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FFmpeg
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FFmpeg/configure

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  1. #!/bin/sh

  2. #

  3. # FFmpeg configure script

  4. #

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

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

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

  8. #

  9. 

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

  11. LC_ALL=C

  12. export LC_ALL

  13. 

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

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

  16. 

  17. try_exec(){

  18.     echo "Trying shell $1"

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

  20. }

  21. 

  22. unset foo

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

  24. E1="$?"

  25. 

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

  27. E2="$?"

  28. 

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

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

  31.     export FF_CONF_EXEC

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

  33.         FF_CONF_EXEC=1

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

  35.     fi

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

  37.         FF_CONF_EXEC=2

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

  39.     fi

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

  41.         FF_CONF_EXEC=3

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

  43.     fi

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

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

  46.     echo "such as bash or ksh."

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

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

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

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

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

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

  53.     fi

  54.     exit 1

  55. fi

  56. 

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

  58. 

  59. show_help(){

  60.     cat <<EOF

  61. Usage: configure [options]

  62. Options: [defaults in brackets after descriptions]

  63. 

  64. Help options:

  65.   --help                   print this message

  66.   --list-decoders          show all available decoders

  67.   --list-encoders          show all available encoders

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

  69.   --list-demuxers          show all available demuxers

  70.   --list-muxers            show all available muxers

  71.   --list-parsers           show all available parsers

  72.   --list-protocols         show all available protocols

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

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

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

  76.   --list-filters           show all available filters

  77. 

  78. Standard options:

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

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

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

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

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

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

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

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

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

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

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

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

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

  92.                            not part of the dynamic linker search path

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

  94. 

  95. Licensing options:

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

  97.                            and binaries will be under GPL [no]

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

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

  100.                            and binaries will be unredistributable [no]

  101. 

  102. Configuration options:

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

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

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

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

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

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

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

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

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

  112. 

  113. Program options:

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

  115.   --disable-ffmpeg         disable ffmpeg build

  116.   --disable-ffplay         disable ffplay build

  117.   --disable-ffprobe        disable ffprobe build

  118.   --disable-ffserver       disable ffserver build

  119. 

  120. Documentation options:

  121.   --disable-doc            do not build documentation

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

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

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

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

  126. 

  127. Component options:

  128.   --disable-avdevice       disable libavdevice build

  129.   --disable-avcodec        disable libavcodec build

  130.   --disable-avformat       disable libavformat build

  131.   --disable-swresample     disable libswresample build

  132.   --disable-swscale        disable libswscale build

  133.   --disable-postproc       disable libpostproc build

  134.   --disable-avfilter       disable libavfilter build

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

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

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

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

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

  140.   --disable-dct            disable DCT code

  141.   --disable-dwt            disable DWT code

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

  143.   --disable-lsp            disable LSP code

  144.   --disable-lzo            disable LZO decoder code

  145.   --disable-mdct           disable MDCT code

  146.   --disable-rdft           disable RDFT code

  147.   --disable-fft            disable FFT code

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

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

  150. 

  151. Hardware accelerators:

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

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

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

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

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

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

  158. 

  159. Individual component options:

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

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

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

  163.   --disable-encoders       disable all encoders

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

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

  166.   --disable-decoders       disable all decoders

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

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

  169.   --disable-hwaccels       disable all hwaccels

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

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

  172.   --disable-muxers         disable all muxers

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

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

  175.   --disable-demuxers       disable all demuxers

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

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

  178.   --disable-parsers        disable all parsers

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

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

  181.   --disable-bsfs           disable all bitstream filters

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

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

  184.   --disable-protocols      disable all protocols

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

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

  187.   --disable-indevs         disable input devices

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

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

  190.   --disable-outdevs        disable output devices

  191.   --disable-devices        disable all devices

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

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

  194.   --disable-filters        disable all filters

  195. 

  196. External library support:

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

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

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

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

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

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

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

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

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

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

  207.                            if openssl is not used [no]

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

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

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

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

  212.                            needed for subtitles and ass filter [no]

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

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

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

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

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

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

  219.                            and libraw1394 [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  235.                            native (de)muxer exists [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  263.                            native implementation exists [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  284.   --enable-opencl          enable OpenCL code

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

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

  287.                            if gnutls is not used [no]

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

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

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

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

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

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

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

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

  296. 

  297. Toolchain options:

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

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

  300.                            instruction selection, may crash on older CPUs)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  345. 

  346. Advanced options (experts only):

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

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

  349.   --disable-symver         disable symbol versioning

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

  351.   --disable-safe-bitstream-reader

  352.                            disable buffer boundary checking in bitreaders

  353.                            (faster, but may crash)

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

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

  356. 

  357. Optimization options (experts only):

  358.   --disable-asm            disable all assembly optimizations

  359.   --disable-altivec        disable AltiVec optimizations

  360.   --disable-vsx            disable VSX optimizations

  361.   --disable-power8         disable POWER8 optimizations

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

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

  364.   --disable-mmx            disable MMX optimizations

  365.   --disable-mmxext         disable MMXEXT optimizations

  366.   --disable-sse            disable SSE optimizations

  367.   --disable-sse2           disable SSE2 optimizations

  368.   --disable-sse3           disable SSE3 optimizations

  369.   --disable-ssse3          disable SSSE3 optimizations

  370.   --disable-sse4           disable SSE4 optimizations

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

  372.   --disable-avx            disable AVX optimizations

  373.   --disable-xop            disable XOP optimizations

  374.   --disable-fma3           disable FMA3 optimizations

  375.   --disable-fma4           disable FMA4 optimizations

  376.   --disable-avx2           disable AVX2 optimizations

  377.   --disable-aesni          disable AESNI optimizations

  378.   --disable-armv5te        disable armv5te optimizations

  379.   --disable-armv6          disable armv6 optimizations

  380.   --disable-armv6t2        disable armv6t2 optimizations

  381.   --disable-vfp            disable VFP optimizations

  382.   --disable-neon           disable NEON optimizations

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

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

  385.   --disable-mips32r5       disable MIPS32R5 optimizations

  386.   --disable-mips64r6       disable MIPS64R6 optimizations

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

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

  389.   --disable-msa            disable MSA optimizations

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

  391.   --disable-mmi            disable Loongson SIMD optimizations

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

  393. 

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

  395.   --disable-debug          disable debugging symbols

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

  397.   --disable-optimizations  disable compiler optimizations

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

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

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

  401.                            2 causes a slowdown at runtime.

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

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

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

  405.                            Cannot be combined with --target-exec

  406.   --enable-ftrapv          Trap arithmetic overflows

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

  408.                            \$FATE_SAMPLES at make invocation time.

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

  410.                            used only for debugging purposes)

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

  412.                            should be used only for debugging purposes)

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

  414.   --disable-random

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

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

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

  418.                            (group) and PROB the probability associated with

  419.                            NAME (default 0.5).

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

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

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

  423. 

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

  425. EOF

  426.   exit 0

  427. }

  428. 

  429. quotes='""'

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

  431.     ncolors=$(tput colors)

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

  433.         bold_color=$(tput bold)

  434.         warn_color=$(tput setaf 3)

  435.         error_color=$(tput setaf 1)

  436.         reset_color=$(tput sgr0)

  437.     fi

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

  439.     ncols=$(tput cols)

  440. fi

  441. : ${ncols:=72}

  442. 

  443. log(){

  444.     echo "$@" >> $logfile

  445. }

  446. 

  447. log_file(){

  448.     log BEGIN $1

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

  450.     log END $1

  451. }

  452. 

  453. warn(){

  454.     log "WARNING: $*"

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

  456. }

  457. 

  458. die(){

  459.     log "$@"

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

  461.     cat <<EOF

  462. 

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

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

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

  466. EOF

  467.     if disabled logging; then

  468.         cat <<EOF

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

  470. include the log this produces with your report.

  471. EOF

  472.     else

  473.         cat <<EOF

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

  475. solve the problem.

  476. EOF

  477.     fi

  478.     exit 1

  479. }

  480. 

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

  482. toupper(){

  483.     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ

  484. }

  485. 

  486. tolower(){

  487.     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz

  488. }

  489. 

  490. c_escape(){

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

  492. }

  493. 

  494. sh_quote(){

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

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

  497.     echo "$v"

  498. }

  499. 

  500. cleanws(){

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

  502. }

  503. 

  504. filter(){

  505.     pat=$1

  506.     shift

  507.     for v; do

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

  509.     done

  510. }

  511. 

  512. filter_out(){

  513.     pat=$1

  514.     shift

  515.     for v; do

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

  517.     done

  518. }

  519. 

  520. map(){

  521.     m=$1

  522.     shift

  523.     for v; do eval $m; done

  524. }

  525. 

  526. add_suffix(){

  527.     suffix=$1

  528.     shift

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

  530. }

  531. 

  532. set_all(){

  533.     value=$1

  534.     shift

  535.     for var in $*; do

  536.         eval $var=$value

  537.     done

  538. }

  539. 

  540. set_weak(){

  541.     value=$1

  542.     shift

  543.     for var; do

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

  545.     done

  546. }

  547. 

  548. sanitize_var_name(){

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

  550. }

  551. 

  552. set_safe(){

  553.     var=$1

  554.     shift

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

  556. }

  557. 

  558. get_safe(){

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

  560. }

  561. 

  562. pushvar(){

  563.     for pvar in $*; do

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

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

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

  567.     done

  568. }

  569. 

  570. popvar(){

  571.     for pvar in $*; do

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

  573.         test $level = 0 && continue

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

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

  576.         eval ${pvar}_level=$level

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

  578.     done

  579. }

  580. 

  581. enable(){

  582.     set_all yes $*

  583. }

  584. 

  585. disable(){

  586.     set_all no $*

  587. }

  588. 

  589. enable_weak(){

  590.     set_weak yes $*

  591. }

  592. 

  593. disable_weak(){

  594.     set_weak no $*

  595. }

  596. 

  597. enable_safe(){

  598.     for var; do

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

  600.     done

  601. }

  602. 

  603. disable_safe(){

  604.     for var; do

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

  606.     done

  607. }

  608. 

  609. do_enable_deep(){

  610.     for var; do

  611.         enabled $var && continue

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

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

  614.         pushvar var sgs

  615.         enable_deep $sel

  616.         popvar sgs

  617.         enable_deep_weak $sgs

  618.         popvar var

  619.     done

  620. }

  621. 

  622. enable_deep(){

  623.     do_enable_deep $*

  624.     enable $*

  625. }

  626. 

  627. enable_deep_weak(){

  628.     for var; do

  629.         disabled $var && continue

  630.         pushvar var

  631.         do_enable_deep $var

  632.         popvar var

  633.         enable_weak $var

  634.     done

  635. }

  636. 

  637. enabled(){

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

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

  640. }

  641. 

  642. disabled(){

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

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

  645. }

  646. 

  647. enabled_all(){

  648.     for opt; do

  649.         enabled $opt || return 1

  650.     done

  651. }

  652. 

  653. disabled_all(){

  654.     for opt; do

  655.         disabled $opt || return 1

  656.     done

  657. }

  658. 

  659. enabled_any(){

  660.     for opt; do

  661.         enabled $opt && return 0

  662.     done

  663. }

  664. 

  665. disabled_any(){

  666.     for opt; do

  667.         disabled $opt && return 0

  668.     done

  669.     return 1

  670. }

  671. 

  672. set_default(){

  673.     for opt; do

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

  675.     done

  676. }

  677. 

  678. is_in(){

  679.     value=$1

  680.     shift

  681.     for var in $*; do

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

  683.     done

  684.     return 1

  685. }

  686. 

  687. do_check_deps(){

  688.     for cfg; do

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

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

  691.         disabled ${cfg}_checking && continue

  692.         enable ${cfg}_checking

  693.         append allopts $cfg

  694. 

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

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

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

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

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

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

  701. 

  702.         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

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

  704.         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

  705. 

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

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

  708.         enabled_all  $dep_all || disable $cfg

  709.         enabled_any  $dep_any || disable $cfg

  710.         disabled_any $dep_sel && disable $cfg

  711. 

  712.         if enabled $cfg; then

  713.             enable_deep $dep_sel

  714.             enable_deep_weak $dep_sgs

  715.         fi

  716. 

  717.         disable ${cfg}_checking

  718.     done

  719. }

  720. 

  721. check_deps(){

  722.     unset allopts

  723. 

  724.     do_check_deps "$@"

  725. 

  726.     for cfg in $allopts; do

  727.         enabled $cfg || continue

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

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

  730.     done

  731. }

  732. 

  733. print_config(){

  734.     pfx=$1

  735.     files=$2

  736.     shift 2

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

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

  739.         {

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

  741.             v = \$2;

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

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

  744.             for (f in files) {

  745.                 file = files[f];

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

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

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

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

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

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

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

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

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

  755.                     yesno = \$2;

  756.                     c2 = tolower(c);

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

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

  759.                 }

  760.             }

  761.         }"

  762. }

  763. 

  764. print_enabled(){

  765.     suf=$1

  766.     shift

  767.     for v; do

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

  769.     done

  770. }

  771. 

  772. append(){

  773.     var=$1

  774.     shift

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

  776. }

  777. 

  778. prepend(){

  779.     var=$1

  780.     shift

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

  782. }

  783. 

  784. unique(){

  785.     var=$1

  786.     uniq_list=""

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

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

  789.     done

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

  791. }

  792. 

  793. add_cppflags(){

  794.     append CPPFLAGS "$@"

  795. }

  796. 

  797. add_cflags(){

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

  799. }

  800. 

  801. add_cxxflags(){

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

  803. }

  804. 

  805. add_asflags(){

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

  807. }

  808. 

  809. add_ldflags(){

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

  811. }

  812. 

  813. add_ldexeflags(){

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

  815. }

  816. 

  817. add_ldlibflags(){

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

  819. }

  820. 

  821. add_stripflags(){

  822.     append ASMSTRIPFLAGS "$@"

  823. }

  824. 

  825. add_extralibs(){

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

  827. }

  828. 

  829. add_host_cppflags(){

  830.     append host_cppflags "$@"

  831. }

  832. 

  833. add_host_cflags(){

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

  835. }

  836. 

  837. add_host_ldflags(){

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

  839. }

  840. 

  841. add_compat(){

  842.     append compat_objs $1

  843.     shift

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

  845. }

  846. 

  847. check_cmd(){

  848.     log "$@"

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

  850. }

  851. 

  852. check_stat(){

  853.     log check_stat "$@"

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

  855. }

  856. 

  857. cc_o(){

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

  859. }

  860. 

  861. cc_e(){

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

  863. }

  864. 

  865. check_cc(){

  866.     log check_cc "$@"

  867.     cat > $TMPC

  868.     log_file $TMPC

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

  870. }

  871. 

  872. check_cxx(){

  873.     log check_cxx "$@"

  874.     cat > $TMPCPP

  875.     log_file $TMPCPP

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

  877. }

  878. 

  879. check_oc(){

  880.     log check_oc "$@"

  881.     cat > $TMPM

  882.     log_file $TMPM

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

  884. }

  885. 

  886. check_cpp(){

  887.     log check_cpp "$@"

  888.     cat > $TMPC

  889.     log_file $TMPC

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

  891. }

  892. 

  893. as_o(){

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

  895. }

  896. 

  897. check_as(){

  898.     log check_as "$@"

  899.     cat > $TMPS

  900.     log_file $TMPS

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

  902. }

  903. 

  904. check_inline_asm(){

  905.     log check_inline_asm "$@"

  906.     name="$1"

  907.     code="$2"

  908.     shift 2

  909.     disable $name

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

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

  912. EOF

  913. }

  914. 

  915. check_insn(){

  916.     log check_insn "$@"

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

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

  919. }

  920. 

  921. check_yasm(){

  922.     log check_yasm "$@"

  923.     echo "$1" > $TMPS

  924.     log_file $TMPS

  925.     shift 1

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

  927. }

  928. 

  929. ld_o(){

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

  931. }

  932. 

  933. check_ld(){

  934.     log check_ld "$@"

  935.     type=$1

  936.     shift 1

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

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

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

  940.     flags=$($ldflags_filter $flags)

  941.     libs=$($ldflags_filter $libs)

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

  943. }

  944. 

  945. print_include(){

  946.     hdr=$1

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

  948.         echo "#include $hdr"    ||

  949.         echo "#include <$hdr>"

  950. }

  951. 

  952. check_code(){

  953.     log check_code "$@"

  954.     check=$1

  955.     headers=$2

  956.     code=$3

  957.     shift 3

  958.     {

  959.         for hdr in $headers; do

  960.             print_include $hdr

  961.         done

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

  963.     } | check_$check "$@"

  964. }

  965. 

  966. check_cppflags(){

  967.     log check_cppflags "$@"

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

  969. int x;

  970. EOF

  971. }

  972. 

  973. test_cflags(){

  974.     log test_cflags "$@"

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

  976.     check_cc "$@" <<EOF

  977. int x;

  978. EOF

  979. }

  980. 

  981. check_cflags(){

  982.     log check_cflags "$@"

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

  984. }

  985. 

  986. check_cxxflags(){

  987.     log check_cxxflags "$@"

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

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

  990. int x;

  991. EOF

  992. }

  993. 

  994. test_ldflags(){

  995.     log test_ldflags "$@"

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

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

  998. EOF

  999. }

  1000. 

  1001. check_ldflags(){

  1002.     log check_ldflags "$@"

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

  1004. }

  1005. 

  1006. test_stripflags(){

  1007.     log test_stripflags "$@"

  1008.     # call check_cc to get a fresh TMPO

  1009.     check_cc <<EOF

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

  1011. EOF

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

  1013. }

  1014. 

  1015. check_stripflags(){

  1016.     log check_stripflags "$@"

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

  1018. }

  1019. 

  1020. check_header(){

  1021.     log check_header "$@"

  1022.     header=$1

  1023.     shift

  1024.     disable_safe $header

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

  1026. #include <$header>

  1027. int x;

  1028. EOF

  1029. }

  1030. 

  1031. check_header_oc(){

  1032.     log check_header_oc "$@"

  1033.     rm -f -- "$TMPO"

  1034.     header=$1

  1035.     shift

  1036.     disable_safe $header

  1037.     {

  1038.        echo "#include <$header>"

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

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

  1041. }

  1042. 

  1043. check_func(){

  1044.     log check_func "$@"

  1045.     func=$1

  1046.     shift

  1047.     disable $func

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

  1049. extern int $func();

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

  1051. EOF

  1052. }

  1053. 

  1054. check_mathfunc(){

  1055.     log check_mathfunc "$@"

  1056.     func=$1

  1057.     narg=$2

  1058.     shift 2

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

  1060.     disable $func

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

  1062. #include <math.h>

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

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

  1065. EOF

  1066. }

  1067. 

  1068. check_func_headers(){

  1069.     log check_func_headers "$@"

  1070.     headers=$1

  1071.     funcs=$2

  1072.     shift 2

  1073.     {

  1074.         for hdr in $headers; do

  1075.             print_include $hdr

  1076.         done

  1077.         for func in $funcs; do

  1078.             echo "long check_$func(void) { return (long) $func; }"

  1079.         done

  1080.         echo "int main(void) { return 0; }"

  1081.     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers

  1082. }

  1083. 

  1084. check_class_headers_cpp(){

  1085.     log check_class_headers_cpp "$@"

  1086.     headers=$1

  1087.     classes=$2

  1088.     shift 2

  1089.     {

  1090.         for hdr in $headers; do

  1091.             echo "#include <$hdr>"

  1092.         done

  1093.         echo "int main(void) { "

  1094.         i=1

  1095.         for class in $classes; do

  1096.             echo "$class obj$i;"

  1097.             i=$(expr $i + 1)

  1098.         done

  1099.         echo "return 0; }"

  1100.     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers

  1101. }

  1102. 

  1103. check_cpp_condition(){

  1104.     log check_cpp_condition "$@"

  1105.     header=$1

  1106.     condition=$2

  1107.     shift 2

  1108.     check_cpp "$@" <<EOF

  1109. #include <$header>

  1110. #if !($condition)

  1111. #error "unsatisfied condition: $condition"

  1112. #endif

  1113. EOF

  1114. }

  1115. 

  1116. check_lib(){

  1117.     log check_lib "$@"

  1118.     header="$1"

  1119.     func="$2"

  1120.     shift 2

  1121.     check_header $header && check_func $func "$@" && add_extralibs "$@"

  1122. }

  1123. 

  1124. check_lib2(){

  1125.     log check_lib2 "$@"

  1126.     headers="$1"

  1127.     funcs="$2"

  1128.     shift 2

  1129.     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"

  1130. }

  1131. 

  1132. check_lib_cpp(){

  1133.     log check_lib_cpp "$@"

  1134.     headers="$1"

  1135.     classes="$2"

  1136.     shift 2

  1137.     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"

  1138. }

  1139. 

  1140. check_pkg_config(){

  1141.     log check_pkg_config "$@"

  1142.     pkgandversion="$1"

  1143.     pkg="${1%% *}"

  1144.     headers="$2"

  1145.     funcs="$3"

  1146.     shift 3

  1147.     check_cmd $pkg_config --exists --print-errors $pkgandversion || return

  1148.     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)

  1149.     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)

  1150.     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&

  1151.         set_safe "${pkg}_cflags" $pkg_cflags   &&

  1152.         set_safe "${pkg}_libs"   $pkg_libs

  1153. }

  1154. 

  1155. check_exec(){

  1156.     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }

  1157. }

  1158. 

  1159. check_exec_crash(){

  1160.     code=$(cat)

  1161. 

  1162.     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)

  1163.     # are safe but may not be available everywhere.  Thus we use

  1164.     # raise(SIGTERM) instead.  The check is run in a subshell so we

  1165.     # can redirect the "Terminated" message from the shell.  SIGBUS

  1166.     # is not defined by standard C so it is used conditionally.

  1167. 

  1168.     (check_exec "$@") >> $logfile 2>&1 <<EOF

  1169. #include <signal.h>

  1170. static void sighandler(int sig){

  1171.     raise(SIGTERM);

  1172. }

  1173. int foo(void){

  1174.     $code

  1175. }

  1176. int (*func_ptr)(void) = foo;

  1177. int main(void){

  1178.     signal(SIGILL, sighandler);

  1179.     signal(SIGFPE, sighandler);

  1180.     signal(SIGSEGV, sighandler);

  1181. #ifdef SIGBUS

  1182.     signal(SIGBUS, sighandler);

  1183. #endif

  1184.     return func_ptr();

  1185. }

  1186. EOF

  1187. }

  1188. 

  1189. check_type(){

  1190.     log check_type "$@"

  1191.     headers=$1

  1192.     type=$2

  1193.     shift 2

  1194.     disable_safe "$type"

  1195.     check_code cc "$headers" "$type v" "$@" && enable_safe "$type"

  1196. }

  1197. 

  1198. check_struct(){

  1199.     log check_struct "$@"

  1200.     headers=$1

  1201.     struct=$2

  1202.     member=$3

  1203.     shift 3

  1204.     disable_safe "${struct}_${member}"

  1205.     check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&

  1206.         enable_safe "${struct}_${member}"

  1207. }

  1208. 

  1209. check_builtin(){

  1210.     log check_builtin "$@"

  1211.     name=$1

  1212.     headers=$2

  1213.     builtin=$3

  1214.     shift 3

  1215.     disable "$name"

  1216.     check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"

  1217. }

  1218. 

  1219. check_compile_assert(){

  1220.     log check_compile_assert "$@"

  1221.     name=$1

  1222.     headers=$2

  1223.     condition=$3

  1224.     shift 3

  1225.     disable "$name"

  1226.     check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"

  1227. }

  1228. 

  1229. require(){

  1230.     name="$1"

  1231.     header="$2"

  1232.     func="$3"

  1233.     shift 3

  1234.     check_lib $header $func "$@" || die "ERROR: $name not found"

  1235. }

  1236. 

  1237. require2(){

  1238.     name="$1"

  1239.     headers="$2"

  1240.     func="$3"

  1241.     shift 3

  1242.     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"

  1243. }

  1244. 

  1245. require_cpp(){

  1246.     name="$1"

  1247.     headers="$2"

  1248.     classes="$3"

  1249.     shift 3

  1250.     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"

  1251. }

  1252. 

  1253. use_pkg_config(){

  1254.     pkg="$1"

  1255.     check_pkg_config "$@" || return 1

  1256.     add_cflags    $(get_safe "${pkg}_cflags")

  1257.     add_extralibs $(get_safe "${pkg}_libs")

  1258. }

  1259. 

  1260. require_pkg_config(){

  1261.     use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"

  1262. }

  1263. 

  1264. require_libfreetype(){

  1265.     log require_libfreetype "$@"

  1266.     pkg="freetype2"

  1267.     check_cmd $pkg_config --exists --print-errors $pkg \

  1268.       || die "ERROR: $pkg not found"

  1269.     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)

  1270.     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)

  1271.     {

  1272.         echo "#include <ft2build.h>"

  1273.         echo "#include FT_FREETYPE_H"

  1274.         echo "long check_func(void) { return (long) FT_Init_FreeType; }"

  1275.         echo "int main(void) { return 0; }"

  1276.     } | check_ld "cc" $pkg_cflags $pkg_libs \

  1277.       && set_safe "${pkg}_cflags" $pkg_cflags \

  1278.       && set_safe "${pkg}_libs"   $pkg_libs \

  1279.       || die "ERROR: $pkg not found"

  1280.     add_cflags    $(get_safe "${pkg}_cflags")

  1281.     add_extralibs $(get_safe "${pkg}_libs")

  1282. }

  1283. 

  1284. hostcc_e(){

  1285.     eval printf '%s\\n' $HOSTCC_E

  1286. }

  1287. 

  1288. hostcc_o(){

  1289.     eval printf '%s\\n' $HOSTCC_O

  1290. }

  1291. 

  1292. check_host_cc(){

  1293.     log check_host_cc "$@"

  1294.     cat > $TMPC

  1295.     log_file $TMPC

  1296.     check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC

  1297. }

  1298. 

  1299. check_host_cpp(){

  1300.     log check_host_cpp "$@"

  1301.     cat > $TMPC

  1302.     log_file $TMPC

  1303.     check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC

  1304. }

  1305. 

  1306. check_host_cppflags(){

  1307.     log check_host_cppflags "$@"

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

  1309. int x;

  1310. EOF

  1311. }

  1312. 

  1313. check_host_cflags(){

  1314.     log check_host_cflags "$@"

  1315.     set -- $($host_cflags_filter "$@")

  1316.     check_host_cc "$@" <<EOF && append host_cflags "$@"

  1317. int x;

  1318. EOF

  1319. }

  1320. 

  1321. check_host_cpp_condition(){

  1322.     log check_host_cpp_condition "$@"

  1323.     header=$1

  1324.     condition=$2

  1325.     shift 2

  1326.     check_host_cpp "$@" <<EOF

  1327. #include <$header>

  1328. #if !($condition)

  1329. #error "unsatisfied condition: $condition"

  1330. #endif

  1331. EOF

  1332. }

  1333. 

  1334. cp_if_changed(){

  1335.     cmp -s "$1" "$2" && echo "$2 is unchanged" && return

  1336.     mkdir -p "$(dirname $2)"

  1337.     $cp_f "$1" "$2"

  1338. }

  1339. 

  1340. # CONFIG_LIST contains configurable options, while HAVE_LIST is for

  1341. # system-dependent things.

  1342. 

  1343. AVCODEC_COMPONENTS="

  1344.     bsfs

  1345.     decoders

  1346.     encoders

  1347.     hwaccels

  1348.     parsers

  1349. "

  1350. 

  1351. AVDEVICE_COMPONENTS="

  1352.     indevs

  1353.     outdevs

  1354. "

  1355. AVFILTER_COMPONENTS="

  1356.     filters

  1357. "

  1358. AVFORMAT_COMPONENTS="

  1359.     demuxers

  1360.     muxers

  1361.     protocols

  1362. "

  1363. 

  1364. AVRESAMPLE_COMPONENTS=""

  1365. AVUTIL_COMPONENTS=""

  1366. 

  1367. COMPONENT_LIST="

  1368.     $AVCODEC_COMPONENTS

  1369.     $AVDEVICE_COMPONENTS

  1370.     $AVFILTER_COMPONENTS

  1371.     $AVFORMAT_COMPONENTS

  1372.     $AVRESAMPLE_COMPONENTS

  1373.     $AVUTIL_COMPONENTS

  1374. "

  1375. 

  1376. EXAMPLE_LIST="

  1377.     avio_reading_example

  1378.     avio_dir_cmd_example

  1379.     decoding_encoding_example

  1380.     demuxing_decoding_example

  1381.     extract_mvs_example

  1382.     filter_audio_example

  1383.     filtering_audio_example

  1384.     filtering_video_example

  1385.     metadata_example

  1386.     muxing_example

  1387.     qsvdec_example

  1388.     remuxing_example

  1389.     resampling_audio_example

  1390.     scaling_video_example

  1391.     transcode_aac_example

  1392.     transcoding_example

  1393. "

  1394. 

  1395. EXTERNAL_LIBRARY_LIST="

  1396.     avisynth

  1397.     bzlib

  1398.     chromaprint

  1399.     crystalhd

  1400.     decklink

  1401.     frei0r

  1402.     gcrypt

  1403.     gmp

  1404.     gnutls

  1405.     iconv

  1406.     ladspa

  1407.     libaacplus

  1408.     libass

  1409.     libbluray

  1410.     libbs2b

  1411.     libcaca

  1412.     libcdio

  1413.     libcelt

  1414.     libdc1394

  1415.     libdcadec

  1416.     libfaac

  1417.     libfdk_aac

  1418.     libflite

  1419.     libfontconfig

  1420.     libfreetype

  1421.     libfribidi

  1422.     libgme

  1423.     libgsm

  1424.     libiec61883

  1425.     libilbc

  1426.     libkvazaar

  1427.     libmfx

  1428.     libmodplug

  1429.     libmp3lame

  1430.     libnut

  1431.     libopencore_amrnb

  1432.     libopencore_amrwb

  1433.     libopencv

  1434.     libopenh264

  1435.     libopenjpeg

  1436.     libopus

  1437.     libpulse

  1438.     libquvi

  1439.     librtmp

  1440.     librubberband

  1441.     libschroedinger

  1442.     libshine

  1443.     libsmbclient

  1444.     libsnappy

  1445.     libsoxr

  1446.     libspeex

  1447.     libssh

  1448.     libstagefright_h264

  1449.     libtesseract

  1450.     libtheora

  1451.     libtwolame

  1452.     libutvideo

  1453.     libv4l2

  1454.     libvidstab

  1455.     libvo_aacenc

  1456.     libvo_amrwbenc

  1457.     libvorbis

  1458.     libvpx

  1459.     libwavpack

  1460.     libwebp

  1461.     libx264

  1462.     libx265

  1463.     libxavs

  1464.     libxcb

  1465.     libxcb_shm

  1466.     libxcb_shape

  1467.     libxcb_xfixes

  1468.     libxvid

  1469.     libzimg

  1470.     libzmq

  1471.     libzvbi

  1472.     lzma

  1473.     mmal

  1474.     nvenc

  1475.     openal

  1476.     opencl

  1477.     opengl

  1478.     openssl

  1479.     schannel

  1480.     sdl

  1481.     securetransport

  1482.     x11grab

  1483.     xlib

  1484.     zlib

  1485. "

  1486. 

  1487. DOCUMENT_LIST="

  1488.     doc

  1489.     htmlpages

  1490.     manpages

  1491.     podpages

  1492.     txtpages

  1493. "

  1494. 

  1495. FEATURE_LIST="

  1496.     ftrapv

  1497.     gray

  1498.     hardcoded_tables

  1499.     runtime_cpudetect

  1500.     safe_bitstream_reader

  1501.     shared

  1502.     small

  1503.     static

  1504.     swscale_alpha

  1505. "

  1506. 

  1507. HWACCEL_LIST="

  1508.     d3d11va

  1509.     dxva2

  1510.     vaapi

  1511.     vda

  1512.     vdpau

  1513.     videotoolbox

  1514.     xvmc

  1515. "

  1516. 

  1517. LIBRARY_LIST="

  1518.     avcodec

  1519.     avdevice

  1520.     avfilter

  1521.     avformat

  1522.     avresample

  1523.     avutil

  1524.     postproc

  1525.     swresample

  1526.     swscale

  1527. "

  1528. 

  1529. LICENSE_LIST="

  1530.     gpl

  1531.     nonfree

  1532.     version3

  1533. "

  1534. 

  1535. PROGRAM_LIST="

  1536.     ffplay

  1537.     ffprobe

  1538.     ffserver

  1539.     ffmpeg

  1540. "

  1541. 

  1542. SUBSYSTEM_LIST="

  1543.     dct

  1544.     dwt

  1545.     error_resilience

  1546.     faan

  1547.     fast_unaligned

  1548.     fft

  1549.     lsp

  1550.     lzo

  1551.     mdct

  1552.     pixelutils

  1553.     network

  1554.     rdft

  1555. "

  1556. 

  1557. CONFIG_LIST="

  1558.     $COMPONENT_LIST

  1559.     $DOCUMENT_LIST

  1560.     $EXAMPLE_LIST

  1561.     $EXTERNAL_LIBRARY_LIST

  1562.     $FEATURE_LIST

  1563.     $HWACCEL_LIST

  1564.     $LICENSE_LIST

  1565.     $LIBRARY_LIST

  1566.     $PROGRAM_LIST

  1567.     $SUBSYSTEM_LIST

  1568.     fontconfig

  1569.     incompatible_libav_abi

  1570.     memalign_hack

  1571.     memory_poisoning

  1572.     neon_clobber_test

  1573.     pic

  1574.     pod2man

  1575.     raise_major

  1576.     thumb

  1577.     valgrind_backtrace

  1578.     xmm_clobber_test

  1579. "

  1580. 

  1581. THREADS_LIST="

  1582.     pthreads

  1583.     os2threads

  1584.     w32threads

  1585. "

  1586. 

  1587. ATOMICS_LIST="

  1588.     atomics_gcc

  1589.     atomics_suncc

  1590.     atomics_win32

  1591. "

  1592. 

  1593. ARCH_LIST="

  1594.     aarch64

  1595.     alpha

  1596.     arm

  1597.     avr32

  1598.     avr32_ap

  1599.     avr32_uc

  1600.     bfin

  1601.     ia64

  1602.     m68k

  1603.     mips

  1604.     mips64

  1605.     parisc

  1606.     ppc

  1607.     ppc64

  1608.     s390

  1609.     sh4

  1610.     sparc

  1611.     sparc64

  1612.     tilegx

  1613.     tilepro

  1614.     tomi

  1615.     x86

  1616.     x86_32

  1617.     x86_64

  1618. "

  1619. 

  1620. ARCH_EXT_LIST_ARM="

  1621.     armv5te

  1622.     armv6

  1623.     armv6t2

  1624.     armv8

  1625.     neon

  1626.     vfp

  1627.     vfpv3

  1628.     setend

  1629. "

  1630. 

  1631. ARCH_EXT_LIST_MIPS="

  1632.     mipsfpu

  1633.     mips32r2

  1634.     mips32r5

  1635.     mips64r6

  1636.     mipsdspr1

  1637.     mipsdspr2

  1638.     msa

  1639. "

  1640. 

  1641. ARCH_EXT_LIST_LOONGSON="

  1642.     loongson2

  1643.     loongson3

  1644.     mmi

  1645. "

  1646. 

  1647. ARCH_EXT_LIST_X86_SIMD="

  1648.     aesni

  1649.     amd3dnow

  1650.     amd3dnowext

  1651.     avx

  1652.     avx2

  1653.     fma3

  1654.     fma4

  1655.     mmx

  1656.     mmxext

  1657.     sse

  1658.     sse2

  1659.     sse3

  1660.     sse4

  1661.     sse42

  1662.     ssse3

  1663.     xop

  1664. "

  1665. 

  1666. ARCH_EXT_LIST_PPC="

  1667.     altivec

  1668.     dcbzl

  1669.     ldbrx

  1670.     power8

  1671.     ppc4xx

  1672.     vsx

  1673. "

  1674. 

  1675. ARCH_EXT_LIST_X86="

  1676.     $ARCH_EXT_LIST_X86_SIMD

  1677.     cpunop

  1678.     i686

  1679. "

  1680. 

  1681. ARCH_EXT_LIST="

  1682.     $ARCH_EXT_LIST_ARM

  1683.     $ARCH_EXT_LIST_PPC

  1684.     $ARCH_EXT_LIST_X86

  1685.     $ARCH_EXT_LIST_MIPS

  1686.     $ARCH_EXT_LIST_LOONGSON

  1687. "

  1688. 

  1689. ARCH_FEATURES="

  1690.     aligned_stack

  1691.     fast_64bit

  1692.     fast_clz

  1693.     fast_cmov

  1694.     local_aligned_8

  1695.     local_aligned_16

  1696.     local_aligned_32

  1697.     simd_align_16

  1698. "

  1699. 

  1700. BUILTIN_LIST="

  1701.     atomic_cas_ptr

  1702.     atomic_compare_exchange

  1703.     machine_rw_barrier

  1704.     MemoryBarrier

  1705.     mm_empty

  1706.     rdtsc

  1707.     sarestart

  1708.     sync_val_compare_and_swap

  1709. "

  1710. HAVE_LIST_CMDLINE="

  1711.     inline_asm

  1712.     symver

  1713.     yasm

  1714. "

  1715. 

  1716. HAVE_LIST_PUB="

  1717.     bigendian

  1718.     fast_unaligned

  1719.     incompatible_libav_abi

  1720. "

  1721. 

  1722. HEADERS_LIST="

  1723.     alsa_asoundlib_h

  1724.     altivec_h

  1725.     arpa_inet_h

  1726.     asm_types_h

  1727.     cdio_paranoia_h

  1728.     cdio_paranoia_paranoia_h

  1729.     dev_bktr_ioctl_bt848_h

  1730.     dev_bktr_ioctl_meteor_h

  1731.     dev_ic_bt8xx_h

  1732.     dev_video_bktr_ioctl_bt848_h

  1733.     dev_video_meteor_ioctl_meteor_h

  1734.     direct_h

  1735.     dirent_h

  1736.     dlfcn_h

  1737.     d3d11_h

  1738.     dxva_h

  1739.     ES2_gl_h

  1740.     gsm_h

  1741.     io_h

  1742.     mach_mach_time_h

  1743.     machine_ioctl_bt848_h

  1744.     machine_ioctl_meteor_h

  1745.     malloc_h

  1746.     openjpeg_1_5_openjpeg_h

  1747.     OpenGL_gl3_h

  1748.     poll_h

  1749.     sndio_h

  1750.     soundcard_h

  1751.     sys_mman_h

  1752.     sys_param_h

  1753.     sys_resource_h

  1754.     sys_select_h

  1755.     sys_soundcard_h

  1756.     sys_time_h

  1757.     sys_un_h

  1758.     sys_videoio_h

  1759.     termios_h

  1760.     udplite_h

  1761.     unistd_h

  1762.     valgrind_valgrind_h

  1763.     windows_h

  1764.     winsock2_h

  1765. "

  1766. 

  1767. INTRINSICS_LIST="

  1768.     intrinsics_neon

  1769. "

  1770. 

  1771. MATH_FUNCS="

  1772.     atanf

  1773.     atan2f

  1774.     cbrt

  1775.     cbrtf

  1776.     copysign

  1777.     cosf

  1778.     erf

  1779.     exp2

  1780.     exp2f

  1781.     expf

  1782.     hypot

  1783.     isinf

  1784.     isnan

  1785.     ldexpf

  1786.     llrint

  1787.     llrintf

  1788.     log2

  1789.     log2f

  1790.     log10f

  1791.     lrint

  1792.     lrintf

  1793.     powf

  1794.     rint

  1795.     round

  1796.     roundf

  1797.     sinf

  1798.     trunc

  1799.     truncf

  1800. "

  1801. 

  1802. SYSTEM_FUNCS="

  1803.     access

  1804.     aligned_malloc

  1805.     clock_gettime

  1806.     closesocket

  1807.     CommandLineToArgvW

  1808.     CoTaskMemFree

  1809.     CryptGenRandom

  1810.     dlopen

  1811.     fcntl

  1812.     flt_lim

  1813.     fork

  1814.     getaddrinfo

  1815.     gethrtime

  1816.     getopt

  1817.     GetProcessAffinityMask

  1818.     GetProcessMemoryInfo

  1819.     GetProcessTimes

  1820.     getrusage

  1821.     GetSystemTimeAsFileTime

  1822.     gettimeofday

  1823.     glob

  1824.     glXGetProcAddress

  1825.     gmtime_r

  1826.     inet_aton

  1827.     isatty

  1828.     jack_port_get_latency_range

  1829.     kbhit

  1830.     localtime_r

  1831.     lstat

  1832.     lzo1x_999_compress

  1833.     mach_absolute_time

  1834.     MapViewOfFile

  1835.     memalign

  1836.     mkstemp

  1837.     mmap

  1838.     mprotect

  1839.     nanosleep

  1840.     PeekNamedPipe

  1841.     posix_memalign

  1842.     pthread_cancel

  1843.     sched_getaffinity

  1844.     SetConsoleTextAttribute

  1845.     SetConsoleCtrlHandler

  1846.     setmode

  1847.     setrlimit

  1848.     Sleep

  1849.     strerror_r

  1850.     sysconf

  1851.     sysctl

  1852.     usleep

  1853.     UTGetOSTypeFromString

  1854.     VirtualAlloc

  1855.     wglGetProcAddress

  1856. "

  1857. 

  1858. TOOLCHAIN_FEATURES="

  1859.     as_dn_directive

  1860.     as_func

  1861.     as_object_arch

  1862.     asm_mod_q

  1863.     attribute_may_alias

  1864.     attribute_packed

  1865.     ebp_available

  1866.     ebx_available

  1867.     gnu_as

  1868.     gnu_windres

  1869.     ibm_asm

  1870.     inline_asm_labels

  1871.     inline_asm_nonlocal_labels

  1872.     inline_asm_direct_symbol_refs

  1873.     pragma_deprecated

  1874.     rsync_contimeout

  1875.     symver_asm_label

  1876.     symver_gnu_asm

  1877.     vfp_args

  1878.     xform_asm

  1879.     xmm_clobbers

  1880. "

  1881. 

  1882. TYPES_LIST="

  1883.     CONDITION_VARIABLE_Ptr

  1884.     socklen_t

  1885.     struct_addrinfo

  1886.     struct_group_source_req

  1887.     struct_ip_mreq_source

  1888.     struct_ipv6_mreq

  1889.     struct_pollfd

  1890.     struct_rusage_ru_maxrss

  1891.     struct_sctp_event_subscribe

  1892.     struct_sockaddr_in6

  1893.     struct_sockaddr_sa_len

  1894.     struct_sockaddr_storage

  1895.     struct_stat_st_mtim_tv_nsec

  1896.     struct_v4l2_frmivalenum_discrete

  1897. "

  1898. 

  1899. HAVE_LIST="

  1900.     $ARCH_EXT_LIST

  1901.     $(add_suffix _external $ARCH_EXT_LIST)

  1902.     $(add_suffix _inline   $ARCH_EXT_LIST)

  1903.     $ARCH_FEATURES

  1904.     $ATOMICS_LIST

  1905.     $BUILTIN_LIST

  1906.     $HAVE_LIST_CMDLINE

  1907.     $HAVE_LIST_PUB

  1908.     $HEADERS_LIST

  1909.     $INTRINSICS_LIST

  1910.     $MATH_FUNCS

  1911.     $SYSTEM_FUNCS

  1912.     $THREADS_LIST

  1913.     $TOOLCHAIN_FEATURES

  1914.     $TYPES_LIST

  1915.     atomics_native

  1916.     dos_paths

  1917.     dxva2api_cobj

  1918.     dxva2_lib

  1919.     winrt

  1920.     libc_msvcrt

  1921.     libdc1394_1

  1922.     libdc1394_2

  1923.     makeinfo

  1924.     makeinfo_html

  1925.     perl

  1926.     pod2man

  1927.     sdl

  1928.     section_data_rel_ro

  1929.     texi2html

  1930.     threads

  1931.     vaapi_x11

  1932.     vdpau_x11

  1933.     xlib

  1934. "

  1935. 

  1936. # options emitted with CONFIG_ prefix but not available on the command line

  1937. CONFIG_EXTRA="

  1938.     aandcttables

  1939.     ac3dsp

  1940.     audio_frame_queue

  1941.     audiodsp

  1942.     blockdsp

  1943.     bswapdsp

  1944.     cabac

  1945.     dvprofile

  1946.     exif

  1947.     faandct

  1948.     faanidct

  1949.     fdctdsp

  1950.     flacdsp

  1951.     fmtconvert

  1952.     frame_thread_encoder

  1953.     g722dsp

  1954.     golomb

  1955.     gplv3

  1956.     h263dsp

  1957.     h264chroma

  1958.     h264dsp

  1959.     h264pred

  1960.     h264qpel

  1961.     hpeldsp

  1962.     huffman

  1963.     huffyuvdsp

  1964.     huffyuvencdsp

  1965.     idctdsp

  1966.     iirfilter

  1967.     imdct15

  1968.     intrax8

  1969.     ividsp

  1970.     jpegtables

  1971.     libx262

  1972.     lgplv3

  1973.     llauddsp

  1974.     llviddsp

  1975.     lpc

  1976.     lzf

  1977.     me_cmp

  1978.     mpeg_er

  1979.     mpegaudio

  1980.     mpegaudiodsp

  1981.     mpegvideo

  1982.     mpegvideoenc

  1983.     mss34dsp

  1984.     pixblockdsp

  1985.     qpeldsp

  1986.     qsv

  1987.     qsvdec

  1988.     qsvenc

  1989.     rangecoder

  1990.     riffdec

  1991.     riffenc

  1992.     rtpdec

  1993.     rtpenc_chain

  1994.     rv34dsp

  1995.     sinewin

  1996.     snappy

  1997.     startcode

  1998.     texturedsp

  1999.     texturedspenc

  2000.     tpeldsp

  2001.     videodsp

  2002.     vp3dsp

  2003.     vp56dsp

  2004.     vp8dsp

  2005.     wma_freqs

  2006.     wmv2dsp

  2007. "

  2008. 

  2009. CMDLINE_SELECT="

  2010.     $ARCH_EXT_LIST

  2011.     $CONFIG_LIST

  2012.     $HAVE_LIST_CMDLINE

  2013.     $THREADS_LIST

  2014.     asm

  2015.     cross_compile

  2016.     debug

  2017.     extra_warnings

  2018.     logging

  2019.     lto

  2020.     optimizations

  2021.     rpath

  2022.     stripping

  2023. "

  2024. 

  2025. PATHS_LIST="

  2026.     bindir

  2027.     datadir

  2028.     docdir

  2029.     incdir

  2030.     libdir

  2031.     mandir

  2032.     pkgconfigdir

  2033.     prefix

  2034.     shlibdir

  2035. "

  2036. 

  2037. CMDLINE_SET="

  2038.     $PATHS_LIST

  2039.     ar

  2040.     arch

  2041.     as

  2042.     assert_level

  2043.     build_suffix

  2044.     cc

  2045.     cpu

  2046.     cross_prefix

  2047.     custom_allocator

  2048.     cxx

  2049.     dep_cc

  2050.     doxygen

  2051.     env

  2052.     extra_version

  2053.     gas

  2054.     host_cc

  2055.     host_cflags

  2056.     host_ld

  2057.     host_ldflags

  2058.     host_libs

  2059.     host_os

  2060.     install

  2061.     ld

  2062.     logfile

  2063.     malloc_prefix

  2064.     nm

  2065.     optflags

  2066.     pkg_config

  2067.     pkg_config_flags

  2068.     progs_suffix

  2069.     random_seed

  2070.     ranlib

  2071.     samples

  2072.     strip

  2073.     sws_max_filter_size

  2074.     sysinclude

  2075.     sysroot

  2076.     target_exec

  2077.     target_os

  2078.     target_path

  2079.     target_samples

  2080.     tempprefix

  2081.     toolchain

  2082.     valgrind

  2083.     yasmexe

  2084. "

  2085. 

  2086. CMDLINE_APPEND="

  2087.     extra_cflags

  2088.     extra_cxxflags

  2089.     host_cppflags

  2090. "

  2091. 

  2092. # code dependency declarations

  2093. 

  2094. # architecture extensions

  2095. 

  2096. armv5te_deps="arm"

  2097. armv6_deps="arm"

  2098. armv6t2_deps="arm"

  2099. armv8_deps="aarch64"

  2100. neon_deps_any="aarch64 arm"

  2101. intrinsics_neon_deps="neon"

  2102. vfp_deps_any="aarch64 arm"

  2103. vfpv3_deps="vfp"

  2104. setend_deps="arm"

  2105. 

  2106. map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM

  2107. 

  2108. mipsfpu_deps="mips"

  2109. mipsdspr1_deps="mips"

  2110. mipsdspr2_deps="mips"

  2111. mips32r2_deps="mips"

  2112. mips32r5_deps="mips"

  2113. mips64r6_deps="mips"

  2114. msa_deps="mips"

  2115. mmi_deps="mips"

  2116. 

  2117. altivec_deps="ppc"

  2118. dcbzl_deps="ppc"

  2119. ldbrx_deps="ppc"

  2120. ppc4xx_deps="ppc"

  2121. vsx_deps="altivec"

  2122. power8_deps="vsx"

  2123. 

  2124. cpunop_deps="i686"

  2125. x86_64_select="i686"

  2126. x86_64_suggest="fast_cmov"

  2127. 

  2128. amd3dnow_deps="mmx"

  2129. amd3dnowext_deps="amd3dnow"

  2130. i686_deps="x86"

  2131. mmx_deps="x86"

  2132. mmxext_deps="mmx"

  2133. sse_deps="mmxext"

  2134. sse2_deps="sse"

  2135. sse3_deps="sse2"

  2136. ssse3_deps="sse3"

  2137. sse4_deps="ssse3"

  2138. sse42_deps="sse4"

  2139. aesni_deps="sse42"

  2140. avx_deps="sse42"

  2141. xop_deps="avx"

  2142. fma3_deps="avx"

  2143. fma4_deps="avx"

  2144. avx2_deps="avx"

  2145. 

  2146. mmx_external_deps="yasm"

  2147. mmx_inline_deps="inline_asm"

  2148. mmx_suggest="mmx_external mmx_inline"

  2149. 

  2150. for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do

  2151.     eval dep=\$${ext}_deps

  2152.     eval ${ext}_external_deps='"${dep}_external"'

  2153.     eval ${ext}_inline_deps='"${dep}_inline"'

  2154.     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'

  2155. done

  2156. 

  2157. aligned_stack_if_any="aarch64 ppc x86"

  2158. fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"

  2159. fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"

  2160. fast_unaligned_if_any="aarch64 ppc x86"

  2161. simd_align_16_if_any="altivec neon sse"

  2162. 

  2163. # system capabilities

  2164. symver_if_any="symver_asm_label symver_gnu_asm"

  2165. valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"

  2166. 

  2167. # threading support

  2168. atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"

  2169. atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"

  2170. atomics_win32_if="MemoryBarrier"

  2171. atomics_native_if_any="$ATOMICS_LIST"

  2172. w32threads_deps="atomics_native"

  2173. threads_if_any="$THREADS_LIST"

  2174. 

  2175. # subsystems

  2176. dct_select="rdft"

  2177. error_resilience_select="me_cmp"

  2178. faandct_deps="faan fdctdsp"

  2179. faanidct_deps="faan idctdsp"

  2180. frame_thread_encoder_deps="encoders threads"

  2181. intrax8_select="error_resilience"

  2182. mdct_select="fft"

  2183. rdft_select="fft"

  2184. me_cmp_select="fdctdsp idctdsp pixblockdsp"

  2185. mpeg_er_select="error_resilience"

  2186. mpegaudio_select="mpegaudiodsp"

  2187. mpegaudiodsp_select="dct"

  2188. mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"

  2189. mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"

  2190. qsvdec_select="qsv"

  2191. qsvenc_select="qsv"

  2192. 

  2193. # decoders / encoders

  2194. aac_decoder_select="imdct15 mdct sinewin"

  2195. aac_fixed_decoder_select="mdct sinewin"

  2196. aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"

  2197. aac_latm_decoder_select="aac_decoder aac_latm_parser"

  2198. ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"

  2199. ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"

  2200. ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2201. ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2202. adpcm_g722_decoder_select="g722dsp"

  2203. adpcm_g722_encoder_select="g722dsp"

  2204. aic_decoder_select="golomb idctdsp"

  2205. alac_encoder_select="lpc"

  2206. als_decoder_select="bswapdsp"

  2207. amrnb_decoder_select="lsp"

  2208. amrwb_decoder_select="lsp"

  2209. amv_decoder_select="sp5x_decoder exif"

  2210. amv_encoder_select="aandcttables jpegtables mpegvideoenc"

  2211. ape_decoder_select="bswapdsp llauddsp"

  2212. apng_decoder_select="zlib"

  2213. apng_encoder_select="huffyuvencdsp zlib"

  2214. asv1_decoder_select="blockdsp bswapdsp idctdsp"

  2215. asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2216. asv2_decoder_select="blockdsp bswapdsp idctdsp"

  2217. asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2218. atrac1_decoder_select="mdct sinewin"

  2219. atrac3_decoder_select="mdct"

  2220. atrac3p_decoder_select="mdct sinewin"

  2221. avrn_decoder_select="exif jpegtables"

  2222. bink_decoder_select="blockdsp hpeldsp"

  2223. binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"

  2224. binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"

  2225. cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"

  2226. cllc_decoder_select="bswapdsp"

  2227. comfortnoise_encoder_select="lpc"

  2228. cook_decoder_select="audiodsp mdct sinewin"

  2229. cscd_decoder_select="lzo"

  2230. cscd_decoder_suggest="zlib"

  2231. dca_decoder_select="fmtconvert mdct"

  2232. dds_decoder_select="texturedsp"

  2233. dirac_decoder_select="dwt golomb videodsp mpegvideoenc"

  2234. dnxhd_decoder_select="blockdsp idctdsp"

  2235. dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"

  2236. dvvideo_decoder_select="dvprofile idctdsp"

  2237. dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"

  2238. dxa_decoder_select="zlib"

  2239. dxv_decoder_select="lzf texturedsp"

  2240. eac3_decoder_select="ac3_decoder"

  2241. eac3_encoder_select="ac3_encoder"

  2242. eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"

  2243. eatgq_decoder_select="aandcttables"

  2244. eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"

  2245. exr_decoder_select="zlib"

  2246. ffv1_decoder_select="golomb rangecoder"

  2247. ffv1_encoder_select="rangecoder"

  2248. ffvhuff_decoder_select="huffyuv_decoder"

  2249. ffvhuff_encoder_select="huffyuv_encoder"

  2250. fic_decoder_select="golomb"

  2251. flac_decoder_select="flacdsp golomb"

  2252. flac_encoder_select="bswapdsp flacdsp golomb lpc"

  2253. flashsv_decoder_select="zlib"

  2254. flashsv_encoder_select="zlib"

  2255. flashsv2_encoder_select="zlib"

  2256. flashsv2_decoder_select="zlib"

  2257. flv_decoder_select="h263_decoder"

  2258. flv_encoder_select="h263_encoder"

  2259. fourxm_decoder_select="blockdsp bswapdsp"

  2260. fraps_decoder_select="bswapdsp huffman"

  2261. g2m_decoder_select="blockdsp idctdsp jpegtables zlib"

  2262. g729_decoder_select="audiodsp"

  2263. h261_decoder_select="mpegvideo"

  2264. h261_encoder_select="aandcttables mpegvideoenc"

  2265. h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"

  2266. h263_encoder_select="aandcttables h263dsp mpegvideoenc"

  2267. h263i_decoder_select="h263_decoder"

  2268. h263p_decoder_select="h263_decoder"

  2269. h263p_encoder_select="h263_encoder"

  2270. h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"

  2271. h264_decoder_suggest="error_resilience"

  2272. h264_qsv_decoder_deps="libmfx"

  2273. h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"

  2274. h264_qsv_encoder_deps="libmfx"

  2275. h264_qsv_encoder_select="qsvenc"

  2276. hap_decoder_select="snappy texturedsp"

  2277. hap_encoder_deps="libsnappy"

  2278. hap_encoder_select="texturedspenc"

  2279. hevc_decoder_select="bswapdsp cabac golomb videodsp"

  2280. hevc_qsv_encoder_deps="libmfx"

  2281. hevc_qsv_decoder_deps="libmfx"

  2282. hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"

  2283. hevc_qsv_encoder_select="qsvenc"

  2284. huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"

  2285. huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"

  2286. iac_decoder_select="imc_decoder"

  2287. imc_decoder_select="bswapdsp fft mdct sinewin"

  2288. indeo3_decoder_select="hpeldsp"

  2289. indeo4_decoder_select="ividsp"

  2290. indeo5_decoder_select="ividsp"

  2291. interplay_video_decoder_select="hpeldsp"

  2292. jpegls_decoder_select="golomb mjpeg_decoder"

  2293. jpegls_encoder_select="golomb"

  2294. jv_decoder_select="blockdsp"

  2295. lagarith_decoder_select="huffyuvdsp"

  2296. ljpeg_encoder_select="aandcttables idctdsp jpegtables"

  2297. loco_decoder_select="golomb"

  2298. mdec_decoder_select="blockdsp idctdsp mpegvideo"

  2299. metasound_decoder_select="lsp mdct sinewin"

  2300. mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"

  2301. mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"

  2302. mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"

  2303. mjpegb_decoder_select="mjpeg_decoder"

  2304. mlp_decoder_select="mlp_parser"

  2305. motionpixels_decoder_select="bswapdsp"

  2306. mp1_decoder_select="mpegaudio"

  2307. mp1float_decoder_select="mpegaudio"

  2308. mp2_decoder_select="mpegaudio"

  2309. mp2float_decoder_select="mpegaudio"

  2310. mp3_decoder_select="mpegaudio"

  2311. mp3adu_decoder_select="mpegaudio"

  2312. mp3adufloat_decoder_select="mpegaudio"

  2313. mp3float_decoder_select="mpegaudio"

  2314. mp3on4_decoder_select="mpegaudio"

  2315. mp3on4float_decoder_select="mpegaudio"

  2316. mpc7_decoder_select="bswapdsp mpegaudiodsp"

  2317. mpc8_decoder_select="mpegaudiodsp"

  2318. mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"

  2319. mpeg_xvmc_decoder_select="mpeg2video_decoder"

  2320. mpegvideo_decoder_select="mpegvideo"

  2321. mpeg1video_decoder_select="mpegvideo"

  2322. mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2323. mpeg2video_decoder_select="mpegvideo"

  2324. mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2325. mpeg2_qsv_decoder_deps="libmfx"

  2326. mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"

  2327. mpeg2_qsv_encoder_deps="libmfx"

  2328. mpeg2_qsv_encoder_select="qsvenc"

  2329. mpeg4_decoder_select="h263_decoder mpeg4video_parser"

  2330. mpeg4_encoder_select="h263_encoder"

  2331. msa1_decoder_select="mss34dsp"

  2332. msmpeg4v1_decoder_select="h263_decoder"

  2333. msmpeg4v2_decoder_select="h263_decoder"

  2334. msmpeg4v2_encoder_select="h263_encoder"

  2335. msmpeg4v3_decoder_select="h263_decoder"

  2336. msmpeg4v3_encoder_select="h263_encoder"

  2337. mss2_decoder_select="vc1_decoder"

  2338. mts2_decoder_select="mss34dsp"

  2339. mxpeg_decoder_select="mjpeg_decoder"

  2340. nellymoser_decoder_select="mdct sinewin"

  2341. nellymoser_encoder_select="audio_frame_queue mdct sinewin"

  2342. nuv_decoder_select="idctdsp lzo"

  2343. on2avc_decoder_select="mdct"

  2344. opus_decoder_deps="swresample"

  2345. opus_decoder_select="imdct15"

  2346. png_decoder_select="zlib"

  2347. png_encoder_select="huffyuvencdsp zlib"

  2348. prores_decoder_select="blockdsp idctdsp"

  2349. prores_encoder_select="fdctdsp"

  2350. qcelp_decoder_select="lsp"

  2351. qdm2_decoder_select="mdct rdft mpegaudiodsp"

  2352. ra_144_encoder_select="audio_frame_queue lpc audiodsp"

  2353. ra_144_decoder_select="audiodsp"

  2354. ralf_decoder_select="golomb"

  2355. rawvideo_decoder_select="bswapdsp"

  2356. rscc_decoder_select="zlib"

  2357. rtjpeg_decoder_select="me_cmp"

  2358. rv10_decoder_select="h263_decoder"

  2359. rv10_encoder_select="h263_encoder"

  2360. rv20_decoder_select="h263_decoder"

  2361. rv20_encoder_select="h263_encoder"

  2362. rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"

  2363. rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"

  2364. screenpresso_decoder_select="zlib"

  2365. shorten_decoder_select="golomb"

  2366. sipr_decoder_select="lsp"

  2367. snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"

  2368. snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"

  2369. sonic_decoder_select="golomb rangecoder"

  2370. sonic_encoder_select="golomb rangecoder"

  2371. sonic_ls_encoder_select="golomb rangecoder"

  2372. sp5x_decoder_select="mjpeg_decoder"

  2373. svq1_decoder_select="hpeldsp"

  2374. svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"

  2375. svq3_decoder_select="h264_decoder hpeldsp tpeldsp"

  2376. svq3_decoder_suggest="zlib"

  2377. tak_decoder_select="audiodsp"

  2378. tdsc_decoder_select="zlib mjpeg_decoder"

  2379. theora_decoder_select="vp3_decoder"

  2380. thp_decoder_select="mjpeg_decoder"

  2381. tiff_decoder_suggest="zlib lzma"

  2382. tiff_encoder_suggest="zlib"

  2383. truehd_decoder_select="mlp_parser"

  2384. truemotion2_decoder_select="bswapdsp"

  2385. truespeech_decoder_select="bswapdsp"

  2386. tscc_decoder_select="zlib"

  2387. twinvq_decoder_select="mdct lsp sinewin"

  2388. txd_decoder_select="texturedsp"

  2389. utvideo_decoder_select="bswapdsp"

  2390. utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"

  2391. vble_decoder_select="huffyuvdsp"

  2392. vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 qpeldsp startcode"

  2393. vc1image_decoder_select="vc1_decoder"

  2394. vc1_qsv_decoder_deps="libmfx"

  2395. vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel"

  2396. vorbis_decoder_select="mdct"

  2397. vorbis_encoder_select="mdct"

  2398. vp3_decoder_select="hpeldsp vp3dsp videodsp"

  2399. vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"

  2400. vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"

  2401. vp6a_decoder_select="vp6_decoder"

  2402. vp6f_decoder_select="vp6_decoder"

  2403. vp7_decoder_select="h264pred videodsp vp8dsp"

  2404. vp8_decoder_select="h264pred videodsp vp8dsp"

  2405. vp9_decoder_select="videodsp vp9_parser"

  2406. webp_decoder_select="vp8_decoder"

  2407. wmalossless_decoder_select="llauddsp"

  2408. wmapro_decoder_select="mdct sinewin wma_freqs"

  2409. wmav1_decoder_select="mdct sinewin wma_freqs"

  2410. wmav1_encoder_select="mdct sinewin wma_freqs"

  2411. wmav2_decoder_select="mdct sinewin wma_freqs"

  2412. wmav2_encoder_select="mdct sinewin wma_freqs"

  2413. wmavoice_decoder_select="lsp rdft dct mdct sinewin"

  2414. wmv1_decoder_select="h263_decoder"

  2415. wmv1_encoder_select="h263_encoder"

  2416. wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp wmv2dsp"

  2417. wmv2_encoder_select="h263_encoder wmv2dsp"

  2418. wmv3_decoder_select="vc1_decoder"

  2419. wmv3image_decoder_select="wmv3_decoder"

  2420. zerocodec_decoder_select="zlib"

  2421. zlib_decoder_select="zlib"

  2422. zlib_encoder_select="zlib"

  2423. zmbv_decoder_select="zlib"

  2424. zmbv_encoder_select="zlib"

  2425. 

  2426. # hardware accelerators

  2427. crystalhd_deps="libcrystalhd_libcrystalhd_if_h"

  2428. d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"

  2429. dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"

  2430. vaapi_deps="va_va_h"

  2431. vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"

  2432. vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"

  2433. vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"

  2434. videotoolbox_deps="VideoToolbox_VideoToolbox_h pthreads"

  2435. videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework QuartzCore -framework CoreVideo"

  2436. xvmc_deps="X11_extensions_XvMClib_h"

  2437. 

  2438. h263_vaapi_hwaccel_deps="vaapi"

  2439. h263_vaapi_hwaccel_select="h263_decoder"

  2440. h263_videotoolbox_hwaccel_deps="videotoolbox"

  2441. h263_videotoolbox_hwaccel_select="h263_decoder"

  2442. h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"

  2443. h264_d3d11va_hwaccel_deps="d3d11va"

  2444. h264_d3d11va_hwaccel_select="h264_decoder"

  2445. h264_dxva2_hwaccel_deps="dxva2"

  2446. h264_dxva2_hwaccel_select="h264_decoder"

  2447. h264_mmal_decoder_deps="mmal"

  2448. h264_mmal_hwaccel_deps="mmal"

  2449. h264_mmal_decoder_select="h264_decoder"

  2450. h264_mmal_encoder_deps="mmal"

  2451. h264_qsv_hwaccel_deps="libmfx"

  2452. h264_vaapi_hwaccel_deps="vaapi"

  2453. h264_vaapi_hwaccel_select="h264_decoder"

  2454. h264_vda_decoder_deps="vda"

  2455. h264_vda_decoder_select="h264_decoder"

  2456. h264_vda_hwaccel_deps="vda"

  2457. h264_vda_hwaccel_select="h264_decoder"

  2458. h264_vda_old_hwaccel_deps="vda"

  2459. h264_vda_old_hwaccel_select="h264_decoder"

  2460. h264_vdpau_decoder_deps="vdpau"

  2461. h264_vdpau_decoder_select="h264_decoder"

  2462. h264_vdpau_hwaccel_deps="vdpau"

  2463. h264_vdpau_hwaccel_select="h264_decoder"

  2464. h264_videotoolbox_hwaccel_deps="videotoolbox"

  2465. h264_videotoolbox_hwaccel_select="h264_decoder"

  2466. hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"

  2467. hevc_d3d11va_hwaccel_select="hevc_decoder"

  2468. hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"

  2469. hevc_dxva2_hwaccel_select="hevc_decoder"

  2470. hevc_qsv_hwaccel_deps="libmfx"

  2471. hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"

  2472. hevc_vaapi_hwaccel_select="hevc_decoder"

  2473. hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"

  2474. hevc_vdpau_hwaccel_select="hevc_decoder"

  2475. mpeg_vdpau_decoder_deps="vdpau"

  2476. mpeg_vdpau_decoder_select="mpeg2video_decoder"

  2477. mpeg_xvmc_hwaccel_deps="xvmc"

  2478. mpeg_xvmc_hwaccel_select="mpeg2video_decoder"

  2479. mpeg1_vdpau_decoder_deps="vdpau"

  2480. mpeg1_vdpau_decoder_select="mpeg1video_decoder"

  2481. mpeg1_vdpau_hwaccel_deps="vdpau"

  2482. mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"

  2483. mpeg1_videotoolbox_hwaccel_deps="videotoolbox"

  2484. mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"

  2485. mpeg1_xvmc_hwaccel_deps="xvmc"

  2486. mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"

  2487. mpeg2_crystalhd_decoder_select="crystalhd"

  2488. mpeg2_d3d11va_hwaccel_deps="d3d11va"

  2489. mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"

  2490. mpeg2_dxva2_hwaccel_deps="dxva2"

  2491. mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"

  2492. mpeg2_mmal_decoder_deps="mmal"

  2493. mpeg2_mmal_hwaccel_deps="mmal"

  2494. mpeg2_mmal_decoder_select="mpeg2video_decoder"

  2495. mpeg2_qsv_hwaccel_deps="libmfx"

  2496. mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"

  2497. mpeg2_vaapi_hwaccel_deps="vaapi"

  2498. mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"

  2499. mpeg2_vdpau_hwaccel_deps="vdpau"

  2500. mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"

  2501. mpeg2_videotoolbox_hwaccel_deps="videotoolbox"

  2502. mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"

  2503. mpeg2_xvmc_hwaccel_deps="xvmc"

  2504. mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"

  2505. mpeg4_crystalhd_decoder_select="crystalhd"

  2506. mpeg4_vaapi_hwaccel_deps="vaapi"

  2507. mpeg4_vaapi_hwaccel_select="mpeg4_decoder"

  2508. mpeg4_vdpau_decoder_deps="vdpau"

  2509. mpeg4_vdpau_decoder_select="mpeg4_decoder"

  2510. mpeg4_vdpau_hwaccel_deps="vdpau"

  2511. mpeg4_vdpau_hwaccel_select="mpeg4_decoder"

  2512. mpeg4_videotoolbox_hwaccel_deps="videotoolbox"

  2513. mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"

  2514. msmpeg4_crystalhd_decoder_select="crystalhd"

  2515. vc1_crystalhd_decoder_select="crystalhd"

  2516. vc1_d3d11va_hwaccel_deps="d3d11va"

  2517. vc1_d3d11va_hwaccel_select="vc1_decoder"

  2518. vc1_dxva2_hwaccel_deps="dxva2"

  2519. vc1_dxva2_hwaccel_select="vc1_decoder"

  2520. vc1_vaapi_hwaccel_deps="vaapi"

  2521. vc1_vaapi_hwaccel_select="vc1_decoder"

  2522. vc1_vdpau_decoder_deps="vdpau"

  2523. vc1_vdpau_decoder_select="vc1_decoder"

  2524. vc1_vdpau_hwaccel_deps="vdpau"

  2525. vc1_vdpau_hwaccel_select="vc1_decoder"

  2526. vc1_mmal_decoder_deps="mmal"

  2527. vc1_mmal_hwaccel_deps="mmal"

  2528. vc1_mmal_decoder_select="vc1_decoder"

  2529. vc1_qsv_hwaccel_deps="libmfx"

  2530. vc1_qsv_hwaccel_select="qsvdec_vc1"

  2531. wmv3_crystalhd_decoder_select="crystalhd"

  2532. wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"

  2533. wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"

  2534. wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"

  2535. wmv3_vdpau_decoder_select="vc1_vdpau_decoder"

  2536. wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"

  2537. 

  2538. # parsers

  2539. h264_parser_select="h264_decoder"

  2540. hevc_parser_select="golomb"

  2541. mpegvideo_parser_select="mpegvideo"

  2542. mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"

  2543. vc1_parser_select="mpegvideo startcode vc1_decoder"

  2544. 

  2545. # bitstream_filters

  2546. mjpeg2jpeg_bsf_select="jpegtables"

  2547. 

  2548. # external libraries

  2549. chromaprint_muxer_deps="chromaprint"

  2550. libaacplus_encoder_deps="libaacplus"

  2551. libcelt_decoder_deps="libcelt"

  2552. libdcadec_decoder_deps="libdcadec"

  2553. libfaac_encoder_deps="libfaac"

  2554. libfaac_encoder_select="audio_frame_queue"

  2555. libfdk_aac_decoder_deps="libfdk_aac"

  2556. libfdk_aac_encoder_deps="libfdk_aac"

  2557. libfdk_aac_encoder_select="audio_frame_queue"

  2558. libgme_demuxer_deps="libgme"

  2559. libgsm_decoder_deps="libgsm"

  2560. libgsm_encoder_deps="libgsm"

  2561. libgsm_ms_decoder_deps="libgsm"

  2562. libgsm_ms_encoder_deps="libgsm"

  2563. libilbc_decoder_deps="libilbc"

  2564. libilbc_encoder_deps="libilbc"

  2565. libkvazaar_encoder_deps="libkvazaar"

  2566. libmodplug_demuxer_deps="libmodplug"

  2567. libmp3lame_encoder_deps="libmp3lame"

  2568. libmp3lame_encoder_select="audio_frame_queue"

  2569. libopencore_amrnb_decoder_deps="libopencore_amrnb"

  2570. libopencore_amrnb_encoder_deps="libopencore_amrnb"

  2571. libopencore_amrnb_encoder_select="audio_frame_queue"

  2572. libopencore_amrwb_decoder_deps="libopencore_amrwb"

  2573. libopenh264_encoder_deps="libopenh264"

  2574. libopenjpeg_decoder_deps="libopenjpeg"

  2575. libopenjpeg_encoder_deps="libopenjpeg"

  2576. libopus_decoder_deps="libopus"

  2577. libopus_encoder_deps="libopus"

  2578. libopus_encoder_select="audio_frame_queue"

  2579. libquvi_demuxer_deps="libquvi"

  2580. libschroedinger_decoder_deps="libschroedinger"

  2581. libschroedinger_encoder_deps="libschroedinger"

  2582. libshine_encoder_deps="libshine"

  2583. libshine_encoder_select="audio_frame_queue"

  2584. libspeex_decoder_deps="libspeex"

  2585. libspeex_encoder_deps="libspeex"

  2586. libspeex_encoder_select="audio_frame_queue"

  2587. libstagefright_h264_decoder_deps="libstagefright_h264"

  2588. libtheora_encoder_deps="libtheora"

  2589. libtwolame_encoder_deps="libtwolame"

  2590. libvo_aacenc_encoder_deps="libvo_aacenc"

  2591. libvo_aacenc_encoder_select="audio_frame_queue"

  2592. libvo_amrwbenc_encoder_deps="libvo_amrwbenc"

  2593. libvorbis_decoder_deps="libvorbis"

  2594. libvorbis_encoder_deps="libvorbis"

  2595. libvorbis_encoder_select="audio_frame_queue"

  2596. libvpx_vp8_decoder_deps="libvpx"

  2597. libvpx_vp8_encoder_deps="libvpx"

  2598. libvpx_vp9_decoder_deps="libvpx"

  2599. libvpx_vp9_encoder_deps="libvpx"

  2600. libwavpack_encoder_deps="libwavpack"

  2601. libwebp_encoder_deps="libwebp"

  2602. libwebp_anim_encoder_deps="libwebp"

  2603. libx262_encoder_deps="libx262"

  2604. libx264_encoder_deps="libx264"

  2605. libx264rgb_encoder_deps="libx264"

  2606. libx264rgb_encoder_select="libx264_encoder"

  2607. libx265_encoder_deps="libx265"

  2608. libxavs_encoder_deps="libxavs"

  2609. libxvid_encoder_deps="libxvid"

  2610. libutvideo_decoder_deps="libutvideo"

  2611. libutvideo_encoder_deps="libutvideo"

  2612. libzvbi_teletext_decoder_deps="libzvbi"

  2613. nvenc_encoder_deps="nvenc"

  2614. nvenc_h264_encoder_deps="nvenc"

  2615. nvenc_hevc_encoder_deps="nvenc"

  2616. 

  2617. # demuxers / muxers

  2618. ac3_demuxer_select="ac3_parser"

  2619. asf_demuxer_select="riffdec"

  2620. asf_o_demuxer_select="riffdec"

  2621. asf_muxer_select="riffenc"

  2622. asf_stream_muxer_select="asf_muxer"

  2623. avi_demuxer_select="riffdec exif"

  2624. avi_muxer_select="riffenc"

  2625. avisynth_demuxer_deps="avisynth"

  2626. avisynth_demuxer_select="riffdec"

  2627. caf_demuxer_select="riffdec"

  2628. dash_muxer_select="mp4_muxer"

  2629. dirac_demuxer_select="dirac_parser"

  2630. dts_demuxer_select="dca_parser"

  2631. dtshd_demuxer_select="dca_parser"

  2632. dv_demuxer_select="dvprofile"

  2633. dv_muxer_select="dvprofile"

  2634. dxa_demuxer_select="riffdec"

  2635. eac3_demuxer_select="ac3_parser"

  2636. f4v_muxer_select="mov_muxer"

  2637. flac_demuxer_select="flac_parser"

  2638. hds_muxer_select="flv_muxer"

  2639. hls_muxer_select="mpegts_muxer"

  2640. image2_alias_pix_demuxer_select="image2_demuxer"

  2641. image2_brender_pix_demuxer_select="image2_demuxer"

  2642. ipod_muxer_select="mov_muxer"

  2643. ismv_muxer_select="mov_muxer"

  2644. libnut_demuxer_deps="libnut"

  2645. libnut_muxer_deps="libnut"

  2646. matroska_audio_muxer_select="matroska_muxer"

  2647. matroska_demuxer_select="riffdec"

  2648. matroska_demuxer_suggest="bzlib lzo zlib"

  2649. matroska_muxer_select="riffenc"

  2650. mmf_muxer_select="riffenc"

  2651. mov_demuxer_select="riffdec"

  2652. mov_demuxer_suggest="zlib"

  2653. mov_muxer_select="riffenc rtpenc_chain"

  2654. mp3_demuxer_select="mpegaudio_parser"

  2655. mp4_muxer_select="mov_muxer"

  2656. mpegts_muxer_select="adts_muxer latm_muxer"

  2657. mpegtsraw_demuxer_select="mpegts_demuxer"

  2658. mxf_d10_muxer_select="mxf_muxer"

  2659. mxf_opatom_muxer_select="mxf_muxer"

  2660. nut_muxer_select="riffenc"

  2661. nuv_demuxer_select="riffdec"

  2662. oga_muxer_select="ogg_muxer"

  2663. ogg_demuxer_select="golomb"

  2664. opus_muxer_select="ogg_muxer"

  2665. psp_muxer_select="mov_muxer"

  2666. rtp_demuxer_select="sdp_demuxer"

  2667. rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"

  2668. rtsp_demuxer_select="http_protocol rtpdec"

  2669. rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"

  2670. sap_demuxer_select="sdp_demuxer"

  2671. sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"

  2672. sdp_demuxer_select="rtpdec"

  2673. smoothstreaming_muxer_select="ismv_muxer"

  2674. spdif_muxer_select="aac_parser"

  2675. spx_muxer_select="ogg_muxer"

  2676. tak_demuxer_select="tak_parser"

  2677. tg2_muxer_select="mov_muxer"

  2678. tgp_muxer_select="mov_muxer"

  2679. vobsub_demuxer_select="mpegps_demuxer"

  2680. w64_demuxer_select="wav_demuxer"

  2681. w64_muxer_select="wav_muxer"

  2682. wav_demuxer_select="riffdec"

  2683. wav_muxer_select="riffenc"

  2684. webm_muxer_select="riffenc"

  2685. wtv_demuxer_select="riffdec"

  2686. wtv_muxer_select="riffenc"

  2687. xmv_demuxer_select="riffdec"

  2688. xwma_demuxer_select="riffdec"

  2689. 

  2690. # indevs / outdevs

  2691. alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"

  2692. alsa_outdev_deps="alsa_asoundlib_h"

  2693. avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"

  2694. avfoundation_indev_select="avfoundation"

  2695. bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"

  2696. caca_outdev_deps="libcaca"

  2697. decklink_outdev_deps="decklink pthreads"

  2698. decklink_outdev_extralibs="-lstdc++"

  2699. decklink_indev_deps="decklink pthreads"

  2700. decklink_indev_extralibs="-lstdc++"

  2701. dshow_indev_deps="IBaseFilter"

  2702. dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"

  2703. dv1394_indev_deps="dv1394"

  2704. dv1394_indev_select="dv_demuxer"

  2705. fbdev_indev_deps="linux_fb_h"

  2706. fbdev_outdev_deps="linux_fb_h"

  2707. gdigrab_indev_deps="CreateDIBSection"

  2708. gdigrab_indev_extralibs="-lgdi32"

  2709. gdigrab_indev_select="bmp_decoder"

  2710. iec61883_indev_deps="libiec61883"

  2711. jack_indev_deps="jack_jack_h sem_timedwait"

  2712. lavfi_indev_deps="avfilter"

  2713. libcdio_indev_deps="libcdio"

  2714. libdc1394_indev_deps="libdc1394"

  2715. libv4l2_indev_deps="libv4l2"

  2716. openal_indev_deps="openal"

  2717. opengl_outdev_deps="opengl"

  2718. oss_indev_deps_any="soundcard_h sys_soundcard_h"

  2719. oss_outdev_deps_any="soundcard_h sys_soundcard_h"

  2720. pulse_indev_deps="libpulse"

  2721. pulse_outdev_deps="libpulse"

  2722. qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"

  2723. qtkit_indev_select="qtkit"

  2724. sdl_outdev_deps="sdl"

  2725. sndio_indev_deps="sndio_h"

  2726. sndio_outdev_deps="sndio_h"

  2727. v4l_indev_deps="linux_videodev_h"

  2728. v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"

  2729. v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"

  2730. vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"

  2731. vfwcap_indev_extralibs="-lavicap32"

  2732. xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"

  2733. xv_outdev_extralibs="-lXv -lX11 -lXext"

  2734. x11grab_indev_deps="x11grab"

  2735. x11grab_xcb_indev_deps="libxcb"

  2736. 

  2737. # protocols

  2738. async_protocol_deps="threads"

  2739. bluray_protocol_deps="libbluray"

  2740. ffrtmpcrypt_protocol_deps="!librtmp_protocol"

  2741. ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"

  2742. ffrtmpcrypt_protocol_select="tcp_protocol"

  2743. ffrtmphttp_protocol_deps="!librtmp_protocol"

  2744. ffrtmphttp_protocol_select="http_protocol"

  2745. ftp_protocol_select="tcp_protocol"

  2746. gopher_protocol_select="network"

  2747. http_protocol_select="tcp_protocol"

  2748. httpproxy_protocol_select="tcp_protocol"

  2749. https_protocol_select="tls_protocol"

  2750. icecast_protocol_select="http_protocol"

  2751. librtmp_protocol_deps="librtmp"

  2752. librtmpe_protocol_deps="librtmp"

  2753. librtmps_protocol_deps="librtmp"

  2754. librtmpt_protocol_deps="librtmp"

  2755. librtmpte_protocol_deps="librtmp"

  2756. libsmbclient_protocol_deps="libsmbclient gplv3"

  2757. libssh_protocol_deps="libssh"

  2758. mmsh_protocol_select="http_protocol"

  2759. mmst_protocol_select="network"

  2760. rtmp_protocol_deps="!librtmp_protocol"

  2761. rtmp_protocol_select="tcp_protocol"

  2762. rtmpe_protocol_select="ffrtmpcrypt_protocol"

  2763. rtmps_protocol_deps="!librtmp_protocol"

  2764. rtmps_protocol_select="tls_protocol"

  2765. rtmpt_protocol_select="ffrtmphttp_protocol"

  2766. rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"

  2767. rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"

  2768. rtp_protocol_select="udp_protocol"

  2769. sctp_protocol_deps="struct_sctp_event_subscribe"

  2770. sctp_protocol_select="network"

  2771. srtp_protocol_select="rtp_protocol"

  2772. tcp_protocol_select="network"

  2773. tls_gnutls_protocol_deps="gnutls !tls_schannel_protocol !tls_securetransport_protocol"

  2774. tls_gnutls_protocol_select="tcp_protocol"

  2775. tls_openssl_protocol_deps="openssl !tls_schannel_protocol !tls_securetransport_protocol !tls_gnutls_protocol"

  2776. tls_openssl_protocol_select="tcp_protocol"

  2777. tls_schannel_protocol_deps="schannel"

  2778. tls_schannel_protocol_select="tcp_protocol"

  2779. tls_securetransport_protocol_deps="securetransport"

  2780. tls_securetransport_protocol_select="tcp_protocol"

  2781. tls_protocol_deps_any="tls_schannel_protocol tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"

  2782. udp_protocol_select="network"

  2783. udplite_protocol_select="network"

  2784. unix_protocol_deps="sys_un_h"

  2785. unix_protocol_select="network"

  2786. 

  2787. # filters

  2788. amovie_filter_deps="avcodec avformat"

  2789. aresample_filter_deps="swresample"

  2790. ass_filter_deps="libass"

  2791. asyncts_filter_deps="avresample"

  2792. atempo_filter_deps="avcodec"

  2793. atempo_filter_select="rdft"

  2794. azmq_filter_deps="libzmq"

  2795. blackframe_filter_deps="gpl"

  2796. boxblur_filter_deps="gpl"

  2797. bs2b_filter_deps="libbs2b"

  2798. colormatrix_filter_deps="gpl"

  2799. cover_rect_filter_deps="avcodec avformat gpl"

  2800. cropdetect_filter_deps="gpl"

  2801. delogo_filter_deps="gpl"

  2802. deshake_filter_select="pixelutils"

  2803. drawtext_filter_deps="libfreetype"

  2804. dynaudnorm_filter_deps="copysign erf"

  2805. ebur128_filter_deps="gpl"

  2806. eq_filter_deps="gpl"

  2807. fftfilt_filter_deps="avcodec"

  2808. fftfilt_filter_select="rdft"

  2809. flite_filter_deps="libflite"

  2810. find_rect_filter_deps="avcodec avformat gpl"

  2811. frei0r_filter_deps="frei0r dlopen"

  2812. frei0r_src_filter_deps="frei0r dlopen"

  2813. fspp_filter_deps="gpl"

  2814. geq_filter_deps="gpl"

  2815. histeq_filter_deps="gpl"

  2816. hqdn3d_filter_deps="gpl"

  2817. interlace_filter_deps="gpl"

  2818. kerndeint_filter_deps="gpl"

  2819. ladspa_filter_deps="ladspa dlopen"

  2820. mcdeint_filter_deps="avcodec gpl"

  2821. movie_filter_deps="avcodec avformat"

  2822. mpdecimate_filter_deps="gpl"

  2823. mpdecimate_filter_select="pixelutils"

  2824. mptestsrc_filter_deps="gpl"

  2825. negate_filter_deps="lut_filter"

  2826. perspective_filter_deps="gpl"

  2827. pp7_filter_deps="gpl"

  2828. ocr_filter_deps="libtesseract"

  2829. ocv_filter_deps="libopencv"

  2830. owdenoise_filter_deps="gpl"

  2831. pan_filter_deps="swresample"

  2832. phase_filter_deps="gpl"

  2833. pp_filter_deps="gpl postproc"

  2834. pullup_filter_deps="gpl"

  2835. removelogo_filter_deps="avcodec avformat swscale"

  2836. repeatfields_filter_deps="gpl"

  2837. resample_filter_deps="avresample"

  2838. rubberband_filter_deps="librubberband"

  2839. sab_filter_deps="gpl swscale"

  2840. scale_filter_deps="swscale"

  2841. scale2ref_filter_deps="swscale"

  2842. select_filter_select="pixelutils"

  2843. smartblur_filter_deps="gpl swscale"

  2844. showcqt_filter_deps="avcodec avformat swscale"

  2845. showcqt_filter_select="fft"

  2846. showfreqs_filter_deps="avcodec"

  2847. showfreqs_filter_select="fft"

  2848. showspectrum_filter_deps="avcodec"

  2849. showspectrum_filter_select="rdft"

  2850. spp_filter_deps="gpl avcodec"

  2851. spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"

  2852. stereo3d_filter_deps="gpl"

  2853. subtitles_filter_deps="avformat avcodec libass"

  2854. super2xsai_filter_deps="gpl"

  2855. tinterlace_filter_deps="gpl"

  2856. vidstabdetect_filter_deps="libvidstab"

  2857. vidstabtransform_filter_deps="libvidstab"

  2858. pixfmts_super2xsai_test_deps="super2xsai_filter"

  2859. tinterlace_merge_test_deps="tinterlace_filter"

  2860. tinterlace_pad_test_deps="tinterlace_filter"

  2861. uspp_filter_deps="gpl avcodec"

  2862. zmq_filter_deps="libzmq"

  2863. zoompan_filter_deps="swscale"

  2864. zscale_filter_deps="libzimg"

  2865. 

  2866. # examples

  2867. avio_reading="avformat avcodec avutil"

  2868. avio_dir_cmd="avformat avutil"

  2869. avcodec_example_deps="avcodec avutil"

  2870. decoding_encoding_example_deps="avcodec avformat avutil"

  2871. demuxing_decoding_example_deps="avcodec avformat avutil"

  2872. extract_mvs_example_deps="avcodec avformat avutil"

  2873. filter_audio_example_deps="avfilter avutil"

  2874. filtering_audio_example_deps="avfilter avcodec avformat avutil"

  2875. filtering_video_example_deps="avfilter avcodec avformat avutil"

  2876. metadata_example_deps="avformat avutil"

  2877. muxing_example_deps="avcodec avformat avutil swscale"

  2878. qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"

  2879. remuxing_example_deps="avcodec avformat avutil"

  2880. resampling_audio_example_deps="avutil swresample"

  2881. scaling_video_example_deps="avutil swscale"

  2882. transcode_aac_example_deps="avcodec avformat swresample"

  2883. transcoding_example_deps="avfilter avcodec avformat avutil"

  2884. 

  2885. # libraries, in linking order

  2886. avcodec_deps="avutil"

  2887. avdevice_deps="avformat avcodec avutil"

  2888. avfilter_deps="avutil"

  2889. avformat_deps="avcodec avutil"

  2890. avresample_deps="avutil"

  2891. postproc_deps="avutil gpl"

  2892. swresample_deps="avutil"

  2893. swscale_deps="avutil"

  2894. 

  2895. # programs

  2896. ffmpeg_deps="avcodec avfilter avformat swresample"

  2897. ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter

  2898.                null_filter

  2899.                setpts_filter trim_filter"

  2900. ffplay_deps="avcodec avformat swscale swresample sdl"

  2901. ffplay_libs='$sdl_libs'

  2902. ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"

  2903. ffprobe_deps="avcodec avformat"

  2904. ffserver_deps="avformat fork sarestart"

  2905. ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"

  2906. 

  2907. # documentation

  2908. podpages_deps="perl"

  2909. manpages_deps="perl pod2man"

  2910. htmlpages_deps="perl"

  2911. htmlpages_deps_any="makeinfo_html texi2html"

  2912. txtpages_deps="perl makeinfo"

  2913. doc_deps_any="manpages htmlpages podpages txtpages"

  2914. 

  2915. # default parameters

  2916. 

  2917. logfile="config.log"

  2918. 

  2919. # installation paths

  2920. prefix_default="/usr/local"

  2921. bindir_default='${prefix}/bin'

  2922. datadir_default='${prefix}/share/ffmpeg'

  2923. docdir_default='${prefix}/share/doc/ffmpeg'

  2924. incdir_default='${prefix}/include'

  2925. libdir_default='${prefix}/lib'

  2926. mandir_default='${prefix}/share/man'

  2927. 

  2928. # toolchain

  2929. ar_default="ar"

  2930. cc_default="gcc"

  2931. cxx_default="g++"

  2932. host_cc_default="gcc"

  2933. cp_f="cp -f"

  2934. doxygen_default="doxygen"

  2935. install="install"

  2936. ln_s="ln -s -f"

  2937. nm_default="nm -g"

  2938. objformat="elf"

  2939. pkg_config_default=pkg-config

  2940. ranlib_default="ranlib"

  2941. strip_default="strip"

  2942. yasmexe_default="yasm"

  2943. windres_default="windres"

  2944. 

  2945. # OS

  2946. target_os_default=$(tolower $(uname -s))

  2947. host_os=$target_os_default

  2948. 

  2949. # machine

  2950. if test "$target_os_default" = aix; then

  2951.     arch_default=$(uname -p)

  2952.     strip_default="strip -X32_64"

  2953. else

  2954.     arch_default=$(uname -m)

  2955. fi

  2956. cpu="generic"

  2957. intrinsics="none"

  2958. 

  2959. # configurable options

  2960. enable $PROGRAM_LIST

  2961. enable $DOCUMENT_LIST

  2962. enable $EXAMPLE_LIST

  2963. enable $(filter_out avresample $LIBRARY_LIST)

  2964. enable stripping

  2965. 

  2966. enable asm

  2967. enable debug

  2968. enable doc

  2969. enable faan faandct faanidct

  2970. enable optimizations

  2971. enable runtime_cpudetect

  2972. enable safe_bitstream_reader

  2973. enable static

  2974. enable swscale_alpha

  2975. enable valgrind_backtrace

  2976. 

  2977. sws_max_filter_size_default=256

  2978. set_default sws_max_filter_size

  2979. 

  2980. # Enable hwaccels by default.

  2981. enable d3d11va dxva2 vaapi vda vdpau videotoolbox xvmc

  2982. enable xlib

  2983. 

  2984. # build settings

  2985. SHFLAGS='-shared -Wl,-soname,$$(@F)'

  2986. LIBPREF="lib"

  2987. LIBSUF=".a"

  2988. FULLNAME='$(NAME)$(BUILDSUF)'

  2989. LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'

  2990. SLIBPREF="lib"

  2991. SLIBSUF=".so"

  2992. SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'

  2993. SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'

  2994. SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'

  2995. LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'

  2996. SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'

  2997. SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'

  2998. 

  2999. asflags_filter=echo

  3000. cflags_filter=echo

  3001. ldflags_filter=echo

  3002. 

  3003. AS_C='-c'

  3004. AS_O='-o $@'

  3005. CC_C='-c'

  3006. CC_E='-E -o $@'

  3007. CC_O='-o $@'

  3008. CXX_C='-c'

  3009. CXX_O='-o $@'

  3010. LD_O='-o $@'

  3011. LD_LIB='-l%'

  3012. LD_PATH='-L'

  3013. HOSTCC_C='-c'

  3014. HOSTCC_E='-E -o $@'

  3015. HOSTCC_O='-o $@'

  3016. HOSTLD_O='-o $@'

  3017. 

  3018. host_libs='-lm'

  3019. host_cflags_filter=echo

  3020. host_ldflags_filter=echo

  3021. 

  3022. target_path='$(CURDIR)'

  3023. 

  3024. # since the object filename is not given with the -MM flag, the compiler

  3025. # is only able to print the basename, and we must add the path ourselves

  3026. DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'

  3027. DEPFLAGS='-MM'

  3028. 

  3029. # find source path

  3030. if test -f configure; then

  3031.     source_path=.

  3032. else

  3033.     source_path=$(cd $(dirname "$0"); pwd)

  3034.     case "$source_path" in

  3035.         *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;

  3036.     esac

  3037.     test -e "$source_path/config.h" &&

  3038.         die "Out of tree builds are impossible with config.h in source dir."

  3039. fi

  3040. 

  3041. for v in "$@"; do

  3042.     r=${v#*=}

  3043.     l=${v%"$r"}

  3044.     r=$(sh_quote "$r")

  3045.     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"

  3046. done

  3047. 

  3048. find_things(){

  3049.     thing=$1

  3050.     pattern=$2

  3051.     file=$source_path/$3

  3052.     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"

  3053. }

  3054. 

  3055. ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)

  3056. DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)

  3057. HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)

  3058. PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)

  3059. BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)

  3060. MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)

  3061. DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)

  3062. OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)

  3063. INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)

  3064. PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)

  3065. FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)

  3066. 

  3067. ALL_COMPONENTS="

  3068.     $BSF_LIST

  3069.     $DECODER_LIST

  3070.     $DEMUXER_LIST

  3071.     $ENCODER_LIST

  3072.     $FILTER_LIST

  3073.     $HWACCEL_LIST

  3074.     $INDEV_LIST

  3075.     $MUXER_LIST

  3076.     $OUTDEV_LIST

  3077.     $PARSER_LIST

  3078.     $PROTOCOL_LIST

  3079. "

  3080. 

  3081. for n in $COMPONENT_LIST; do

  3082.     v=$(toupper ${n%s})_LIST

  3083.     eval enable \$$v

  3084.     eval ${n}_if_any="\$$v"

  3085. done

  3086. 

  3087. enable $ARCH_EXT_LIST

  3088. 

  3089. die_unknown(){

  3090.     echo "Unknown option \"$1\"."

  3091.     echo "See $0 --help for available options."

  3092.     exit 1

  3093. }

  3094. 

  3095. print_in_columns() {

  3096.     cols=$(expr $ncols / 24)

  3097.     cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t

  3098. }

  3099. 

  3100. show_list() {

  3101.     suffix=_$1

  3102.     shift

  3103.     echo $* | sed s/$suffix//g | print_in_columns

  3104.     exit 0

  3105. }

  3106. 

  3107. rand_list(){

  3108.     IFS=', '

  3109.     set -- $*

  3110.     unset IFS

  3111.     for thing; do

  3112.         comp=${thing%:*}

  3113.         prob=${thing#$comp}

  3114.         prob=${prob#:}

  3115.         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST

  3116.         echo "prob ${prob:-0.5}"

  3117.         printf '%s\n' $comp

  3118.     done

  3119. }

  3120. 

  3121. do_random(){

  3122.     action=$1

  3123.     shift

  3124.     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")

  3125.     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")

  3126. }

  3127. 

  3128. for opt do

  3129.     optval="${opt#*=}"

  3130.     case "$opt" in

  3131.         --extra-ldflags=*)

  3132.             add_ldflags $optval

  3133.         ;;

  3134.         --extra-ldexeflags=*)

  3135.             add_ldexeflags $optval

  3136.         ;;

  3137.         --extra-ldlibflags=*)

  3138.             add_ldlibflags $optval

  3139.         ;;

  3140.         --extra-libs=*)

  3141.             add_extralibs $optval

  3142.         ;;

  3143.         --disable-devices)

  3144.             disable $INDEV_LIST $OUTDEV_LIST

  3145.         ;;

  3146.         --enable-debug=*)

  3147.             debuglevel="$optval"

  3148.         ;;

  3149.         --disable-programs)

  3150.             disable $PROGRAM_LIST

  3151.         ;;

  3152.         --disable-everything)

  3153.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3154.         ;;

  3155.         --disable-all)

  3156.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3157.             disable $LIBRARY_LIST $PROGRAM_LIST doc

  3158.             enable avutil

  3159.         ;;

  3160.         --enable-random|--disable-random)

  3161.             action=${opt%%-random}

  3162.             do_random ${action#--} $COMPONENT_LIST

  3163.         ;;

  3164.         --enable-random=*|--disable-random=*)

  3165.             action=${opt%%-random=*}

  3166.             do_random ${action#--} $optval

  3167.         ;;

  3168.         --enable-*=*|--disable-*=*)

  3169.             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')

  3170.             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"

  3171.             eval list=\$$(toupper $thing)_LIST

  3172.             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}

  3173.             list=$(filter "$name" $list)

  3174.             [ "$list" = "" ] && warn "Option $opt did not match anything"

  3175.             $action $list

  3176.         ;;

  3177.         --enable-?*|--disable-?*)

  3178.             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')

  3179.             if is_in $option $COMPONENT_LIST; then

  3180.                 test $action = disable && action=unset

  3181.                 eval $action \$$(toupper ${option%s})_LIST

  3182.             elif is_in $option $CMDLINE_SELECT; then

  3183.                 $action $option

  3184.             else

  3185.                 die_unknown $opt

  3186.             fi

  3187.         ;;

  3188.         --list-*)

  3189.             NAME="${opt#--list-}"

  3190.             is_in $NAME $COMPONENT_LIST || die_unknown $opt

  3191.             NAME=${NAME%s}

  3192.             eval show_list $NAME \$$(toupper $NAME)_LIST

  3193.         ;;

  3194.         --help|-h) show_help

  3195.         ;;

  3196.         --fatal-warnings) enable fatal_warnings

  3197.         ;;

  3198.         *)

  3199.             optname="${opt%%=*}"

  3200.             optname="${optname#--}"

  3201.             optname=$(echo "$optname" | sed 's/-/_/g')

  3202.             if is_in $optname $CMDLINE_SET; then

  3203.                 eval $optname='$optval'

  3204.             elif is_in $optname $CMDLINE_APPEND; then

  3205.                 append $optname "$optval"

  3206.             else

  3207.                 die_unknown $opt

  3208.             fi

  3209.         ;;

  3210.     esac

  3211. done

  3212. 

  3213. for e in $env; do

  3214.     eval "export $e"

  3215. done

  3216. 

  3217. disabled logging && logfile=/dev/null

  3218. 

  3219. # Disable all the library-specific components if the library itself

  3220. # is disabled, see AVCODEC_LIST and following _LIST variables.

  3221. 

  3222. disable_components(){

  3223.     disabled ${1} && disable $(

  3224.         eval components="\$$(toupper ${1})_COMPONENTS"

  3225.         map 'eval echo \${$(toupper ${v%s})_LIST}' $components

  3226.     )

  3227. }

  3228. 

  3229. map 'disable_components $v' $LIBRARY_LIST

  3230. 

  3231. echo "# $0 $FFMPEG_CONFIGURATION" > $logfile

  3232. set >> $logfile

  3233. 

  3234. test -n "$valgrind" && toolchain="valgrind-memcheck"

  3235. 

  3236. case "$toolchain" in

  3237.     clang-asan)

  3238.         cc_default="clang"

  3239.         add_cflags  -fsanitize=address

  3240.         add_ldflags -fsanitize=address

  3241.     ;;

  3242.     clang-tsan)

  3243.         cc_default="clang"

  3244.         add_cflags  -fsanitize=thread -pie

  3245.         add_ldflags -fsanitize=thread -pie

  3246.     ;;

  3247.     clang-usan)

  3248.         cc_default="clang"

  3249.         add_cflags  -fsanitize=undefined

  3250.         add_ldflags -fsanitize=undefined

  3251.     ;;

  3252.     gcc-asan)

  3253.         cc_default="gcc"

  3254.         add_cflags  -fsanitize=address

  3255.         add_ldflags -fsanitize=address

  3256.     ;;

  3257.     gcc-tsan)

  3258.         cc_default="gcc"

  3259.         add_cflags  -fsanitize=thread -pie -fPIC

  3260.         add_ldflags -fsanitize=thread -pie -fPIC

  3261.     ;;

  3262.     gcc-usan)

  3263.         cc_default="gcc"

  3264.         add_cflags  -fsanitize=undefined

  3265.         add_ldflags -fsanitize=undefined

  3266.     ;;

  3267.     valgrind-massif)

  3268.         target_exec_default=${valgrind:-"valgrind"}

  3269.         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"

  3270.     ;;

  3271.     valgrind-memcheck)

  3272.         target_exec_default=${valgrind:-"valgrind"}

  3273.         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"

  3274.     ;;

  3275.     msvc)

  3276.         # Check whether the current MSVC version needs the C99 converter.

  3277.         # From MSVC 2013 (compiler major version 18) onwards, it does actually

  3278.         # support enough of C99 to build ffmpeg. Default to the new

  3279.         # behaviour if the regexp was unable to match anything, since this

  3280.         # successfully parses the version number of existing supported

  3281.         # versions that require the converter (MSVC 2010 and 2012).

  3282.         cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')

  3283.         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then

  3284.             cc_default="cl"

  3285.         else

  3286.             cc_default="c99wrap cl"

  3287.         fi

  3288.         ld_default="$source_path/compat/windows/mslink"

  3289.         nm_default="dumpbin -symbols"

  3290.         ar_default="lib"

  3291.         case "$arch" in

  3292.         arm*)

  3293.             as_default="armasm"

  3294.             ;;

  3295.         esac

  3296.         target_os_default="win32"

  3297.         # Use a relative path for TMPDIR. This makes sure all the

  3298.         # ffconf temp files are written with a relative path, avoiding

  3299.         # issues with msys/win32 path conversion for MSVC parameters

  3300.         # such as -Fo<file> or -out:<file>.

  3301.         TMPDIR=.

  3302.     ;;

  3303.     icl)

  3304.         cc_default="icl"

  3305.         ld_default="xilink"

  3306.         nm_default="dumpbin -symbols"

  3307.         ar_default="xilib"

  3308.         target_os_default="win32"

  3309.         TMPDIR=.

  3310.     ;;

  3311.     gcov)

  3312.         add_cflags  -fprofile-arcs -ftest-coverage

  3313.         add_ldflags -fprofile-arcs -ftest-coverage

  3314.     ;;

  3315.     hardened)

  3316.         add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2

  3317.         add_cflags   -fno-strict-overflow -fstack-protector-all

  3318.         add_ldflags  -Wl,-z,relro -Wl,-z,now

  3319.     ;;

  3320.     ?*)

  3321.         die "Unknown toolchain $toolchain"

  3322.     ;;

  3323. esac

  3324. 

  3325. test -n "$cross_prefix" && enable cross_compile

  3326. 

  3327. if enabled cross_compile; then

  3328.     test -n "$arch" && test -n "$target_os" ||

  3329.         die "Must specify target arch and OS when cross-compiling"

  3330. fi

  3331. 

  3332. ar_default="${cross_prefix}${ar_default}"

  3333. cc_default="${cross_prefix}${cc_default}"

  3334. cxx_default="${cross_prefix}${cxx_default}"

  3335. nm_default="${cross_prefix}${nm_default}"

  3336. pkg_config_default="${cross_prefix}${pkg_config_default}"

  3337. if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then

  3338.     ranlib_default="${cross_prefix}${ranlib_default} -D"

  3339. else

  3340.     ranlib_default="${cross_prefix}${ranlib_default}"

  3341. fi

  3342. strip_default="${cross_prefix}${strip_default}"

  3343. windres_default="${cross_prefix}${windres_default}"

  3344. 

  3345. sysinclude_default="${sysroot}/usr/include"

  3346. 

  3347. set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \

  3348.     target_exec target_os yasmexe

  3349. enabled cross_compile || host_cc_default=$cc

  3350. set_default host_cc

  3351. 

  3352. pkg_config_fail_message=""

  3353. if ! $pkg_config --version >/dev/null 2>&1; then

  3354.     warn "$pkg_config not found, library detection may fail."

  3355.     pkg_config=false

  3356. elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then

  3357.     pkg_config_fail_message="

  3358. Note: When building a static binary, add --pkg-config-flags=\"--static\"."

  3359. fi

  3360. 

  3361. if test $doxygen != $doxygen_default && \

  3362.   ! $doxygen --version >/dev/null 2>&1; then

  3363.     warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."

  3364. fi

  3365. 

  3366. exesuf() {

  3367.     case $1 in

  3368.         mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;

  3369.     esac

  3370. }

  3371. 

  3372. EXESUF=$(exesuf $target_os)

  3373. HOSTEXESUF=$(exesuf $host_os)

  3374. 

  3375. # set temporary file name

  3376. : ${TMPDIR:=$TEMPDIR}

  3377. : ${TMPDIR:=$TMP}

  3378. : ${TMPDIR:=/tmp}

  3379. 

  3380. if [ -n "$tempprefix" ] ; then

  3381.     mktemp(){

  3382.         echo $tempprefix.${HOSTNAME}.${UID}

  3383.     }

  3384. elif ! check_cmd mktemp -u XXXXXX; then

  3385.     # simple replacement for missing mktemp

  3386.     # NOT SAFE FOR GENERAL USE

  3387.     mktemp(){

  3388.         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"

  3389.     }

  3390. fi

  3391. 

  3392. tmpfile(){

  3393.     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&

  3394.         (set -C; exec > $tmp) 2>/dev/null ||

  3395.         die "Unable to create temporary file in $TMPDIR."

  3396.     append TMPFILES $tmp

  3397.     eval $1=$tmp

  3398. }

  3399. 

  3400. trap 'rm -f -- $TMPFILES' EXIT

  3401. 

  3402. tmpfile TMPASM .asm

  3403. tmpfile TMPC   .c

  3404. tmpfile TMPCPP .cpp

  3405. tmpfile TMPE   $EXESUF

  3406. tmpfile TMPH   .h

  3407. tmpfile TMPM   .m

  3408. tmpfile TMPO   .o

  3409. tmpfile TMPS   .S

  3410. tmpfile TMPSH  .sh

  3411. tmpfile TMPV   .ver

  3412. 

  3413. unset -f mktemp

  3414. 

  3415. chmod +x $TMPE

  3416. 

  3417. # make sure we can execute files in $TMPDIR

  3418. cat > $TMPSH 2>> $logfile <<EOF

  3419. #! /bin/sh

  3420. EOF

  3421. chmod +x $TMPSH >> $logfile 2>&1

  3422. if ! $TMPSH >> $logfile 2>&1; then

  3423.     cat <<EOF

  3424. Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment

  3425. variable to another directory and make sure that it is not mounted noexec.

  3426. EOF

  3427.     die "Sanity test failed."

  3428. fi

  3429. 

  3430. armasm_flags(){

  3431.     for flag; do

  3432.         case $flag in

  3433.             # Filter out MSVC cl.exe options from cflags that shouldn't

  3434.             # be passed to gas-preprocessor

  3435.             -M[TD]*)                                            ;;

  3436.             *)                  echo $flag                      ;;

  3437.         esac

  3438.    done

  3439. }

  3440. 

  3441. ccc_flags(){

  3442.     for flag; do

  3443.         case $flag in

  3444.             -std=c99)           echo -c99                       ;;

  3445.             -mcpu=*)            echo -arch ${flag#*=}           ;;

  3446.             -mieee)             echo -ieee                      ;;

  3447.             -O*|-fast)          echo $flag                      ;;

  3448.             -fno-math-errno)    echo -assume nomath_errno       ;;

  3449.             -g)                 echo -g3                        ;;

  3450.             -Wall)              echo -msg_enable level2         ;;

  3451.             -Wno-pointer-sign)  echo -msg_disable ptrmismatch1  ;;

  3452.             -Wl,*)              echo $flag                      ;;

  3453.             -f*|-W*)                                            ;;

  3454.             *)                  echo $flag                      ;;

  3455.         esac

  3456.    done

  3457. }

  3458. 

  3459. cparser_flags(){

  3460.     for flag; do

  3461.         case $flag in

  3462.             -Wno-switch)             echo -Wno-switch-enum ;;

  3463.             -Wno-format-zero-length) ;;

  3464.             -Wdisabled-optimization) ;;

  3465.             -Wno-pointer-sign)       echo -Wno-other ;;

  3466.             *)                       echo $flag ;;

  3467.         esac

  3468.     done

  3469. }

  3470. 

  3471. msvc_common_flags(){

  3472.     for flag; do

  3473.         case $flag in

  3474.             # In addition to specifying certain flags under the compiler

  3475.             # specific filters, they must be specified here as well or else the

  3476.             # generic catch all at the bottom will print the original flag.

  3477.             -Wall)                ;;

  3478.             -std=c99)             ;;

  3479.             # Common flags

  3480.             -fomit-frame-pointer) ;;

  3481.             -g)                   echo -Z7 ;;

  3482.             -fno-math-errno)      ;;

  3483.             -fno-common)          ;;

  3484.             -fno-signed-zeros)    ;;

  3485.             -fPIC)                ;;

  3486.             -mthumb)              ;;

  3487.             -march=*)             ;;

  3488.             -lz)                  echo zlib.lib ;;

  3489.             -lavifil32)           echo vfw32.lib ;;

  3490.             -lavicap32)           echo vfw32.lib user32.lib ;;

  3491.             -l*)                  echo ${flag#-l}.lib ;;

  3492.             -LARGEADDRESSAWARE)   echo $flag ;;

  3493.             -L*)                  echo -libpath:${flag#-L} ;;

  3494.             *)                    echo $flag ;;

  3495.         esac

  3496.     done

  3497. }

  3498. 

  3499. msvc_flags(){

  3500.     msvc_common_flags "$@"

  3501.     for flag; do

  3502.         case $flag in

  3503.             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389     \

  3504.                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \

  3505.                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \

  3506.                                        -wd4307 \

  3507.                                        -wd4273 -wd4554 -wd4701 ;;

  3508.         esac

  3509.     done

  3510. }

  3511. 

  3512. icl_flags(){

  3513.     msvc_common_flags "$@"

  3514.     for flag; do

  3515.         case $flag in

  3516.             # Despite what Intel's documentation says -Wall, which is supported

  3517.             # on Windows, does enable remarks so disable them here.

  3518.             -Wall)                echo $flag -Qdiag-disable:remark ;;

  3519.             -std=c99)             echo -Qstd=c99 ;;

  3520.             -flto)                echo -ipo ;;

  3521.         esac

  3522.     done

  3523. }

  3524. 

  3525. icc_flags(){

  3526.     for flag; do

  3527.         case $flag in

  3528.             -flto)                echo -ipo ;;

  3529.             *)                    echo $flag ;;

  3530.         esac

  3531.     done

  3532. }

  3533. 

  3534. pgi_flags(){

  3535.     for flag; do

  3536.         case $flag in

  3537.             -flto)                echo -Mipa=fast,libopt,libinline,vestigial ;;

  3538.             -fomit-frame-pointer) echo -Mnoframe ;;

  3539.             -g)                   echo -gopt ;;

  3540.             *)                    echo $flag ;;

  3541.         esac

  3542.     done

  3543. }

  3544. 

  3545. suncc_flags(){

  3546.     for flag; do

  3547.         case $flag in

  3548.             -march=*|-mcpu=*)

  3549.                 case "${flag#*=}" in

  3550.                     native)                   echo -xtarget=native       ;;

  3551.                     v9|niagara)               echo -xarch=sparc          ;;

  3552.                     ultrasparc)               echo -xarch=sparcvis       ;;

  3553.                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;

  3554.                     i586|pentium)             echo -xchip=pentium        ;;

  3555.                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;

  3556.                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;

  3557.                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;

  3558.                     pentium4*)          echo -xtarget=pentium4           ;;

  3559.                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;

  3560.                     *-sse3)             echo -xarch=sse3                 ;;

  3561.                     core2)              echo -xarch=ssse3 -xchip=core2   ;;

  3562.                     bonnell)                   echo -xarch=ssse3         ;;

  3563.                     corei7|nehalem)            echo -xtarget=nehalem     ;;

  3564.                     westmere)                  echo -xtarget=westmere    ;;

  3565.                     silvermont)                echo -xarch=sse4_2        ;;

  3566.                     corei7-avx|sandybridge)    echo -xtarget=sandybridge ;;

  3567.                     core-avx*|ivybridge|haswell|broadwell)

  3568.                                                echo -xarch=avx           ;;

  3569.                     amdfam10|barcelona)        echo -xtarget=barcelona   ;;

  3570.                     btver1)                    echo -xarch=amdsse4a      ;;

  3571.                     btver2|bdver*)             echo -xarch=avx           ;;

  3572.                     athlon-4|athlon-[mx]p)     echo -xarch=ssea          ;;

  3573.                     k8|opteron|athlon64|athlon-fx)

  3574.                                                echo -xarch=sse2a         ;;

  3575.                     athlon*)                   echo -xarch=pentium_proa  ;;

  3576.                 esac

  3577.                 ;;

  3578.             -std=c99)             echo -xc99              ;;

  3579.             -fomit-frame-pointer) echo -xregs=frameptr    ;;

  3580.             -fPIC)                echo -KPIC -xcode=pic32 ;;

  3581.             -W*,*)                echo $flag              ;;

  3582.             -f*-*|-W*|-mimpure-text)                      ;;

  3583.             -shared)              echo -G                 ;;

  3584.             *)                    echo $flag              ;;

  3585.         esac

  3586.     done

  3587. }

  3588. 

  3589. tms470_flags(){

  3590.     for flag; do

  3591.         case $flag in

  3592.             -march=*|-mcpu=*)

  3593.                 case "${flag#*=}" in

  3594.                     armv7-a|cortex-a*)      echo -mv=7a8 ;;

  3595.                     armv7-r|cortex-r*)      echo -mv=7r4 ;;

  3596.                     armv7-m|cortex-m*)      echo -mv=7m3 ;;

  3597.                     armv6*|arm11*)          echo -mv=6   ;;

  3598.                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])

  3599.                                             echo -mv=5e  ;;

  3600.                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;

  3601.                 esac

  3602.                 ;;

  3603.             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;

  3604.             -mfpu=vfp)      echo --float_support=vfpv2        ;;

  3605.             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;

  3606.             -mfpu=vfpv3-d16) echo --float_support=vfpv3d16    ;;

  3607.             -msoft-float)   echo --float_support=vfplib       ;;

  3608.             -O[0-3]|-mf=*)  echo $flag                        ;;

  3609.             -g)             echo -g -mn                       ;;

  3610.             -pds=*)         echo $flag                        ;;

  3611.             -D*|-I*)        echo $flag                        ;;

  3612.             --gcc|--abi=*)  echo $flag                        ;;

  3613.             -me)            echo $flag                        ;;

  3614.         esac

  3615.     done

  3616. }

  3617. 

  3618. probe_cc(){

  3619.     pfx=$1

  3620.     _cc=$2

  3621.     first=$3

  3622. 

  3623.     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags

  3624.     unset _ld_o _ldflags _ld_lib _ld_path

  3625.     unset _depflags _DEPCMD _DEPFLAGS

  3626.     _flags_filter=echo

  3627. 

  3628.     if $_cc --version 2>&1 | grep -q '^GNU assembler'; then

  3629.         true # no-op to avoid reading stdin in following checks

  3630.     elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then

  3631.         _type=llvm_gcc

  3632.         gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')

  3633.         _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"

  3634.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3635.         _cflags_speed='-O3'

  3636.         _cflags_size='-Os'

  3637.     elif $_cc -v 2>&1 | grep -qi ^gcc; then

  3638.         _type=gcc

  3639.         gcc_version=$($_cc --version | head -n1)

  3640.         gcc_basever=$($_cc -dumpversion)

  3641.         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')

  3642.         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")

  3643.         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")

  3644.         case $gcc_basever in

  3645.             2*) ;;

  3646.             *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;

  3647.         esac

  3648.         if [ "$first" = true ]; then

  3649.             case $gcc_basever in

  3650.                 4.2*)

  3651.                 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;

  3652.             esac

  3653.         fi

  3654.         _cflags_speed='-O3'

  3655.         _cflags_size='-Os'

  3656.     elif $_cc --version 2>/dev/null | grep -q ^icc; then

  3657.         _type=icc

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

  3659.         _depflags='-MMD'

  3660.         _cflags_speed='-O3'

  3661.         _cflags_size='-Os'

  3662.         _cflags_noopt='-O1'

  3663.         _flags_filter=icc_flags

  3664.     elif $_cc -v 2>&1 | grep -q xlc; then

  3665.         _type=xlc

  3666.         _ident=$($_cc -qversion 2>/dev/null | head -n1)

  3667.         _cflags_speed='-O5'

  3668.         _cflags_size='-O5 -qcompact'

  3669.     elif $_cc -V 2>/dev/null | grep -q Compaq; then

  3670.         _type=ccc

  3671.         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)

  3672.         _DEPFLAGS='-M'

  3673.         _cflags_speed='-fast'

  3674.         _cflags_size='-O1'

  3675.         _flags_filter=ccc_flags

  3676.     elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then

  3677.         test -d "$sysroot" || die "No valid sysroot specified."

  3678.         _type=armcc

  3679.         _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')

  3680.         armcc_conf="$PWD/armcc.conf"

  3681.         $_cc --arm_linux_configure                 \

  3682.              --arm_linux_config_file="$armcc_conf" \

  3683.              --configure_sysroot="$sysroot"        \

  3684.              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||

  3685.              die "Error creating armcc configuration file."

  3686.         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc

  3687.         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"

  3688.         as_default="${cross_prefix}gcc"

  3689.         _depflags='-MMD'

  3690.         _cflags_speed='-O3'

  3691.         _cflags_size='-Os'

  3692.     elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then

  3693.         _type=tms470

  3694.         _ident=$($_cc -version | head -n1 | tr -s ' ')

  3695.         _flags='--gcc --abi=eabi -me'

  3696.         _cc_e='-ppl -fe=$@'

  3697.         _cc_o='-fe=$@'

  3698.         _depflags='-ppa -ppd=$(@:.o=.d)'

  3699.         _cflags_speed='-O3 -mf=5'

  3700.         _cflags_size='-O3 -mf=2'

  3701.         _flags_filter=tms470_flags

  3702.     elif $_cc -v 2>&1 | grep -q clang; then

  3703.         _type=clang

  3704.         _ident=$($_cc --version 2>/dev/null | head -n1)

  3705.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3706.         _cflags_speed='-O3'

  3707.         _cflags_size='-Os'

  3708.     elif $_cc -V 2>&1 | grep -q Sun; then

  3709.         _type=suncc

  3710.         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)

  3711.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'

  3712.         _DEPFLAGS='-xM1 -xc99'

  3713.         _ldflags='-std=c99'

  3714.         _cflags_speed='-O5'

  3715.         _cflags_size='-O5 -xspace'

  3716.         _flags_filter=suncc_flags

  3717.     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then

  3718.         _type=pathscale

  3719.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  3720.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3721.         _cflags_speed='-O2'

  3722.         _cflags_size='-Os'

  3723.         _flags_filter='filter_out -Wdisabled-optimization'

  3724.     elif $_cc -v 2>&1 | grep -q Open64; then

  3725.         _type=open64

  3726.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

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

  3728.         _cflags_speed='-O2'

  3729.         _cflags_size='-Os'

  3730.         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'

  3731.     elif $_cc -V 2>&1 | grep -q Portland; then

  3732.         _type=pgi

  3733.         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"

  3734.         opt_common='-alias=ansi -Mdse -Mlre -Mpre'

  3735.         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"

  3736.         _cflags_size="-O2 -Munroll=c:1 $opt_common"

  3737.         _cflags_noopt="-O"

  3738.         _flags_filter=pgi_flags

  3739.     elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then

  3740.         _type=armasm

  3741.         _ident=$($_cc | head -n1)

  3742.         # 4509: "This form of conditional instruction is deprecated"

  3743.         _flags="-nologo -ignore 4509"

  3744.         _flags_filter=armasm_flags

  3745.     elif $_cc 2>&1 | grep -q Intel; then

  3746.         _type=icl

  3747.         _ident=$($_cc 2>&1 | head -n1)

  3748.         _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'

  3749.         # Not only is O3 broken on 13.x+ but it is slower on all previous

  3750.         # versions (tested) as well.

  3751.         _cflags_speed="-O2"

  3752.         _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff

  3753.         if $_cc 2>&1 | grep -q Linker; then

  3754.             _ld_o='-out:$@'

  3755.         else

  3756.             _ld_o='-Fe$@'

  3757.         fi

  3758.         _cc_o='-Fo$@'

  3759.         _cc_e='-P'

  3760.         _flags_filter=icl_flags

  3761.         _ld_lib='lib%.a'

  3762.         _ld_path='-libpath:'

  3763.         # -Qdiag-error to make icl error when seeing certain unknown arguments

  3764.         _flags='-nologo -Qdiag-error:4044,10157'

  3765.         # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency

  3766.         # with MSVC which enables it by default.

  3767.         _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS -fp:precise'

  3768.         disable stripping

  3769.     elif $_cc -nologo- 2>&1 | grep -q Microsoft; then

  3770.         _type=msvc

  3771.         _ident=$($_cc 2>&1 | head -n1)

  3772.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'

  3773.         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'

  3774.         _cflags_speed="-O2"

  3775.         _cflags_size="-O1"

  3776.         if $_cc -nologo- 2>&1 | grep -q Linker; then

  3777.             _ld_o='-out:$@'

  3778.         else

  3779.             _ld_o='-Fe$@'

  3780.         fi

  3781.         _cc_o='-Fo$@'

  3782.         _cc_e='-P -Fi$@'

  3783.         _flags_filter=msvc_flags

  3784.         _ld_lib='lib%.a'

  3785.         _ld_path='-libpath:'

  3786.         _flags='-nologo'

  3787.         _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS'

  3788.         disable stripping

  3789.     elif $_cc --version 2>/dev/null | grep -q ^cparser; then

  3790.         _type=cparser

  3791.         _ident=$($_cc --version | head -n1)

  3792.         _depflags='-MMD'

  3793.         _cflags_speed='-O4'

  3794.         _cflags_size='-O2'

  3795.         _flags_filter=cparser_flags

  3796.     fi

  3797. 

  3798.     eval ${pfx}_type=\$_type

  3799.     eval ${pfx}_ident=\$_ident

  3800. }

  3801. 

  3802. set_ccvars(){

  3803.     eval ${1}_C=\${_cc_c-\${${1}_C}}

  3804.     eval ${1}_E=\${_cc_e-\${${1}_E}}

  3805.     eval ${1}_O=\${_cc_o-\${${1}_O}}

  3806. 

  3807.     if [ -n "$_depflags" ]; then

  3808.         eval ${1}_DEPFLAGS=\$_depflags

  3809.     else

  3810.         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}

  3811.         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}

  3812.         eval DEP${1}FLAGS=\$_flags

  3813.     fi

  3814. }

  3815. 

  3816. probe_cc cc "$cc" "true"

  3817. cflags_filter=$_flags_filter

  3818. cflags_speed=$_cflags_speed

  3819. cflags_size=$_cflags_size

  3820. cflags_noopt=$_cflags_noopt

  3821. add_cflags $_flags $_cflags

  3822. cc_ldflags=$_ldflags

  3823. set_ccvars CC

  3824. 

  3825. probe_cc hostcc "$host_cc"

  3826. host_cflags_filter=$_flags_filter

  3827. add_host_cflags  $_flags $_cflags

  3828. set_ccvars HOSTCC

  3829. 

  3830. test -n "$cc_type" && enable $cc_type ||

  3831.     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"

  3832. 

  3833. : ${as_default:=$cc}

  3834. : ${dep_cc_default:=$cc}

  3835. : ${ld_default:=$cc}

  3836. : ${host_ld_default:=$host_cc}

  3837. set_default ar as dep_cc ld host_ld windres

  3838. 

  3839. probe_cc as "$as"

  3840. asflags_filter=$_flags_filter

  3841. add_asflags $_flags $_cflags

  3842. set_ccvars AS

  3843. 

  3844. probe_cc ld "$ld"

  3845. ldflags_filter=$_flags_filter

  3846. add_ldflags $_flags $_ldflags

  3847. test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags

  3848. LD_O=${_ld_o-$LD_O}

  3849. LD_LIB=${_ld_lib-$LD_LIB}

  3850. LD_PATH=${_ld_path-$LD_PATH}

  3851. 

  3852. probe_cc hostld "$host_ld"

  3853. host_ldflags_filter=$_flags_filter

  3854. add_host_ldflags $_flags $_ldflags

  3855. HOSTLD_O=${_ld_o-$HOSTLD_O}

  3856. 

  3857. if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then

  3858.     probe_cc depcc "$dep_cc"

  3859.     CCDEP=${_DEPCMD:-$DEPCMD}

  3860.     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}

  3861.     DEPCCFLAGS=$_flags

  3862. fi

  3863. 

  3864. if $ar 2>&1 | grep -q Microsoft; then

  3865.     arflags="-nologo"

  3866.     ar_o='-out:$@'

  3867. elif $ar 2>&1 | grep -q 'Texas Instruments'; then

  3868.     arflags="rq"

  3869.     ar_o='$@'

  3870. elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then

  3871.     arflags='-Xany -r -c'

  3872.     ar_o='$@'

  3873. elif $ar 2>&1 | grep -q "\[D\] "; then

  3874.     arflags="rcD"

  3875.     ar_o='$@'

  3876. else

  3877.     arflags="rc"

  3878.     ar_o='$@'

  3879. fi

  3880. 

  3881. add_cflags $extra_cflags

  3882. add_cxxflags $extra_cxxflags

  3883. add_asflags $extra_cflags

  3884. 

  3885. if test -n "$sysroot"; then

  3886.     case "$cc_type" in

  3887.         gcc|llvm_gcc|clang)

  3888.             add_cppflags --sysroot="$sysroot"

  3889.             add_ldflags --sysroot="$sysroot"

  3890. # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking

  3891.             add_cppflags -isysroot "$sysroot"

  3892.             add_ldflags -isysroot "$sysroot"

  3893.         ;;

  3894.         tms470)

  3895.             add_cppflags -I"$sysinclude"

  3896.             add_ldflags  --sysroot="$sysroot"

  3897.         ;;

  3898.     esac

  3899. fi

  3900. 

  3901. if test "$cpu" = host; then

  3902.     enabled cross_compile &&

  3903.         die "--cpu=host makes no sense when cross-compiling."

  3904. 

  3905.     case "$cc_type" in

  3906.         gcc|llvm_gcc)

  3907.             check_native(){

  3908.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  3909.                 sed -n "/cc1.*$1=/{

  3910.                             s/.*$1=\\([^ ]*\\).*/\\1/

  3911.                             p

  3912.                             q

  3913.                         }" $TMPE

  3914.             }

  3915.             cpu=$(check_native -march || check_native -mcpu)

  3916.         ;;

  3917.     esac

  3918. 

  3919.     test "${cpu:-host}" = host &&

  3920.         die "--cpu=host not supported with compiler $cc"

  3921. fi

  3922. 

  3923. # Deal with common $arch aliases

  3924. case "$arch" in

  3925.     aarch64|arm64)

  3926.         arch="aarch64"

  3927.     ;;

  3928.     arm*|iPad*|iPhone*)

  3929.         arch="arm"

  3930.     ;;

  3931.     mips*|IP*)

  3932.         arch="mips"

  3933.     ;;

  3934.     parisc*|hppa*)

  3935.         arch="parisc"

  3936.     ;;

  3937.     "Power Macintosh"|ppc*|powerpc*)

  3938.         arch="ppc"

  3939.     ;;

  3940.     s390|s390x)

  3941.         arch="s390"

  3942.     ;;

  3943.     sh4|sh)

  3944.         arch="sh4"

  3945.     ;;

  3946.     sun4u|sparc*)

  3947.         arch="sparc"

  3948.     ;;

  3949.     tilegx|tile-gx)

  3950.         arch="tilegx"

  3951.     ;;

  3952.     i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)

  3953.         arch="x86"

  3954.     ;;

  3955. esac

  3956. 

  3957. is_in $arch $ARCH_LIST || warn "unknown architecture $arch"

  3958. enable $arch

  3959. 

  3960. # Add processor-specific flags

  3961. if enabled aarch64; then

  3962. 

  3963.     case $cpu in

  3964.         armv*)

  3965.             cpuflags="-march=$cpu"

  3966.         ;;

  3967.         *)

  3968.             cpuflags="-mcpu=$cpu"

  3969.         ;;

  3970.     esac

  3971. 

  3972. elif enabled alpha; then

  3973. 

  3974.     cpuflags="-mcpu=$cpu"

  3975. 

  3976. elif enabled arm; then

  3977. 

  3978.     check_arm_arch() {

  3979.         check_cpp_condition stddef.h \

  3980.             "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \

  3981.             $cpuflags

  3982.     }

  3983. 

  3984.     probe_arm_arch() {

  3985.         if   check_arm_arch 4;        then echo armv4;

  3986.         elif check_arm_arch 4T;       then echo armv4t;

  3987.         elif check_arm_arch 5;        then echo armv5;

  3988.         elif check_arm_arch 5E;       then echo armv5e;

  3989.         elif check_arm_arch 5T;       then echo armv5t;

  3990.         elif check_arm_arch 5TE;      then echo armv5te;

  3991.         elif check_arm_arch 5TEJ;     then echo armv5te;

  3992.         elif check_arm_arch 6;        then echo armv6;

  3993.         elif check_arm_arch 6J;       then echo armv6j;

  3994.         elif check_arm_arch 6K;       then echo armv6k;

  3995.         elif check_arm_arch 6Z;       then echo armv6z;

  3996.         elif check_arm_arch 6ZK;      then echo armv6zk;

  3997.         elif check_arm_arch 6T2;      then echo armv6t2;

  3998.         elif check_arm_arch 7;        then echo armv7;

  3999.         elif check_arm_arch 7A  7_A;  then echo armv7-a;

  4000.         elif check_arm_arch 7S;       then echo armv7-a;

  4001.         elif check_arm_arch 7R  7_R;  then echo armv7-r;

  4002.         elif check_arm_arch 7M  7_M;  then echo armv7-m;

  4003.         elif check_arm_arch 7EM 7E_M; then echo armv7-m;

  4004.         elif check_arm_arch 8A  8_A;  then echo armv8-a;

  4005.         fi

  4006.     }

  4007. 

  4008.     [ "$cpu" = generic ] && cpu=$(probe_arm_arch)

  4009. 

  4010.     case $cpu in

  4011.         armv*)

  4012.             cpuflags="-march=$cpu"

  4013.             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')

  4014.         ;;

  4015.         *)

  4016.             cpuflags="-mcpu=$cpu"

  4017.             case $cpu in

  4018.                 cortex-a*)                               subarch=armv7a  ;;

  4019.                 cortex-r*)                               subarch=armv7r  ;;

  4020.                 cortex-m*)                 enable thumb; subarch=armv7m  ;;

  4021.                 arm11*)                                  subarch=armv6   ;;

  4022.                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;

  4023.                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;

  4024.                 *)                             subarch=$(probe_arm_arch) ;;

  4025.             esac

  4026.         ;;

  4027.     esac

  4028. 

  4029.     case "$subarch" in

  4030.         armv5t*)    enable fast_clz                ;;

  4031.         armv[6-8]*)

  4032.             enable fast_clz

  4033.             disabled fast_unaligned || enable fast_unaligned

  4034.             ;;

  4035.     esac

  4036. 

  4037. elif enabled avr32; then

  4038. 

  4039.     case $cpu in

  4040.         ap7[02]0[0-2])

  4041.             subarch="avr32_ap"

  4042.             cpuflags="-mpart=$cpu"

  4043.         ;;

  4044.         ap)

  4045.             subarch="avr32_ap"

  4046.             cpuflags="-march=$cpu"

  4047.         ;;

  4048.         uc3[ab]*)

  4049.             subarch="avr32_uc"

  4050.             cpuflags="-mcpu=$cpu"

  4051.         ;;

  4052.         uc)

  4053.             subarch="avr32_uc"

  4054.             cpuflags="-march=$cpu"

  4055.         ;;

  4056.     esac

  4057. 

  4058. elif enabled bfin; then

  4059. 

  4060.     cpuflags="-mcpu=$cpu"

  4061. 

  4062. elif enabled mips; then

  4063. 

  4064.     cpuflags="-march=$cpu"

  4065. 

  4066.     case $cpu in

  4067.         24kc)

  4068.             disable mips32r5

  4069.             disable mips64r6

  4070.             disable mipsfpu

  4071.             disable mipsdspr1

  4072.             disable mipsdspr2

  4073.             disable msa

  4074.         ;;

  4075.         24kf*)

  4076.             disable mips32r5

  4077.             disable mips64r6

  4078.             disable mipsdspr1

  4079.             disable mipsdspr2

  4080.             disable msa

  4081.         ;;

  4082.         24kec|34kc|1004kc)

  4083.             disable mips32r5

  4084.             disable mips64r6

  4085.             disable mipsfpu

  4086.             disable mipsdspr2

  4087.             disable msa

  4088.         ;;

  4089.         24kef*|34kf*|1004kf*)

  4090.             disable mips32r5

  4091.             disable mips64r6

  4092.             disable mipsdspr2

  4093.             disable msa

  4094.         ;;

  4095.         74kc)

  4096.             disable mips32r5

  4097.             disable mips64r6

  4098.             disable mipsfpu

  4099.             disable msa

  4100.         ;;

  4101.         74kf)

  4102.             disable mips32r5

  4103.             disable mips64r6

  4104.             disable msa

  4105.         ;;

  4106.         p5600)

  4107.             disable mips64r6

  4108.             disable mipsdspr1

  4109.             disable mipsdspr2

  4110. 

  4111.             check_cflags "-mtune=p5600"

  4112.         ;;

  4113.         i6400)

  4114.             disable mips32r5

  4115.             disable mipsdspr1

  4116.             disable mipsdspr2

  4117.             disable mipsfpu

  4118. 

  4119.             check_cflags "-mtune=i6400 -mabi=64"

  4120.             check_ldflags "-mabi=64"

  4121.         ;;

  4122.         loongson*)

  4123.             disable mipsfpu

  4124.             disable mips32r2

  4125.             disable mips32r5

  4126.             disable mips64r6

  4127.             disable mipsdspr1

  4128.             disable mipsdspr2

  4129.             disable msa

  4130.             enable local_aligned_8 local_aligned_16 local_aligned_32

  4131.             enable simd_align_16

  4132.             enable fast_64bit

  4133.             enable fast_clz

  4134.             enable fast_cmov

  4135.             enable fast_unaligned

  4136.             disable aligned_stack

  4137.             case $cpu in

  4138.                 loongson3*)

  4139.                     cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"

  4140.                 ;;

  4141.                 loongson2e)

  4142.                     cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"

  4143.                 ;;

  4144.                 loongson2f)

  4145.                     cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"

  4146.                 ;;

  4147.             esac

  4148.         ;;

  4149.         generic)

  4150.             disable mips32r5

  4151.             disable mips64r6

  4152.             disable msa

  4153.         ;;

  4154.         *)

  4155.             disable mipsfpu

  4156.             disable mips32r2

  4157.             disable mips32r5

  4158.             disable mips64r6

  4159.             disable mipsdspr1

  4160.             disable mipsdspr2

  4161.             disable msa

  4162.         ;;

  4163.     esac

  4164. 

  4165. elif enabled ppc; then

  4166. 

  4167.     disable ldbrx

  4168. 

  4169.     case $(tolower $cpu) in

  4170.         601|ppc601|powerpc601)

  4171.             cpuflags="-mcpu=601"

  4172.             disable altivec

  4173.         ;;

  4174.         603*|ppc603*|powerpc603*)

  4175.             cpuflags="-mcpu=603"

  4176.             disable altivec

  4177.         ;;

  4178.         604*|ppc604*|powerpc604*)

  4179.             cpuflags="-mcpu=604"

  4180.             disable altivec

  4181.         ;;

  4182.         g3|75*|ppc75*|powerpc75*)

  4183.             cpuflags="-mcpu=750"

  4184.             disable altivec

  4185.         ;;

  4186.         g4|745*|ppc745*|powerpc745*)

  4187.             cpuflags="-mcpu=7450"

  4188.             disable vsx

  4189.         ;;

  4190.         74*|ppc74*|powerpc74*)

  4191.             cpuflags="-mcpu=7400"

  4192.             disable vsx

  4193.         ;;

  4194.         g5|970|ppc970|powerpc970)

  4195.             cpuflags="-mcpu=970"

  4196.             disable vsx

  4197.         ;;

  4198.         power[3-6]*)

  4199.             cpuflags="-mcpu=$cpu"

  4200.             disable vsx

  4201.         ;;

  4202.         power[7-8]*)

  4203.             cpuflags="-mcpu=$cpu"

  4204.         ;;

  4205.         cell)

  4206.             cpuflags="-mcpu=cell"

  4207.             enable ldbrx

  4208.             disable vsx

  4209.         ;;

  4210.         e500mc)

  4211.             cpuflags="-mcpu=e500mc"

  4212.             disable altivec

  4213.         ;;

  4214.         e500v2)

  4215.             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"

  4216.             disable altivec

  4217.             disable dcbzl

  4218.         ;;

  4219.         e500)

  4220.             cpuflags="-mcpu=8540 -mhard-float"

  4221.             disable altivec

  4222.             disable dcbzl

  4223.         ;;

  4224.     esac

  4225. 

  4226. elif enabled sparc; then

  4227. 

  4228.     case $cpu in

  4229.         cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])

  4230.             cpuflags="-mcpu=$cpu"

  4231.         ;;

  4232.         ultrasparc*|niagara[234])

  4233.             cpuflags="-mcpu=$cpu"

  4234.         ;;

  4235.     esac

  4236. 

  4237. elif enabled x86; then

  4238. 

  4239.     case $cpu in

  4240.         i[345]86|pentium)

  4241.             cpuflags="-march=$cpu"

  4242.             disable i686

  4243.             disable mmx

  4244.         ;;

  4245.         # targets that do NOT support nopl and conditional mov (cmov)

  4246.         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)

  4247.             cpuflags="-march=$cpu"

  4248.             disable i686

  4249.         ;;

  4250.         # targets that do support nopl and conditional mov (cmov)

  4251.         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\

  4252.         |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)

  4253.             cpuflags="-march=$cpu"

  4254.             enable i686

  4255.             enable fast_cmov

  4256.         ;;

  4257.         # targets that do support conditional mov but on which it's slow

  4258.         pentium4|pentium4m|prescott|nocona)

  4259.             cpuflags="-march=$cpu"

  4260.             enable i686

  4261.             disable fast_cmov

  4262.         ;;

  4263.     esac

  4264. 

  4265. fi

  4266. 

  4267. if [ "$cpu" != generic ]; then

  4268.     add_cflags  $cpuflags

  4269.     add_asflags $cpuflags

  4270.     test "$cc_type" = "$ld_type" && add_ldflags $cpuflags

  4271. fi

  4272. 

  4273. # compiler sanity check

  4274. check_exec <<EOF

  4275. int main(void){ return 0; }

  4276. EOF

  4277. if test "$?" != 0; then

  4278.     echo "$cc is unable to create an executable file."

  4279.     if test -z "$cross_prefix" && ! enabled cross_compile ; then

  4280.         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."

  4281.         echo "Only do this if you know what cross compiling means."

  4282.     fi

  4283.     die "C compiler test failed."

  4284. fi

  4285. 

  4286. add_cppflags -D_ISOC99_SOURCE

  4287. add_cxxflags -D__STDC_CONSTANT_MACROS

  4288. check_cflags -std=c99

  4289. check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64

  4290. #include <stdlib.h>

  4291. EOF

  4292. check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE

  4293. #include <stdlib.h>

  4294. EOF

  4295. 

  4296. add_host_cppflags -D_ISOC99_SOURCE

  4297. check_host_cflags -std=c99

  4298. check_host_cflags -Wall

  4299. check_host_cflags -O3

  4300. 

  4301. check_64bit(){

  4302.     arch32=$1

  4303.     arch64=$2

  4304.     expr=$3

  4305.     check_code cc "" "int test[2*($expr) - 1]" &&

  4306.         subarch=$arch64 || subarch=$arch32

  4307. }

  4308. 

  4309. case "$arch" in

  4310.     aarch64|alpha|ia64)

  4311.         spic=$shared

  4312.     ;;

  4313.     mips)

  4314.         check_64bit mips mips64 '_MIPS_SIM > 1'

  4315.         spic=$shared

  4316.     ;;

  4317.     parisc)

  4318.         check_64bit parisc parisc64 'sizeof(void *) > 4'

  4319.         spic=$shared

  4320.     ;;

  4321.     ppc)

  4322.         check_64bit ppc ppc64 'sizeof(void *) > 4'

  4323.         spic=$shared

  4324.     ;;

  4325.     s390)

  4326.         check_64bit s390 s390x 'sizeof(void *) > 4'

  4327.         spic=$shared

  4328.     ;;

  4329.     sparc)

  4330.         check_64bit sparc sparc64 'sizeof(void *) > 4'

  4331.         spic=$shared

  4332.     ;;

  4333.     x86)

  4334.         check_64bit x86_32 x86_64 'sizeof(void *) > 4'

  4335.         # Treat x32 as x64 for now. Note it also needs spic=$shared

  4336.         test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&

  4337.             subarch=x86_64

  4338.         if test "$subarch" = "x86_64"; then

  4339.             spic=$shared

  4340.         fi

  4341.     ;;

  4342.     ppc)

  4343.         check_cc <<EOF && subarch="ppc64"

  4344.         int test[(int)sizeof(char*) - 7];

  4345. EOF

  4346.     ;;

  4347. esac

  4348. 

  4349. enable $subarch

  4350. enabled spic && enable_weak pic

  4351. 

  4352. # OS specific

  4353. case $target_os in

  4354.     aix)

  4355.         SHFLAGS=-shared

  4356.         add_cppflags '-I\$(SRC_PATH)/compat/aix'

  4357.         enabled shared && add_ldflags -Wl,-brtl

  4358.         ;;

  4359.     android)

  4360.         disable symver

  4361.         enable section_data_rel_ro

  4362.         SLIB_INSTALL_NAME='$(SLIBNAME)'

  4363.         SLIB_INSTALL_LINKS=

  4364.         SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'

  4365.         ;;

  4366.     haiku)

  4367.         prefix_default="/boot/common"

  4368.         network_extralibs="-lnetwork"

  4369.         host_libs=

  4370.         ;;

  4371.     sunos)

  4372.         SHFLAGS='-shared -Wl,-h,$$(@F)'

  4373.         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"

  4374.         network_extralibs="-lsocket -lnsl"

  4375.         add_cppflags -D__EXTENSIONS__

  4376.         # When using suncc to build, the Solaris linker will mark

  4377.         # an executable with each instruction set encountered by

  4378.         # the Solaris assembler.  As our libraries contain their own

  4379.         # guards for processor-specific code, instead suppress

  4380.         # generation of the HWCAPS ELF section on Solaris x86 only.

  4381.         enabled_all suncc x86 &&

  4382.             echo "hwcap_1 = OVERRIDE;" > mapfile &&

  4383.             add_ldflags -Wl,-M,mapfile

  4384.         nm_default='nm -P -g'

  4385.         SLIB_CREATE_DEF_CMD='$(Q)perl $(SRC_PATH)/compat/solaris/make_sunver.pl $$(filter %.ver,$$^) $(OBJS) | grep -v @ > $(SUBDIR)lib$(NAME).ver-sol2'

  4386.         ;;

  4387.     netbsd)

  4388.         disable symver

  4389.         oss_indev_extralibs="-lossaudio"

  4390.         oss_outdev_extralibs="-lossaudio"

  4391.         enabled gcc || check_ldflags -Wl,-zmuldefs

  4392.         ;;

  4393.     openbsd|bitrig)

  4394.         disable symver

  4395.         SHFLAGS='-shared'

  4396.         SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'

  4397.         SLIB_INSTALL_LINKS=

  4398.         oss_indev_extralibs="-lossaudio"

  4399.         oss_outdev_extralibs="-lossaudio"

  4400.         ;;

  4401.     dragonfly)

  4402.         disable symver

  4403.         ;;

  4404.     freebsd)

  4405.         ;;

  4406.     bsd/os)

  4407.         add_extralibs -lpoll -lgnugetopt

  4408.         strip="strip -d"

  4409.         ;;

  4410.     darwin)

  4411.         enabled ppc && add_asflags -force_cpusubtype_ALL

  4412.         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'

  4413.         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress

  4414.         strip="${strip} -x"

  4415.         add_ldflags -Wl,-dynamic,-search_paths_first

  4416.         SLIBSUF=".dylib"

  4417.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'

  4418.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'

  4419.         objformat="macho"

  4420.         enabled x86_64 && objformat="macho64"

  4421.         enabled_any pic shared x86_64 ||

  4422.             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }

  4423.         ;;

  4424.     msys*)

  4425.         die "Native MSYS builds are discouraged, please use the MINGW environment.";

  4426.         ;;

  4427.     mingw32*|mingw64*)

  4428.         if test $target_os = "mingw32ce"; then

  4429.             disable network

  4430.         else

  4431.             target_os=mingw32

  4432.         fi

  4433.         decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"

  4434.         decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"

  4435.         LIBTARGET=i386

  4436.         if enabled x86_64; then

  4437.             LIBTARGET="i386:x86-64"

  4438.         elif enabled arm; then

  4439.             LIBTARGET=arm-wince

  4440.         fi

  4441.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4442.         enabled x86_32 && check_ldflags -Wl,--large-address-aware

  4443.         shlibdir_default="$bindir_default"

  4444.         SLIBPREF=""

  4445.         SLIBSUF=".dll"

  4446.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4447.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4448.         dlltool="${cross_prefix}dlltool"

  4449.         if check_cmd lib.exe -list; then

  4450.             SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4451.             if enabled x86_64; then

  4452.                 LIBTARGET=x64

  4453.             fi

  4454.         elif check_cmd $dlltool --version; then

  4455.             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)'

  4456.         fi

  4457.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4458.         SLIB_INSTALL_LINKS=

  4459.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4460.         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4461.         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'

  4462.         objformat="win32"

  4463.         ranlib=:

  4464.         enable dos_paths

  4465.         check_ldflags -Wl,--nxcompat,--dynamicbase

  4466.         # Lets work around some stupidity in binutils.

  4467.         # ld will strip relocations from executables even though we need them

  4468.         # for dynamicbase (ASLR).  Using -pie does retain the reloc section

  4469.         # however ld then forgets what the entry point should be (oops) so we

  4470.         # have to manually (re)set it.

  4471.         if enabled x86_32; then

  4472.             add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup

  4473.         elif enabled x86_64; then

  4474.             add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup

  4475.             check_ldflags -Wl,--high-entropy-va # binutils 2.25

  4476.             # Set image base >4GB for extra entropy with HEASLR

  4477.             add_ldexeflags -Wl,--image-base,0x140000000

  4478.             append SHFLAGS -Wl,--image-base,0x180000000

  4479.         fi

  4480.         ;;

  4481.     win32|win64)

  4482.         disable symver

  4483.         if enabled shared; then

  4484.             # Link to the import library instead of the normal static library

  4485.             # for shared libs.

  4486.             LD_LIB='%.lib'

  4487.             # Cannot build both shared and static libs with MSVC or icl.

  4488.             disable static

  4489.         fi

  4490.         enabled x86_32 && check_ldflags -LARGEADDRESSAWARE

  4491.         shlibdir_default="$bindir_default"

  4492.         SLIBPREF=""

  4493.         SLIBSUF=".dll"

  4494.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4495.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4496.         SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'

  4497.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4498.         SLIB_INSTALL_LINKS=

  4499.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4500.         SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4501.         SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4502.         objformat="win32"

  4503.         ranlib=:

  4504.         enable dos_paths

  4505.         ;;

  4506.     cygwin*)

  4507.         target_os=cygwin

  4508.         shlibdir_default="$bindir_default"

  4509.         SLIBPREF="cyg"

  4510.         SLIBSUF=".dll"

  4511.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4512.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4513.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4514.         SLIB_INSTALL_LINKS=

  4515.         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'

  4516.         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'

  4517.         objformat="win32"

  4518.         enable dos_paths

  4519.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4520.         ;;

  4521.     *-dos|freedos|opendos)

  4522.         network_extralibs="-lsocket"

  4523.         objformat="coff"

  4524.         enable dos_paths

  4525.         add_cppflags -U__STRICT_ANSI__

  4526.         ;;

  4527.     linux)

  4528.         enable dv1394

  4529.         enable section_data_rel_ro

  4530.         ;;

  4531.     irix*)

  4532.         target_os=irix

  4533.         ranlib="echo ignoring ranlib"

  4534.         ;;

  4535.     os/2*)

  4536.         strip="lxlite -CS"

  4537.         ln_s="cp -f"

  4538.         objformat="aout"

  4539.         add_cppflags -D_GNU_SOURCE

  4540.         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap

  4541.         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'

  4542.         LIBSUF="_s.a"

  4543.         SLIBPREF=""

  4544.         SLIBSUF=".dll"

  4545.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'

  4546.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'

  4547.         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \

  4548.             echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \

  4549.             echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \

  4550.             echo EXPORTS >> $(SUBDIR)$(NAME).def; \

  4551.             emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'

  4552.         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \

  4553.             emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'

  4554.         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'

  4555.         enable dos_paths

  4556.         enable_weak os2threads

  4557.         ;;

  4558.     gnu/kfreebsd)

  4559.         add_cppflags -D_BSD_SOURCE

  4560.         ;;

  4561.     gnu)

  4562.         ;;

  4563.     qnx)

  4564.         add_cppflags -D_QNX_SOURCE

  4565.         network_extralibs="-lsocket"

  4566.         ;;

  4567.     symbian)

  4568.         SLIBSUF=".dll"

  4569.         enable dos_paths

  4570.         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default

  4571.         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS

  4572.         add_ldflags -Wl,--target1-abs,--no-undefined \

  4573.                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \

  4574.                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup

  4575.         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \

  4576.                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \

  4577.                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib

  4578.         ;;

  4579.     osf1)

  4580.         add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT

  4581.         ;;

  4582.     minix)

  4583.         ;;

  4584.     plan9)

  4585.         add_cppflags -D_C99_SNPRINTF_EXTENSION  \

  4586.                      -D_REENTRANT_SOURCE        \

  4587.                      -D_RESEARCH_SOURCE         \

  4588.                      -DFD_SETSIZE=96            \

  4589.                      -DHAVE_SOCK_OPTS

  4590.         add_compat strtod.o strtod=avpriv_strtod

  4591.         network_extralibs='-lbsd'

  4592.         exeobjs=compat/plan9/main.o

  4593.         disable ffserver

  4594.         cp_f='cp'

  4595.         ;;

  4596.     none)

  4597.         ;;

  4598.     *)

  4599.         die "Unknown OS '$target_os'."

  4600.         ;;

  4601. esac

  4602. 

  4603. # determine libc flavour

  4604. 

  4605. probe_libc(){

  4606.     pfx=$1

  4607.     pfx_no_=${pfx%_}

  4608.     # uclibc defines __GLIBC__, so it needs to be checked before glibc.

  4609.     if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then

  4610.         eval ${pfx}libc_type=uclibc

  4611.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4612.     elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then

  4613.         eval ${pfx}libc_type=glibc

  4614.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4615.     # MinGW headers can be installed on Cygwin, so check for newlib first.

  4616.     elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then

  4617.         eval ${pfx}libc_type=newlib

  4618.         add_${pfx}cppflags -U__STRICT_ANSI__

  4619.     # MinGW64 is backwards compatible with MinGW32, so check for it first.

  4620.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then

  4621.         eval ${pfx}libc_type=mingw64

  4622.         if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then

  4623.             add_compat msvcrt/snprintf.o

  4624.             add_cflags "-include $source_path/compat/msvcrt/snprintf.h"

  4625.         fi

  4626.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4627.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4628.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4629.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION"  ||

  4630.          check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then

  4631.         eval ${pfx}libc_type=mingw32

  4632.         check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \

  4633.             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||

  4634.             die "ERROR: MinGW32 runtime version must be >= 3.15."

  4635.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4636.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4637.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4638.     elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then

  4639.         eval ${pfx}libc_type=msvcrt

  4640.         if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then

  4641.             if [ "$pfx" = host_ ]; then

  4642.                 add_host_cppflags -Dsnprintf=_snprintf

  4643.             else

  4644.                 add_compat strtod.o strtod=avpriv_strtod

  4645.                 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf   \

  4646.                                              _snprintf=avpriv_snprintf  \

  4647.                                              vsnprintf=avpriv_vsnprintf

  4648.             fi

  4649.         fi

  4650.         # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to

  4651.         # 0x601 by default unless something else is set by the user.

  4652.         # This can easily lead to us detecting functions only present

  4653.         # in such new versions and producing binaries requiring windows 7.0.

  4654.         # Therefore explicitly set the default to XP unless the user has

  4655.         # set something else on the command line.

  4656.         # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop

  4657.         # family. For these cases, configure is free to use any functions

  4658.         # found in the SDK headers by default. (Alternatively, we could force

  4659.         # _WIN32_WINNT to 0x0602 in that case.)

  4660.         check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||

  4661.             { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }

  4662. #ifdef WINAPI_FAMILY

  4663. #include <winapifamily.h>

  4664. #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

  4665. #error not desktop

  4666. #endif

  4667. #endif

  4668. EOF

  4669.     elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then

  4670.         eval ${pfx}libc_type=klibc

  4671.     elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then

  4672.         eval ${pfx}libc_type=bionic

  4673.     elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then

  4674.         eval ${pfx}libc_type=solaris

  4675.         add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600

  4676.     fi

  4677.     check_${pfx}cc <<EOF

  4678. #include <time.h>

  4679. void *v = localtime_r;

  4680. EOF

  4681. 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

  4682. #include <time.h>

  4683. void *v = localtime_r;

  4684. EOF

  4685. 

  4686. }

  4687. 

  4688. probe_libc

  4689. test -n "$libc_type" && enable libc_$libc_type

  4690. probe_libc host_

  4691. test -n "$host_libc_type" && enable host_libc_$host_libc_type

  4692. 

  4693. case $libc_type in

  4694.     bionic)

  4695.         add_compat strtod.o strtod=avpriv_strtod

  4696.         ;;

  4697. esac

  4698. 

  4699. # hacks for compiler/libc/os combinations

  4700. 

  4701. if enabled_all tms470 libc_glibc; then

  4702.     CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"

  4703.     add_cppflags -D__USER_LABEL_PREFIX__=

  4704.     add_cppflags -D__builtin_memset=memset

  4705.     add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED

  4706.     add_cflags   -pds=48    # incompatible redefinition of macro

  4707. fi

  4708. 

  4709. if enabled_all ccc libc_glibc; then

  4710.     add_ldflags -Wl,-z,now  # calls to libots crash without this

  4711. fi

  4712. 

  4713. check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||

  4714.     add_cppflags '-I\$(SRC_PATH)/compat/float'

  4715. 

  4716. esc(){

  4717.     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'

  4718. }

  4719. 

  4720. echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate

  4721. 

  4722. check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic

  4723. 

  4724. set_default libdir

  4725. : ${shlibdir_default:="$libdir"}

  4726. : ${pkgconfigdir_default:="$libdir/pkgconfig"}

  4727. 

  4728. set_default $PATHS_LIST

  4729. set_default nm

  4730. 

  4731. # we need to build at least one lib type

  4732. if ! enabled_any static shared; then

  4733.     cat <<EOF

  4734. At least one library type must be built.

  4735. Specify --enable-static to build the static libraries or --enable-shared to

  4736. build the shared libraries as well. To only build the shared libraries specify

  4737. --disable-static in addition to --enable-shared.

  4738. EOF

  4739.     exit 1;

  4740. fi

  4741. 

  4742. die_license_disabled() {

  4743.     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }

  4744. }

  4745. 

  4746. die_license_disabled_gpl() {

  4747.     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }

  4748. }

  4749. 

  4750. die_license_disabled gpl frei0r

  4751. die_license_disabled gpl libcdio

  4752. die_license_disabled gpl librubberband

  4753. die_license_disabled gpl libsmbclient

  4754. die_license_disabled gpl libutvideo

  4755. die_license_disabled gpl libvidstab

  4756. die_license_disabled gpl libx264

  4757. die_license_disabled gpl libx265

  4758. die_license_disabled gpl libxavs

  4759. die_license_disabled gpl libxvid

  4760. die_license_disabled gpl libzvbi

  4761. die_license_disabled gpl x11grab

  4762. 

  4763. die_license_disabled nonfree libaacplus

  4764. die_license_disabled nonfree libfaac

  4765. die_license_disabled nonfree nvenc

  4766. enabled gpl && die_license_disabled_gpl nonfree libfdk_aac

  4767. enabled gpl && die_license_disabled_gpl nonfree openssl

  4768. 

  4769. die_license_disabled version3 gmp

  4770. die_license_disabled version3 libopencore_amrnb

  4771. die_license_disabled version3 libopencore_amrwb

  4772. die_license_disabled version3 libsmbclient

  4773. die_license_disabled version3 libvo_aacenc

  4774. die_license_disabled version3 libvo_amrwbenc

  4775. 

  4776. enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }

  4777. 

  4778. disabled optimizations || check_cflags -fomit-frame-pointer

  4779. 

  4780. enable_weak_pic() {

  4781.     disabled pic && return

  4782.     enable pic

  4783.     add_cppflags -DPIC

  4784.     case "$target_os" in

  4785.     mingw*|cygwin*)

  4786.         ;;

  4787.     *)

  4788.         add_cflags -fPIC

  4789.         ;;

  4790.     esac

  4791.     add_asflags  -fPIC

  4792. }

  4793. 

  4794. enabled pic && enable_weak_pic

  4795. 

  4796. check_cc <<EOF || die "Symbol mangling check failed."

  4797. int ff_extern;

  4798. EOF

  4799. sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')

  4800. extern_prefix=${sym%%ff_extern*}

  4801. 

  4802. check_cc <<EOF && enable_weak inline_asm

  4803. void foo(void) { __asm__ volatile ("" ::); }

  4804. EOF

  4805. 

  4806. _restrict=

  4807. for restrict_keyword in restrict __restrict__ __restrict; do

  4808.     check_cc <<EOF && _restrict=$restrict_keyword && break

  4809. void foo(char * $restrict_keyword p);

  4810. EOF

  4811. done

  4812. 

  4813. check_cc <<EOF && enable pragma_deprecated

  4814. void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }

  4815. EOF

  4816. 

  4817. check_cc <<EOF && enable attribute_packed

  4818. struct { int x; } __attribute__((packed)) x;

  4819. EOF

  4820. 

  4821. check_cc <<EOF && enable attribute_may_alias

  4822. union { int x; } __attribute__((may_alias)) x;

  4823. EOF

  4824. 

  4825. check_cc <<EOF || die "endian test failed"

  4826. unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';

  4827. EOF

  4828. od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian

  4829. 

  4830. if ! enabled ppc64 || enabled bigendian; then

  4831.     disable vsx

  4832. fi

  4833. 

  4834. check_gas() {

  4835.     log "check_gas using '$as' as AS"

  4836.     # :vararg is used on aarch64, arm and ppc altivec

  4837.     check_as <<EOF || return 1

  4838. .macro m n, y:vararg=0

  4839. \n: .int \y

  4840. .endm

  4841. m x

  4842. EOF

  4843.     # .altmacro is only used in arm asm

  4844.     ! enabled arm || check_as <<EOF || return 1

  4845. .altmacro

  4846. EOF

  4847.     enable gnu_as

  4848.     return 0

  4849. }

  4850. 

  4851. if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then

  4852.     nogas=:

  4853.     enabled_any arm aarch64 && nogas=die

  4854.     enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn

  4855.     as_noop=-v

  4856. 

  4857.     case $as_type in

  4858.         arm*) gaspp_as_type=armasm; as_noop=-h ;;

  4859.         gcc)  gaspp_as_type=gas ;;

  4860.         *)    gaspp_as_type=$as_type ;;

  4861.     esac

  4862. 

  4863.     [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"

  4864. 

  4865.     test "${as#*gas-preprocessor.pl}" != "$as" ||

  4866.     check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&

  4867.         gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"

  4868. 

  4869.     if ! check_gas ; then

  4870.         as=${gas:=$as}

  4871.         check_gas || \

  4872.             $nogas "GNU assembler not found, install/update gas-preprocessor"

  4873.     fi

  4874. 

  4875.     check_as <<EOF && enable as_func

  4876. .func test

  4877. .endfunc

  4878. EOF

  4879. fi

  4880. 

  4881. check_inline_asm inline_asm_labels '"1:\n"'

  4882. 

  4883. check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'

  4884. 

  4885. if enabled aarch64; then

  4886.     enabled armv8 && check_insn armv8 'prfm   pldl1strm, [x0]'

  4887.     # internal assembler in clang 3.3 does not support this instruction

  4888.     enabled neon && check_insn neon 'ext   v0.8B, v0.8B, v1.8B, #1'

  4889.     enabled vfp  && check_insn vfp  'fmadd d0,    d0,    d1,    d2'

  4890. 

  4891.     map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM

  4892. 

  4893. elif enabled alpha; then

  4894. 

  4895.     check_cflags -mieee

  4896. 

  4897. elif enabled arm; then

  4898. 

  4899.     enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb

  4900. 

  4901.     check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb

  4902. float func(float a, float b){ return a+b; }

  4903. EOF

  4904. 

  4905.     enabled thumb && check_cflags -mthumb || check_cflags -marm

  4906. 

  4907.     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then

  4908.         enable vfp_args

  4909.     elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then

  4910.         enable vfp_args

  4911.     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then

  4912.         case "${cross_prefix:-$cc}" in

  4913.             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;

  4914.             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;

  4915. __asm__ (".eabi_attribute 28, 1");

  4916. int main(void) { return 0; }

  4917. EOF

  4918.         esac

  4919.         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."

  4920.     fi

  4921. 

  4922.     enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'

  4923.     enabled armv6   && check_insn armv6   'sadd16 r0, r0, r0'

  4924.     enabled armv6t2 && check_insn armv6t2 'movt r0, #0'

  4925.     enabled neon    && check_insn neon    'vadd.i16 q0, q0, q0'

  4926.     enabled vfp     && check_insn vfp     'fadds s0, s0, s0'

  4927.     enabled vfpv3   && check_insn vfpv3   'vmov.f32 s0, #1.0'

  4928.     enabled setend  && check_insn setend  'setend be'

  4929. 

  4930.     [ $target_os = linux ] || [ $target_os = android ] ||

  4931.         map 'enabled_any ${v}_external ${v}_inline || disable $v' \

  4932.             $ARCH_EXT_LIST_ARM

  4933. 

  4934.     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'

  4935. 

  4936.     check_as <<EOF && enable as_dn_directive

  4937. ra .dn d0.i16

  4938. .unreq ra

  4939. EOF

  4940. 

  4941.     # llvm's integrated assembler supports .object_arch from llvm 3.5

  4942.     [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch

  4943. .object_arch armv4

  4944. EOF

  4945. 

  4946.     [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic

  4947. 

  4948. elif enabled mips; then

  4949. 

  4950.     enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'

  4951.     enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'

  4952.     enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'

  4953. 

  4954.     # Enable minimum ISA based on selected options

  4955.     if enabled mips64 && (enabled mipsdspr1 || enabled mipsdspr2); then

  4956.         add_cflags "-mips64r2"

  4957.         add_asflags "-mips64r2"

  4958.     elif enabled mips64 && enabled mipsfpu && disabled loongson2 && disabled loongson3; then

  4959.         add_cflags "-mips64"

  4960.         add_asflags "-mips64"

  4961.     elif enabled mipsdspr1 || enabled mipsdspr2; then

  4962.         add_cflags "-mips32r2 -mfp32"

  4963.         add_asflags "-mips32r2 -mfp32"

  4964.     elif enabled mips32r5 || enabled mips64r6; then

  4965.         check_cflags "-mfp64"

  4966.         check_ldflags "-mfp64"

  4967.     fi

  4968. 

  4969.     enabled mips32r5  && check_cflags "-mips32r5 -msched-weight -mload-store-pairs -funroll-loops" &&

  4970.      check_ldflags "-mips32r5" &&

  4971.      check_inline_asm mips32r5  '"ulw $t0, ($t1)"'

  4972.     enabled mips64r6  && check_cflags "-mips64r6 -msched-weight -mload-store-pairs -funroll-loops" &&

  4973.      check_ldflags "-mips64r6" &&

  4974.      check_inline_asm mips64r6  '"aui $t0, $t1, 1"'

  4975.     enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&

  4976.      check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'

  4977.     enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&

  4978.      check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'

  4979.     enabled mipsfpu   && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&

  4980.      check_inline_asm mipsfpu   '"madd.d $f0, $f2, $f4, $f6"'

  4981.     enabled msa       && check_cflags "-mmsa" && check_ldflags "-mmsa" &&

  4982.      check_inline_asm msa       '"addvi.b $w0, $w1, 1"'

  4983. 

  4984.     enabled mips32r5 && add_asflags "-mips32r5 -mfp64"

  4985.     enabled mips64r6 && add_asflags "-mips64r6 -mfp64"

  4986.     enabled msa && add_asflags "-mmsa"

  4987. 

  4988. elif enabled parisc; then

  4989. 

  4990.     if enabled gcc; then

  4991.         case $($cc -dumpversion) in

  4992.             4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;

  4993.         esac

  4994.     fi

  4995. 

  4996. elif enabled ppc; then

  4997. 

  4998.     enable local_aligned_8 local_aligned_16 local_aligned_32

  4999. 

  5000.     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'

  5001.     check_inline_asm ibm_asm   '"add 0, 0, 0"'

  5002.     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'

  5003.     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'

  5004. 

  5005.     # AltiVec flags: The FSF version of GCC differs from the Apple version

  5006.     if enabled altivec; then

  5007.         check_cflags -maltivec -mabi=altivec &&

  5008.         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||

  5009.         check_cflags -faltivec

  5010. 

  5011.         # check if our compiler supports Motorola AltiVec C API

  5012.         check_cc <<EOF || disable altivec

  5013. $inc_altivec_h

  5014. int main(void) {

  5015.     vector signed int v1 = (vector signed int) { 0 };

  5016.     vector signed int v2 = (vector signed int) { 1 };

  5017.     v1 = vec_add(v1, v2);

  5018.     return 0;

  5019. }

  5020. EOF

  5021. 

  5022.         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"

  5023.     fi

  5024. 

  5025.     if enabled vsx; then

  5026.         check_cflags -mvsx &&

  5027.         check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx

  5028.     fi

  5029. 

  5030.     if enabled power8; then

  5031.         check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8

  5032.     fi

  5033. 

  5034. elif enabled x86; then

  5035. 

  5036.     check_builtin rdtsc    intrin.h   "__rdtsc()"

  5037.     check_builtin mm_empty mmintrin.h "_mm_empty()"

  5038. 

  5039.     enable local_aligned_8 local_aligned_16 local_aligned_32

  5040. 

  5041.     # check whether EBP is available on x86

  5042.     # As 'i' is stored on the stack, this program will crash

  5043.     # if the base pointer is used to access it because the

  5044.     # base pointer is cleared in the inline assembly code.

  5045.     check_exec_crash <<EOF && enable ebp_available

  5046. volatile int i=0;

  5047. __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");

  5048. return i;

  5049. EOF

  5050. 

  5051.     # check whether EBX is available on x86

  5052.     check_inline_asm ebx_available '""::"b"(0)' &&

  5053.         check_inline_asm ebx_available '"":::"%ebx"'

  5054. 

  5055.     # check whether xmm clobbers are supported

  5056.     check_inline_asm xmm_clobbers '"":::"%xmm0"'

  5057. 

  5058.     check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||

  5059.         check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'

  5060. 

  5061.     # check whether binutils is new enough to compile SSSE3/MMXEXT

  5062.     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'

  5063.     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'

  5064. 

  5065.     if ! disabled_any asm mmx yasm; then

  5066.         if check_cmd $yasmexe --version; then

  5067.             enabled x86_64 && yasm_extra="-m amd64"

  5068.             yasm_debug="-g dwarf2"

  5069.         elif check_cmd nasm -v; then

  5070.             yasmexe=nasm

  5071.             yasm_debug="-g -F dwarf"

  5072.             if enabled x86_64; then

  5073.                 case "$objformat" in

  5074.                     elf)   objformat=elf64 ;;

  5075.                     win32) objformat=win64 ;;

  5076.                 esac

  5077.             fi

  5078.         fi

  5079. 

  5080.         YASMFLAGS="-f $objformat $yasm_extra"

  5081.         enabled pic               && append YASMFLAGS "-DPIC"

  5082.         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"

  5083.         case "$objformat" in

  5084.             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;

  5085.         esac

  5086. 

  5087.         check_yasm "movbe ecx, [5]" && enable yasm ||

  5088.             die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."

  5089.         check_yasm "vextracti128 xmm0, ymm0, 0"      || disable avx2_external

  5090.         check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external

  5091.         check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external

  5092.         check_yasm "CPU amdnop" || disable cpunop

  5093.     fi

  5094. 

  5095.     case "$cpu" in

  5096.         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)

  5097.             disable fast_clz

  5098.         ;;

  5099.     esac

  5100. 

  5101. fi

  5102. 

  5103. check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon

  5104. 

  5105. check_ldflags -Wl,--as-needed

  5106. check_ldflags -Wl,-z,noexecstack

  5107. 

  5108. if check_func dlopen; then

  5109.     ldl=

  5110. elif check_func dlopen -ldl; then

  5111.     ldl=-ldl

  5112. fi

  5113. 

  5114. frei0r_filter_extralibs='$ldl'

  5115. frei0r_src_filter_extralibs='$ldl'

  5116. ladspa_filter_extralibs='$ldl'

  5117. nvenc_encoder_extralibs='$ldl'

  5118. 

  5119. if ! disabled network; then

  5120.     check_func getaddrinfo $network_extralibs

  5121.     check_func inet_aton $network_extralibs

  5122. 

  5123.     check_type netdb.h "struct addrinfo"

  5124.     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE

  5125.     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE

  5126.     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE

  5127.     check_type poll.h "struct pollfd"

  5128.     check_type netinet/sctp.h "struct sctp_event_subscribe"

  5129.     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len

  5130.     check_type netinet/in.h "struct sockaddr_in6"

  5131.     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"

  5132.     check_type "sys/types.h sys/socket.h" socklen_t

  5133. 

  5134.     # Prefer arpa/inet.h over winsock2

  5135.     if check_header arpa/inet.h ; then

  5136.         check_func closesocket

  5137.     elif check_header winsock2.h ; then

  5138.         check_func_headers winsock2.h closesocket -lws2 &&

  5139.             network_extralibs="-lws2" ||

  5140.         { check_func_headers winsock2.h closesocket -lws2_32 &&

  5141.             network_extralibs="-lws2_32"; } || disable winsock2_h network

  5142.         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs

  5143. 

  5144.         check_type ws2tcpip.h socklen_t

  5145.         check_type ws2tcpip.h "struct addrinfo"

  5146.         check_type ws2tcpip.h "struct group_source_req"

  5147.         check_type ws2tcpip.h "struct ip_mreq_source"

  5148.         check_type ws2tcpip.h "struct ipv6_mreq"

  5149.         check_type winsock2.h "struct pollfd"

  5150.         check_struct winsock2.h "struct sockaddr" sa_len

  5151.         check_type ws2tcpip.h "struct sockaddr_in6"

  5152.         check_type ws2tcpip.h "struct sockaddr_storage"

  5153.     else

  5154.         disable network

  5155.     fi

  5156. fi

  5157. 

  5158. check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"

  5159. check_builtin atomic_compare_exchange "" "int *ptr, *oldval; int newval; __atomic_compare_exchange_n(ptr, oldval, newval, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)"

  5160. check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"

  5161. check_builtin MemoryBarrier windows.h "MemoryBarrier()"

  5162. check_builtin sarestart signal.h "SA_RESTART"

  5163. check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"

  5164. check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"

  5165. check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"

  5166. 

  5167. case "$custom_allocator" in

  5168.     jemalloc)

  5169.         # jemalloc by default does not use a prefix

  5170.         require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc

  5171.     ;;

  5172.     tcmalloc)

  5173.         require_pkg_config libtcmalloc gperftools/tcmalloc.h tc_malloc

  5174.         malloc_prefix=tc_

  5175.     ;;

  5176. esac

  5177. 

  5178. check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc

  5179. check_func  ${malloc_prefix}memalign            && enable memalign

  5180. check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign

  5181. 

  5182. check_func  access

  5183. check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  5184. check_func  fcntl

  5185. check_func  fork

  5186. check_func  gethrtime

  5187. check_func  getopt

  5188. check_func  getrusage

  5189. check_func  gettimeofday

  5190. check_func  isatty

  5191. check_func  mach_absolute_time

  5192. check_func  mkstemp

  5193. check_func  mmap

  5194. check_func  mprotect

  5195. # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that

  5196. check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  5197. check_func  sched_getaffinity

  5198. check_func  setrlimit

  5199. check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE

  5200. check_func  strerror_r

  5201. check_func  sysconf

  5202. check_func  sysctl

  5203. check_func  usleep

  5204. 

  5205. check_func_headers conio.h kbhit

  5206. check_func_headers io.h setmode

  5207. check_func_headers lzo/lzo1x.h lzo1x_999_compress

  5208. check_func_headers stdlib.h getenv

  5209. check_func_headers sys/stat.h lstat

  5210. 

  5211. check_func_headers windows.h CoTaskMemFree -lole32

  5212. check_func_headers windows.h GetProcessAffinityMask

  5213. check_func_headers windows.h GetProcessTimes

  5214. check_func_headers windows.h GetSystemTimeAsFileTime

  5215. check_func_headers windows.h MapViewOfFile

  5216. check_func_headers windows.h PeekNamedPipe

  5217. check_func_headers windows.h SetConsoleTextAttribute

  5218. check_func_headers windows.h SetConsoleCtrlHandler

  5219. check_func_headers windows.h Sleep

  5220. check_func_headers windows.h VirtualAlloc

  5221. check_struct windows.h "CONDITION_VARIABLE" Ptr

  5222. check_func_headers glob.h glob

  5223. enabled xlib &&

  5224.     check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext

  5225. 

  5226. check_header direct.h

  5227. check_header dirent.h

  5228. check_header dlfcn.h

  5229. check_header d3d11.h

  5230. check_header dxva.h

  5231. check_header dxva2api.h -D_WIN32_WINNT=0x0600

  5232. check_header io.h

  5233. check_header libcrystalhd/libcrystalhd_if.h

  5234. check_header mach/mach_time.h

  5235. check_header malloc.h

  5236. check_header net/udplite.h

  5237. check_header poll.h

  5238. check_header sys/mman.h

  5239. check_header sys/param.h

  5240. check_header sys/resource.h

  5241. check_header sys/select.h

  5242. check_header sys/time.h

  5243. check_header sys/un.h

  5244. check_header termios.h

  5245. check_header unistd.h

  5246. check_header valgrind/valgrind.h

  5247. check_header vdpau/vdpau.h

  5248. check_header vdpau/vdpau_x11.h

  5249. check_header VideoDecodeAcceleration/VDADecoder.h

  5250. check_header VideoToolbox/VideoToolbox.h

  5251. check_header windows.h

  5252. check_header X11/extensions/XvMClib.h

  5253. check_header asm/types.h

  5254. 

  5255. check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32

  5256. check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32

  5257. check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi

  5258. check_lib "CoreServices/CoreServices.h" UTGetOSTypeFromString "-framework CoreServices"

  5259. 

  5260. check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss

  5261. 

  5262. check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0

  5263. check_type "windows.h d3d11.h" "ID3D11VideoDecoder"

  5264. check_type "windows.h d3d11.h" "ID3D11VideoContext"

  5265. check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602

  5266. 

  5267. check_type "va/va.h" "VAPictureParameterBufferHEVC"

  5268. 

  5269. check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"

  5270. 

  5271. check_cpp_condition windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)" && enable winrt || disable winrt

  5272. 

  5273. if ! disabled w32threads && ! enabled pthreads; then

  5274.     check_func_headers "windows.h process.h" _beginthreadex &&

  5275.         enable w32threads || disable w32threads

  5276.     if ! enabled w32threads && enabled winrt; then

  5277.         check_func_headers "windows.h" CreateThread &&

  5278.             enable w32threads || disable w32threads

  5279.     fi

  5280. fi

  5281. 

  5282. # check for some common methods of building with pthread support

  5283. # do this before the optional library checks as some of them require pthreads

  5284. if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then

  5285.     enable pthreads

  5286.     if check_func pthread_join -pthread && check_func pthread_create -pthread; then

  5287.         add_cflags -pthread

  5288.         add_extralibs -pthread

  5289.     elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then

  5290.         add_cflags -pthreads

  5291.         add_extralibs -pthreads

  5292.     elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then

  5293.         add_cflags -ldl -pthread

  5294.         add_extralibs -ldl -pthread

  5295.     elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then

  5296.         add_extralibs -lpthreadGC2

  5297.     elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then

  5298.         :

  5299.     elif ! check_func pthread_join && ! check_func pthread_create; then

  5300.         disable pthreads

  5301.     fi

  5302.     check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads

  5303. fi

  5304. 

  5305. 

  5306. if enabled pthreads; then

  5307.   check_func pthread_cancel

  5308. fi

  5309. 

  5310. disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib

  5311. disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib

  5312. disabled  lzma || check_lib2  lzma.h lzma_version_number -llzma || disable lzma

  5313. 

  5314. check_lib math.h sin -lm && LIBM="-lm"

  5315. disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd

  5316. 

  5317. atan2f_args=2

  5318. copysign_args=2

  5319. hypot_args=2

  5320. ldexpf_args=2

  5321. powf_args=2

  5322. 

  5323. for func in $MATH_FUNCS; do

  5324.     eval check_mathfunc $func \${${func}_args:-1}

  5325. done

  5326. 

  5327. # these are off by default, so fail if requested and not available

  5328. enabled avfoundation_indev && { check_header_oc AVFoundation/AVFoundation.h || disable avfoundation_indev; }

  5329. enabled avfoundation_indev && { check_lib2 CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||

  5330.                                 check_lib2 ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }

  5331. enabled avisynth          && { { check_lib2 "windows.h" LoadLibrary; } ||

  5332.                                { check_lib2 "dlfcn.h" dlopen -ldl; } ||

  5333.                                die "ERROR: LoadLibrary/dlopen not found for avisynth"; }

  5334. enabled chromaprint       && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint

  5335. enabled decklink          && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }

  5336. enabled frei0r            && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }

  5337. enabled gcrypt            && require2 gcrypt gcrypt.h gcry_mpi_new -lgcrypt

  5338. enabled gmp               && require2 gmp gmp.h mpz_export -lgmp

  5339. enabled gnutls            && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init

  5340. enabled ladspa            && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }

  5341. enabled libiec61883       && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883

  5342. enabled libaacplus        && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus

  5343. enabled libass            && require_pkg_config libass ass/ass.h ass_library_init

  5344. enabled libbluray         && require_pkg_config libbluray libbluray/bluray.h bd_open

  5345. enabled libbs2b           && require_pkg_config libbs2b bs2b.h bs2b_open

  5346. enabled libcelt           && require libcelt celt/celt.h celt_decode -lcelt0 &&

  5347.                              { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||

  5348.                                die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }

  5349. enabled libcaca           && require_pkg_config caca caca.h caca_create_canvas

  5350. enabled libdcadec         && require_pkg_config "dcadec >= 0.1.0" libdcadec/dca_context.h dcadec_context_create

  5351. enabled libfaac           && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac

  5352. enabled libfdk_aac        && { use_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||

  5353.                                { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&

  5354.                                  warn "using libfdk without pkg-config"; } }

  5355. 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"

  5356. enabled libflite          && require2 libflite "flite/flite.h" flite_init $flite_libs

  5357. enabled fontconfig        && enable libfontconfig

  5358. enabled libfontconfig     && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit

  5359. enabled libfreetype       && require_libfreetype

  5360. enabled libfribidi        && require_pkg_config fribidi fribidi.h fribidi_version_info

  5361. enabled libgme            && require  libgme gme/gme.h gme_new_emu -lgme -lstdc++

  5362. enabled libgsm            && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do

  5363.                                    check_lib "${gsm_hdr}" gsm_create -lgsm && break;

  5364.                                done || die "ERROR: libgsm not found"; }

  5365. enabled libilbc           && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc

  5366. enabled libkvazaar        && require_pkg_config "kvazaar >= 0.7.1" kvazaar.h kvz_api_get

  5367. enabled libmfx            && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit

  5368. enabled libmodplug        && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load

  5369. enabled libmp3lame        && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame

  5370. enabled libnut            && require libnut libnut.h nut_demuxer_init -lnut

  5371. enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb

  5372. enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb

  5373. enabled libopencv         && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader

  5374. enabled libopenh264       && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion

  5375. enabled libopenjpeg       && { check_lib openjpeg.h opj_version -lopenmj2 -DOPJ_STATIC ||

  5376.                                check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  5377.                                check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  5378.                                die "ERROR: libopenjpeg not found"; }

  5379. enabled libopus           && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create

  5380. enabled libpulse          && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new

  5381. enabled libquvi           && require_pkg_config libquvi quvi/quvi.h quvi_init

  5382. enabled librtmp           && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket

  5383. enabled librubberband     && require_pkg_config "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new

  5384. enabled libschroedinger   && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init

  5385. enabled libshine          && require_pkg_config shine shine/layer3.h shine_encode_buffer

  5386. enabled libsmbclient      && { use_pkg_config smbclient libsmbclient.h smbc_init ||

  5387.                                require smbclient libsmbclient.h smbc_init -lsmbclient; }

  5388. enabled libsnappy         && require snappy snappy-c.h snappy_compress -lsnappy

  5389. enabled libsoxr           && require libsoxr soxr.h soxr_create -lsoxr && LIBSOXR="-lsoxr"

  5390. enabled libssh            && require_pkg_config libssh libssh/sftp.h sftp_init

  5391. enabled libspeex          && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex

  5392. enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h

  5393.     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h

  5394.     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static

  5395. enabled libtesseract      && require_pkg_config tesseract tesseract/capi.h TessBaseAPICreate

  5396. enabled libtheora         && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg

  5397. enabled libtwolame        && require libtwolame twolame.h twolame_init -ltwolame &&

  5398.                              { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||

  5399.                                die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }

  5400. enabled libutvideo        && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++

  5401. enabled libv4l2           && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl

  5402. enabled libvidstab        && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit

  5403. enabled libvo_aacenc      && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc

  5404. enabled libvo_amrwbenc    && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc

  5405. enabled libvorbis         && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg

  5406. 

  5407. enabled libvpx            && {

  5408.     enabled libvpx_vp8_decoder && {

  5409.         use_pkg_config "vpx >= 0.9.1" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||

  5410.             check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||

  5411.                 die "ERROR: libvpx decoder version must be >=0.9.1";

  5412.     }

  5413.     enabled libvpx_vp8_encoder && {

  5414.         use_pkg_config "vpx >= 0.9.7" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||

  5415.             check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||

  5416.                 die "ERROR: libvpx encoder version must be >=0.9.7";

  5417.     }

  5418.     enabled libvpx_vp9_decoder && {

  5419.         use_pkg_config "vpx >= 1.3.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||

  5420.             check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx ||

  5421.                 disable libvpx_vp9_decoder;

  5422.     }

  5423.     enabled libvpx_vp9_encoder && {

  5424.         use_pkg_config "vpx >= 1.3.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||

  5425.             check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx ||

  5426.                 disable libvpx_vp9_encoder;

  5427.     }

  5428.     if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then

  5429.         die "libvpx enabled but no supported decoders found"

  5430.     fi

  5431. }

  5432. 

  5433. enabled libwavpack        && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput  -lwavpack

  5434. enabled libwebp           && {

  5435.     enabled libwebp_encoder      && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion

  5436.     enabled libwebp_anim_encoder && { use_pkg_config "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit || disable libwebp_anim_encoder; } }

  5437. enabled libx264           && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||

  5438.                                { require libx264 x264.h x264_encoder_encode -lx264 &&

  5439.                                  warn "using libx264 without pkg-config"; } } &&

  5440.                              { check_cpp_condition x264.h "X264_BUILD >= 118" ||

  5441.                                die "ERROR: libx264 must be installed and version must be >= 0.118."; } &&

  5442.                              { check_cpp_condition x264.h "X264_MPEG2" &&

  5443.                                enable libx262; }

  5444. enabled libx265           && require_pkg_config x265 x265.h x265_api_get &&

  5445.                              { check_cpp_condition x265.h "X265_BUILD >= 57" ||

  5446.                                die "ERROR: libx265 version must be >= 57."; }

  5447. enabled libxavs           && require libxavs xavs.h xavs_encoder_encode -lxavs

  5448. enabled libxvid           && require libxvid xvid.h xvid_global -lxvidcore

  5449. enabled libzimg           && require_pkg_config zimg zimg.h zimg_get_api_version

  5450. enabled libzmq            && require_pkg_config libzmq zmq.h zmq_ctx_new

  5451. enabled libzvbi           && require libzvbi libzvbi.h vbi_decoder_new -lzvbi

  5452. enabled mmal              && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||

  5453.                                 { ! enabled cross_compile && {

  5454.                                     add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;

  5455.                                     add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;

  5456.                                     check_lib interface/mmal/mmal.h mmal_port_connect ; }

  5457.                                 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||

  5458.                                die "ERROR: mmal not found"; }

  5459. enabled nvenc             && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; } &&

  5460.                              { check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 5" ||

  5461.                                die "ERROR: NVENC API version 4 or older is not supported"; } &&

  5462.                              { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }

  5463. enabled openal            && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do

  5464.                                check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||

  5465.                                die "ERROR: openal not found"; } &&

  5466.                              { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||

  5467.                                die "ERROR: openal must be installed and version must be 1.1 or compatible"; }

  5468. enabled opencl            && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||

  5469.                                check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||

  5470.                                die "ERROR: opencl not found"; } &&

  5471.                              { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||

  5472.                                check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||

  5473.                                die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }

  5474. enabled opengl            && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||

  5475.                                check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||

  5476.                                check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||

  5477.                                check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||

  5478.                                die "ERROR: opengl not found."

  5479.                              }

  5480. enabled openssl           && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||

  5481.                                check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||

  5482.                                check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||

  5483.                                die "ERROR: openssl not found"; }

  5484. enabled qtkit_indev      && { check_header_oc QTKit/QTKit.h || disable qtkit_indev; }

  5485. 

  5486. # libdc1394 check

  5487. if enabled libdc1394; then

  5488.     { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&

  5489.         enable libdc1394_2; } ||

  5490.     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&

  5491.         enable libdc1394_1; } ||

  5492.     die "ERROR: No version of libdc1394 found "

  5493. fi

  5494. if ! disabled sdl; then

  5495.     SDL_CONFIG="${cross_prefix}sdl-config"

  5496.     if check_pkg_config sdl SDL_events.h SDL_PollEvent; then

  5497.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5498.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5499.         enable sdl

  5500.     else

  5501.         if "${SDL_CONFIG}" --version > /dev/null 2>&1; then

  5502.             sdl_cflags=$("${SDL_CONFIG}" --cflags)

  5503.             sdl_libs=$("${SDL_CONFIG}" --libs)

  5504.             check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&

  5505.             check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5506.             check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5507.             enable sdl

  5508.         elif enabled sdl ; then

  5509.             die "ERROR: SDL not found"

  5510.         else

  5511.             disable sdl

  5512.         fi

  5513.     fi

  5514.     if test $target_os = "mingw32"; then

  5515.         sdl_libs="$sdl_libs -mconsole"

  5516.     fi

  5517. fi

  5518. enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs

  5519. 

  5520. disabled securetransport || { check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&

  5521.     check_lib2 "Security/SecureTransport.h Security/Security.h" "SSLCreateContext SecItemImport" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&

  5522.     enable securetransport; }

  5523. 

  5524. disabled schannel || { check_func_headers "windows.h Security.h" InitializeSecurityContext -DSECURITY_WIN32 -lSecur32 &&

  5525.                        enable schannel && add_extralibs -lSecur32; }

  5526. 

  5527. makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo

  5528. enabled makeinfo \

  5529.     && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \

  5530.     && enable makeinfo_html || disable makeinfo_html

  5531. disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html

  5532. perl -v            > /dev/null 2>&1 && enable perl      || disable perl

  5533. pod2man --help     > /dev/null 2>&1 && enable pod2man   || disable pod2man

  5534. rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout

  5535. 

  5536. check_header linux/fb.h

  5537. check_header linux/videodev.h

  5538. check_header linux/videodev2.h

  5539. check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5540. 

  5541. check_header sys/videoio.h

  5542. check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5543. 

  5544. check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"

  5545. # check that WM_CAP_DRIVER_CONNECT is defined to the proper value

  5546. # w32api 3.12 had it defined wrong

  5547. check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines

  5548. 

  5549. check_type "dshow.h" IBaseFilter

  5550. 

  5551. # check for ioctl_meteor.h, ioctl_bt848.h and alternatives

  5552. { check_header dev/bktr/ioctl_meteor.h &&

  5553.   check_header dev/bktr/ioctl_bt848.h; } ||

  5554. { check_header machine/ioctl_meteor.h &&

  5555.   check_header machine/ioctl_bt848.h; } ||

  5556. { check_header dev/video/meteor/ioctl_meteor.h &&

  5557.   check_header dev/video/bktr/ioctl_bt848.h; } ||

  5558. check_header dev/ic/bt8xx.h

  5559. 

  5560. check_header sndio.h

  5561. if check_struct sys/soundcard.h audio_buf_info bytes; then

  5562.     enable_safe sys/soundcard.h

  5563. else

  5564.     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h

  5565.     #include <sys/soundcard.h>

  5566.     audio_buf_info abc;

  5567. EOF

  5568. fi

  5569. check_header soundcard.h

  5570. 

  5571. enabled_any alsa_indev alsa_outdev &&

  5572.     check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound

  5573. 

  5574. enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&

  5575.     check_func jack_port_get_latency_range -ljack

  5576. 

  5577. enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio

  5578. 

  5579. if enabled libcdio; then

  5580.     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5581.     check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5582.     die "ERROR: No usable libcdio/cdparanoia found"

  5583. fi

  5584. 

  5585. enabled xlib &&

  5586.     check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib

  5587. 

  5588. if ! disabled libxcb; then

  5589.     check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {

  5590.         enabled libxcb && die "ERROR: libxcb >= 1.4 not found";

  5591.     } && disable x11grab && enable libxcb

  5592. 

  5593. if enabled libxcb; then

  5594.     disabled libxcb_shm || {

  5595.         check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {

  5596.             enabled libxcb_shm && die "ERROR: libxcb_shm not found";

  5597.         } && check_header sys/shm.h && enable libxcb_shm; }

  5598. 

  5599.     disabled libxcb_xfixes || {

  5600.         check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {

  5601.             enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";

  5602.         } && enable libxcb_xfixes; }

  5603. 

  5604.     disabled libxcb_shape || {

  5605.         check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {

  5606.             enabled libxcb_shape && die "ERROR: libxcb_shape not found";

  5607.         } && enable libxcb_shape; }

  5608. 

  5609.     add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags

  5610.     add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs

  5611. fi

  5612. fi

  5613. 

  5614. if enabled x11grab; then

  5615.     enabled xlib || die "ERROR: Xlib not found"

  5616.     require Xext X11/extensions/XShm.h XShmCreateImage -lXext

  5617.     require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes

  5618. fi

  5619. 

  5620. check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"

  5621. 

  5622. enabled dxva2api_h &&

  5623.     check_cc <<EOF && enable dxva2api_cobj

  5624. #define _WIN32_WINNT 0x0600

  5625. #define COBJMACROS

  5626. #include <windows.h>

  5627. #include <d3d9.h>

  5628. #include <dxva2api.h>

  5629. int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }

  5630. EOF

  5631. 

  5632. enabled vaapi &&

  5633.     check_lib va/va.h vaInitialize -lva ||

  5634.     disable vaapi

  5635. 

  5636. enabled vaapi && enabled xlib &&

  5637.     check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&

  5638.     enable vaapi_x11

  5639. 

  5640. enabled vdpau &&

  5641.     check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||

  5642.     disable vdpau

  5643. 

  5644. enabled vdpau && enabled xlib &&

  5645.     check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&

  5646.     prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&

  5647.     enable vdpau_x11

  5648. 

  5649. # Funny iconv installations are not unusual, so check it after all flags have been set

  5650. disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv

  5651. 

  5652. enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"

  5653. 

  5654. # add some useful compiler flags if supported

  5655. check_cflags -Wdeclaration-after-statement

  5656. check_cflags -Wall

  5657. check_cflags -Wdisabled-optimization

  5658. check_cflags -Wpointer-arith

  5659. check_cflags -Wredundant-decls

  5660. check_cflags -Wwrite-strings

  5661. check_cflags -Wtype-limits

  5662. check_cflags -Wundef

  5663. check_cflags -Wmissing-prototypes

  5664. check_cflags -Wno-pointer-to-int-cast

  5665. check_cflags -Wstrict-prototypes

  5666. check_cflags -Wempty-body

  5667. enabled extra_warnings && check_cflags -Winline

  5668. 

  5669. check_disable_warning(){

  5670.     warning_flag=-W${1#-Wno-}

  5671.     test_cflags $warning_flag && add_cflags $1

  5672. }

  5673. 

  5674. check_disable_warning -Wno-parentheses

  5675. check_disable_warning -Wno-switch

  5676. check_disable_warning -Wno-format-zero-length

  5677. check_disable_warning -Wno-pointer-sign

  5678. 

  5679. # add some linker flags

  5680. check_ldflags -Wl,--warn-common

  5681. check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample

  5682. enabled rpath && add_ldexeflags -Wl,-rpath,$libdir

  5683. enabled rpath && add_ldlibflags -Wl,-rpath,$libdir

  5684. test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic

  5685. 

  5686. # add some strip flags

  5687. # -wN '..@*' is more selective than -x, but not available everywhere.

  5688. check_stripflags -wN \'..@*\' || check_stripflags -x

  5689. 

  5690. enabled neon_clobber_test &&

  5691.     check_ldflags -Wl,--wrap,avcodec_open2              \

  5692.                   -Wl,--wrap,avcodec_decode_audio4      \

  5693.                   -Wl,--wrap,avcodec_decode_video2      \

  5694.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  5695.                   -Wl,--wrap,avcodec_encode_audio2      \

  5696.                   -Wl,--wrap,avcodec_encode_video2      \

  5697.                   -Wl,--wrap,avcodec_encode_subtitle    \

  5698.                   -Wl,--wrap,swr_convert                \

  5699.                   -Wl,--wrap,avresample_convert ||

  5700.     disable neon_clobber_test

  5701. 

  5702. enabled xmm_clobber_test &&

  5703.     check_ldflags -Wl,--wrap,avcodec_open2              \

  5704.                   -Wl,--wrap,avcodec_decode_audio4      \

  5705.                   -Wl,--wrap,avcodec_decode_video2      \

  5706.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  5707.                   -Wl,--wrap,avcodec_encode_audio2      \

  5708.                   -Wl,--wrap,avcodec_encode_video2      \

  5709.                   -Wl,--wrap,avcodec_encode_subtitle    \

  5710.                   -Wl,--wrap,swr_convert                \

  5711.                   -Wl,--wrap,avresample_convert         \

  5712.                   -Wl,--wrap,sws_scale ||

  5713.     disable xmm_clobber_test

  5714. 

  5715. echo "X { local: *; };" > $TMPV

  5716. if test_ldflags -Wl,--version-script,$TMPV; then

  5717.     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'

  5718. elif test_ldflags -Wl,-M,$TMPV; then

  5719.     append SHFLAGS '-Wl,-M,\$(SUBDIR)lib\$(NAME).ver-sol2'

  5720. fi

  5721. 

  5722. check_cc <<EOF && enable symver_asm_label

  5723. void ff_foo(void) __asm__ ("av_foo@VERSION");

  5724. void ff_foo(void) { ${inline_asm+__asm__($quotes);} }

  5725. EOF

  5726.     check_cc <<EOF && enable symver_gnu_asm

  5727. __asm__(".symver ff_foo,av_foo@VERSION");

  5728. void ff_foo(void) {}

  5729. EOF

  5730. 

  5731. if [ -z "$optflags" ]; then

  5732.     if enabled small; then

  5733.         optflags=$cflags_size

  5734.     elif enabled optimizations; then

  5735.         optflags=$cflags_speed

  5736.     else

  5737.         optflags=$cflags_noopt

  5738.     fi

  5739. fi

  5740. 

  5741. check_optflags(){

  5742.     check_cflags "$@"

  5743.     enabled lto && check_ldflags "$@"

  5744. }

  5745. 

  5746. 

  5747. if enabled lto; then

  5748.     test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"

  5749.     check_cflags  -flto

  5750.     check_ldflags -flto $cpuflags

  5751.     disable inline_asm_direct_symbol_refs

  5752. fi

  5753. 

  5754. check_optflags $optflags

  5755. check_optflags -fno-math-errno

  5756. check_optflags -fno-signed-zeros

  5757. 

  5758. enabled ftrapv && check_cflags -ftrapv

  5759. 

  5760. check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"

  5761. int x;

  5762. EOF

  5763. 

  5764. 

  5765. if enabled icc; then

  5766.     # Just warnings, no remarks

  5767.     check_cflags -w1

  5768.     # -wd: Disable following warnings

  5769.     # 144, 167, 556: -Wno-pointer-sign

  5770.     # 188: enumerated type mixed with another type

  5771.     # 1292: attribute "foo" ignored

  5772.     # 1419: external declaration in primary source file

  5773.     # 10006: ignoring unknown option -fno-signed-zeros

  5774.     # 10148: ignoring unknown option -Wno-parentheses

  5775.     # 10156: ignoring option '-W'; no argument required

  5776.     # 13200: No EMMS instruction before call to function

  5777.     # 13203: No EMMS instruction before return from function

  5778.     check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203

  5779.     # 11030: Warning unknown option --as-needed

  5780.     # 10156: ignoring option '-export'; no argument required

  5781.     check_ldflags -wd10156,11030

  5782.     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test

  5783.     enable ebp_available

  5784.     # The test above does not test linking

  5785.     enabled lto && disable symver_asm_label

  5786.     if enabled x86_32; then

  5787.         icc_version=$($cc -dumpversion)

  5788.         test ${icc_version%%.*} -ge 11 &&

  5789.             check_cflags -falign-stack=maintain-16-byte ||

  5790.             disable aligned_stack

  5791.     fi

  5792. elif enabled ccc; then

  5793.     # disable some annoying warnings

  5794.     add_cflags -msg_disable bitnotint

  5795.     add_cflags -msg_disable mixfuncvoid

  5796.     add_cflags -msg_disable nonstandcast

  5797.     add_cflags -msg_disable unsupieee

  5798. elif enabled gcc; then

  5799.     check_optflags -fno-tree-vectorize

  5800.     check_cflags -Werror=format-security

  5801.     check_cflags -Werror=implicit-function-declaration

  5802.     check_cflags -Werror=missing-prototypes

  5803.     check_cflags -Werror=return-type

  5804.     check_cflags -Werror=vla

  5805.     check_cflags -Wformat

  5806.     check_cflags -fdiagnostics-color=auto

  5807.     enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized

  5808. elif enabled llvm_gcc; then

  5809.     check_cflags -mllvm -stack-alignment=16

  5810. elif enabled clang; then

  5811.     check_cflags -mllvm -stack-alignment=16

  5812.     check_cflags -Qunused-arguments

  5813.     check_cflags -Werror=implicit-function-declaration

  5814.     check_cflags -Werror=missing-prototypes

  5815.     check_cflags -Werror=return-type

  5816. elif enabled cparser; then

  5817.     add_cflags -Wno-missing-variable-declarations

  5818.     add_cflags -Wno-empty-statement

  5819. elif enabled armcc; then

  5820.     add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat

  5821.     add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir

  5822.     # 2523: use of inline assembly is deprecated

  5823.     add_cflags -W${armcc_opt},--diag_suppress=2523

  5824.     add_cflags -W${armcc_opt},--diag_suppress=1207

  5825.     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition

  5826.     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat

  5827.     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign

  5828.     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign

  5829. elif enabled tms470; then

  5830.     add_cflags -pds=824 -pds=837

  5831.     disable inline_asm

  5832. elif enabled pathscale; then

  5833.     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF

  5834. elif enabled_any msvc icl; then

  5835.     enabled x86_32 && disable aligned_stack

  5836.     enabled_all x86_32 debug && add_cflags -Oy-

  5837.     enabled debug && add_ldflags -debug

  5838.     enable pragma_deprecated

  5839.     if enabled icl; then

  5840.         # -Qansi-alias is basically -fstrict-aliasing, but does not work

  5841.         # (correctly) on icl 13.x.

  5842.         check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&

  5843.             add_cflags -Qansi-alias

  5844.         # Some inline asm is not compilable in debug

  5845.         if enabled debug; then

  5846.             disable ebp_available

  5847.             disable ebx_available

  5848.         fi

  5849.     fi

  5850.     # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.

  5851.     check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2

  5852.     # The CRT headers contain __declspec(restrict) in a few places, but if redefining

  5853.     # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)

  5854.     # (as it ends up if the restrict redefine is done before including stdlib.h), while

  5855.     # MSVC 2013 and newer can handle it fine.

  5856.     # If this declspec fails, force including stdlib.h before the restrict redefinition

  5857.     # happens in config.h.

  5858.     if [ $_restrict != restrict ]; then

  5859.         check_cc <<EOF || add_cflags -FIstdlib.h

  5860. __declspec($_restrict) void* foo(int);

  5861. EOF

  5862.     fi

  5863.     check_func strtoll || add_cflags -Dstrtoll=_strtoi64

  5864. fi

  5865. 

  5866. for pfx in "" host_; do

  5867.     varname=${pfx%_}cc_type

  5868.     eval "type=\$$varname"

  5869.     if [ $type = "msvc" ]; then

  5870.         check_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline

  5871. static inline int foo(int a) { return a; }

  5872. EOF

  5873.     fi

  5874. done

  5875. 

  5876. case $as_type in

  5877.     clang)

  5878.         add_asflags -Qunused-arguments

  5879.     ;;

  5880. esac

  5881. 

  5882. case $ld_type in

  5883.     clang)

  5884.         check_ldflags -Qunused-arguments

  5885.     ;;

  5886. esac

  5887. 

  5888. case $target_os in

  5889.     osf1)

  5890.         enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'

  5891.     ;;

  5892.     plan9)

  5893.         add_cppflags -Dmain=plan9_main

  5894.     ;;

  5895. esac

  5896. 

  5897. enable frame_thread_encoder

  5898. 

  5899. enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }

  5900. 

  5901. check_deps $CONFIG_LIST       \

  5902.            $CONFIG_EXTRA      \

  5903.            $HAVE_LIST         \

  5904.            $ALL_COMPONENTS    \

  5905. 

  5906. 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"

  5907. 

  5908. 

  5909. if test $target_os = "haiku"; then

  5910.     disable memalign

  5911.     disable posix_memalign

  5912. fi

  5913. 

  5914. enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&

  5915.     prepend ffmpeg_libs $($ldflags_filter "-lole32" "-luser32") &&

  5916.     enable dxva2_lib

  5917. 

  5918. ! enabled_any memalign posix_memalign aligned_malloc &&

  5919.     enabled simd_align_16 && enable memalign_hack

  5920. 

  5921. # add_dep lib dep

  5922. # -> enable ${lib}_deps_${dep}

  5923. # -> add $dep to ${lib}_deps only once

  5924. add_dep() {

  5925.     lib=$1

  5926.     dep=$2

  5927.     enabled "${lib}_deps_${dep}" && return 0

  5928.     enable  "${lib}_deps_${dep}"

  5929.     prepend "${lib}_deps" $dep

  5930. }

  5931. 

  5932. # merge deps lib components

  5933. # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*

  5934. merge_deps() {

  5935.     lib=$1

  5936.     shift

  5937.     for comp in $*; do

  5938.         enabled $comp || continue

  5939.         eval "dep=\"\$${comp}_deps\""

  5940.         for d in $dep; do

  5941.             add_dep $lib $d

  5942.         done

  5943.     done

  5944. }

  5945. 

  5946. merge_deps libavfilter $FILTER_LIST

  5947. 

  5948. map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST

  5949. 

  5950. for thread in $THREADS_LIST; do

  5951.     if enabled $thread; then

  5952.         test -n "$thread_type" &&

  5953.             die "ERROR: Only one thread type must be selected." ||

  5954.             thread_type="$thread"

  5955.     fi

  5956. done

  5957. 

  5958. enabled zlib && add_cppflags -DZLIB_CONST

  5959. 

  5960. # conditional library dependencies, in linking order

  5961. enabled amovie_filter       && prepend avfilter_deps "avformat avcodec"

  5962. enabled aresample_filter    && prepend avfilter_deps "swresample"

  5963. enabled asyncts_filter      && prepend avfilter_deps "avresample"

  5964. enabled atempo_filter       && prepend avfilter_deps "avcodec"

  5965. enabled cover_rect_filter   && prepend avfilter_deps "avformat avcodec"

  5966. enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"

  5967. enabled elbg_filter         && prepend avfilter_deps "avcodec"

  5968. enabled fftfilt_filter      && prepend avfilter_deps "avcodec"

  5969. enabled find_rect_filter    && prepend avfilter_deps "avformat avcodec"

  5970. enabled mcdeint_filter      && prepend avfilter_deps "avcodec"

  5971. enabled movie_filter    && prepend avfilter_deps "avformat avcodec"

  5972. enabled pan_filter          && prepend avfilter_deps "swresample"

  5973. enabled pp_filter           && prepend avfilter_deps "postproc"

  5974. enabled removelogo_filter   && prepend avfilter_deps "avformat avcodec swscale"

  5975. enabled resample_filter && prepend avfilter_deps "avresample"

  5976. enabled sab_filter          && prepend avfilter_deps "swscale"

  5977. enabled scale_filter    && prepend avfilter_deps "swscale"

  5978. enabled scale2ref_filter    && prepend avfilter_deps "swscale"

  5979. enabled showspectrum_filter && prepend avfilter_deps "avcodec"

  5980. enabled smartblur_filter    && prepend avfilter_deps "swscale"

  5981. enabled subtitles_filter    && prepend avfilter_deps "avformat avcodec"

  5982. enabled uspp_filter         && prepend avfilter_deps "avcodec"

  5983. 

  5984. enabled lavfi_indev         && prepend avdevice_deps "avfilter"

  5985. 

  5986. enabled opus_decoder    && prepend avcodec_deps "swresample"

  5987. 

  5988. expand_deps(){

  5989.     lib_deps=${1}_deps

  5990.     eval "deps=\$$lib_deps"

  5991.     append $lib_deps $(map 'eval echo \$${v}_deps' $deps)

  5992.     unique $lib_deps

  5993. }

  5994. 

  5995. #we have to remove gpl from the deps here as some code assumes all lib deps are libs

  5996. postproc_deps="$(filter_out 'gpl' $postproc_deps)"

  5997. 

  5998. map 'expand_deps $v' $LIBRARY_LIST

  5999. 

  6000. echo "install prefix            $prefix"

  6001. echo "source path               $source_path"

  6002. echo "C compiler                $cc"

  6003. echo "C library                 $libc_type"

  6004. if test "$host_cc" != "$cc"; then

  6005.     echo "host C compiler           $host_cc"

  6006.     echo "host C library            $host_libc_type"

  6007. fi

  6008. echo "ARCH                      $arch ($cpu)"

  6009. if test "$build_suffix" != ""; then

  6010.     echo "build suffix              $build_suffix"

  6011. fi

  6012. if test "$progs_suffix" != ""; then

  6013.     echo "progs suffix              $progs_suffix"

  6014. fi

  6015. if test "$extra_version" != ""; then

  6016.     echo "version string suffix     $extra_version"

  6017. fi

  6018. echo "big-endian                ${bigendian-no}"

  6019. echo "runtime cpu detection     ${runtime_cpudetect-no}"

  6020. if enabled x86; then

  6021.     echo "${yasmexe}                      ${yasm-no}"

  6022.     echo "MMX enabled               ${mmx-no}"

  6023.     echo "MMXEXT enabled            ${mmxext-no}"

  6024.     echo "3DNow! enabled            ${amd3dnow-no}"

  6025.     echo "3DNow! extended enabled   ${amd3dnowext-no}"

  6026.     echo "SSE enabled               ${sse-no}"

  6027.     echo "SSSE3 enabled             ${ssse3-no}"

  6028.     echo "AESNI enabled             ${aesni-no}"

  6029.     echo "AVX enabled               ${avx-no}"

  6030.     echo "XOP enabled               ${xop-no}"

  6031.     echo "FMA3 enabled              ${fma3-no}"

  6032.     echo "FMA4 enabled              ${fma4-no}"

  6033.     echo "i686 features enabled     ${i686-no}"

  6034.     echo "CMOV is fast              ${fast_cmov-no}"

  6035.     echo "EBX available             ${ebx_available-no}"

  6036.     echo "EBP available             ${ebp_available-no}"

  6037. fi

  6038. if enabled aarch64; then

  6039.     echo "NEON enabled              ${neon-no}"

  6040.     echo "VFP enabled               ${vfp-no}"

  6041. fi

  6042. if enabled arm; then

  6043.     echo "ARMv5TE enabled           ${armv5te-no}"

  6044.     echo "ARMv6 enabled             ${armv6-no}"

  6045.     echo "ARMv6T2 enabled           ${armv6t2-no}"

  6046.     echo "VFP enabled               ${vfp-no}"

  6047.     echo "NEON enabled              ${neon-no}"

  6048.     echo "THUMB enabled             ${thumb-no}"

  6049. fi

  6050. if enabled mips; then

  6051.     echo "MIPS FPU enabled          ${mipsfpu-no}"

  6052.     echo "MIPS32R5 enabled          ${mips32r5-no}"

  6053.     echo "MIPS64R6 enabled          ${mips64r6-no}"

  6054.     echo "MIPS DSP R1 enabled       ${mipsdspr1-no}"

  6055.     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"

  6056.     echo "MIPS MSA enabled          ${msa-no}"

  6057.     echo "LOONGSON MMI enabled      ${mmi-no}"

  6058. fi

  6059. if enabled ppc; then

  6060.     echo "AltiVec enabled           ${altivec-no}"

  6061.     echo "VSX enabled               ${vsx-no}"

  6062.     echo "POWER8 enabled            ${power8-no}"

  6063.     echo "PPC 4xx optimizations     ${ppc4xx-no}"

  6064.     echo "dcbzl available           ${dcbzl-no}"

  6065. fi

  6066. echo "debug symbols             ${debug-no}"

  6067. echo "strip symbols             ${stripping-no}"

  6068. echo "optimize for size         ${small-no}"

  6069. echo "optimizations             ${optimizations-no}"

  6070. echo "static                    ${static-no}"

  6071. echo "shared                    ${shared-no}"

  6072. echo "postprocessing support    ${postproc-no}"

  6073. echo "new filter support        ${avfilter-no}"

  6074. echo "network support           ${network-no}"

  6075. echo "threading support         ${thread_type-no}"

  6076. echo "safe bitstream reader     ${safe_bitstream_reader-no}"

  6077. echo "SDL support               ${sdl-no}"

  6078. echo "opencl enabled            ${opencl-no}"

  6079. echo "texi2html enabled         ${texi2html-no}"

  6080. echo "perl enabled              ${perl-no}"

  6081. echo "pod2man enabled           ${pod2man-no}"

  6082. echo "makeinfo enabled          ${makeinfo-no}"

  6083. echo "makeinfo supports HTML    ${makeinfo_html-no}"

  6084. test -n "$random_seed" &&

  6085.     echo "random seed               ${random_seed}"

  6086. echo

  6087. 

  6088. echo "Enabled programs:"

  6089. print_enabled '' $PROGRAM_LIST | print_in_columns

  6090. echo

  6091. 

  6092. echo "External libraries:"

  6093. print_enabled '' $EXTERNAL_LIBRARY_LIST | print_in_columns

  6094. echo

  6095. 

  6096. for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do

  6097.     echo "Enabled ${type}s:"

  6098.     eval list=\$$(toupper $type)_LIST

  6099.     print_enabled '_*' $list | print_in_columns

  6100.     echo

  6101. done

  6102. 

  6103. license="LGPL version 2.1 or later"

  6104. if enabled nonfree; then

  6105.     license="nonfree and unredistributable"

  6106. elif enabled gplv3; then

  6107.     license="GPL version 3 or later"

  6108. elif enabled lgplv3; then

  6109.     license="LGPL version 3 or later"

  6110. elif enabled gpl; then

  6111.     license="GPL version 2 or later"

  6112. fi

  6113. 

  6114. echo "License: $license"

  6115. 

  6116. echo "Creating config.mak, config.h, and doc/config.texi..."

  6117. 

  6118. test -e Makefile || echo "include $source_path/Makefile" > Makefile

  6119. 

  6120. enabled stripping || strip="echo skipping strip"

  6121. 

  6122. config_files="$TMPH config.mak doc/config.texi"

  6123. 

  6124. cat > config.mak <<EOF

  6125. # Automatically generated by configure - do not modify!

  6126. ifndef FFMPEG_CONFIG_MAK

  6127. FFMPEG_CONFIG_MAK=1

  6128. FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION

  6129. prefix=$prefix

  6130. LIBDIR=\$(DESTDIR)$libdir

  6131. SHLIBDIR=\$(DESTDIR)$shlibdir

  6132. INCDIR=\$(DESTDIR)$incdir

  6133. BINDIR=\$(DESTDIR)$bindir

  6134. DATADIR=\$(DESTDIR)$datadir

  6135. DOCDIR=\$(DESTDIR)$docdir

  6136. MANDIR=\$(DESTDIR)$mandir

  6137. PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir

  6138. SRC_PATH=$source_path

  6139. ifndef MAIN_MAKEFILE

  6140. SRC_PATH:=\$(SRC_PATH:.%=..%)

  6141. endif

  6142. CC_IDENT=$cc_ident

  6143. ARCH=$arch

  6144. INTRINSICS=$intrinsics

  6145. CC=$cc

  6146. CXX=$cxx

  6147. AS=$as

  6148. LD=$ld

  6149. DEPCC=$dep_cc

  6150. DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)

  6151. DEPAS=$as

  6152. DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)

  6153. YASM=$yasmexe

  6154. DEPYASM=$yasmexe

  6155. AR=$ar

  6156. ARFLAGS=$arflags

  6157. AR_O=$ar_o

  6158. RANLIB=$ranlib

  6159. STRIP=$strip

  6160. CP=cp -p

  6161. LN_S=$ln_s

  6162. CPPFLAGS=$CPPFLAGS

  6163. CFLAGS=$CFLAGS

  6164. CXXFLAGS=$CXXFLAGS

  6165. ASFLAGS=$ASFLAGS

  6166. AS_C=$AS_C

  6167. AS_O=$AS_O

  6168. CC_C=$CC_C

  6169. CC_E=$CC_E

  6170. CC_O=$CC_O

  6171. CXX_C=$CXX_C

  6172. CXX_O=$CXX_O

  6173. LD_O=$LD_O

  6174. LD_LIB=$LD_LIB

  6175. LD_PATH=$LD_PATH

  6176. DLLTOOL=$dlltool

  6177. WINDRES=$windres

  6178. DEPWINDRES=$dep_cc

  6179. DOXYGEN=$doxygen

  6180. LDFLAGS=$LDFLAGS

  6181. LDEXEFLAGS=$LDEXEFLAGS

  6182. LDLIBFLAGS=$LDLIBFLAGS

  6183. SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))

  6184. ASMSTRIPFLAGS=$ASMSTRIPFLAGS

  6185. YASMFLAGS=$YASMFLAGS

  6186. BUILDSUF=$build_suffix

  6187. PROGSSUF=$progs_suffix

  6188. FULLNAME=$FULLNAME

  6189. LIBPREF=$LIBPREF

  6190. LIBSUF=$LIBSUF

  6191. LIBNAME=$LIBNAME

  6192. SLIBPREF=$SLIBPREF

  6193. SLIBSUF=$SLIBSUF

  6194. EXESUF=$EXESUF

  6195. EXTRA_VERSION=$extra_version

  6196. CCDEP=$CCDEP

  6197. CXXDEP=$CXXDEP

  6198. CCDEP_FLAGS=$CCDEP_FLAGS

  6199. ASDEP=$ASDEP

  6200. ASDEP_FLAGS=$ASDEP_FLAGS

  6201. CC_DEPFLAGS=$CC_DEPFLAGS

  6202. AS_DEPFLAGS=$AS_DEPFLAGS

  6203. HOSTCC=$host_cc

  6204. HOSTLD=$host_ld

  6205. HOSTCFLAGS=$host_cflags

  6206. HOSTCPPFLAGS=$host_cppflags

  6207. HOSTEXESUF=$HOSTEXESUF

  6208. HOSTLDFLAGS=$host_ldflags

  6209. HOSTLIBS=$host_libs

  6210. DEPHOSTCC=$host_cc

  6211. DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)

  6212. HOSTCCDEP=$HOSTCCDEP

  6213. HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS

  6214. HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS

  6215. HOSTCC_C=$HOSTCC_C

  6216. HOSTCC_O=$HOSTCC_O

  6217. HOSTLD_O=$HOSTLD_O

  6218. TARGET_EXEC=$target_exec $target_exec_args

  6219. TARGET_PATH=$target_path

  6220. TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}

  6221. CFLAGS-ffplay=$sdl_cflags

  6222. ZLIB=$($ldflags_filter -lz)

  6223. LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD

  6224. EXTRALIBS=$extralibs

  6225. COMPAT_OBJS=$compat_objs

  6226. EXEOBJS=$exeobjs

  6227. INSTALL=$install

  6228. LIBTARGET=${LIBTARGET}

  6229. SLIBNAME=${SLIBNAME}

  6230. SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}

  6231. SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}

  6232. SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}

  6233. SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}

  6234. SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}

  6235. SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}

  6236. SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}

  6237. SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}

  6238. SAMPLES:=${samples:-\$(FATE_SAMPLES)}

  6239. NOREDZONE_FLAGS=$noredzone_flags

  6240. EOF

  6241. 

  6242. get_version(){

  6243.     lcname=lib${1}

  6244.     name=$(toupper $lcname)

  6245.     file=$source_path/$lcname/version.h

  6246.     eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")

  6247.     enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))

  6248.     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO

  6249.     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak

  6250.     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak

  6251.     eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak

  6252. }

  6253. 

  6254. map 'get_version $v' $LIBRARY_LIST

  6255. 

  6256. map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST

  6257. 

  6258. print_program_libs(){

  6259.     eval "program_libs=\$${1}_libs"

  6260.     eval echo "LIBS-${1}=${program_libs}" >> config.mak

  6261. }

  6262. 

  6263. map 'print_program_libs $v' $PROGRAM_LIST

  6264. 

  6265. cat > $TMPH <<EOF

  6266. /* Automatically generated by configure - do not modify! */

  6267. #ifndef FFMPEG_CONFIG_H

  6268. #define FFMPEG_CONFIG_H

  6269. #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"

  6270. #define FFMPEG_LICENSE "$(c_escape $license)"

  6271. #define CONFIG_THIS_YEAR 2015

  6272. #define FFMPEG_DATADIR "$(eval c_escape $datadir)"

  6273. #define AVCONV_DATADIR "$(eval c_escape $datadir)"

  6274. #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"

  6275. #define av_restrict $_restrict

  6276. #define EXTERN_PREFIX "${extern_prefix}"

  6277. #define EXTERN_ASM ${extern_prefix}

  6278. #define BUILDSUF "$build_suffix"

  6279. #define SLIBSUF "$SLIBSUF"

  6280. #define HAVE_MMX2 HAVE_MMXEXT

  6281. #define SWS_MAX_FILTER_SIZE $sws_max_filter_size

  6282. EOF

  6283. 

  6284. test -n "$assert_level" &&

  6285.     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH

  6286. 

  6287. test -n "$malloc_prefix" &&

  6288.     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH

  6289. 

  6290. if enabled yasm; then

  6291.     append config_files $TMPASM

  6292.     printf '' >$TMPASM

  6293. fi

  6294. 

  6295. enabled getenv || echo "#define getenv(x) NULL" >> $TMPH

  6296. 

  6297. 

  6298. mkdir -p doc

  6299. mkdir -p tests

  6300. mkdir -p tests/api

  6301. echo "@c auto-generated by configure - do not modify! " > doc/config.texi

  6302. 

  6303. print_config ARCH_   "$config_files" $ARCH_LIST

  6304. print_config HAVE_   "$config_files" $HAVE_LIST

  6305. print_config CONFIG_ "$config_files" $CONFIG_LIST       \

  6306.                                      $CONFIG_EXTRA      \

  6307.                                      $ALL_COMPONENTS    \

  6308. 

  6309. echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH

  6310. echo "endif # FFMPEG_CONFIG_MAK" >> config.mak

  6311. 

  6312. # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.

  6313. cp_if_changed $TMPH config.h

  6314. touch .config

  6315. 

  6316. enabled yasm && cp_if_changed $TMPASM config.asm

  6317. 

  6318. cat > $TMPH <<EOF

  6319. /* Generated by ffconf */

  6320. #ifndef AVUTIL_AVCONFIG_H

  6321. #define AVUTIL_AVCONFIG_H

  6322. EOF

  6323. 

  6324. print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB

  6325. 

  6326. echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH

  6327. 

  6328. cp_if_changed $TMPH libavutil/avconfig.h

  6329. 

  6330. if test -n "$WARNINGS"; then

  6331.     printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"

  6332.     enabled fatal_warnings && exit 1

  6333. fi

  6334. 

  6335. # build pkg-config files

  6336. 

  6337. lib_version(){

  6338.     eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""

  6339. }

  6340. 

  6341. pkgconfig_generate(){

  6342.     name=$1

  6343.     shortname=${name#lib}${build_suffix}

  6344.     comment=$2

  6345.     version=$3

  6346.     libs=$4

  6347.     requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))

  6348.     requires=${requires%, }

  6349.     enabled ${name#lib} || return 0

  6350.     mkdir -p $name

  6351.     cat <<EOF > $name/$name${build_suffix}.pc

  6352. prefix=$prefix

  6353. exec_prefix=\${prefix}

  6354. libdir=$libdir

  6355. includedir=$incdir

  6356. 

  6357. Name: $name

  6358. Description: $comment

  6359. Version: $version

  6360. Requires: $(enabled shared || echo $requires)

  6361. Requires.private: $(enabled shared && echo $requires)

  6362. Conflicts:

  6363. Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)

  6364. Libs.private: $(enabled shared && echo $libs)

  6365. Cflags: -I\${includedir}

  6366. EOF

  6367. 

  6368. mkdir -p doc/examples/pc-uninstalled

  6369. includedir=${source_path}

  6370. [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."

  6371.     cat <<EOF > doc/examples/pc-uninstalled/$name.pc

  6372. prefix=

  6373. exec_prefix=

  6374. libdir=\${pcfiledir}/../../../$name

  6375. includedir=${includedir}

  6376. 

  6377. Name: $name

  6378. Description: $comment

  6379. Version: $version

  6380. Requires: $requires

  6381. Conflicts:

  6382. Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)

  6383. Cflags: -I\${includedir}

  6384. EOF

  6385. }

  6386. 

  6387. pkgconfig_generate libavutil     "FFmpeg utility library"               "$LIBAVUTIL_VERSION"     "$LIBRT $LIBM"

  6388. pkgconfig_generate libavcodec    "FFmpeg codec library"                 "$LIBAVCODEC_VERSION"    "$extralibs"

  6389. pkgconfig_generate libavformat   "FFmpeg container format library"      "$LIBAVFORMAT_VERSION"   "$extralibs"

  6390. pkgconfig_generate libavdevice   "FFmpeg device handling library"       "$LIBAVDEVICE_VERSION"   "$extralibs"

  6391. pkgconfig_generate libavfilter   "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION"   "$extralibs"

  6392. pkgconfig_generate libpostproc   "FFmpeg postprocessing library"        "$LIBPOSTPROC_VERSION"   ""

  6393. pkgconfig_generate libavresample "Libav audio resampling library"       "$LIBAVRESAMPLE_VERSION" "$LIBM"

  6394. pkgconfig_generate libswscale    "FFmpeg image rescaling library"       "$LIBSWSCALE_VERSION"    "$LIBM"

  6395. pkgconfig_generate libswresample "FFmpeg audio resampling library"      "$LIBSWRESAMPLE_VERSION" "$LIBM $LIBSOXR"