cross_prefix}${ranlib_default} -D"

  3358. else

  3359.     ranlib_default="${cross_prefix}${ranlib_default}"

  3360. fi

  3361. strip_default="${cross_prefix}${strip_default}"

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

  3363. 

  3364. sysinclude_default="${sysroot}/usr/include"

  3365. 

  3366. set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \

  3367.     target_exec target_os yasmexe

  3368. enabled cross_compile || host_cc_default=$cc

  3369. set_default host_cc

  3370. 

  3371. pkg_config_fail_message=""

  3372. if ! $pkg_config --version >/dev/null 2>&1; then

  3373.     warn "$pkg_config not found, library detection may fail."

  3374.     pkg_config=false

  3375. elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then

  3376.     pkg_config_fail_message="

  3377. Note: When building a static binary, add --pkg-config-flags=\"--static\"."

  3378. fi

  3379. 

  3380. if test $doxygen != $doxygen_default && \

  3381.   ! $doxygen --version >/dev/null 2>&1; then

  3382.     warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."

  3383. fi

  3384. 

  3385. exesuf() {

  3386.     case $1 in

  3387.         mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;

  3388.     esac

  3389. }

  3390. 

  3391. EXESUF=$(exesuf $target_os)

  3392. HOSTEXESUF=$(exesuf $host_os)

  3393. 

  3394. # set temporary file name

  3395. : ${TMPDIR:=$TEMPDIR}

  3396. : ${TMPDIR:=$TMP}

  3397. : ${TMPDIR:=/tmp}

  3398. 

  3399. if [ -n "$tempprefix" ] ; then

  3400.     mktemp(){

  3401.         echo $tempprefix.${HOSTNAME}.${UID}

  3402.     }

  3403. elif ! check_cmd mktemp -u XXXXXX; then

  3404.     # simple replacement for missing mktemp

  3405.     # NOT SAFE FOR GENERAL USE

  3406.     mktemp(){

  3407.         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"

  3408.     }

  3409. fi

  3410. 

  3411. tmpfile(){

  3412.     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&

  3413.         (set -C; exec > $tmp) 2>/dev/null ||

  3414.         die "Unable to create temporary file in $TMPDIR."

  3415.     append TMPFILES $tmp

  3416.     eval $1=$tmp

  3417. }

  3418. 

  3419. trap 'rm -f -- $TMPFILES' EXIT

  3420. 

  3421. tmpfile TMPASM .asm

  3422. tmpfile TMPC   .c

  3423. tmpfile TMPCPP .cpp

  3424. tmpfile TMPE   $EXESUF

  3425. tmpfile TMPH   .h

  3426. tmpfile TMPM   .m

  3427. tmpfile TMPO   .o

  3428. tmpfile TMPS   .S

  3429. tmpfile TMPSH  .sh

  3430. tmpfile TMPV   .ver

  3431. 

  3432. unset -f mktemp

  3433. 

  3434. chmod +x $TMPE

  3435. 

  3436. # make sure we can execute files in $TMPDIR

  3437. cat > $TMPSH 2>> $logfile <<EOF

  3438. #! /bin/sh

  3439. EOF

  3440. chmod +x $TMPSH >> $logfile 2>&1

  3441. if ! $TMPSH >> $logfile 2>&1; then

  3442.     cat <<EOF

  3443. Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment

  3444. variable to another directory and make sure that it is not mounted noexec.

  3445. EOF

  3446.     die "Sanity test failed."

  3447. fi

  3448. 

  3449. armasm_flags(){

  3450.     for flag; do

  3451.         case $flag in

  3452.             # Filter out MSVC cl.exe options from cflags that shouldn't

  3453.             # be passed to gas-preprocessor

  3454.             -M[TD]*)                                            ;;

  3455.             *)                  echo $flag                      ;;

  3456.         esac

  3457.    done

  3458. }

  3459. 

  3460. ccc_flags(){

  3461.     for flag; do

  3462.         case $flag in

  3463.             -std=c99)           echo -c99                       ;;

  3464.             -mcpu=*)            echo -arch ${flag#*=}           ;;

  3465.             -mieee)             echo -ieee                      ;;

  3466.             -O*|-fast)          echo $flag                      ;;

  3467.             -fno-math-errno)    echo -assume nomath_errno       ;;

  3468.             -g)                 echo -g3                        ;;

  3469.             -Wall)              echo -msg_enable level2         ;;

  3470.             -Wno-pointer-sign)  echo -msg_disable ptrmismatch1  ;;

  3471.             -Wl,*)              echo $flag                      ;;

  3472.             -f*|-W*)                                            ;;

  3473.             *)                  echo $flag                      ;;

  3474.         esac

  3475.    done

  3476. }

  3477. 

  3478. cparser_flags(){

  3479.     for flag; do

  3480.         case $flag in

  3481.             -Wno-switch)             echo -Wno-switch-enum ;;

  3482.             -Wno-format-zero-length) ;;

  3483.             -Wdisabled-optimization) ;;

  3484.             -Wno-pointer-sign)       echo -Wno-other ;;

  3485.             *)                       echo $flag ;;

  3486.         esac

  3487.     done

  3488. }

  3489. 

  3490. msvc_common_flags(){

  3491.     for flag; do

  3492.         case $flag in

  3493.             # In addition to specifying certain flags under the compiler

  3494.             # specific filters, they must be specified here as well or else the

  3495.             # generic catch all at the bottom will print the original flag.

  3496.             -Wall)                ;;

  3497.             -std=c99)             ;;

  3498.             # Common flags

  3499.             -fomit-frame-pointer) ;;

  3500.             -g)                   echo -Z7 ;;

  3501.             -fno-math-errno)      ;;

  3502.             -fno-common)          ;;

  3503.             -fno-signed-zeros)    ;;

  3504.             -fPIC)                ;;

  3505.             -mthumb)              ;;

  3506.             -march=*)             ;;

  3507.             -lz)                  echo zlib.lib ;;

  3508.             -lavifil32)           echo vfw32.lib ;;

  3509.             -lavicap32)           echo vfw32.lib user32.lib ;;

  3510.             -l*)                  echo ${flag#-l}.lib ;;

  3511.             -LARGEADDRESSAWARE)   echo $flag ;;

  3512.             -L*)                  echo -libpath:${flag#-L} ;;

  3513.             *)                    echo $flag ;;

  3514.         esac

  3515.     done

  3516. }

  3517. 

  3518. msvc_flags(){

  3519.     msvc_common_flags "$@"

  3520.     for flag; do

  3521.         case $flag in

  3522.             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389     \

  3523.                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \

  3524.                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \

  3525.                                        -wd4307 \

  3526.                                        -wd4273 -wd4554 -wd4701 ;;

  3527.         esac

  3528.     done

  3529. }

  3530. 

  3531. icl_flags(){

  3532.     msvc_common_flags "$@"

  3533.     for flag; do

  3534.         case $flag in

  3535.             # Despite what Intel's documentation says -Wall, which is supported

  3536.             # on Windows, does enable remarks so disable them here.

  3537.             -Wall)                echo $flag -Qdiag-disable:remark ;;

  3538.             -std=c99)             echo -Qstd=c99 ;;

  3539.             -flto)                echo -ipo ;;

  3540.         esac

  3541.     done

  3542. }

  3543. 

  3544. icc_flags(){

  3545.     for flag; do

  3546.         case $flag in

  3547.             -flto)                echo -ipo ;;

  3548.             *)                    echo $flag ;;

  3549.         esac

  3550.     done

  3551. }

  3552. 

  3553. pgi_flags(){

  3554.     for flag; do

  3555.         case $flag in

  3556.             -flto)                echo -Mipa=fast,libopt,libinline,vestigial ;;

  3557.             -fomit-frame-pointer) echo -Mnoframe ;;

  3558.             -g)                   echo -gopt ;;

  3559.             *)                    echo $flag ;;

  3560.         esac

  3561.     done

  3562. }

  3563. 

  3564. suncc_flags(){

  3565.     for flag; do

  3566.         case $flag in

  3567.             -march=*|-mcpu=*)

  3568.                 case "${flag#*=}" in

  3569.                     native)                   echo -xtarget=native       ;;

  3570.                     v9|niagara)               echo -xarch=sparc          ;;

  3571.                     ultrasparc)               echo -xarch=sparcvis       ;;

  3572.                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;

  3573.                     i586|pentium)             echo -xchip=pentium        ;;

  3574.                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;

  3575.                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;

  3576.                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;

  3577.                     pentium4*)          echo -xtarget=pentium4           ;;

  3578.                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;

  3579.                     *-sse3)             echo -xarch=sse3                 ;;

  3580.                     core2)              echo -xarch=ssse3 -xchip=core2   ;;

  3581.                     bonnell)                   echo -xarch=ssse3         ;;

  3582.                     corei7|nehalem)            echo -xtarget=nehalem     ;;

  3583.                     westmere)                  echo -xtarget=westmere    ;;

  3584.                     silvermont)                echo -xarch=sse4_2        ;;

  3585.                     corei7-avx|sandybridge)    echo -xtarget=sandybridge ;;

  3586.                     core-avx*|ivybridge|haswell|broadwell)

  3587.                                                echo -xarch=avx           ;;

  3588.                     amdfam10|barcelona)        echo -xtarget=barcelona   ;;

  3589.                     btver1)                    echo -xarch=amdsse4a      ;;

  3590.                     btver2|bdver*)             echo -xarch=avx           ;;

  3591.                     athlon-4|athlon-[mx]p)     echo -xarch=ssea          ;;

  3592.                     k8|opteron|athlon64|athlon-fx)

  3593.                                                echo -xarch=sse2a         ;;

  3594.                     athlon*)                   echo -xarch=pentium_proa  ;;

  3595.                 esac

  3596.                 ;;

  3597.             -std=c99)             echo -xc99              ;;

  3598.             -fomit-frame-pointer) echo -xregs=frameptr    ;;

  3599.             -fPIC)                echo -KPIC -xcode=pic32 ;;

  3600.             -W*,*)                echo $flag              ;;

  3601.             -f*-*|-W*|-mimpure-text)                      ;;

  3602.             -shared)              echo -G                 ;;

  3603.             *)                    echo $flag              ;;

  3604.         esac

  3605.     done

  3606. }

  3607. 

  3608. tms470_flags(){

  3609.     for flag; do

  3610.         case $flag in

  3611.             -march=*|-mcpu=*)

  3612.                 case "${flag#*=}" in

  3613.                     armv7-a|cortex-a*)      echo -mv=7a8 ;;

  3614.                     armv7-r|cortex-r*)      echo -mv=7r4 ;;

  3615.                     armv7-m|cortex-m*)      echo -mv=7m3 ;;

  3616.                     armv6*|arm11*)          echo -mv=6   ;;

  3617.                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])

  3618.                                             echo -mv=5e  ;;

  3619.                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;

  3620.                 esac

  3621.                 ;;

  3622.             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;

  3623.             -mfpu=vfp)      echo --float_support=vfpv2        ;;

  3624.             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;

  3625.             -mfpu=vfpv3-d16) echo --float_support=vfpv3d16    ;;

  3626.             -msoft-float)   echo --float_support=vfplib       ;;

  3627.             -O[0-3]|-mf=*)  echo $flag                        ;;

  3628.             -g)             echo -g -mn                       ;;

  3629.             -pds=*)         echo $flag                        ;;

  3630.             -D*|-I*)        echo $flag                        ;;

  3631.             --gcc|--abi=*)  echo $flag                        ;;

  3632.             -me)            echo $flag                        ;;

  3633.         esac

  3634.     done

  3635. }

  3636. 

  3637. probe_cc(){

  3638.     pfx=$1

  3639.     _cc=$2

  3640.     first=$3

  3641. 

  3642.     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags

  3643.     unset _ld_o _ldflags _ld_lib _ld_path

  3644.     unset _depflags _DEPCMD _DEPFLAGS

  3645.     _flags_filter=echo

  3646. 

  3647.     if $_cc --version 2>&1 | grep -q '^GNU assembler'; then

  3648.         true # no-op to avoid reading stdin in following checks

  3649.     elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then

  3650.         _type=llvm_gcc

  3651.         gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')

  3652.         _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"

  3653.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3654.         _cflags_speed='-O3'

  3655.         _cflags_size='-Os'

  3656.     elif $_cc -v 2>&1 | grep -qi ^gcc; then

  3657.         _type=gcc

  3658.         gcc_version=$($_cc --version | head -n1)

  3659.         gcc_basever=$($_cc -dumpversion)

  3660.         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')

  3661.         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")

  3662.         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")

  3663.         case $gcc_basever in

  3664.             2*) ;;

  3665.             *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;

  3666.         esac

  3667.         if [ "$first" = true ]; then

  3668.             case $gcc_basever in

  3669.                 4.2*)

  3670.                 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;

  3671.             esac

  3672.         fi

  3673.         _cflags_speed='-O3'

  3674.         _cflags_size='-Os'

  3675.     elif $_cc --version 2>/dev/null | grep -q ^icc; then

  3676.         _type=icc

  3677.         _ident=$($_cc --version | head -n1)

  3678.         _depflags='-MMD'

  3679.         _cflags_speed='-O3'

  3680.         _cflags_size='-Os'

  3681.         _cflags_noopt='-O1'

  3682.         _flags_filter=icc_flags

  3683.     elif $_cc -v 2>&1 | grep -q xlc; then

  3684.         _type=xlc

  3685.         _ident=$($_cc -qversion 2>/dev/null | head -n1)

  3686.         _cflags_speed='-O5'

  3687.         _cflags_size='-O5 -qcompact'

  3688.     elif $_cc -V 2>/dev/null | grep -q Compaq; then

  3689.         _type=ccc

  3690.         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)

  3691.         _DEPFLAGS='-M'

  3692.         _cflags_speed='-fast'

  3693.         _cflags_size='-O1'

  3694.         _flags_filter=ccc_flags

  3695.     elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then

  3696.         test -d "$sysroot" || die "No valid sysroot specified."

  3697.         _type=armcc

  3698.         _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')

  3699.         armcc_conf="$PWD/armcc.conf"

  3700.         $_cc --arm_linux_configure                 \

  3701.              --arm_linux_config_file="$armcc_conf" \

  3702.              --configure_sysroot="$sysroot"        \

  3703.              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||

  3704.              die "Error creating armcc configuration file."

  3705.         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc

  3706.         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"

  3707.         as_default="${cross_prefix}gcc"

  3708.         _depflags='-MMD'

  3709.         _cflags_speed='-O3'

  3710.         _cflags_size='-Os'

  3711.     elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then

  3712.         _type=tms470

  3713.         _ident=$($_cc -version | head -n1 | tr -s ' ')

  3714.         _flags='--gcc --abi=eabi -me'

  3715.         _cc_e='-ppl -fe=$@'

  3716.         _cc_o='-fe=$@'

  3717.         _depflags='-ppa -ppd=$(@:.o=.d)'

  3718.         _cflags_speed='-O3 -mf=5'

  3719.         _cflags_size='-O3 -mf=2'

  3720.         _flags_filter=tms470_flags

  3721.     elif $_cc -v 2>&1 | grep -q clang; then

  3722.         _type=clang

  3723.         _ident=$($_cc --version 2>/dev/null | head -n1)

  3724.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3725.         _cflags_speed='-O3'

  3726.         _cflags_size='-Os'

  3727.     elif $_cc -V 2>&1 | grep -q Sun; then

  3728.         _type=suncc

  3729.         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)

  3730.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'

  3731.         _DEPFLAGS='-xM1 -xc99'

  3732.         _ldflags='-std=c99'

  3733.         _cflags_speed='-O5'

  3734.         _cflags_size='-O5 -xspace'

  3735.         _flags_filter=suncc_flags

  3736.     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then

  3737.         _type=pathscale

  3738.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  3739.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3740.         _cflags_speed='-O2'

  3741.         _cflags_size='-Os'

  3742.         _flags_filter='filter_out -Wdisabled-optimization'

  3743.     elif $_cc -v 2>&1 | grep -q Open64; then

  3744.         _type=open64

  3745.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  3746.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3747.         _cflags_speed='-O2'

  3748.         _cflags_size='-Os'

  3749.         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'

  3750.     elif $_cc -V 2>&1 | grep -q Portland; then

  3751.         _type=pgi

  3752.         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"

  3753.         opt_common='-alias=ansi -Mdse -Mlre -Mpre'

  3754.         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"

  3755.         _cflags_size="-O2 -Munroll=c:1 $opt_common"

  3756.         _cflags_noopt="-O"

  3757.         _flags_filter=pgi_flags

  3758.     elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then

  3759.         _type=armasm

  3760.         _ident=$($_cc | head -n1)

  3761.         # 4509: "This form of conditional instruction is deprecated"

  3762.         _flags="-nologo -ignore 4509"

  3763.         _flags_filter=armasm_flags

  3764.     elif $_cc 2>&1 | grep -q Intel; then

  3765.         _type=icl

  3766.         _ident=$($_cc 2>&1 | head -n1)

  3767.         _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'

  3768.         # Not only is O3 broken on 13.x+ but it is slower on all previous

  3769.         # versions (tested) as well.

  3770.         _cflags_speed="-O2"

  3771.         _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff

  3772.         if $_cc 2>&1 | grep -q Linker; then

  3773.             _ld_o='-out:$@'

  3774.         else

  3775.             _ld_o='-Fe$@'

  3776.         fi

  3777.         _cc_o='-Fo$@'

  3778.         _cc_e='-P'

  3779.         _flags_filter=icl_flags

  3780.         _ld_lib='lib%.a'

  3781.         _ld_path='-libpath:'

  3782.         # -Qdiag-error to make icl error when seeing certain unknown arguments

  3783.         _flags='-nologo -Qdiag-error:4044,10157'

  3784.         # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency

  3785.         # with MSVC which enables it by default.

  3786.         _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS -fp:precise'

  3787.         disable stripping

  3788.     elif $_cc -nologo- 2>&1 | grep -q Microsoft; then

  3789.         _type=msvc

  3790.         _ident=$($_cc 2>&1 | head -n1)

  3791.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'

  3792.         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'

  3793.         _cflags_speed="-O2"

  3794.         _cflags_size="-O1"

  3795.         if $_cc -nologo- 2>&1 | grep -q Linker; then

  3796.             _ld_o='-out:$@'

  3797.         else

  3798.             _ld_o='-Fe$@'

  3799.         fi

  3800.         _cc_o='-Fo$@'

  3801.         _cc_e='-P -Fi$@'

  3802.         _flags_filter=msvc_flags

  3803.         _ld_lib='lib%.a'

  3804.         _ld_path='-libpath:'

  3805.         _flags='-nologo'

  3806.         _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS'

  3807.         disable stripping

  3808.     elif $_cc --version 2>/dev/null | grep -q ^cparser; then

  3809.         _type=cparser

  3810.         _ident=$($_cc --version | head -n1)

  3811.         _depflags='-MMD'

  3812.         _cflags_speed='-O4'

  3813.         _cflags_size='-O2'

  3814.         _flags_filter=cparser_flags

  3815.     fi

  3816. 

  3817.     eval ${pfx}_type=\$_type

  3818.     eval ${pfx}_ident=\$_ident

  3819. }

  3820. 

  3821. set_ccvars(){

  3822.     eval ${1}_C=\${_cc_c-\${${1}_C}}

  3823.     eval ${1}_E=\${_cc_e-\${${1}_E}}

  3824.     eval ${1}_O=\${_cc_o-\${${1}_O}}

  3825. 

  3826.     if [ -n "$_depflags" ]; then

  3827.         eval ${1}_DEPFLAGS=\$_depflags

  3828.     else

  3829.         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}

  3830.         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}

  3831.         eval DEP${1}FLAGS=\$_flags

  3832.     fi

  3833. }

  3834. 

  3835. probe_cc cc "$cc" "true"

  3836. cflags_filter=$_flags_filter

  3837. cflags_speed=$_cflags_speed

  3838. cflags_size=$_cflags_size

  3839. cflags_noopt=$_cflags_noopt

  3840. add_cflags $_flags $_cflags

  3841. cc_ldflags=$_ldflags

  3842. set_ccvars CC

  3843. 

  3844. probe_cc hostcc "$host_cc"

  3845. host_cflags_filter=$_flags_filter

  3846. add_host_cflags  $_flags $_cflags

  3847. set_ccvars HOSTCC

  3848. 

  3849. test -n "$cc_type" && enable $cc_type ||

  3850.     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"

  3851. 

  3852. : ${as_default:=$cc}

  3853. : ${dep_cc_default:=$cc}

  3854. : ${ld_default:=$cc}

  3855. : ${host_ld_default:=$host_cc}

  3856. set_default ar as dep_cc ld host_ld windres

  3857. 

  3858. probe_cc as "$as"

  3859. asflags_filter=$_flags_filter

  3860. add_asflags $_flags $_cflags

  3861. set_ccvars AS

  3862. 

  3863. probe_cc ld "$ld"

  3864. ldflags_filter=$_flags_filter

  3865. add_ldflags $_flags $_ldflags

  3866. test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags

  3867. LD_O=${_ld_o-$LD_O}

  3868. LD_LIB=${_ld_lib-$LD_LIB}

  3869. LD_PATH=${_ld_path-$LD_PATH}

  3870. 

  3871. probe_cc hostld "$host_ld"

  3872. host_ldflags_filter=$_flags_filter

  3873. add_host_ldflags $_flags $_ldflags

  3874. HOSTLD_O=${_ld_o-$HOSTLD_O}

  3875. 

  3876. if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then

  3877.     probe_cc depcc "$dep_cc"

  3878.     CCDEP=${_DEPCMD:-$DEPCMD}

  3879.     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}

  3880.     DEPCCFLAGS=$_flags

  3881. fi

  3882. 

  3883. if $ar 2>&1 | grep -q Microsoft; then

  3884.     arflags="-nologo"

  3885.     ar_o='-out:$@'

  3886. elif $ar 2>&1 | grep -q 'Texas Instruments'; then

  3887.     arflags="rq"

  3888.     ar_o='$@'

  3889. elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then

  3890.     arflags='-Xany -r -c'

  3891.     ar_o='$@'

  3892. elif $ar 2>&1 | grep -q "\[D\] "; then

  3893.     arflags="rcD"

  3894.     ar_o='$@'

  3895. else

  3896.     arflags="rc"

  3897.     ar_o='$@'

  3898. fi

  3899. 

  3900. add_cflags $extra_cflags

  3901. add_cxxflags $extra_cxxflags

  3902. add_asflags $extra_cflags

  3903. 

  3904. if test -n "$sysroot"; then

  3905.     case "$cc_type" in

  3906.         gcc|llvm_gcc|clang)

  3907.             add_cppflags --sysroot="$sysroot"

  3908.             add_ldflags --sysroot="$sysroot"

  3909. # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking

  3910.             add_cppflags -isysroot "$sysroot"

  3911.             add_ldflags -isysroot "$sysroot"

  3912.         ;;

  3913.         tms470)

  3914.             add_cppflags -I"$sysinclude"

  3915.             add_ldflags  --sysroot="$sysroot"

  3916.         ;;

  3917.     esac

  3918. fi

  3919. 

  3920. if test "$cpu" = host; then

  3921.     enabled cross_compile &&

  3922.         die "--cpu=host makes no sense when cross-compiling."

  3923. 

  3924.     case "$cc_type" in

  3925.         gcc|llvm_gcc)

  3926.             check_native(){

  3927.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  3928.                 sed -n "/cc1.*$1=/{

  3929.                             s/.*$1=\\([^ ]*\\).*/\\1/

  3930.                             p

  3931.                             q

  3932.                         }" $TMPE

  3933.             }

  3934.             cpu=$(check_native -march || check_native -mcpu)

  3935.         ;;

  3936.     esac

  3937. 

  3938.     test "${cpu:-host}" = host &&

  3939.         die "--cpu=host not supported with compiler $cc"

  3940. fi

  3941. 

  3942. # Deal with common $arch aliases

  3943. case "$arch" in

  3944.     aarch64|arm64)

  3945.         arch="aarch64"

  3946.     ;;

  3947.     arm*|iPad*|iPhone*)

  3948.         arch="arm"

  3949.     ;;

  3950.     mips*|IP*)

  3951.         arch="mips"

  3952.     ;;

  3953.     parisc*|hppa*)

  3954.         arch="parisc"

  3955.     ;;

  3956.     "Power Macintosh"|ppc*|powerpc*)

  3957.         arch="ppc"

  3958.     ;;

  3959.     s390|s390x)

  3960.         arch="s390"

  3961.     ;;

  3962.     sh4|sh)

  3963.         arch="sh4"

  3964.     ;;

  3965.     sun4u|sparc*)

  3966.         arch="sparc"

  3967.     ;;

  3968.     tilegx|tile-gx)

  3969.         arch="tilegx"

  3970.     ;;

  3971.     i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)

  3972.         arch="x86"

  3973.     ;;

  3974. esac

  3975. 

  3976. is_in $arch $ARCH_LIST || warn "unknown architecture $arch"

  3977. enable $arch

  3978. 

  3979. # Add processor-specific flags

  3980. if enabled aarch64; then

  3981. 

  3982.     case $cpu in

  3983.         armv*)

  3984.             cpuflags="-march=$cpu"

  3985.         ;;

  3986.         *)

  3987.             cpuflags="-mcpu=$cpu"

  3988.         ;;

  3989.     esac

  3990. 

  3991. elif enabled alpha; then

  3992. 

  3993.     cpuflags="-mcpu=$cpu"

  3994. 

  3995. elif enabled arm; then

  3996. 

  3997.     check_arm_arch() {

  3998.         check_cpp_condition stddef.h \

  3999.             "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \

  4000.             $cpuflags

  4001.     }

  4002. 

  4003.     probe_arm_arch() {

  4004.         if   check_arm_arch 4;        then echo armv4;

  4005.         elif check_arm_arch 4T;       then echo armv4t;

  4006.         elif check_arm_arch 5;        then echo armv5;

  4007.         elif check_arm_arch 5E;       then echo armv5e;

  4008.         elif check_arm_arch 5T;       then echo armv5t;

  4009.         elif check_arm_arch 5TE;      then echo armv5te;

  4010.         elif check_arm_arch 5TEJ;     then echo armv5te;

  4011.         elif check_arm_arch 6;        then echo armv6;

  4012.         elif check_arm_arch 6J;       then echo armv6j;

  4013.         elif check_arm_arch 6K;       then echo armv6k;

  4014.         elif check_arm_arch 6Z;       then echo armv6z;

  4015.         elif check_arm_arch 6ZK;      then echo armv6zk;

  4016.         elif check_arm_arch 6T2;      then echo armv6t2;

  4017.         elif check_arm_arch 7;        then echo armv7;

  4018.         elif check_arm_arch 7A  7_A;  then echo armv7-a;

  4019.         elif check_arm_arch 7S;       then echo armv7-a;

  4020.         elif check_arm_arch 7R  7_R;  then echo armv7-r;

  4021.         elif check_arm_arch 7M  7_M;  then echo armv7-m;

  4022.         elif check_arm_arch 7EM 7E_M; then echo armv7-m;

  4023.         elif check_arm_arch 8A  8_A;  then echo armv8-a;

  4024.         fi

  4025.     }

  4026. 

  4027.     [ "$cpu" = generic ] && cpu=$(probe_arm_arch)

  4028. 

  4029.     case $cpu in

  4030.         armv*)

  4031.             cpuflags="-march=$cpu"

  4032.             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')

  4033.         ;;

  4034.         *)

  4035.             cpuflags="-mcpu=$cpu"

  4036.             case $cpu in

  4037.                 cortex-a*)                               subarch=armv7a  ;;

  4038.                 cortex-r*)                               subarch=armv7r  ;;

  4039.                 cortex-m*)                 enable thumb; subarch=armv7m  ;;

  4040.                 arm11*)                                  subarch=armv6   ;;

  4041.                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;

  4042.                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;

  4043.                 *)                             subarch=$(probe_arm_arch) ;;

  4044.             esac

  4045.         ;;

  4046.     esac

  4047. 

  4048.     case "$subarch" in

  4049.         armv5t*)    enable fast_clz                ;;

  4050.         armv[6-8]*)

  4051.             enable fast_clz

  4052.             disabled fast_unaligned || enable fast_unaligned

  4053.             ;;

  4054.     esac

  4055. 

  4056. elif enabled avr32; then

  4057. 

  4058.     case $cpu in

  4059.         ap7[02]0[0-2])

  4060.             subarch="avr32_ap"

  4061.             cpuflags="-mpart=$cpu"

  4062.         ;;

  4063.         ap)

  4064.             subarch="avr32_ap"

  4065.             cpuflags="-march=$cpu"

  4066.         ;;

  4067.         uc3[ab]*)

  4068.             subarch="avr32_uc"

  4069.             cpuflags="-mcpu=$cpu"

  4070.         ;;

  4071.         uc)

  4072.             subarch="avr32_uc"

  4073.             cpuflags="-march=$cpu"

  4074.         ;;

  4075.     esac

  4076. 

  4077. elif enabled bfin; then

  4078. 

  4079.     cpuflags="-mcpu=$cpu"

  4080. 

  4081. elif enabled mips; then

  4082. 

  4083.     cpuflags="-march=$cpu"

  4084. 

  4085.     case $cpu in

  4086.         24kc)

  4087.             disable mips64r6

  4088.             disable mipsfpu

  4089.             disable mipsdsp

  4090.             disable mipsdspr2

  4091.             disable msa

  4092.         ;;

  4093.         24kf*)

  4094.             disable mips64r6

  4095.             disable mipsdsp

  4096.             disable mipsdspr2

  4097.             disable msa

  4098.         ;;

  4099.         24kec|34kc|1004kc)

  4100.             disable mips64r6

  4101.             disable mipsfpu

  4102.             disable mipsdspr2

  4103.             disable msa

  4104.         ;;

  4105.         24kef*|34kf*|1004kf*)

  4106.             disable mips64r6

  4107.             disable mipsdspr2

  4108.             disable msa

  4109.         ;;

  4110.         74kc)

  4111.             disable mips64r6

  4112.             disable mipsfpu

  4113.             disable msa

  4114.         ;;

  4115.         74kf)

  4116.             disable mips64r6

  4117.             disable msa

  4118.         ;;

  4119.         p5600)

  4120.             disable mips64r6

  4121.             disable mipsdsp

  4122.             disable mipsdspr2

  4123.             check_cflags "-mtune=p5600" &&

  4124.             check_cflags "-mfp64 -msched-weight -mload-store-pairs -funroll-loops" &&

  4125.             add_asflags "-mfp64"

  4126.         ;;

  4127.         i6400)

  4128.             disable mipsdsp

  4129.             disable mipsdspr2

  4130.             disable mipsfpu

  4131. 

  4132.             check_cflags "-mtune=i6400 -mabi=64"

  4133.             check_ldflags "-mabi=64"

  4134.         ;;

  4135.         loongson*)

  4136.             disable mipsfpu

  4137.             disable mips32r2

  4138.             disable mips64r6

  4139.             disable mipsdsp

  4140.             disable mipsdspr2

  4141.             disable msa

  4142.             enable local_aligned_8 local_aligned_16 local_aligned_32

  4143.             enable simd_align_16

  4144.             enable fast_64bit

  4145.             enable fast_clz

  4146.             enable fast_cmov

  4147.             enable fast_unaligned

  4148.             disable aligned_stack

  4149.             case $cpu in

  4150.                 loongson3*)

  4151.                     cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"

  4152.                 ;;

  4153.                 loongson2e)

  4154.                     cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"

  4155.                 ;;

  4156.                 loongson2f)

  4157.                     cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"

  4158.                 ;;

  4159.             esac

  4160.         ;;

  4161.         generic)

  4162.             disable mips64r6

  4163.             disable msa

  4164.         ;;

  4165.         *)

  4166.             disable mipsfpu

  4167.             disable mips32r2

  4168.             disable mips64r6

  4169.             disable mipsdsp

  4170.             disable mipsdspr2

  4171.             disable msa

  4172.         ;;

  4173.     esac

  4174. 

  4175. elif enabled ppc; then

  4176. 

  4177.     disable ldbrx

  4178. 

  4179.     case $(tolower $cpu) in

  4180.         601|ppc601|powerpc601)

  4181.             cpuflags="-mcpu=601"

  4182.             disable altivec

  4183.         ;;

  4184.         603*|ppc603*|powerpc603*)

  4185.             cpuflags="-mcpu=603"

  4186.             disable altivec

  4187.         ;;

  4188.         604*|ppc604*|powerpc604*)

  4189.             cpuflags="-mcpu=604"

  4190.             disable altivec

  4191.         ;;

  4192.         g3|75*|ppc75*|powerpc75*)

  4193.             cpuflags="-mcpu=750"

  4194.             disable altivec

  4195.         ;;

  4196.         g4|745*|ppc745*|powerpc745*)

  4197.             cpuflags="-mcpu=7450"

  4198.             disable vsx

  4199.         ;;

  4200.         74*|ppc74*|powerpc74*)

  4201.             cpuflags="-mcpu=7400"

  4202.             disable vsx

  4203.         ;;

  4204.         g5|970|ppc970|powerpc970)

  4205.             cpuflags="-mcpu=970"

  4206.             disable vsx

  4207.         ;;

  4208.         power[3-6]*)

  4209.             cpuflags="-mcpu=$cpu"

  4210.             disable vsx

  4211.         ;;

  4212.         power[7-8]*)

  4213.             cpuflags="-mcpu=$cpu"

  4214.         ;;

  4215.         cell)

  4216.             cpuflags="-mcpu=cell"

  4217.             enable ldbrx

  4218.             disable vsx

  4219.         ;;

  4220.         e500mc)

  4221.             cpuflags="-mcpu=e500mc"

  4222.             disable altivec

  4223.         ;;

  4224.         e500v2)

  4225.             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"

  4226.             disable altivec

  4227.             disable dcbzl

  4228.         ;;

  4229.         e500)

  4230.             cpuflags="-mcpu=8540 -mhard-float"

  4231.             disable altivec

  4232.             disable dcbzl

  4233.         ;;

  4234.     esac

  4235. 

  4236. elif enabled sparc; then

  4237. 

  4238.     case $cpu in

  4239.         cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])

  4240.             cpuflags="-mcpu=$cpu"

  4241.         ;;

  4242.         ultrasparc*|niagara[234])

  4243.             cpuflags="-mcpu=$cpu"

  4244.         ;;

  4245.     esac

  4246. 

  4247. elif enabled x86; then

  4248. 

  4249.     case $cpu in

  4250.         i[345]86|pentium)

  4251.             cpuflags="-march=$cpu"

  4252.             disable i686

  4253.             disable mmx

  4254.         ;;

  4255.         # targets that do NOT support nopl and conditional mov (cmov)

  4256.         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)

  4257.             cpuflags="-march=$cpu"

  4258.             disable i686

  4259.         ;;

  4260.         # targets that do support nopl and conditional mov (cmov)

  4261.         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\

  4262.         |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)

  4263.             cpuflags="-march=$cpu"

  4264.             enable i686

  4265.             enable fast_cmov

  4266.         ;;

  4267.         # targets that do support conditional mov but on which it's slow

  4268.         pentium4|pentium4m|prescott|nocona)

  4269.             cpuflags="-march=$cpu"

  4270.             enable i686

  4271.             disable fast_cmov

  4272.         ;;

  4273.     esac

  4274. 

  4275. fi

  4276. 

  4277. if [ "$cpu" != generic ]; then

  4278.     add_cflags  $cpuflags

  4279.     add_asflags $cpuflags

  4280.     test "$cc_type" = "$ld_type" && add_ldflags $cpuflags

  4281. fi

  4282. 

  4283. # compiler sanity check

  4284. check_exec <<EOF

  4285. int main(void){ return 0; }

  4286. EOF

  4287. if test "$?" != 0; then

  4288.     echo "$cc is unable to create an executable file."

  4289.     if test -z "$cross_prefix" && ! enabled cross_compile ; then

  4290.         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."

  4291.         echo "Only do this if you know what cross compiling means."

  4292.     fi

  4293.     die "C compiler test failed."

  4294. fi

  4295. 

  4296. add_cppflags -D_ISOC99_SOURCE

  4297. add_cxxflags -D__STDC_CONSTANT_MACROS

  4298. check_cflags -std=c99

  4299. check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64

  4300. #include <stdlib.h>

  4301. EOF

  4302. check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE

  4303. #include <stdlib.h>

  4304. EOF

  4305. 

  4306. add_host_cppflags -D_ISOC99_SOURCE

  4307. check_host_cflags -std=c99

  4308. check_host_cflags -Wall

  4309. check_host_cflags -O3

  4310. 

  4311. check_64bit(){

  4312.     arch32=$1

  4313.     arch64=$2

  4314.     expr=$3

  4315.     check_code cc "" "int test[2*($expr) - 1]" &&

  4316.         subarch=$arch64 || subarch=$arch32

  4317. }

  4318. 

  4319. case "$arch" in

  4320.     aarch64|alpha|ia64)

  4321.         spic=$shared

  4322.     ;;

  4323.     mips)

  4324.         check_64bit mips mips64 '_MIPS_SIM > 1'

  4325.         spic=$shared

  4326.     ;;

  4327.     parisc)

  4328.         check_64bit parisc parisc64 'sizeof(void *) > 4'

  4329.         spic=$shared

  4330.     ;;

  4331.     ppc)

  4332.         check_64bit ppc ppc64 'sizeof(void *) > 4'

  4333.         spic=$shared

  4334.     ;;

  4335.     s390)

  4336.         check_64bit s390 s390x 'sizeof(void *) > 4'

  4337.         spic=$shared

  4338.     ;;

  4339.     sparc)

  4340.         check_64bit sparc sparc64 'sizeof(void *) > 4'

  4341.         spic=$shared

  4342.     ;;

  4343.     x86)

  4344.         check_64bit x86_32 x86_64 'sizeof(void *) > 4'

  4345.         # Treat x32 as x64 for now. Note it also needs spic=$shared

  4346.         test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&

  4347.             subarch=x86_64

  4348.         if test "$subarch" = "x86_64"; then

  4349.             spic=$shared

  4350.         fi

  4351.     ;;

  4352.     ppc)

  4353.         check_cc <<EOF && subarch="ppc64"

  4354.         int test[(int)sizeof(char*) - 7];

  4355. EOF

  4356.     ;;

  4357. esac

  4358. 

  4359. enable $subarch

  4360. enabled spic && enable_weak pic

  4361. 

  4362. # OS specific

  4363. case $target_os in

  4364.     aix)

  4365.         SHFLAGS=-shared

  4366.         add_cppflags '-I\$(SRC_PATH)/compat/aix'

  4367.         enabled shared && add_ldflags -Wl,-brtl

  4368.         ;;

  4369.     android)

  4370.         disable symver

  4371.         enable section_data_rel_ro

  4372.         SLIB_INSTALL_NAME='$(SLIBNAME)'

  4373.         SLIB_INSTALL_LINKS=

  4374.         SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'

  4375.         ;;

  4376.     haiku)

  4377.         prefix_default="/boot/common"

  4378.         network_extralibs="-lnetwork"

  4379.         host_libs=

  4380.         ;;

  4381.     sunos)

  4382.         SHFLAGS='-shared -Wl,-h,$$(@F)'

  4383.         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"

  4384.         network_extralibs="-lsocket -lnsl"

  4385.         add_cppflags -D__EXTENSIONS__

  4386.         # When using suncc to build, the Solaris linker will mark

  4387.         # an executable with each instruction set encountered by

  4388.         # the Solaris assembler.  As our libraries contain their own

  4389.         # guards for processor-specific code, instead suppress

  4390.         # generation of the HWCAPS ELF section on Solaris x86 only.

  4391.         enabled_all suncc x86 &&

  4392.             echo "hwcap_1 = OVERRIDE;" > mapfile &&

  4393.             add_ldflags -Wl,-M,mapfile

  4394.         nm_default='nm -P -g'

  4395.         SLIB_CREATE_DEF_CMD='$(Q)perl $(SRC_PATH)/compat/solaris/make_sunver.pl $$(filter %.ver,$$^) $(OBJS) | grep -v @ > $(SUBDIR)lib$(NAME).ver-sol2'

  4396.         ;;

  4397.     netbsd)

  4398.         disable symver

  4399.         oss_indev_extralibs="-lossaudio"

  4400.         oss_outdev_extralibs="-lossaudio"

  4401.         enabled gcc || check_ldflags -Wl,-zmuldefs

  4402.         ;;

  4403.     openbsd|bitrig)

  4404.         disable symver

  4405.         SHFLAGS='-shared'

  4406.         SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'

  4407.         SLIB_INSTALL_LINKS=

  4408.         oss_indev_extralibs="-lossaudio"

  4409.         oss_outdev_extralibs="-lossaudio"

  4410.         ;;

  4411.     dragonfly)

  4412.         disable symver

  4413.         ;;

  4414.     freebsd)

  4415.         ;;

  4416.     bsd/os)

  4417.         add_extralibs -lpoll -lgnugetopt

  4418.         strip="strip -d"

  4419.         ;;

  4420.     darwin)

  4421.         enabled ppc && add_asflags -force_cpusubtype_ALL

  4422.         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'

  4423.         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress

  4424.         strip="${strip} -x"

  4425.         add_ldflags -Wl,-dynamic,-search_paths_first

  4426.         SLIBSUF=".dylib"

  4427.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'

  4428.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'

  4429.         objformat="macho"

  4430.         enabled x86_64 && objformat="macho64"

  4431.         enabled_any pic shared x86_64 ||

  4432.             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }

  4433.         ;;

  4434.     msys*)

  4435.         die "Native MSYS builds are discouraged, please use the MINGW environment.";

  4436.         ;;

  4437.     mingw32*|mingw64*)

  4438.         if test $target_os = "mingw32ce"; then

  4439.             disable network

  4440.         else

  4441.             target_os=mingw32

  4442.         fi

  4443.         decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"

  4444.         decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"

  4445.         LIBTARGET=i386

  4446.         if enabled x86_64; then

  4447.             LIBTARGET="i386:x86-64"

  4448.         elif enabled arm; then

  4449.             LIBTARGET=arm-wince

  4450.         fi

  4451.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4452.         enabled x86_32 && check_ldflags -Wl,--large-address-aware

  4453.         shlibdir_default="$bindir_default"

  4454.         SLIBPREF=""

  4455.         SLIBSUF=".dll"

  4456.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4457.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4458.         dlltool="${cross_prefix}dlltool"

  4459.         if check_cmd lib.exe -list; then

  4460.             SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4461.             if enabled x86_64; then

  4462.                 LIBTARGET=x64

  4463.             fi

  4464.         elif check_cmd $dlltool --version; then

  4465.             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)'

  4466.         fi

  4467.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4468.         SLIB_INSTALL_LINKS=

  4469.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4470.         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4471.         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'

  4472.         objformat="win32"

  4473.         ranlib=:

  4474.         enable dos_paths

  4475.         check_ldflags -Wl,--nxcompat,--dynamicbase

  4476.         # Lets work around some stupidity in binutils.

  4477.         # ld will strip relocations from executables even though we need them

  4478.         # for dynamicbase (ASLR).  Using -pie does retain the reloc section

  4479.         # however ld then forgets what the entry point should be (oops) so we

  4480.         # have to manually (re)set it.

  4481.         if enabled x86_32; then

  4482.             add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup

  4483.         elif enabled x86_64; then

  4484.             add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup

  4485.             check_ldflags -Wl,--high-entropy-va # binutils 2.25

  4486.             # Set image base >4GB for extra entropy with HEASLR

  4487.             add_ldexeflags -Wl,--image-base,0x140000000

  4488.             append SHFLAGS -Wl,--image-base,0x180000000

  4489.         fi

  4490.         ;;

  4491.     win32|win64)

  4492.         disable symver

  4493.         if enabled shared; then

  4494.             # Link to the import library instead of the normal static library

  4495.             # for shared libs.

  4496.             LD_LIB='%.lib'

  4497.             # Cannot build both shared and static libs with MSVC or icl.

  4498.             disable static

  4499.         fi

  4500.         enabled x86_32 && check_ldflags -LARGEADDRESSAWARE

  4501.         shlibdir_default="$bindir_default"

  4502.         SLIBPREF=""

  4503.         SLIBSUF=".dll"

  4504.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4505.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4506.         SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'

  4507.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4508.         SLIB_INSTALL_LINKS=

  4509.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4510.         SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4511.         SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4512.         objformat="win32"

  4513.         ranlib=:

  4514.         enable dos_paths

  4515.         ;;

  4516.     cygwin*)

  4517.         target_os=cygwin

  4518.         shlibdir_default="$bindir_default"

  4519.         SLIBPREF="cyg"

  4520.         SLIBSUF=".dll"

  4521.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4522.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4523.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4524.         SLIB_INSTALL_LINKS=

  4525.         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'

  4526.         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'

  4527.         objformat="win32"

  4528.         enable dos_paths

  4529.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4530.         ;;

  4531.     *-dos|freedos|opendos)

  4532.         network_extralibs="-lsocket"

  4533.         objformat="coff"

  4534.         enable dos_paths

  4535.         add_cppflags -U__STRICT_ANSI__

  4536.         ;;

  4537.     linux)

  4538.         enable dv1394

  4539.         enable section_data_rel_ro

  4540.         ;;

  4541.     irix*)

  4542.         target_os=irix

  4543.         ranlib="echo ignoring ranlib"

  4544.         ;;

  4545.     os/2*)

  4546.         strip="lxlite -CS"

  4547.         ln_s="cp -f"

  4548.         objformat="aout"

  4549.         add_cppflags -D_GNU_SOURCE

  4550.         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap

  4551.         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'

  4552.         LIBSUF="_s.a"

  4553.         SLIBPREF=""

  4554.         SLIBSUF=".dll"

  4555.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'

  4556.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'

  4557.         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \

  4558.             echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \

  4559.             echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \

  4560.             echo EXPORTS >> $(SUBDIR)$(NAME).def; \

  4561.             emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'

  4562.         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \

  4563.             emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'

  4564.         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'

  4565.         enable dos_paths

  4566.         enable_weak os2threads

  4567.         ;;

  4568.     gnu/kfreebsd)

  4569.         add_cppflags -D_BSD_SOURCE

  4570.         ;;

  4571.     gnu)

  4572.         ;;

  4573.     qnx)

  4574.         add_cppflags -D_QNX_SOURCE

  4575.         network_extralibs="-lsocket"

  4576.         ;;

  4577.     symbian)

  4578.         SLIBSUF=".dll"

  4579.         enable dos_paths

  4580.         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default

  4581.         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS

  4582.         add_ldflags -Wl,--target1-abs,--no-undefined \

  4583.                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \

  4584.                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup

  4585.         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \

  4586.                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \

  4587.                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib

  4588.         ;;

  4589.     osf1)

  4590.         add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT

  4591.         ;;

  4592.     minix)

  4593.         ;;

  4594.     plan9)

  4595.         add_cppflags -D_C99_SNPRINTF_EXTENSION  \

  4596.                      -D_REENTRANT_SOURCE        \

  4597.                      -D_RESEARCH_SOURCE         \

  4598.                      -DFD_SETSIZE=96            \

  4599.                      -DHAVE_SOCK_OPTS

  4600.         add_compat strtod.o strtod=avpriv_strtod

  4601.         network_extralibs='-lbsd'

  4602.         exeobjs=compat/plan9/main.o

  4603.         disable ffserver

  4604.         cp_f='cp'

  4605.         ;;

  4606.     none)

  4607.         ;;

  4608.     *)

  4609.         die "Unknown OS '$target_os'."

  4610.         ;;

  4611. esac

  4612. 

  4613. # determine libc flavour

  4614. 

  4615. probe_libc(){

  4616.     pfx=$1

  4617.     pfx_no_=${pfx%_}

  4618.     # uclibc defines __GLIBC__, so it needs to be checked before glibc.

  4619.     if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then

  4620.         eval ${pfx}libc_type=uclibc

  4621.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4622.     elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then

  4623.         eval ${pfx}libc_type=glibc

  4624.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4625.     # MinGW headers can be installed on Cygwin, so check for newlib first.

  4626.     elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then

  4627.         eval ${pfx}libc_type=newlib

  4628.         add_${pfx}cppflags -U__STRICT_ANSI__

  4629.     # MinGW64 is backwards compatible with MinGW32, so check for it first.

  4630.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then

  4631.         eval ${pfx}libc_type=mingw64

  4632.         if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then

  4633.             add_compat msvcrt/snprintf.o

  4634.             add_cflags "-include $source_path/compat/msvcrt/snprintf.h"

  4635.         fi

  4636.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4637.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4638.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4639.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION"  ||

  4640.          check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then

  4641.         eval ${pfx}libc_type=mingw32

  4642.         check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \

  4643.             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||

  4644.             die "ERROR: MinGW32 runtime version must be >= 3.15."

  4645.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4646.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4647.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4648.     elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then

  4649.         eval ${pfx}libc_type=msvcrt

  4650.         if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then

  4651.             if [ "$pfx" = host_ ]; then

  4652.                 add_host_cppflags -Dsnprintf=_snprintf

  4653.             else

  4654.                 add_compat strtod.o strtod=avpriv_strtod

  4655.                 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf   \

  4656.                                              _snprintf=avpriv_snprintf  \

  4657.                                              vsnprintf=avpriv_vsnprintf

  4658.             fi

  4659.         fi

  4660.         # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to

  4661.         # 0x601 by default unless something else is set by the user.

  4662.         # This can easily lead to us detecting functions only present

  4663.         # in such new versions and producing binaries requiring windows 7.0.

  4664.         # Therefore explicitly set the default to XP unless the user has

  4665.         # set something else on the command line.

  4666.         # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop

  4667.         # family. For these cases, configure is free to use any functions

  4668.         # found in the SDK headers by default. (Alternatively, we could force

  4669.         # _WIN32_WINNT to 0x0602 in that case.)

  4670.         check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||

  4671.             { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }

  4672. #ifdef WINAPI_FAMILY

  4673. #include <winapifamily.h>

  4674. #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

  4675. #error not desktop

  4676. #endif

  4677. #endif

  4678. EOF

  4679.     elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then

  4680.         eval ${pfx}libc_type=klibc

  4681.     elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then

  4682.         eval ${pfx}libc_type=bionic

  4683.     elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then

  4684.         eval ${pfx}libc_type=solaris

  4685.         add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600

  4686.     fi

  4687.     check_${pfx}cc <<EOF

  4688. #include <time.h>

  4689. void *v = localtime_r;

  4690. EOF

  4691. 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

  4692. #include <time.h>

  4693. void *v = localtime_r;

  4694. EOF

  4695. 

  4696. }

  4697. 

  4698. probe_libc

  4699. test -n "$libc_type" && enable libc_$libc_type

  4700. probe_libc host_

  4701. test -n "$host_libc_type" && enable host_libc_$host_libc_type

  4702. 

  4703. case $libc_type in

  4704.     bionic)

  4705.         add_compat strtod.o strtod=avpriv_strtod

  4706.         ;;

  4707. esac

  4708. 

  4709. # hacks for compiler/libc/os combinations

  4710. 

  4711. if enabled_all tms470 libc_glibc; then

  4712.     CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"

  4713.     add_cppflags -D__USER_LABEL_PREFIX__=

  4714.     add_cppflags -D__builtin_memset=memset

  4715.     add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED

  4716.     add_cflags   -pds=48    # incompatible redefinition of macro

  4717. fi

  4718. 

  4719. if enabled_all ccc libc_glibc; then

  4720.     add_ldflags -Wl,-z,now  # calls to libots crash without this

  4721. fi

  4722. 

  4723. check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||

  4724.     add_cppflags '-I\$(SRC_PATH)/compat/float'

  4725. 

  4726. esc(){

  4727.     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'

  4728. }

  4729. 

  4730. echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate

  4731. 

  4732. check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic

  4733. 

  4734. set_default libdir

  4735. : ${shlibdir_default:="$libdir"}

  4736. : ${pkgconfigdir_default:="$libdir/pkgconfig"}

  4737. 

  4738. set_default $PATHS_LIST

  4739. set_default nm

  4740. 

  4741. # we need to build at least one lib type

  4742. if ! enabled_any static shared; then

  4743.     cat <<EOF

  4744. At least one library type must be built.

  4745. Specify --enable-static to build the static libraries or --enable-shared to

  4746. build the shared libraries as well. To only build the shared libraries specify

  4747. --disable-static in addition to --enable-shared.

  4748. EOF

  4749.     exit 1;

  4750. fi

  4751. 

  4752. die_license_disabled() {

  4753.     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }

  4754. }

  4755. 

  4756. die_license_disabled_gpl() {

  4757.     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }

  4758. }

  4759. 

  4760. die_license_disabled gpl frei0r

  4761. die_license_disabled gpl libcdio

  4762. die_license_disabled gpl librubberband

  4763. die_license_disabled gpl libsmbclient

  4764. die_license_disabled gpl libutvideo

  4765. die_license_disabled gpl libvidstab

  4766. die_license_disabled gpl libx264

  4767. die_license_disabled gpl libx265

  4768. die_license_disabled gpl libxavs

  4769. die_license_disabled gpl libxvid

  4770. die_license_disabled gpl libzvbi

  4771. die_license_disabled gpl x11grab

  4772. 

  4773. die_license_disabled nonfree libaacplus

  4774. die_license_disabled nonfree libfaac

  4775. die_license_disabled nonfree nvenc

  4776. enabled gpl && die_license_disabled_gpl nonfree libfdk_aac

  4777. enabled gpl && die_license_disabled_gpl nonfree openssl

  4778. 

  4779. die_license_disabled version3 gmp

  4780. die_license_disabled version3 libopencore_amrnb

  4781. die_license_disabled version3 libopencore_amrwb

  4782. die_license_disabled version3 libsmbclient

  4783. die_license_disabled version3 libvo_aacenc

  4784. die_license_disabled version3 libvo_amrwbenc

  4785. 

  4786. enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }

  4787. 

  4788. disabled optimizations || check_cflags -fomit-frame-pointer

  4789. 

  4790. enable_weak_pic() {

  4791.     disabled pic && return

  4792.     enable pic

  4793.     add_cppflags -DPIC

  4794.     case "$target_os" in

  4795.     mingw*|cygwin*)

  4796.         ;;

  4797.     *)

  4798.         add_cflags -fPIC

  4799.         ;;

  4800.     esac

  4801.     add_asflags  -fPIC

  4802. }

  4803. 

  4804. enabled pic && enable_weak_pic

  4805. 

  4806. check_cc <<EOF || die "Symbol mangling check failed."

  4807. int ff_extern;

  4808. EOF

  4809. sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')

  4810. extern_prefix=${sym%%ff_extern*}

  4811. 

  4812. check_cc <<EOF && enable_weak inline_asm

  4813. void foo(void) { __asm__ volatile ("" ::); }

  4814. EOF

  4815. 

  4816. _restrict=

  4817. for restrict_keyword in restrict __restrict__ __restrict; do

  4818.     check_cc <<EOF && _restrict=$restrict_keyword && break

  4819. void foo(char * $restrict_keyword p);

  4820. EOF

  4821. done

  4822. 

  4823. check_cc <<EOF && enable pragma_deprecated

  4824. void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }

  4825. EOF

  4826. 

  4827. check_cc <<EOF && enable attribute_packed

  4828. struct { int x; } __attribute__((packed)) x;

  4829. EOF

  4830. 

  4831. check_cc <<EOF && enable attribute_may_alias

  4832. union { int x; } __attribute__((may_alias)) x;

  4833. EOF

  4834. 

  4835. check_cc <<EOF || die "endian test failed"

  4836. unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';

  4837. EOF

  4838. od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian

  4839. 

  4840. if ! enabled ppc64 || enabled bigendian; then

  4841.     disable vsx

  4842. fi

  4843. 

  4844. check_gas() {

  4845.     log "check_gas using '$as' as AS"

  4846.     # :vararg is used on aarch64, arm and ppc altivec

  4847.     check_as <<EOF || return 1

  4848. .macro m n, y:vararg=0

  4849. \n: .int \y

  4850. .endm

  4851. m x

  4852. EOF

  4853.     # .altmacro is only used in arm asm

  4854.     ! enabled arm || check_as <<EOF || return 1

  4855. .altmacro

  4856. EOF

  4857.     enable gnu_as

  4858.     return 0

  4859. }

  4860. 

  4861. if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then

  4862.     nogas=:

  4863.     enabled_any arm aarch64 && nogas=die

  4864.     enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn

  4865.     as_noop=-v

  4866. 

  4867.     case $as_type in

  4868.         arm*) gaspp_as_type=armasm; as_noop=-h ;;

  4869.         gcc)  gaspp_as_type=gas ;;

  4870.         *)    gaspp_as_type=$as_type ;;

  4871.     esac

  4872. 

  4873.     [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"

  4874. 

  4875.     test "${as#*gas-preprocessor.pl}" != "$as" ||

  4876.     check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&

  4877.         gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"

  4878. 

  4879.     if ! check_gas ; then

  4880.         as=${gas:=$as}

  4881.         check_gas || \

  4882.             $nogas "GNU assembler not found, install/update gas-preprocessor"

  4883.     fi

  4884. 

  4885.     check_as <<EOF && enable as_func

  4886. .func test

  4887. .endfunc

  4888. EOF

  4889. fi

  4890. 

  4891. check_inline_asm inline_asm_labels '"1:\n"'

  4892. 

  4893. check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'

  4894. 

  4895. if enabled aarch64; then

  4896.     enabled armv8 && check_insn armv8 'prfm   pldl1strm, [x0]'

  4897.     # internal assembler in clang 3.3 does not support this instruction

  4898.     enabled neon && check_insn neon 'ext   v0.8B, v0.8B, v1.8B, #1'

  4899.     enabled vfp  && check_insn vfp  'fmadd d0,    d0,    d1,    d2'

  4900. 

  4901.     map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM

  4902. 

  4903. elif enabled alpha; then

  4904. 

  4905.     check_cflags -mieee

  4906. 

  4907. elif enabled arm; then

  4908. 

  4909.     enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb

  4910. 

  4911.     check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb

  4912. float func(float a, float b){ return a+b; }

  4913. EOF

  4914. 

  4915.     enabled thumb && check_cflags -mthumb || check_cflags -marm

  4916. 

  4917.     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then

  4918.         enable vfp_args

  4919.     elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then

  4920.         enable vfp_args

  4921.     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then

  4922.         case "${cross_prefix:-$cc}" in

  4923.             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;

  4924.             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;

  4925. __asm__ (".eabi_attribute 28, 1");

  4926. int main(void) { return 0; }

  4927. EOF

  4928.         esac

  4929.         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."

  4930.     fi

  4931. 

  4932.     enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'

  4933.     enabled armv6   && check_insn armv6   'sadd16 r0, r0, r0'

  4934.     enabled armv6t2 && check_insn armv6t2 'movt r0, #0'

  4935.     enabled neon    && check_insn neon    'vadd.i16 q0, q0, q0'

  4936.     enabled vfp     && check_insn vfp     'fadds s0, s0, s0'

  4937.     enabled vfpv3   && check_insn vfpv3   'vmov.f32 s0, #1.0'

  4938.     enabled setend  && check_insn setend  'setend be'

  4939. 

  4940.     [ $target_os = linux ] || [ $target_os = android ] ||

  4941.         map 'enabled_any ${v}_external ${v}_inline || disable $v' \

  4942.             $ARCH_EXT_LIST_ARM

  4943. 

  4944.     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'

  4945. 

  4946.     check_as <<EOF && enable as_dn_directive

  4947. ra .dn d0.i16

  4948. .unreq ra

  4949. EOF

  4950. 

  4951.     # llvm's integrated assembler supports .object_arch from llvm 3.5

  4952.     [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch

  4953. .object_arch armv4

  4954. EOF

  4955. 

  4956.     [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic

  4957. 

  4958. elif enabled mips; then

  4959. 

  4960.     enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'

  4961.     enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'

  4962.     enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'

  4963. 

  4964.     # Enable minimum ISA based on selected options

  4965.     if enabled mips64 && (enabled mipsdsp || enabled mipsdspr2); then

  4966.         add_cflags "-mips64r2"

  4967.         add_asflags "-mips64r2"

  4968.     elif enabled mips64 && enabled mipsfpu && disabled loongson2 && disabled loongson3; then

  4969.         add_cflags "-mips64"

  4970.         add_asflags "-mips64"

  4971.     elif enabled mipsdsp || enabled mipsdspr2; then

  4972.         add_cflags "-mips32r2 -mfp32"

  4973.         add_asflags "-mips32r2 -mfp32"

  4974.     elif enabled mips64r6; then

  4975.         check_cflags "-mfp64"

  4976.         check_ldflags "-mfp64"

  4977.     fi

  4978. 

  4979.     enabled mips64r6  && check_cflags "-mips64r6 -msched-weight -mload-store-pairs -funroll-loops" &&

  4980.      check_ldflags "-mips64r6" &&

  4981.      check_inline_asm mips64r6  '"aui $t0, $t1, 1"'

  4982.     enabled mipsdsp && add_cflags "-mdsp" && add_asflags "-mdsp" &&

  4983.      check_inline_asm mipsdsp '"addu.qb $t0, $t1, $t2"'

  4984.     enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&

  4985.      check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'

  4986.     enabled mipsfpu   && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&

  4987.      check_inline_asm mipsfpu   '"madd.d $f0, $f2, $f4, $f6"'

  4988.     enabled msa       && check_cflags "-mmsa" && check_ldflags "-mmsa" &&

  4989.      check_inline_asm msa       '"addvi.b $w0, $w1, 1"'

  4990. 

  4991.     enabled mips64r6 && add_asflags "-mips64r6 -mfp64"

  4992.     enabled msa && add_asflags "-mmsa"

  4993. 

  4994. elif enabled parisc; then

  4995. 

  4996.     if enabled gcc; then

  4997.         case $($cc -dumpversion) in

  4998.             4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;

  4999.         esac

  5000.     fi

  5001. 

  5002. elif enabled ppc; then

  5003. 

  5004.     enable local_aligned_8 local_aligned_16 local_aligned_32

  5005. 

  5006.     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'

  5007.     check_inline_asm ibm_asm   '"add 0, 0, 0"'

  5008.     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'

  5009.     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'

  5010. 

  5011.     # AltiVec flags: The FSF version of GCC differs from the Apple version

  5012.     if enabled altivec; then

  5013.         check_cflags -maltivec -mabi=altivec &&

  5014.         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||

  5015.         check_cflags -faltivec

  5016. 

  5017.         # check if our compiler supports Motorola AltiVec C API

  5018.         check_cc <<EOF || disable altivec

  5019. $inc_altivec_h

  5020. int main(void) {

  5021.     vector signed int v1 = (vector signed int) { 0 };

  5022.     vector signed int v2 = (vector signed int) { 1 };

  5023.     v1 = vec_add(v1, v2);

  5024.     return 0;

  5025. }

  5026. EOF

  5027. 

  5028.         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"

  5029.     fi

  5030. 

  5031.     if enabled vsx; then

  5032.         check_cflags -mvsx &&

  5033.         check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx

  5034.     fi

  5035. 

  5036.     if enabled power8; then

  5037.         check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8

  5038.     fi

  5039. 

  5040. elif enabled x86; then

  5041. 

  5042.     check_builtin rdtsc    intrin.h   "__rdtsc()"

  5043.     check_builtin mm_empty mmintrin.h "_mm_empty()"

  5044. 

  5045.     enable local_aligned_8 local_aligned_16 local_aligned_32

  5046. 

  5047.     # check whether EBP is available on x86

  5048.     # As 'i' is stored on the stack, this program will crash

  5049.     # if the base pointer is used to access it because the

  5050.     # base pointer is cleared in the inline assembly code.

  5051.     check_exec_crash <<EOF && enable ebp_available

  5052. volatile int i=0;

  5053. __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");

  5054. return i;

  5055. EOF

  5056. 

  5057.     # check whether EBX is available on x86

  5058.     check_inline_asm ebx_available '""::"b"(0)' &&

  5059.         check_inline_asm ebx_available '"":::"%ebx"'

  5060. 

  5061.     # check whether xmm clobbers are supported

  5062.     check_inline_asm xmm_clobbers '"":::"%xmm0"'

  5063. 

  5064.     check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||

  5065.         check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'

  5066. 

  5067.     # check whether binutils is new enough to compile SSSE3/MMXEXT

  5068.     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'

  5069.     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'

  5070. 

  5071.     if ! disabled_any asm mmx yasm; then

  5072.         if check_cmd $yasmexe --version; then

  5073.             enabled x86_64 && yasm_extra="-m amd64"

  5074.             yasm_debug="-g dwarf2"

  5075.         elif check_cmd nasm -v; then

  5076.             yasmexe=nasm

  5077.             yasm_debug="-g -F dwarf"

  5078.             if enabled x86_64; then

  5079.                 case "$objformat" in

  5080.                     elf)   objformat=elf64 ;;

  5081.                     win32) objformat=win64 ;;

  5082.                 esac

  5083.             fi

  5084.         fi

  5085. 

  5086.         YASMFLAGS="-f $objformat $yasm_extra"

  5087.         enabled pic               && append YASMFLAGS "-DPIC"

  5088.         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"

  5089.         case "$objformat" in

  5090.             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;

  5091.         esac

  5092. 

  5093.         check_yasm "movbe ecx, [5]" && enable yasm ||

  5094.             die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."

  5095.         check_yasm "vextracti128 xmm0, ymm0, 0"      || disable avx2_external

  5096.         check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external

  5097.         check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external

  5098.         check_yasm "CPU amdnop" || disable cpunop

  5099.     fi

  5100. 

  5101.     case "$cpu" in

  5102.         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)

  5103.             disable fast_clz

  5104.         ;;

  5105.     esac

  5106. 

  5107. fi

  5108. 

  5109. check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon

  5110. 

  5111. check_ldflags -Wl,--as-needed

  5112. check_ldflags -Wl,-z,noexecstack

  5113. 

  5114. if check_func dlopen; then

  5115.     ldl=

  5116. elif check_func dlopen -ldl; then

  5117.     ldl=-ldl

  5118. fi

  5119. 

  5120. frei0r_filter_extralibs='$ldl'

  5121. frei0r_src_filter_extralibs='$ldl'

  5122. ladspa_filter_extralibs='$ldl'

  5123. nvenc_encoder_extralibs='$ldl'

  5124. 

  5125. if ! disabled network; then

  5126.     check_func getaddrinfo $network_extralibs

  5127.     check_func inet_aton $network_extralibs

  5128. 

  5129.     check_type netdb.h "struct addrinfo"

  5130.     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE

  5131.     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE

  5132.     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE

  5133.     check_type poll.h "struct pollfd"

  5134.     check_type netinet/sctp.h "struct sctp_event_subscribe"

  5135.     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len

  5136.     check_type netinet/in.h "struct sockaddr_in6"

  5137.     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"

  5138.     check_type "sys/types.h sys/socket.h" socklen_t

  5139. 

  5140.     # Prefer arpa/inet.h over winsock2

  5141.     if check_header arpa/inet.h ; then

  5142.         check_func closesocket

  5143.     elif check_header winsock2.h ; then

  5144.         check_func_headers winsock2.h closesocket -lws2 &&

  5145.             network_extralibs="-lws2" ||

  5146.         { check_func_headers winsock2.h closesocket -lws2_32 &&

  5147.             network_extralibs="-lws2_32"; } || disable winsock2_h network

  5148.         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs

  5149. 

  5150.         check_type ws2tcpip.h socklen_t

  5151.         check_type ws2tcpip.h "struct addrinfo"

  5152.         check_type ws2tcpip.h "struct group_source_req"

  5153.         check_type ws2tcpip.h "struct ip_mreq_source"

  5154.         check_type ws2tcpip.h "struct ipv6_mreq"

  5155.         check_type winsock2.h "struct pollfd"

  5156.         check_struct winsock2.h "struct sockaddr" sa_len

  5157.         check_type ws2tcpip.h "struct sockaddr_in6"

  5158.         check_type ws2tcpip.h "struct sockaddr_storage"

  5159.     else

  5160.         disable network

  5161.     fi

  5162. fi

  5163. 

  5164. check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"

  5165. check_builtin atomic_compare_exchange "" "int *ptr, *oldval; int newval; __atomic_compare_exchange_n(ptr, oldval, newval, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)"

  5166. check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"

  5167. check_builtin MemoryBarrier windows.h "MemoryBarrier()"

  5168. check_builtin sarestart signal.h "SA_RESTART"

  5169. check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"

  5170. check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"

  5171. check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"

  5172. 

  5173. case "$custom_allocator" in

  5174.     jemalloc)

  5175.         # jemalloc by default does not use a prefix

  5176.         require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc

  5177.     ;;

  5178.     tcmalloc)

  5179.         require_pkg_config libtcmalloc gperftools/tcmalloc.h tc_malloc

  5180.         malloc_prefix=tc_

  5181.     ;;

  5182. esac

  5183. 

  5184. check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc

  5185. check_func  ${malloc_prefix}memalign            && enable memalign

  5186. check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign

  5187. 

  5188. check_func  access

  5189. check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  5190. check_func  fcntl

  5191. check_func  fork

  5192. check_func  gethrtime

  5193. check_func  getopt

  5194. check_func  getrusage

  5195. check_func  gettimeofday

  5196. check_func  isatty

  5197. check_func  mach_absolute_time

  5198. check_func  mkstemp

  5199. check_func  mmap

  5200. check_func  mprotect

  5201. # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that

  5202. check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  5203. check_func  sched_getaffinity

  5204. check_func  setrlimit

  5205. check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE

  5206. check_func  strerror_r

  5207. check_func  sysconf

  5208. check_func  sysctl

  5209. check_func  usleep

  5210. 

  5211. check_func_headers conio.h kbhit

  5212. check_func_headers io.h setmode

  5213. check_func_headers lzo/lzo1x.h lzo1x_999_compress

  5214. check_func_headers stdlib.h getenv

  5215. check_func_headers sys/stat.h lstat

  5216. 

  5217. check_func_headers windows.h CoTaskMemFree -lole32

  5218. check_func_headers windows.h GetProcessAffinityMask

  5219. check_func_headers windows.h GetProcessTimes

  5220. check_func_headers windows.h GetSystemTimeAsFileTime

  5221. check_func_headers windows.h MapViewOfFile

  5222. check_func_headers windows.h PeekNamedPipe

  5223. check_func_headers windows.h SetConsoleTextAttribute

  5224. check_func_headers windows.h SetConsoleCtrlHandler

  5225. check_func_headers windows.h Sleep

  5226. check_func_headers windows.h VirtualAlloc

  5227. check_struct windows.h "CONDITION_VARIABLE" Ptr

  5228. check_func_headers glob.h glob

  5229. enabled xlib &&

  5230.     check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext

  5231. 

  5232. check_header direct.h

  5233. check_header dirent.h

  5234. check_header dlfcn.h

  5235. check_header d3d11.h

  5236. check_header dxva.h

  5237. check_header dxva2api.h -D_WIN32_WINNT=0x0600

  5238. check_header io.h

  5239. check_header libcrystalhd/libcrystalhd_if.h

  5240. check_header mach/mach_time.h

  5241. check_header malloc.h

  5242. check_header net/udplite.h

  5243. check_header poll.h

  5244. check_header sys/mman.h

  5245. check_header sys/param.h

  5246. check_header sys/resource.h

  5247. check_header sys/select.h

  5248. check_header sys/time.h

  5249. check_header sys/un.h

  5250. check_header termios.h

  5251. check_header unistd.h

  5252. check_header valgrind/valgrind.h

  5253. check_header vdpau/vdpau.h

  5254. check_header vdpau/vdpau_x11.h

  5255. check_header VideoDecodeAcceleration/VDADecoder.h

  5256. check_header VideoToolbox/VideoToolbox.h

  5257. check_header windows.h

  5258. check_header X11/extensions/XvMClib.h

  5259. check_header asm/types.h

  5260. 

  5261. check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32

  5262. check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32

  5263. check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi

  5264. check_lib "CoreServices/CoreServices.h" UTGetOSTypeFromString "-framework CoreServices"

  5265. 

  5266. check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss

  5267. 

  5268. check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0

  5269. check_type "windows.h d3d11.h" "ID3D11VideoDecoder"

  5270. check_type "windows.h d3d11.h" "ID3D11VideoContext"

  5271. check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602

  5272. 

  5273. check_type "va/va.h" "VAPictureParameterBufferHEVC"

  5274. 

  5275. check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"

  5276. 

  5277. check_cpp_condition windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)" && enable winrt || disable winrt

  5278. 

  5279. if ! disabled w32threads && ! enabled pthreads; then

  5280.     check_func_headers "windows.h process.h" _beginthreadex &&

  5281.         enable w32threads || disable w32threads

  5282.     if ! enabled w32threads && enabled winrt; then

  5283.         check_func_headers "windows.h" CreateThread &&

  5284.             enable w32threads || disable w32threads

  5285.     fi

  5286. fi

  5287. 

  5288. # check for some common methods of building with pthread support

  5289. # do this before the optional library checks as some of them require pthreads

  5290. if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then

  5291.     enable pthreads

  5292.     if check_func pthread_join -pthread && check_func pthread_create -pthread; then

  5293.         add_cflags -pthread

  5294.         add_extralibs -pthread

  5295.     elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then

  5296.         add_cflags -pthreads

  5297.         add_extralibs -pthreads

  5298.     elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then

  5299.         add_cflags -ldl -pthread

  5300.         add_extralibs -ldl -pthread

  5301.     elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then

  5302.         add_extralibs -lpthreadGC2

  5303.     elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then

  5304.         :

  5305.     elif ! check_func pthread_join && ! check_func pthread_create; then

  5306.         disable pthreads

  5307.     fi

  5308.     check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads

  5309. fi

  5310. 

  5311. 

  5312. if enabled pthreads; then

  5313.   check_func pthread_cancel

  5314. fi

  5315. 

  5316. disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib

  5317. disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib

  5318. disabled  lzma || check_lib2  lzma.h lzma_version_number -llzma || disable lzma

  5319. 

  5320. check_lib math.h sin -lm && LIBM="-lm"

  5321. disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd

  5322. 

  5323. atan2f_args=2

  5324. copysign_args=2

  5325. hypot_args=2

  5326. ldexpf_args=2

  5327. powf_args=2

  5328. 

  5329. for func in $MATH_FUNCS; do

  5330.     eval check_mathfunc $func \${${func}_args:-1}

  5331. done

  5332. 

  5333. for func in $COMPLEX_FUNCS; do

  5334.     eval check_complexfunc $func \${${func}_args:-1}

  5335. done

  5336. 

  5337. # these are off by default, so fail if requested and not available

  5338. enabled avfoundation_indev && { check_header_oc AVFoundation/AVFoundation.h || disable avfoundation_indev; }

  5339. enabled avfoundation_indev && { check_lib2 CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||

  5340.                                 check_lib2 ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }

  5341. enabled avisynth          && { { check_lib2 "windows.h" LoadLibrary; } ||

  5342.                                { check_lib2 "dlfcn.h" dlopen -ldl; } ||

  5343.                                die "ERROR: LoadLibrary/dlopen not found for avisynth"; }

  5344. enabled chromaprint       && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint

  5345. enabled decklink          && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }

  5346. enabled frei0r            && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }

  5347. enabled gcrypt            && require2 gcrypt gcrypt.h gcry_mpi_new -lgcrypt

  5348. enabled gmp               && require2 gmp gmp.h mpz_export -lgmp

  5349. enabled gnutls            && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init

  5350. enabled ladspa            && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }

  5351. enabled libiec61883       && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883

  5352. enabled libaacplus        && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus

  5353. enabled libass            && require_pkg_config libass ass/ass.h ass_library_init

  5354. enabled libbluray         && require_pkg_config libbluray libbluray/bluray.h bd_open

  5355. enabled libbs2b           && require_pkg_config libbs2b bs2b.h bs2b_open

  5356. enabled libcelt           && require libcelt celt/celt.h celt_decode -lcelt0 &&

  5357.                              { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||

  5358.                                die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }

  5359. enabled libcaca           && require_pkg_config caca caca.h caca_create_canvas

  5360. enabled libdcadec         && require_pkg_config "dcadec >= 0.1.0" libdcadec/dca_context.h dcadec_context_create

  5361. enabled libfaac           && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac

  5362. enabled libfdk_aac        && { use_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||

  5363.                                { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&

  5364.                                  warn "using libfdk without pkg-config"; } }

  5365. 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"

  5366. enabled libflite          && require2 libflite "flite/flite.h" flite_init $flite_libs

  5367. enabled fontconfig        && enable libfontconfig

  5368. enabled libfontconfig     && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit

  5369. enabled libfreetype       && require_libfreetype

  5370. enabled libfribidi        && require_pkg_config fribidi fribidi.h fribidi_version_info

  5371. enabled libgme            && require  libgme gme/gme.h gme_new_emu -lgme -lstdc++

  5372. enabled libgsm            && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do

  5373.                                    check_lib "${gsm_hdr}" gsm_create -lgsm && break;

  5374.                                done || die "ERROR: libgsm not found"; }

  5375. enabled libilbc           && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc

  5376. enabled libkvazaar        && require_pkg_config "kvazaar >= 0.7.1" kvazaar.h kvz_api_get

  5377. enabled libmfx            && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit

  5378. enabled libmodplug        && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load

  5379. enabled libmp3lame        && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame

  5380. enabled libnut            && require libnut libnut.h nut_demuxer_init -lnut

  5381. enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb

  5382. enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb

  5383. enabled libopencv         && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader

  5384. enabled libopenh264       && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion

  5385. enabled libopenjpeg       && { check_lib openjpeg.h opj_version -lopenmj2 -DOPJ_STATIC ||

  5386.                                check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  5387.                                check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  5388.                                die "ERROR: libopenjpeg not found"; }

  5389. enabled libopus           && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create

  5390. enabled libpulse          && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new

  5391. enabled libquvi           && require_pkg_config libquvi quvi/quvi.h quvi_init

  5392. enabled librtmp           && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket

  5393. enabled librubberband     && require_pkg_config "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new

  5394. enabled libschroedinger   && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init

  5395. enabled libshine          && require_pkg_config shine shine/layer3.h shine_encode_buffer

  5396. enabled libsmbclient      && { use_pkg_config smbclient libsmbclient.h smbc_init ||

  5397.                                require smbclient libsmbclient.h smbc_init -lsmbclient; }

  5398. enabled libsnappy         && require snappy snappy-c.h snappy_compress -lsnappy

  5399. enabled libsoxr           && require libsoxr soxr.h soxr_create -lsoxr && LIBSOXR="-lsoxr"

  5400. enabled libssh            && require_pkg_config libssh libssh/sftp.h sftp_init

  5401. enabled libspeex          && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex

  5402. enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h

  5403.     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h

  5404.     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static

  5405. enabled libtesseract      && require_pkg_config tesseract tesseract/capi.h TessBaseAPICreate

  5406. enabled libtheora         && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg

  5407. enabled libtwolame        && require libtwolame twolame.h twolame_init -ltwolame &&

  5408.                              { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||

  5409.                                die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }

  5410. enabled libutvideo        && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++

  5411. enabled libv4l2           && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl

  5412. enabled libvidstab        && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit

  5413. enabled libvo_aacenc      && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc

  5414. enabled libvo_amrwbenc    && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc

  5415. enabled libvorbis         && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg

  5416. 

  5417. enabled libvpx            && {

  5418.     enabled libvpx_vp8_decoder && {

  5419.         use_pkg_config "vpx >= 0.9.1" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||

  5420.             check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||

  5421.                 die "ERROR: libvpx decoder version must be >=0.9.1";

  5422.     }

  5423.     enabled libvpx_vp8_encoder && {

  5424.         use_pkg_config "vpx >= 0.9.7" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||

  5425.             check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||

  5426.                 die "ERROR: libvpx encoder version must be >=0.9.7";

  5427.     }

  5428.     enabled libvpx_vp9_decoder && {

  5429.         use_pkg_config "vpx >= 1.3.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||

  5430.             check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx ||

  5431.                 disable libvpx_vp9_decoder;

  5432.     }

  5433.     enabled libvpx_vp9_encoder && {

  5434.         use_pkg_config "vpx >= 1.3.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||

  5435.             check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx ||

  5436.                 disable libvpx_vp9_encoder;

  5437.     }

  5438.     if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then

  5439.         die "libvpx enabled but no supported decoders found"

  5440.     fi

  5441. }

  5442. 

  5443. enabled libwavpack        && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput  -lwavpack

  5444. enabled libwebp           && {

  5445.     enabled libwebp_encoder      && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion

  5446.     enabled libwebp_anim_encoder && { use_pkg_config "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit || disable libwebp_anim_encoder; } }

  5447. enabled libx264           && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||

  5448.                                { require libx264 x264.h x264_encoder_encode -lx264 &&

  5449.                                  warn "using libx264 without pkg-config"; } } &&

  5450.                              { check_cpp_condition x264.h "X264_BUILD >= 118" ||

  5451.                                die "ERROR: libx264 must be installed and version must be >= 0.118."; } &&

  5452.                              { check_cpp_condition x264.h "X264_MPEG2" &&

  5453.                                enable libx262; }

  5454. enabled libx265           && require_pkg_config x265 x265.h x265_api_get &&

  5455.                              { check_cpp_condition x265.h "X265_BUILD >= 57" ||

  5456.                                die "ERROR: libx265 version must be >= 57."; }

  5457. enabled libxavs           && require libxavs xavs.h xavs_encoder_encode -lxavs

  5458. enabled libxvid           && require libxvid xvid.h xvid_global -lxvidcore

  5459. enabled libzimg           && require_pkg_config zimg zimg.h zimg_get_api_version

  5460. enabled libzmq            && require_pkg_config libzmq zmq.h zmq_ctx_new

  5461. enabled libzvbi           && require libzvbi libzvbi.h vbi_decoder_new -lzvbi

  5462. enabled mmal              && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||

  5463.                                 { ! enabled cross_compile && {

  5464.                                     add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;

  5465.                                     add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;

  5466.                                     check_lib interface/mmal/mmal.h mmal_port_connect ; }

  5467.                                 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||

  5468.                                die "ERROR: mmal not found"; }

  5469. enabled nvenc             && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; } &&

  5470.                              { check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 5" ||

  5471.                                die "ERROR: NVENC API version 4 or older is not supported"; } &&

  5472.                              { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }

  5473. enabled openal            && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do

  5474.                                check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||

  5475.                                die "ERROR: openal not found"; } &&

  5476.                              { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||

  5477.                                die "ERROR: openal must be installed and version must be 1.1 or compatible"; }

  5478. enabled opencl            && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||

  5479.                                check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||

  5480.                                die "ERROR: opencl not found"; } &&

  5481.                              { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||

  5482.                                check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||

  5483.                                die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }

  5484. enabled opengl            && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||

  5485.                                check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||

  5486.                                check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||

  5487.                                check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||

  5488.                                die "ERROR: opengl not found."

  5489.                              }

  5490. enabled openssl           && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||

  5491.                                check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||

  5492.                                check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||

  5493.                                die "ERROR: openssl not found"; }

  5494. enabled qtkit_indev      && { check_header_oc QTKit/QTKit.h || disable qtkit_indev; }

  5495. 

  5496. # libdc1394 check

  5497. if enabled libdc1394; then

  5498.     { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&

  5499.         enable libdc1394_2; } ||

  5500.     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&

  5501.         enable libdc1394_1; } ||

  5502.     die "ERROR: No version of libdc1394 found "

  5503. fi

  5504. if ! disabled sdl; then

  5505.     SDL_CONFIG="${cross_prefix}sdl-config"

  5506.     if check_pkg_config sdl SDL_events.h SDL_PollEvent; then

  5507.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5508.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5509.         enable sdl

  5510.     else

  5511.         if "${SDL_CONFIG}" --version > /dev/null 2>&1; then

  5512.             sdl_cflags=$("${SDL_CONFIG}" --cflags)

  5513.             sdl_libs=$("${SDL_CONFIG}" --libs)

  5514.             check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&

  5515.             check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5516.             check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5517.             enable sdl

  5518.         elif enabled sdl ; then

  5519.             die "ERROR: SDL not found"

  5520.         else

  5521.             disable sdl

  5522.         fi

  5523.     fi

  5524.     if test $target_os = "mingw32"; then

  5525.         sdl_libs="$sdl_libs -mconsole"

  5526.     fi

  5527. fi

  5528. enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs

  5529. 

  5530. disabled securetransport || { check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&

  5531.     check_lib2 "Security/SecureTransport.h Security/Security.h" "SSLCreateContext SecItemImport" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&

  5532.     enable securetransport; }

  5533. 

  5534. disabled schannel || { check_func_headers "windows.h Security.h" InitializeSecurityContext -DSECURITY_WIN32 -lSecur32 &&

  5535.                        enable schannel && add_extralibs -lSecur32; }

  5536. 

  5537. makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo

  5538. enabled makeinfo \

  5539.     && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \

  5540.     && enable makeinfo_html || disable makeinfo_html

  5541. disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html

  5542. perl -v            > /dev/null 2>&1 && enable perl      || disable perl

  5543. pod2man --help     > /dev/null 2>&1 && enable pod2man   || disable pod2man

  5544. rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout

  5545. 

  5546. check_header linux/fb.h

  5547. check_header linux/videodev.h

  5548. check_header linux/videodev2.h

  5549. check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5550. 

  5551. check_header sys/videoio.h

  5552. check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5553. 

  5554. check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"

  5555. # check that WM_CAP_DRIVER_CONNECT is defined to the proper value

  5556. # w32api 3.12 had it defined wrong

  5557. check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines

  5558. 

  5559. check_type "dshow.h" IBaseFilter

  5560. 

  5561. # check for ioctl_meteor.h, ioctl_bt848.h and alternatives

  5562. { check_header dev/bktr/ioctl_meteor.h &&

  5563.   check_header dev/bktr/ioctl_bt848.h; } ||

  5564. { check_header machine/ioctl_meteor.h &&

  5565.   check_header machine/ioctl_bt848.h; } ||

  5566. { check_header dev/video/meteor/ioctl_meteor.h &&

  5567.   check_header dev/video/bktr/ioctl_bt848.h; } ||

  5568. check_header dev/ic/bt8xx.h

  5569. 

  5570. check_header sndio.h

  5571. if check_struct sys/soundcard.h audio_buf_info bytes; then

  5572.     enable_safe sys/soundcard.h

  5573. else

  5574.     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h

  5575.     #include <sys/soundcard.h>

  5576.     audio_buf_info abc;

  5577. EOF

  5578. fi

  5579. check_header soundcard.h

  5580. 

  5581. enabled_any alsa_indev alsa_outdev &&

  5582.     check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound

  5583. 

  5584. enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&

  5585.     check_func jack_port_get_latency_range -ljack

  5586. 

  5587. enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio

  5588. 

  5589. if enabled libcdio; then

  5590.     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5591.     check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5592.     die "ERROR: No usable libcdio/cdparanoia found"

  5593. fi

  5594. 

  5595. enabled xlib &&

  5596.     check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib

  5597. 

  5598. if ! disabled libxcb; then

  5599.     check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {

  5600.         enabled libxcb && die "ERROR: libxcb >= 1.4 not found";

  5601.     } && disable x11grab && enable libxcb

  5602. 

  5603. if enabled libxcb; then

  5604.     disabled libxcb_shm || {

  5605.         check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {

  5606.             enabled libxcb_shm && die "ERROR: libxcb_shm not found";

  5607.         } && check_header sys/shm.h && enable libxcb_shm; }

  5608. 

  5609.     disabled libxcb_xfixes || {

  5610.         check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {

  5611.             enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";

  5612.         } && enable libxcb_xfixes; }

  5613. 

  5614.     disabled libxcb_shape || {

  5615.         check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {

  5616.             enabled libxcb_shape && die "ERROR: libxcb_shape not found";

  5617.         } && enable libxcb_shape; }

  5618. 

  5619.     add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags

  5620.     add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs

  5621. fi

  5622. fi

  5623. 

  5624. if enabled x11grab; then

  5625.     enabled xlib || die "ERROR: Xlib not found"

  5626.     require Xext X11/extensions/XShm.h XShmCreateImage -lXext

  5627.     require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes

  5628. fi

  5629. 

  5630. check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"

  5631. 

  5632. enabled dxva2api_h &&

  5633.     check_cc <<EOF && enable dxva2api_cobj

  5634. #define _WIN32_WINNT 0x0600

  5635. #define COBJMACROS

  5636. #include <windows.h>

  5637. #include <d3d9.h>

  5638. #include <dxva2api.h>

  5639. int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }

  5640. EOF

  5641. 

  5642. enabled vaapi &&

  5643.     check_lib va/va.h vaInitialize -lva ||

  5644.     disable vaapi

  5645. 

  5646. enabled vaapi && enabled xlib &&

  5647.     check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&

  5648.     enable vaapi_x11

  5649. 

  5650. enabled vdpau &&

  5651.     check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||

  5652.     disable vdpau

  5653. 

  5654. enabled vdpau && enabled xlib &&

  5655.     check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&

  5656.     prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&

  5657.     enable vdpau_x11

  5658. 

  5659. # Funny iconv installations are not unusual, so check it after all flags have been set

  5660. disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv

  5661. 

  5662. enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"

  5663. 

  5664. # add some useful compiler flags if supported

  5665. check_cflags -Wdeclaration-after-statement

  5666. check_cflags -Wall

  5667. check_cflags -Wdisabled-optimization

  5668. check_cflags -Wpointer-arith

  5669. check_cflags -Wredundant-decls

  5670. check_cflags -Wwrite-strings

  5671. check_cflags -Wtype-limits

  5672. check_cflags -Wundef

  5673. check_cflags -Wmissing-prototypes

  5674. check_cflags -Wno-pointer-to-int-cast

  5675. check_cflags -Wstrict-prototypes

  5676. check_cflags -Wempty-body

  5677. enabled extra_warnings && check_cflags -Winline

  5678. 

  5679. check_disable_warning(){

  5680.     warning_flag=-W${1#-Wno-}

  5681.     test_cflags $warning_flag && add_cflags $1

  5682. }

  5683. 

  5684. check_disable_warning -Wno-parentheses

  5685. check_disable_warning -Wno-switch

  5686. check_disable_warning -Wno-format-zero-length

  5687. check_disable_warning -Wno-pointer-sign

  5688. 

  5689. # add some linker flags

  5690. check_ldflags -Wl,--warn-common

  5691. check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample

  5692. enabled rpath && add_ldexeflags -Wl,-rpath,$libdir

  5693. enabled rpath && add_ldlibflags -Wl,-rpath,$libdir

  5694. test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic

  5695. 

  5696. # add some strip flags

  5697. # -wN '..@*' is more selective than -x, but not available everywhere.

  5698. check_stripflags -wN \'..@*\' || check_stripflags -x

  5699. 

  5700. enabled neon_clobber_test &&

  5701.     check_ldflags -Wl,--wrap,avcodec_open2              \

  5702.                   -Wl,--wrap,avcodec_decode_audio4      \

  5703.                   -Wl,--wrap,avcodec_decode_video2      \

  5704.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  5705.                   -Wl,--wrap,avcodec_encode_audio2      \

  5706.                   -Wl,--wrap,avcodec_encode_video2      \

  5707.                   -Wl,--wrap,avcodec_encode_subtitle    \

  5708.                   -Wl,--wrap,swr_convert                \

  5709.                   -Wl,--wrap,avresample_convert ||

  5710.     disable neon_clobber_test

  5711. 

  5712. enabled xmm_clobber_test &&

  5713.     check_ldflags -Wl,--wrap,avcodec_open2              \

  5714.                   -Wl,--wrap,avcodec_decode_audio4      \

  5715.                   -Wl,--wrap,avcodec_decode_video2      \

  5716.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  5717.                   -Wl,--wrap,avcodec_encode_audio2      \

  5718.                   -Wl,--wrap,avcodec_encode_video2      \

  5719.                   -Wl,--wrap,avcodec_encode_subtitle    \

  5720.                   -Wl,--wrap,swr_convert                \

  5721.                   -Wl,--wrap,avresample_convert         \

  5722.                   -Wl,--wrap,sws_scale ||

  5723.     disable xmm_clobber_test

  5724. 

  5725. echo "X { local: *; };" > $TMPV

  5726. if test_ldflags -Wl,--version-script,$TMPV; then

  5727.     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'

  5728. elif test_ldflags -Wl,-M,$TMPV; then

  5729.     append SHFLAGS '-Wl,-M,\$(SUBDIR)lib\$(NAME).ver-sol2'

  5730. fi

  5731. 

  5732. check_cc <<EOF && enable symver_asm_label

  5733. void ff_foo(void) __asm__ ("av_foo@VERSION");

  5734. void ff_foo(void) { ${inline_asm+__asm__($quotes);} }

  5735. EOF

  5736.     check_cc <<EOF && enable symver_gnu_asm

  5737. __asm__(".symver ff_foo,av_foo@VERSION");

  5738. void ff_foo(void) {}

  5739. EOF

  5740. 

  5741. if [ -z "$optflags" ]; then

  5742.     if enabled small; then

  5743.         optflags=$cflags_size

  5744.     elif enabled optimizations; then

  5745.         optflags=$cflags_speed

  5746.     else

  5747.         optflags=$cflags_noopt

  5748.     fi

  5749. fi

  5750. 

  5751. check_optflags(){

  5752.     check_cflags "$@"

  5753.     enabled lto && check_ldflags "$@"

  5754. }

  5755. 

  5756. 

  5757. if enabled lto; then

  5758.     test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"

  5759.     check_cflags  -flto

  5760.     check_ldflags -flto $cpuflags

  5761.     disable inline_asm_direct_symbol_refs

  5762. fi

  5763. 

  5764. check_optflags $optflags

  5765. check_optflags -fno-math-errno

  5766. check_optflags -fno-signed-zeros

  5767. 

  5768. enabled ftrapv && check_cflags -ftrapv

  5769. 

  5770. check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"

  5771. int x;

  5772. EOF

  5773. 

  5774. 

  5775. if enabled icc; then

  5776.     # Just warnings, no remarks

  5777.     check_cflags -w1

  5778.     # -wd: Disable following warnings

  5779.     # 144, 167, 556: -Wno-pointer-sign

  5780.     # 188: enumerated type mixed with another type

  5781.     # 1292: attribute "foo" ignored

  5782.     # 1419: external declaration in primary source file

  5783.     # 10006: ignoring unknown option -fno-signed-zeros

  5784.     # 10148: ignoring unknown option -Wno-parentheses

  5785.     # 10156: ignoring option '-W'; no argument required

  5786.     # 13200: No EMMS instruction before call to function

  5787.     # 13203: No EMMS instruction before return from function

  5788.     check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203

  5789.     # 11030: Warning unknown option --as-needed

  5790.     # 10156: ignoring option '-export'; no argument required

  5791.     check_ldflags -wd10156,11030

  5792.     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test

  5793.     enable ebp_available

  5794.     # The test above does not test linking

  5795.     enabled lto && disable symver_asm_label

  5796.     if enabled x86_32; then

  5797.         icc_version=$($cc -dumpversion)

  5798.         test ${icc_version%%.*} -ge 11 &&

  5799.             check_cflags -falign-stack=maintain-16-byte ||

  5800.             disable aligned_stack

  5801.     fi

  5802. elif enabled ccc; then

  5803.     # disable some annoying warnings

  5804.     add_cflags -msg_disable bitnotint

  5805.     add_cflags -msg_disable mixfuncvoid

  5806.     add_cflags -msg_disable nonstandcast

  5807.     add_cflags -msg_disable unsupieee

  5808. elif enabled gcc; then

  5809.     check_optflags -fno-tree-vectorize

  5810.     check_cflags -Werror=format-security

  5811.     check_cflags -Werror=implicit-function-declaration

  5812.     check_cflags -Werror=missing-prototypes

  5813.     check_cflags -Werror=return-type

  5814.     check_cflags -Werror=vla

  5815.     check_cflags -Wformat

  5816.     check_cflags -fdiagnostics-color=auto

  5817.     enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized

  5818. elif enabled llvm_gcc; then

  5819.     check_cflags -mllvm -stack-alignment=16

  5820. elif enabled clang; then

  5821.     check_cflags -mllvm -stack-alignment=16

  5822.     check_cflags -Qunused-arguments

  5823.     check_cflags -Werror=implicit-function-declaration

  5824.     check_cflags -Werror=missing-prototypes

  5825.     check_cflags -Werror=return-type

  5826. elif enabled cparser; then

  5827.     add_cflags -Wno-missing-variable-declarations

  5828.     add_cflags -Wno-empty-statement

  5829. elif enabled armcc; then

  5830.     add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat

  5831.     add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir

  5832.     # 2523: use of inline assembly is deprecated

  5833.     add_cflags -W${armcc_opt},--diag_suppress=2523

  5834.     add_cflags -W${armcc_opt},--diag_suppress=1207

  5835.     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition

  5836.     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat

  5837.     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign

  5838.     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign

  5839. elif enabled tms470; then

  5840.     add_cflags -pds=824 -pds=837

  5841.     disable inline_asm

  5842. elif enabled pathscale; then

  5843.     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF

  5844. elif enabled_any msvc icl; then

  5845.     enabled x86_32 && disable aligned_stack

  5846.     enabled_all x86_32 debug && add_cflags -Oy-

  5847.     enabled debug && add_ldflags -debug

  5848.     enable pragma_deprecated

  5849.     if enabled icl; then

  5850.         # -Qansi-alias is basically -fstrict-aliasing, but does not work

  5851.         # (correctly) on icl 13.x.

  5852.         check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&

  5853.             add_cflags -Qansi-alias

  5854.         # Some inline asm is not compilable in debug

  5855.         if enabled debug; then

  5856.             disable ebp_available

  5857.             disable ebx_available

  5858.         fi

  5859.     fi

  5860.     # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.

  5861.     check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2

  5862.     # The CRT headers contain __declspec(restrict) in a few places, but if redefining

  5863.     # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)

  5864.     # (as it ends up if the restrict redefine is done before including stdlib.h), while

  5865.     # MSVC 2013 and newer can handle it fine.

  5866.     # If this declspec fails, force including stdlib.h before the restrict redefinition

  5867.     # happens in config.h.

  5868.     if [ $_restrict != restrict ]; then

  5869.         check_cc <<EOF || add_cflags -FIstdlib.h

  5870. __declspec($_restrict) void* foo(int);

  5871. EOF

  5872.     fi

  5873.     check_func strtoll || add_cflags -Dstrtoll=_strtoi64

  5874. fi

  5875. 

  5876. for pfx in "" host_; do

  5877.     varname=${pfx%_}cc_type

  5878.     eval "type=\$$varname"

  5879.     if [ $type = "msvc" ]; then

  5880.         check_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline

  5881. static inline int foo(int a) { return a; }

  5882. EOF

  5883.     fi

  5884. done

  5885. 

  5886. case $as_type in

  5887.     clang)

  5888.         add_asflags -Qunused-arguments

  5889.     ;;

  5890. esac

  5891. 

  5892. case $ld_type in

  5893.     clang)

  5894.         check_ldflags -Qunused-arguments

  5895.     ;;

  5896. esac

  5897. 

  5898. case $target_os in

  5899.     osf1)

  5900.         enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'

  5901.     ;;

  5902.     plan9)

  5903.         add_cppflags -Dmain=plan9_main

  5904.     ;;

  5905. esac

  5906. 

  5907. enable frame_thread_encoder

  5908. 

  5909. enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }

  5910. 

  5911. check_deps $CONFIG_LIST       \

  5912.            $CONFIG_EXTRA      \

  5913.            $HAVE_LIST         \

  5914.            $ALL_COMPONENTS    \

  5915. 

  5916. 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"

  5917. 

  5918. 

  5919. if test $target_os = "haiku"; then

  5920.     disable memalign

  5921.     disable posix_memalign

  5922. fi

  5923. 

  5924. enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&

  5925.     prepend ffmpeg_libs $($ldflags_filter "-lole32" "-luser32") &&

  5926.     enable dxva2_lib

  5927. 

  5928. ! enabled_any memalign posix_memalign aligned_malloc &&

  5929.     enabled simd_align_16 && enable memalign_hack

  5930. 

  5931. # add_dep lib dep

  5932. # -> enable ${lib}_deps_${dep}

  5933. # -> add $dep to ${lib}_deps only once

  5934. add_dep() {

  5935.     lib=$1

  5936.     dep=$2

  5937.     enabled "${lib}_deps_${dep}" && return 0

  5938.     enable  "${lib}_deps_${dep}"

  5939.     prepend "${lib}_deps" $dep

  5940. }

  5941. 

  5942. # merge deps lib components

  5943. # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*

  5944. merge_deps() {

  5945.     lib=$1

  5946.     shift

  5947.     for comp in $*; do

  5948.         enabled $comp || continue

  5949.         eval "dep=\"\$${comp}_deps\""

  5950.         for d in $dep; do

  5951.             add_dep $lib $d

  5952.         done

  5953.     done

  5954. }

  5955. 

  5956. merge_deps libavfilter $FILTER_LIST

  5957. 

  5958. map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST

  5959. 

  5960. for thread in $THREADS_LIST; do

  5961.     if enabled $thread; then

  5962.         test -n "$thread_type" &&

  5963.             die "ERROR: Only one thread type must be selected." ||

  5964.             thread_type="$thread"

  5965.     fi

  5966. done

  5967. 

  5968. enabled zlib && add_cppflags -DZLIB_CONST

  5969. 

  5970. # conditional library dependencies, in linking order

  5971. enabled amovie_filter       && prepend avfilter_deps "avformat avcodec"

  5972. enabled aresample_filter    && prepend avfilter_deps "swresample"

  5973. enabled asyncts_filter      && prepend avfilter_deps "avresample"

  5974. enabled atempo_filter       && prepend avfilter_deps "avcodec"

  5975. enabled cover_rect_filter   && prepend avfilter_deps "avformat avcodec"

  5976. enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"

  5977. enabled elbg_filter         && prepend avfilter_deps "avcodec"

  5978. enabled fftfilt_filter      && prepend avfilter_deps "avcodec"

  5979. enabled find_rect_filter    && prepend avfilter_deps "avformat avcodec"

  5980. enabled mcdeint_filter      && prepend avfilter_deps "avcodec"

  5981. enabled movie_filter    && prepend avfilter_deps "avformat avcodec"

  5982. enabled pan_filter          && prepend avfilter_deps "swresample"

  5983. enabled pp_filter           && prepend avfilter_deps "postproc"

  5984. enabled removelogo_filter   && prepend avfilter_deps "avformat avcodec swscale"

  5985. enabled resample_filter && prepend avfilter_deps "avresample"

  5986. enabled sab_filter          && prepend avfilter_deps "swscale"

  5987. enabled scale_filter    && prepend avfilter_deps "swscale"

  5988. enabled scale2ref_filter    && prepend avfilter_deps "swscale"

  5989. enabled showspectrum_filter && prepend avfilter_deps "avcodec"

  5990. enabled smartblur_filter    && prepend avfilter_deps "swscale"

  5991. enabled subtitles_filter    && prepend avfilter_deps "avformat avcodec"

  5992. enabled uspp_filter         && prepend avfilter_deps "avcodec"

  5993. 

  5994. enabled lavfi_indev         && prepend avdevice_deps "avfilter"

  5995. 

  5996. enabled opus_decoder    && prepend avcodec_deps "swresample"

  5997. 

  5998. expand_deps(){

  5999.     lib_deps=${1}_deps

  6000.     eval "deps=\$$lib_deps"

  6001.     append $lib_deps $(map 'eval echo \$${v}_deps' $deps)

  6002.     unique $lib_deps

  6003. }

  6004. 

  6005. #we have to remove gpl from the deps here as some code assumes all lib deps are libs

  6006. postproc_deps="$(filter_out 'gpl' $postproc_deps)"

  6007. 

  6008. map 'expand_deps $v' $LIBRARY_LIST

  6009. 

  6010. echo "install prefix            $prefix"

  6011. echo "source path               $source_path"

  6012. echo "C compiler                $cc"

  6013. echo "C library                 $libc_type"

  6014. if test "$host_cc" != "$cc"; then

  6015.     echo "host C compiler           $host_cc"

  6016.     echo "host C library            $host_libc_type"

  6017. fi

  6018. echo "ARCH                      $arch ($cpu)"

  6019. if test "$build_suffix" != ""; then

  6020.     echo "build suffix              $build_suffix"

  6021. fi

  6022. if test "$progs_suffix" != ""; then

  6023.     echo "progs suffix              $progs_suffix"

  6024. fi

  6025. if test "$extra_version" != ""; then

  6026.     echo "version string suffix     $extra_version"

  6027. fi

  6028. echo "big-endian                ${bigendian-no}"

  6029. echo "runtime cpu detection     ${runtime_cpudetect-no}"

  6030. if enabled x86; then

  6031.     echo "${yasmexe}                      ${yasm-no}"

  6032.     echo "MMX enabled               ${mmx-no}"

  6033.     echo "MMXEXT enabled            ${mmxext-no}"

  6034.     echo "3DNow! enabled            ${amd3dnow-no}"

  6035.     echo "3DNow! extended enabled   ${amd3dnowext-no}"

  6036.     echo "SSE enabled               ${sse-no}"

  6037.     echo "SSSE3 enabled             ${ssse3-no}"

  6038.     echo "AESNI enabled             ${aesni-no}"

  6039.     echo "AVX enabled               ${avx-no}"

  6040.     echo "XOP enabled               ${xop-no}"

  6041.     echo "FMA3 enabled              ${fma3-no}"

  6042.     echo "FMA4 enabled              ${fma4-no}"

  6043.     echo "i686 features enabled     ${i686-no}"

  6044.     echo "CMOV is fast              ${fast_cmov-no}"

  6045.     echo "EBX available             ${ebx_available-no}"

  6046.     echo "EBP available             ${ebp_available-no}"

  6047. fi

  6048. if enabled aarch64; then

  6049.     echo "NEON enabled              ${neon-no}"

  6050.     echo "VFP enabled               ${vfp-no}"

  6051. fi

  6052. if enabled arm; then

  6053.     echo "ARMv5TE enabled           ${armv5te-no}"

  6054.     echo "ARMv6 enabled             ${armv6-no}"

  6055.     echo "ARMv6T2 enabled           ${armv6t2-no}"

  6056.     echo "VFP enabled               ${vfp-no}"

  6057.     echo "NEON enabled              ${neon-no}"

  6058.     echo "THUMB enabled             ${thumb-no}"

  6059. fi

  6060. if enabled mips; then

  6061.     echo "MIPS FPU enabled          ${mipsfpu-no}"

  6062.     echo "MIPS64R6 enabled          ${mips64r6-no}"

  6063.     echo "MIPS DSP R1 enabled       ${mipsdsp-no}"

  6064.     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"

  6065.     echo "MIPS MSA enabled          ${msa-no}"

  6066.     echo "LOONGSON MMI enabled      ${mmi-no}"

  6067. fi

  6068. if enabled ppc; then

  6069.     echo "AltiVec enabled           ${altivec-no}"

  6070.     echo "VSX enabled               ${vsx-no}"

  6071.     echo "POWER8 enabled            ${power8-no}"

  6072.     echo "PPC 4xx optimizations     ${ppc4xx-no}"

  6073.     echo "dcbzl available           ${dcbzl-no}"

  6074. fi

  6075. echo "debug symbols             ${debug-no}"

  6076. echo "strip symbols             ${stripping-no}"

  6077. echo "optimize for size         ${small-no}"

  6078. echo "optimizations             ${optimizations-no}"

  6079. echo "static                    ${static-no}"

  6080. echo "shared                    ${shared-no}"

  6081. echo "postprocessing support    ${postproc-no}"

  6082. echo "new filter support        ${avfilter-no}"

  6083. echo "network support           ${network-no}"

  6084. echo "threading support         ${thread_type-no}"

  6085. echo "safe bitstream reader     ${safe_bitstream_reader-no}"

  6086. echo "SDL support               ${sdl-no}"

  6087. echo "opencl enabled            ${opencl-no}"

  6088. echo "texi2html enabled         ${texi2html-no}"

  6089. echo "perl enabled              ${perl-no}"

  6090. echo "pod2man enabled           ${pod2man-no}"

  6091. echo "makeinfo enabled          ${makeinfo-no}"

  6092. echo "makeinfo supports HTML    ${makeinfo_html-no}"

  6093. test -n "$random_seed" &&

  6094.     echo "random seed               ${random_seed}"

  6095. echo

  6096. 

  6097. echo "Enabled programs:"

  6098. print_enabled '' $PROGRAM_LIST | print_in_columns

  6099. echo

  6100. 

  6101. echo "External libraries:"

  6102. print_enabled '' $EXTERNAL_LIBRARY_LIST | print_in_columns

  6103. echo

  6104. 

  6105. for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do

  6106.     echo "Enabled ${type}s:"

  6107.     eval list=\$$(toupper $type)_LIST

  6108.     print_enabled '_*' $list | print_in_columns

  6109.     echo

  6110. done

  6111. 

  6112. license="LGPL version 2.1 or later"

  6113. if enabled nonfree; then

  6114.     license="nonfree and unredistributable"

  6115. elif enabled gplv3; then

  6116.     license="GPL version 3 or later"

  6117. elif enabled lgplv3; then

  6118.     license="LGPL version 3 or later"

  6119. elif enabled gpl; then

  6120.     license="GPL version 2 or later"

  6121. fi

  6122. 

  6123. echo "License: $license"

  6124. 

  6125. echo "Creating config.mak, config.h, and doc/config.texi..."

  6126. 

  6127. test -e Makefile || echo "include $source_path/Makefile" > Makefile

  6128. 

  6129. enabled stripping || strip="echo skipping strip"

  6130. 

  6131. config_files="$TMPH config.mak doc/config.texi"

  6132. 

  6133. cat > config.mak <<EOF

  6134. # Automatically generated by configure - do not modify!

  6135. ifndef FFMPEG_CONFIG_MAK

  6136. FFMPEG_CONFIG_MAK=1

  6137. FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION

  6138. prefix=$prefix

  6139. LIBDIR=\$(DESTDIR)$libdir

  6140. SHLIBDIR=\$(DESTDIR)$shlibdir

  6141. INCDIR=\$(DESTDIR)$incdir

  6142. BINDIR=\$(DESTDIR)$bindir

  6143. DATADIR=\$(DESTDIR)$datadir

  6144. DOCDIR=\$(DESTDIR)$docdir

  6145. MANDIR=\$(DESTDIR)$mandir

  6146. PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir

  6147. SRC_PATH=$source_path

  6148. ifndef MAIN_MAKEFILE

  6149. SRC_PATH:=\$(SRC_PATH:.%=..%)

  6150. endif

  6151. CC_IDENT=$cc_ident

  6152. ARCH=$arch

  6153. INTRINSICS=$intrinsics

  6154. CC=$cc

  6155. CXX=$cxx

  6156. AS=$as

  6157. LD=$ld

  6158. DEPCC=$dep_cc

  6159. DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)

  6160. DEPAS=$as

  6161. DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)

  6162. YASM=$yasmexe

  6163. DEPYASM=$yasmexe

  6164. AR=$ar

  6165. ARFLAGS=$arflags

  6166. AR_O=$ar_o

  6167. RANLIB=$ranlib

  6168. STRIP=$strip

  6169. CP=cp -p

  6170. LN_S=$ln_s

  6171. CPPFLAGS=$CPPFLAGS

  6172. CFLAGS=$CFLAGS

  6173. CXXFLAGS=$CXXFLAGS

  6174. ASFLAGS=$ASFLAGS

  6175. AS_C=$AS_C

  6176. AS_O=$AS_O

  6177. CC_C=$CC_C

  6178. CC_E=$CC_E

  6179. CC_O=$CC_O

  6180. CXX_C=$CXX_C

  6181. CXX_O=$CXX_O

  6182. LD_O=$LD_O

  6183. LD_LIB=$LD_LIB

  6184. LD_PATH=$LD_PATH

  6185. DLLTOOL=$dlltool

  6186. WINDRES=$windres

  6187. DEPWINDRES=$dep_cc

  6188. DOXYGEN=$doxygen

  6189. LDFLAGS=$LDFLAGS

  6190. LDEXEFLAGS=$LDEXEFLAGS

  6191. LDLIBFLAGS=$LDLIBFLAGS

  6192. SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))

  6193. ASMSTRIPFLAGS=$ASMSTRIPFLAGS

  6194. YASMFLAGS=$YASMFLAGS

  6195. BUILDSUF=$build_suffix

  6196. PROGSSUF=$progs_suffix

  6197. FULLNAME=$FULLNAME

  6198. LIBPREF=$LIBPREF

  6199. LIBSUF=$LIBSUF

  6200. LIBNAME=$LIBNAME

  6201. SLIBPREF=$SLIBPREF

  6202. SLIBSUF=$SLIBSUF

  6203. EXESUF=$EXESUF

  6204. EXTRA_VERSION=$extra_version

  6205. CCDEP=$CCDEP

  6206. CXXDEP=$CXXDEP

  6207. CCDEP_FLAGS=$CCDEP_FLAGS

  6208. ASDEP=$ASDEP

  6209. ASDEP_FLAGS=$ASDEP_FLAGS

  6210. CC_DEPFLAGS=$CC_DEPFLAGS

  6211. AS_DEPFLAGS=$AS_DEPFLAGS

  6212. HOSTCC=$host_cc

  6213. HOSTLD=$host_ld

  6214. HOSTCFLAGS=$host_cflags

  6215. HOSTCPPFLAGS=$host_cppflags

  6216. HOSTEXESUF=$HOSTEXESUF

  6217. HOSTLDFLAGS=$host_ldflags

  6218. HOSTLIBS=$host_libs

  6219. DEPHOSTCC=$host_cc

  6220. DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)

  6221. HOSTCCDEP=$HOSTCCDEP

  6222. HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS

  6223. HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS

  6224. HOSTCC_C=$HOSTCC_C

  6225. HOSTCC_O=$HOSTCC_O

  6226. HOSTLD_O=$HOSTLD_O

  6227. TARGET_EXEC=$target_exec $target_exec_args

  6228. TARGET_PATH=$target_path

  6229. TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}

  6230. CFLAGS-ffplay=$sdl_cflags

  6231. ZLIB=$($ldflags_filter -lz)

  6232. LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD

  6233. EXTRALIBS=$extralibs

  6234. COMPAT_OBJS=$compat_objs

  6235. EXEOBJS=$exeobjs

  6236. INSTALL=$install

  6237. LIBTARGET=${LIBTARGET}

  6238. SLIBNAME=${SLIBNAME}

  6239. SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}

  6240. SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}

  6241. SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}

  6242. SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}

  6243. SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}

  6244. SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}

  6245. SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}

  6246. SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}

  6247. SAMPLES:=${samples:-\$(FATE_SAMPLES)}

  6248. NOREDZONE_FLAGS=$noredzone_flags

  6249. EOF

  6250. 

  6251. get_version(){

  6252.     lcname=lib${1}

  6253.     name=$(toupper $lcname)

  6254.     file=$source_path/$lcname/version.h

  6255.     eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")

  6256.     enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))

  6257.     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO

  6258.     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak

  6259.     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak

  6260.     eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak

  6261. }

  6262. 

  6263. map 'get_version $v' $LIBRARY_LIST

  6264. 

  6265. map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST

  6266. 

  6267. print_program_libs(){

  6268.     eval "program_libs=\$${1}_libs"

  6269.     eval echo "LIBS-${1}=${program_libs}" >> config.mak

  6270. }

  6271. 

  6272. map 'print_program_libs $v' $PROGRAM_LIST

  6273. 

  6274. cat > $TMPH <<EOF

  6275. /* Automatically generated by configure - do not modify! */

  6276. #ifndef FFMPEG_CONFIG_H

  6277. #define FFMPEG_CONFIG_H

  6278. #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"

  6279. #define FFMPEG_LICENSE "$(c_escape $license)"

  6280. #define CONFIG_THIS_YEAR 2015

  6281. #define FFMPEG_DATADIR "$(eval c_escape $datadir)"

  6282. #define AVCONV_DATADIR "$(eval c_escape $datadir)"

  6283. #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"

  6284. #define av_restrict $_restrict

  6285. #define EXTERN_PREFIX "${extern_prefix}"

  6286. #define EXTERN_ASM ${extern_prefix}

  6287. #define BUILDSUF "$build_suffix"

  6288. #define SLIBSUF "$SLIBSUF"

  6289. #define HAVE_MMX2 HAVE_MMXEXT

  6290. #define SWS_MAX_FILTER_SIZE $sws_max_filter_size

  6291. EOF

  6292. 

  6293. test -n "$assert_level" &&

  6294.     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH

  6295. 

  6296. test -n "$malloc_prefix" &&

  6297.     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH

  6298. 

  6299. if enabled yasm; then

  6300.     append config_files $TMPASM

  6301.     printf '' >$TMPASM

  6302. fi

  6303. 

  6304. enabled getenv || echo "#define getenv(x) NULL" >> $TMPH

  6305. 

  6306. 

  6307. mkdir -p doc

  6308. mkdir -p tests

  6309. mkdir -p tests/api

  6310. echo "@c auto-generated by configure - do not modify! " > doc/config.texi

  6311. 

  6312. print_config ARCH_   "$config_files" $ARCH_LIST

  6313. print_config HAVE_   "$config_files" $HAVE_LIST

  6314. print_config CONFIG_ "$config_files" $CONFIG_LIST       \

  6315.                                      $CONFIG_EXTRA      \

  6316.                                      $ALL_COMPONENTS    \

  6317. 

  6318. echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH

  6319. echo "endif # FFMPEG_CONFIG_MAK" >> config.mak

  6320. 

  6321. # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.

  6322. cp_if_changed $TMPH config.h

  6323. touch .config

  6324. 

  6325. enabled yasm && cp_if_changed $TMPASM config.asm

  6326. 

  6327. cat > $TMPH <<EOF

  6328. /* Generated by ffconf */

  6329. #ifndef AVUTIL_AVCONFIG_H

  6330. #define AVUTIL_AVCONFIG_H

  6331. EOF

  6332. 

  6333. print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB

  6334. 

  6335. echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH

  6336. 

  6337. cp_if_changed $TMPH libavutil/avconfig.h

  6338. 

  6339. if test -n "$WARNINGS"; then

  6340.     printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"

  6341.     enabled fatal_warnings && exit 1

  6342. fi

  6343. 

  6344. # build pkg-config files

  6345. 

  6346. lib_version(){

  6347.     eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""

  6348. }

  6349. 

  6350. pkgconfig_generate(){

  6351.     name=$1

  6352.     shortname=${name#lib}${build_suffix}

  6353.     comment=$2

  6354.     version=$3

  6355.     libs=$4

  6356.     requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))

  6357.     requires=${requires%, }

  6358.     enabled ${name#lib} || return 0

  6359.     mkdir -p $name

  6360.     cat <<EOF > $name/$name${build_suffix}.pc

  6361. prefix=$prefix

  6362. exec_prefix=\${prefix}

  6363. libdir=$libdir

  6364. includedir=$incdir

  6365. 

  6366. Name: $name

  6367. Description: $comment

  6368. Version: $version

  6369. Requires: $(enabled shared || echo $requires)

  6370. Requires.private: $(enabled shared && echo $requires)

  6371. Conflicts:

  6372. Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)

  6373. Libs.private: $(enabled shared && echo $libs)

  6374. Cflags: -I\${includedir}

  6375. EOF

  6376. 

  6377. mkdir -p doc/examples/pc-uninstalled

  6378. includedir=${source_path}

  6379. [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."

  6380.     cat <<EOF > doc/examples/pc-uninstalled/$name.pc

  6381. prefix=

  6382. exec_prefix=

  6383. libdir=\${pcfiledir}/../../../$name

  6384. includedir=${includedir}

  6385. 

  6386. Name: $name

  6387. Description: $comment

  6388. Version: $version

  6389. Requires: $requires

  6390. Conflicts:

  6391. Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)

  6392. Cflags: -I\${includedir}

  6393. EOF

  6394. }

  6395. 

  6396. pkgconfig_generate libavutil     "FFmpeg utility library"               "$LIBAVUTIL_VERSION"     "$LIBRT $LIBM"

  6397. pkgconfig_generate libavcodec    "FFmpeg codec library"                 "$LIBAVCODEC_VERSION"    "$extralibs"

  6398. pkgconfig_generate libavformat   "FFmpeg container format library"      "$LIBAVFORMAT_VERSION"   "$extralibs"

  6399. pkgconfig_generate libavdevice   "FFmpeg device handling library"       "$LIBAVDEVICE_VERSION"   "$extralibs"

  6400. pkgconfig_generate libavfilter   "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION"   "$extralibs"

  6401. pkgconfig_generate libpostproc   "FFmpeg postprocessing library"        "$LIBPOSTPROC_VERSION"   ""

  6402. pkgconfig_generate libavresample "Libav audio resampling library"       "$LIBAVRESAMPLE_VERSION" "$LIBM"

  6403. pkgconfig_generate libswscale    "FFmpeg image rescaling library"       "$LIBSWSCALE_VERSION"    "$LIBM"

  6404. pkgconfig_generate libswresample "FFmpeg audio resampling library"      "$LIBSWRESAMPLE_VERSION" "$LIBM $LIBSOXR"