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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-avutil         disable libavutil build

  132.   --disable-swresample     disable libswresample build

  133.   --disable-swscale        disable libswscale build

  134.   --disable-postproc       disable libpostproc build

  135.   --disable-avfilter       disable libavfilter build

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

  137.   --disable-pthreads       disable pthreads [autodetect]

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

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

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

  141.   --disable-dct            disable DCT code

  142.   --disable-dwt            disable DWT code

  143.   --disable-error-resilience disable error resilience code

  144.   --disable-lsp            disable LSP code

  145.   --disable-lzo            disable LZO decoder code

  146.   --disable-mdct           disable MDCT code

  147.   --disable-rdft           disable RDFT code

  148.   --disable-fft            disable FFT code

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

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

  151. 

  152. Hardware accelerators:

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

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

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

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

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

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

  159. 

  160. Individual component options:

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

  162.   --disable-encoder=NAME   disable encoder NAME

  163.   --enable-encoder=NAME    enable encoder NAME

  164.   --disable-encoders       disable all encoders

  165.   --disable-decoder=NAME   disable decoder NAME

  166.   --enable-decoder=NAME    enable decoder NAME

  167.   --disable-decoders       disable all decoders

  168.   --disable-hwaccel=NAME   disable hwaccel NAME

  169.   --enable-hwaccel=NAME    enable hwaccel NAME

  170.   --disable-hwaccels       disable all hwaccels

  171.   --disable-muxer=NAME     disable muxer NAME

  172.   --enable-muxer=NAME      enable muxer NAME

  173.   --disable-muxers         disable all muxers

  174.   --disable-demuxer=NAME   disable demuxer NAME

  175.   --enable-demuxer=NAME    enable demuxer NAME

  176.   --disable-demuxers       disable all demuxers

  177.   --enable-parser=NAME     enable parser NAME

  178.   --disable-parser=NAME    disable parser NAME

  179.   --disable-parsers        disable all parsers

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

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

  182.   --disable-bsfs           disable all bitstream filters

  183.   --enable-protocol=NAME   enable protocol NAME

  184.   --disable-protocol=NAME  disable protocol NAME

  185.   --disable-protocols      disable all protocols

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

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

  188.   --disable-indevs         disable input devices

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

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

  191.   --disable-outdevs        disable output devices

  192.   --disable-devices        disable all devices

  193.   --enable-filter=NAME     enable filter NAME

  194.   --disable-filter=NAME    disable filter NAME

  195.   --disable-filters        disable all filters

  196. 

  197. External library support:

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

  199.   --disable-bzlib          disable bzlib [autodetect]

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

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

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

  203.                            if openssl is not used [no]

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

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

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

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

  208.                            needed for subtitles and ass filter [no]

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

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

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

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

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

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

  215.                            and libraw1394 [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  231.                            native (de)muxer exists [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  258.                            native implementation exists [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  273.   --disable-lzma           disable lzma [autodetect]

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

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

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

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

  278.   --enable-opencl          enable OpenCL code

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

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

  281.                            if gnutls is not used [no]

  282.   --disable-sdl            disable sdl [autodetect]

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

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

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

  286.   --disable-xlib           disable xlib [autodetect]

  287.   --disable-zlib           disable zlib [autodetect]

  288. 

  289. Toolchain options:

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

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

  292.                            instruction selection, may crash on older CPUs)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  337. 

  338. Advanced options (experts only):

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

  340.   --disable-symver         disable symbol versioning

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

  342.   --disable-safe-bitstream-reader

  343.                            disable buffer boundary checking in bitreaders

  344.                            (faster, but may crash)

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

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

  347. 

  348. Optimization options (experts only):

  349.   --disable-asm            disable all assembly optimizations

  350.   --disable-altivec        disable AltiVec optimizations

  351.   --disable-vsx            disable VSX optimizations

  352.   --disable-power8         disable POWER8 optimizations

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

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

  355.   --disable-mmx            disable MMX optimizations

  356.   --disable-mmxext         disable MMXEXT optimizations

  357.   --disable-sse            disable SSE optimizations

  358.   --disable-sse2           disable SSE2 optimizations

  359.   --disable-sse3           disable SSE3 optimizations

  360.   --disable-ssse3          disable SSSE3 optimizations

  361.   --disable-sse4           disable SSE4 optimizations

  362.   --disable-sse42          disable SSE4.2 optimizations

  363.   --disable-avx            disable AVX optimizations

  364.   --disable-xop            disable XOP optimizations

  365.   --disable-fma3           disable FMA3 optimizations

  366.   --disable-fma4           disable FMA4 optimizations

  367.   --disable-avx2           disable AVX2 optimizations

  368.   --disable-armv5te        disable armv5te optimizations

  369.   --disable-armv6          disable armv6 optimizations

  370.   --disable-armv6t2        disable armv6t2 optimizations

  371.   --disable-vfp            disable VFP optimizations

  372.   --disable-neon           disable NEON optimizations

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

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

  375.   --disable-mips32r5       disable MIPS32R5 optimizations

  376.   --disable-mips64r6       disable MIPS64R6 optimizations

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

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

  379.   --disable-msa            disable MSA optimizations

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

  381.   --disable-mmi            disable Loongson SIMD optimizations

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

  383. 

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

  385.   --disable-debug          disable debugging symbols

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

  387.   --disable-optimizations  disable compiler optimizations

  388.   --enable-extra-warnings  enable more compiler warnings

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

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

  391.                            2 causes a slowdown at runtime.

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

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

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

  395.                            Cannot be combined with --target-exec

  396.   --enable-ftrapv          Trap arithmetic overflows

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

  398.                            \$FATE_SAMPLES at make invocation time.

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

  400.                            used only for debugging purposes)

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

  402.                            should be used only for debugging purposes)

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

  404.   --disable-random

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

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

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

  408.                            (group) and PROB the probability associated with

  409.                            NAME (default 0.5).

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

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

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

  413. 

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

  415. EOF

  416.   exit 0

  417. }

  418. 

  419. quotes='""'

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

  421.     ncolors=$(tput colors)

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

  423.         bold_color=$(tput bold)

  424.         warn_color=$(tput setaf 3)

  425.         error_color=$(tput setaf 1)

  426.         reset_color=$(tput sgr0)

  427.     fi

  428. fi

  429. 

  430. log(){

  431.     echo "$@" >> $logfile

  432. }

  433. 

  434. log_file(){

  435.     log BEGIN $1

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

  437.     log END $1

  438. }

  439. 

  440. warn(){

  441.     log "WARNING: $*"

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

  443. }

  444. 

  445. die(){

  446.     log "$@"

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

  448.     cat <<EOF

  449. 

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

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

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

  453. EOF

  454.     if disabled logging; then

  455.         cat <<EOF

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

  457. include the log this produces with your report.

  458. EOF

  459.     else

  460.         cat <<EOF

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

  462. solve the problem.

  463. EOF

  464.     fi

  465.     exit 1

  466. }

  467. 

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

  469. toupper(){

  470.     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ

  471. }

  472. 

  473. tolower(){

  474.     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz

  475. }

  476. 

  477. c_escape(){

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

  479. }

  480. 

  481. sh_quote(){

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

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

  484.     echo "$v"

  485. }

  486. 

  487. cleanws(){

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

  489. }

  490. 

  491. filter(){

  492.     pat=$1

  493.     shift

  494.     for v; do

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

  496.     done

  497. }

  498. 

  499. filter_out(){

  500.     pat=$1

  501.     shift

  502.     for v; do

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

  504.     done

  505. }

  506. 

  507. map(){

  508.     m=$1

  509.     shift

  510.     for v; do eval $m; done

  511. }

  512. 

  513. add_suffix(){

  514.     suffix=$1

  515.     shift

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

  517. }

  518. 

  519. set_all(){

  520.     value=$1

  521.     shift

  522.     for var in $*; do

  523.         eval $var=$value

  524.     done

  525. }

  526. 

  527. set_weak(){

  528.     value=$1

  529.     shift

  530.     for var; do

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

  532.     done

  533. }

  534. 

  535. sanitize_var_name(){

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

  537. }

  538. 

  539. set_safe(){

  540.     var=$1

  541.     shift

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

  543. }

  544. 

  545. get_safe(){

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

  547. }

  548. 

  549. pushvar(){

  550.     for pvar in $*; do

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

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

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

  554.     done

  555. }

  556. 

  557. popvar(){

  558.     for pvar in $*; do

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

  560.         test $level = 0 && continue

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

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

  563.         eval ${pvar}_level=$level

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

  565.     done

  566. }

  567. 

  568. enable(){

  569.     set_all yes $*

  570. }

  571. 

  572. disable(){

  573.     set_all no $*

  574. }

  575. 

  576. enable_weak(){

  577.     set_weak yes $*

  578. }

  579. 

  580. disable_weak(){

  581.     set_weak no $*

  582. }

  583. 

  584. enable_safe(){

  585.     for var; do

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

  587.     done

  588. }

  589. 

  590. disable_safe(){

  591.     for var; do

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

  593.     done

  594. }

  595. 

  596. do_enable_deep(){

  597.     for var; do

  598.         enabled $var && continue

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

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

  601.         pushvar var sgs

  602.         enable_deep $sel

  603.         popvar sgs

  604.         enable_deep_weak $sgs

  605.         popvar var

  606.     done

  607. }

  608. 

  609. enable_deep(){

  610.     do_enable_deep $*

  611.     enable $*

  612. }

  613. 

  614. enable_deep_weak(){

  615.     for var; do

  616.         disabled $var && continue

  617.         pushvar var

  618.         do_enable_deep $var

  619.         popvar var

  620.         enable_weak $var

  621.     done

  622. }

  623. 

  624. enabled(){

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

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

  627. }

  628. 

  629. disabled(){

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

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

  632. }

  633. 

  634. enabled_all(){

  635.     for opt; do

  636.         enabled $opt || return 1

  637.     done

  638. }

  639. 

  640. disabled_all(){

  641.     for opt; do

  642.         disabled $opt || return 1

  643.     done

  644. }

  645. 

  646. enabled_any(){

  647.     for opt; do

  648.         enabled $opt && return 0

  649.     done

  650. }

  651. 

  652. disabled_any(){

  653.     for opt; do

  654.         disabled $opt && return 0

  655.     done

  656.     return 1

  657. }

  658. 

  659. set_default(){

  660.     for opt; do

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

  662.     done

  663. }

  664. 

  665. is_in(){

  666.     value=$1

  667.     shift

  668.     for var in $*; do

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

  670.     done

  671.     return 1

  672. }

  673. 

  674. do_check_deps(){

  675.     for cfg; do

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

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

  678.         disabled ${cfg}_checking && continue

  679.         enable ${cfg}_checking

  680.         append allopts $cfg

  681. 

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

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

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

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

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

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

  688. 

  689.         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

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

  691.         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

  692. 

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

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

  695.         enabled_all  $dep_all || disable $cfg

  696.         enabled_any  $dep_any || disable $cfg

  697.         disabled_any $dep_sel && disable $cfg

  698. 

  699.         if enabled $cfg; then

  700.             enable_deep $dep_sel

  701.             enable_deep_weak $dep_sgs

  702.         fi

  703. 

  704.         disable ${cfg}_checking

  705.     done

  706. }

  707. 

  708. check_deps(){

  709.     unset allopts

  710. 

  711.     do_check_deps "$@"

  712. 

  713.     for cfg in $allopts; do

  714.         enabled $cfg || continue

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

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

  717.     done

  718. }

  719. 

  720. print_config(){

  721.     pfx=$1

  722.     files=$2

  723.     shift 2

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

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

  726.         {

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

  728.             v = \$2;

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

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

  731.             for (f in files) {

  732.                 file = files[f];

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

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

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

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

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

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

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

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

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

  742.                     yesno = \$2;

  743.                     c2 = tolower(c);

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

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

  746.                 }

  747.             }

  748.         }"

  749. }

  750. 

  751. print_enabled(){

  752.     suf=$1

  753.     shift

  754.     for v; do

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

  756.     done

  757. }

  758. 

  759. append(){

  760.     var=$1

  761.     shift

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

  763. }

  764. 

  765. prepend(){

  766.     var=$1

  767.     shift

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

  769. }

  770. 

  771. unique(){

  772.     var=$1

  773.     uniq_list=""

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

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

  776.     done

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

  778. }

  779. 

  780. add_cppflags(){

  781.     append CPPFLAGS "$@"

  782. }

  783. 

  784. add_cflags(){

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

  786. }

  787. 

  788. add_cxxflags(){

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

  790. }

  791. 

  792. add_asflags(){

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

  794. }

  795. 

  796. add_ldflags(){

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

  798. }

  799. 

  800. add_ldexeflags(){

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

  802. }

  803. 

  804. add_ldlibflags(){

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

  806. }

  807. 

  808. add_stripflags(){

  809.     append ASMSTRIPFLAGS "$@"

  810. }

  811. 

  812. add_extralibs(){

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

  814. }

  815. 

  816. add_host_cppflags(){

  817.     append host_cppflags "$@"

  818. }

  819. 

  820. add_host_cflags(){

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

  822. }

  823. 

  824. add_host_ldflags(){

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

  826. }

  827. 

  828. add_compat(){

  829.     append compat_objs $1

  830.     shift

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

  832. }

  833. 

  834. check_cmd(){

  835.     log "$@"

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

  837. }

  838. 

  839. check_stat(){

  840.     log check_stat "$@"

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

  842. }

  843. 

  844. cc_o(){

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

  846. }

  847. 

  848. cc_e(){

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

  850. }

  851. 

  852. check_cc(){

  853.     log check_cc "$@"

  854.     cat > $TMPC

  855.     log_file $TMPC

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

  857. }

  858. 

  859. check_cxx(){

  860.     log check_cxx "$@"

  861.     cat > $TMPCPP

  862.     log_file $TMPCPP

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

  864. }

  865. 

  866. check_oc(){

  867.     log check_oc "$@"

  868.     cat > $TMPM

  869.     log_file $TMPM

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

  871. }

  872. 

  873. check_cpp(){

  874.     log check_cpp "$@"

  875.     cat > $TMPC

  876.     log_file $TMPC

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

  878. }

  879. 

  880. as_o(){

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

  882. }

  883. 

  884. check_as(){

  885.     log check_as "$@"

  886.     cat > $TMPS

  887.     log_file $TMPS

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

  889. }

  890. 

  891. check_inline_asm(){

  892.     log check_inline_asm "$@"

  893.     name="$1"

  894.     code="$2"

  895.     shift 2

  896.     disable $name

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

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

  899. EOF

  900. }

  901. 

  902. check_insn(){

  903.     log check_insn "$@"

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

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

  906. }

  907. 

  908. check_yasm(){

  909.     log check_yasm "$@"

  910.     echo "$1" > $TMPS

  911.     log_file $TMPS

  912.     shift 1

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

  914. }

  915. 

  916. ld_o(){

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

  918. }

  919. 

  920. check_ld(){

  921.     log check_ld "$@"

  922.     type=$1

  923.     shift 1

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

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

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

  927.     flags=$($ldflags_filter $flags)

  928.     libs=$($ldflags_filter $libs)

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

  930. }

  931. 

  932. print_include(){

  933.     hdr=$1

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

  935.         echo "#include $hdr"    ||

  936.         echo "#include <$hdr>"

  937. }

  938. 

  939. check_code(){

  940.     log check_code "$@"

  941.     check=$1

  942.     headers=$2

  943.     code=$3

  944.     shift 3

  945.     {

  946.         for hdr in $headers; do

  947.             print_include $hdr

  948.         done

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

  950.     } | check_$check "$@"

  951. }

  952. 

  953. check_cppflags(){

  954.     log check_cppflags "$@"

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

  956. int x;

  957. EOF

  958. }

  959. 

  960. test_cflags(){

  961.     log test_cflags "$@"

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

  963.     check_cc "$@" <<EOF

  964. int x;

  965. EOF

  966. }

  967. 

  968. check_cflags(){

  969.     log check_cflags "$@"

  970.     test_cflags "$@" && add_cflags "$@"

  971. }

  972. 

  973. check_cxxflags(){

  974.     log check_cxxflags "$@"

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

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

  977. int x;

  978. EOF

  979. }

  980. 

  981. test_ldflags(){

  982.     log test_ldflags "$@"

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

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

  985. EOF

  986. }

  987. 

  988. check_ldflags(){

  989.     log check_ldflags "$@"

  990.     test_ldflags "$@" && add_ldflags "$@"

  991. }

  992. 

  993. test_stripflags(){

  994.     log test_stripflags "$@"

  995.     # call check_cc to get a fresh TMPO

  996.     check_cc <<EOF

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

  998. EOF

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

  1000. }

  1001. 

  1002. check_stripflags(){

  1003.     log check_stripflags "$@"

  1004.     test_stripflags "$@" && add_stripflags "$@"

  1005. }

  1006. 

  1007. check_header(){

  1008.     log check_header "$@"

  1009.     header=$1

  1010.     shift

  1011.     disable_safe $header

  1012.     check_cpp "$@" <<EOF && enable_safe $header

  1013. #include <$header>

  1014. int x;

  1015. EOF

  1016. }

  1017. 

  1018. check_header_oc(){

  1019.     log check_header_oc "$@"

  1020.     rm -f -- "$TMPO"

  1021.     header=$1

  1022.     shift

  1023.     disable_safe $header

  1024.     {

  1025.        echo "#include <$header>"

  1026.        echo "int main(void) { return 0; }"

  1027.     } | check_oc && check_stat "$TMPO" && enable_safe $headers

  1028. }

  1029. 

  1030. check_func(){

  1031.     log check_func "$@"

  1032.     func=$1

  1033.     shift

  1034.     disable $func

  1035.     check_ld "cc" "$@" <<EOF && enable $func

  1036. extern int $func();

  1037. int main(void){ $func(); }

  1038. EOF

  1039. }

  1040. 

  1041. check_mathfunc(){

  1042.     log check_mathfunc "$@"

  1043.     func=$1

  1044.     narg=$2

  1045.     shift 2

  1046.     test $narg = 2 && args="f, g" || args="f"

  1047.     disable $func

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

  1049. #include <math.h>

  1050. float foo(float f, float g) { return $func($args); }

  1051. int main(void){ return (int) foo; }

  1052. EOF

  1053. }

  1054. 

  1055. check_func_headers(){

  1056.     log check_func_headers "$@"

  1057.     headers=$1

  1058.     funcs=$2

  1059.     shift 2

  1060.     {

  1061.         for hdr in $headers; do

  1062.             print_include $hdr

  1063.         done

  1064.         for func in $funcs; do

  1065.             echo "long check_$func(void) { return (long) $func; }"

  1066.         done

  1067.         echo "int main(void) { return 0; }"

  1068.     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers

  1069. }

  1070. 

  1071. check_class_headers_cpp(){

  1072.     log check_class_headers_cpp "$@"

  1073.     headers=$1

  1074.     classes=$2

  1075.     shift 2

  1076.     {

  1077.         for hdr in $headers; do

  1078.             echo "#include <$hdr>"

  1079.         done

  1080.         echo "int main(void) { "

  1081.         i=1

  1082.         for class in $classes; do

  1083.             echo "$class obj$i;"

  1084.             i=$(expr $i + 1)

  1085.         done

  1086.         echo "return 0; }"

  1087.     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers

  1088. }

  1089. 

  1090. check_cpp_condition(){

  1091.     log check_cpp_condition "$@"

  1092.     header=$1

  1093.     condition=$2

  1094.     shift 2

  1095.     check_cpp "$@" <<EOF

  1096. #include <$header>

  1097. #if !($condition)

  1098. #error "unsatisfied condition: $condition"

  1099. #endif

  1100. EOF

  1101. }

  1102. 

  1103. check_lib(){

  1104.     log check_lib "$@"

  1105.     header="$1"

  1106.     func="$2"

  1107.     shift 2

  1108.     check_header $header && check_func $func "$@" && add_extralibs "$@"

  1109. }

  1110. 

  1111. check_lib2(){

  1112.     log check_lib2 "$@"

  1113.     headers="$1"

  1114.     funcs="$2"

  1115.     shift 2

  1116.     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"

  1117. }

  1118. 

  1119. check_lib_cpp(){

  1120.     log check_lib_cpp "$@"

  1121.     headers="$1"

  1122.     classes="$2"

  1123.     shift 2

  1124.     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"

  1125. }

  1126. 

  1127. check_pkg_config(){

  1128.     log check_pkg_config "$@"

  1129.     pkgandversion="$1"

  1130.     pkg="${1%% *}"

  1131.     headers="$2"

  1132.     funcs="$3"

  1133.     shift 3

  1134.     check_cmd $pkg_config --exists --print-errors $pkgandversion || return

  1135.     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)

  1136.     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)

  1137.     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&

  1138.         set_safe "${pkg}_cflags" $pkg_cflags   &&

  1139.         set_safe "${pkg}_libs"   $pkg_libs

  1140. }

  1141. 

  1142. check_exec(){

  1143.     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }

  1144. }

  1145. 

  1146. check_exec_crash(){

  1147.     code=$(cat)

  1148. 

  1149.     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)

  1150.     # are safe but may not be available everywhere.  Thus we use

  1151.     # raise(SIGTERM) instead.  The check is run in a subshell so we

  1152.     # can redirect the "Terminated" message from the shell.  SIGBUS

  1153.     # is not defined by standard C so it is used conditionally.

  1154. 

  1155.     (check_exec "$@") >> $logfile 2>&1 <<EOF

  1156. #include <signal.h>

  1157. static void sighandler(int sig){

  1158.     raise(SIGTERM);

  1159. }

  1160. int foo(void){

  1161.     $code

  1162. }

  1163. int (*func_ptr)(void) = foo;

  1164. int main(void){

  1165.     signal(SIGILL, sighandler);

  1166.     signal(SIGFPE, sighandler);

  1167.     signal(SIGSEGV, sighandler);

  1168. #ifdef SIGBUS

  1169.     signal(SIGBUS, sighandler);

  1170. #endif

  1171.     return func_ptr();

  1172. }

  1173. EOF

  1174. }

  1175. 

  1176. check_type(){

  1177.     log check_type "$@"

  1178.     headers=$1

  1179.     type=$2

  1180.     shift 2

  1181.     disable_safe "$type"

  1182.     check_code cc "$headers" "$type v" "$@" && enable_safe "$type"

  1183. }

  1184. 

  1185. check_struct(){

  1186.     log check_struct "$@"

  1187.     headers=$1

  1188.     struct=$2

  1189.     member=$3

  1190.     shift 3

  1191.     disable_safe "${struct}_${member}"

  1192.     check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&

  1193.         enable_safe "${struct}_${member}"

  1194. }

  1195. 

  1196. check_builtin(){

  1197.     log check_builtin "$@"

  1198.     name=$1

  1199.     headers=$2

  1200.     builtin=$3

  1201.     shift 3

  1202.     disable "$name"

  1203.     check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"

  1204. }

  1205. 

  1206. check_compile_assert(){

  1207.     log check_compile_assert "$@"

  1208.     name=$1

  1209.     headers=$2

  1210.     condition=$3

  1211.     shift 3

  1212.     disable "$name"

  1213.     check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"

  1214. }

  1215. 

  1216. require(){

  1217.     name="$1"

  1218.     header="$2"

  1219.     func="$3"

  1220.     shift 3

  1221.     check_lib $header $func "$@" || die "ERROR: $name not found"

  1222. }

  1223. 

  1224. require2(){

  1225.     name="$1"

  1226.     headers="$2"

  1227.     func="$3"

  1228.     shift 3

  1229.     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"

  1230. }

  1231. 

  1232. require_cpp(){

  1233.     name="$1"

  1234.     headers="$2"

  1235.     classes="$3"

  1236.     shift 3

  1237.     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"

  1238. }

  1239. 

  1240. use_pkg_config(){

  1241.     pkg="$1"

  1242.     check_pkg_config "$@" || return 1

  1243.     add_cflags    $(get_safe "${pkg}_cflags")

  1244.     add_extralibs $(get_safe "${pkg}_libs")

  1245. }

  1246. 

  1247. require_pkg_config(){

  1248.     use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"

  1249. }

  1250. 

  1251. require_libfreetype(){

  1252.     log require_libfreetype "$@"

  1253.     pkg="freetype2"

  1254.     check_cmd $pkg_config --exists --print-errors $pkg \

  1255.       || die "ERROR: $pkg not found"

  1256.     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)

  1257.     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)

  1258.     {

  1259.         echo "#include <ft2build.h>"

  1260.         echo "#include FT_FREETYPE_H"

  1261.         echo "long check_func(void) { return (long) FT_Init_FreeType; }"

  1262.         echo "int main(void) { return 0; }"

  1263.     } | check_ld "cc" $pkg_cflags $pkg_libs \

  1264.       && set_safe "${pkg}_cflags" $pkg_cflags \

  1265.       && set_safe "${pkg}_libs"   $pkg_libs \

  1266.       || die "ERROR: $pkg not found"

  1267.     add_cflags    $(get_safe "${pkg}_cflags")

  1268.     add_extralibs $(get_safe "${pkg}_libs")

  1269. }

  1270. 

  1271. hostcc_e(){

  1272.     eval printf '%s\\n' $HOSTCC_E

  1273. }

  1274. 

  1275. hostcc_o(){

  1276.     eval printf '%s\\n' $HOSTCC_O

  1277. }

  1278. 

  1279. check_host_cc(){

  1280.     log check_host_cc "$@"

  1281.     cat > $TMPC

  1282.     log_file $TMPC

  1283.     check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC

  1284. }

  1285. 

  1286. check_host_cpp(){

  1287.     log check_host_cpp "$@"

  1288.     cat > $TMPC

  1289.     log_file $TMPC

  1290.     check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC

  1291. }

  1292. 

  1293. check_host_cppflags(){

  1294.     log check_host_cppflags "$@"

  1295.     check_host_cc "$@" <<EOF && append host_cppflags "$@"

  1296. int x;

  1297. EOF

  1298. }

  1299. 

  1300. check_host_cflags(){

  1301.     log check_host_cflags "$@"

  1302.     set -- $($host_cflags_filter "$@")

  1303.     check_host_cc "$@" <<EOF && append host_cflags "$@"

  1304. int x;

  1305. EOF

  1306. }

  1307. 

  1308. check_host_cpp_condition(){

  1309.     log check_host_cpp_condition "$@"

  1310.     header=$1

  1311.     condition=$2

  1312.     shift 2

  1313.     check_host_cpp "$@" <<EOF

  1314. #include <$header>

  1315. #if !($condition)

  1316. #error "unsatisfied condition: $condition"

  1317. #endif

  1318. EOF

  1319. }

  1320. 

  1321. cp_if_changed(){

  1322.     cmp -s "$1" "$2" && echo "$2 is unchanged" && return

  1323.     mkdir -p "$(dirname $2)"

  1324.     $cp_f "$1" "$2"

  1325. }

  1326. 

  1327. # CONFIG_LIST contains configurable options, while HAVE_LIST is for

  1328. # system-dependent things.

  1329. 

  1330. COMPONENT_LIST="

  1331.     bsfs

  1332.     decoders

  1333.     demuxers

  1334.     encoders

  1335.     filters

  1336.     hwaccels

  1337.     indevs

  1338.     muxers

  1339.     outdevs

  1340.     parsers

  1341.     protocols

  1342. "

  1343. 

  1344. EXAMPLE_LIST="

  1345.     avio_reading_example

  1346.     avio_dir_cmd_example

  1347.     decoding_encoding_example

  1348.     demuxing_decoding_example

  1349.     extract_mvs_example

  1350.     filter_audio_example

  1351.     filtering_audio_example

  1352.     filtering_video_example

  1353.     metadata_example

  1354.     muxing_example

  1355.     qsvdec_example

  1356.     remuxing_example

  1357.     resampling_audio_example

  1358.     scaling_video_example

  1359.     transcode_aac_example

  1360.     transcoding_example

  1361. "

  1362. 

  1363. EXTERNAL_LIBRARY_LIST="

  1364.     avisynth

  1365.     bzlib

  1366.     crystalhd

  1367.     decklink

  1368.     frei0r

  1369.     gnutls

  1370.     iconv

  1371.     ladspa

  1372.     libaacplus

  1373.     libass

  1374.     libbluray

  1375.     libbs2b

  1376.     libcaca

  1377.     libcdio

  1378.     libcelt

  1379.     libdc1394

  1380.     libdcadec

  1381.     libfaac

  1382.     libfdk_aac

  1383.     libflite

  1384.     libfontconfig

  1385.     libfreetype

  1386.     libfribidi

  1387.     libgme

  1388.     libgsm

  1389.     libiec61883

  1390.     libilbc

  1391.     libkvazaar

  1392.     libmfx

  1393.     libmodplug

  1394.     libmp3lame

  1395.     libnut

  1396.     libopencore_amrnb

  1397.     libopencore_amrwb

  1398.     libopencv

  1399.     libopenh264

  1400.     libopenjpeg

  1401.     libopus

  1402.     libpulse

  1403.     libquvi

  1404.     librtmp

  1405.     libschroedinger

  1406.     libshine

  1407.     libsmbclient

  1408.     libsnappy

  1409.     libsoxr

  1410.     libspeex

  1411.     libssh

  1412.     libstagefright_h264

  1413.     libtesseract

  1414.     libtheora

  1415.     libtwolame

  1416.     libutvideo

  1417.     libv4l2

  1418.     libvidstab

  1419.     libvo_aacenc

  1420.     libvo_amrwbenc

  1421.     libvorbis

  1422.     libvpx

  1423.     libwavpack

  1424.     libwebp

  1425.     libx264

  1426.     libx265

  1427.     libxavs

  1428.     libxcb

  1429.     libxcb_shm

  1430.     libxcb_shape

  1431.     libxcb_xfixes

  1432.     libxvid

  1433.     libzmq

  1434.     libzvbi

  1435.     lzma

  1436.     mmal

  1437.     nvenc

  1438.     openal

  1439.     opencl

  1440.     opengl

  1441.     openssl

  1442.     sdl

  1443.     securetransport

  1444.     x11grab

  1445.     xlib

  1446.     zlib

  1447. "

  1448. 

  1449. DOCUMENT_LIST="

  1450.     doc

  1451.     htmlpages

  1452.     manpages

  1453.     podpages

  1454.     txtpages

  1455. "

  1456. 

  1457. FEATURE_LIST="

  1458.     ftrapv

  1459.     gray

  1460.     hardcoded_tables

  1461.     runtime_cpudetect

  1462.     safe_bitstream_reader

  1463.     shared

  1464.     small

  1465.     static

  1466.     swscale_alpha

  1467. "

  1468. 

  1469. HWACCEL_LIST="

  1470.     d3d11va

  1471.     dxva2

  1472.     vaapi

  1473.     vda

  1474.     vdpau

  1475.     videotoolbox

  1476.     xvmc

  1477. "

  1478. 

  1479. LIBRARY_LIST="

  1480.     avcodec

  1481.     avdevice

  1482.     avfilter

  1483.     avformat

  1484.     avresample

  1485.     avutil

  1486.     postproc

  1487.     swresample

  1488.     swscale

  1489. "

  1490. 

  1491. LICENSE_LIST="

  1492.     gpl

  1493.     nonfree

  1494.     version3

  1495. "

  1496. 

  1497. PROGRAM_LIST="

  1498.     ffplay

  1499.     ffprobe

  1500.     ffserver

  1501.     ffmpeg

  1502. "

  1503. 

  1504. SUBSYSTEM_LIST="

  1505.     dct

  1506.     dwt

  1507.     error_resilience

  1508.     faan

  1509.     fast_unaligned

  1510.     fft

  1511.     lsp

  1512.     lzo

  1513.     mdct

  1514.     pixelutils

  1515.     network

  1516.     rdft

  1517. "

  1518. 

  1519. CONFIG_LIST="

  1520.     $COMPONENT_LIST

  1521.     $DOCUMENT_LIST

  1522.     $EXAMPLE_LIST

  1523.     $EXTERNAL_LIBRARY_LIST

  1524.     $FEATURE_LIST

  1525.     $HWACCEL_LIST

  1526.     $LICENSE_LIST

  1527.     $LIBRARY_LIST

  1528.     $PROGRAM_LIST

  1529.     $SUBSYSTEM_LIST

  1530.     fontconfig

  1531.     incompatible_libav_abi

  1532.     memalign_hack

  1533.     memory_poisoning

  1534.     neon_clobber_test

  1535.     pic

  1536.     pod2man

  1537.     raise_major

  1538.     thumb

  1539.     valgrind_backtrace

  1540.     xmm_clobber_test

  1541. "

  1542. 

  1543. THREADS_LIST="

  1544.     pthreads

  1545.     os2threads

  1546.     w32threads

  1547. "

  1548. 

  1549. ATOMICS_LIST="

  1550.     atomics_gcc

  1551.     atomics_suncc

  1552.     atomics_win32

  1553. "

  1554. 

  1555. ARCH_LIST="

  1556.     aarch64

  1557.     alpha

  1558.     arm

  1559.     avr32

  1560.     avr32_ap

  1561.     avr32_uc

  1562.     bfin

  1563.     ia64

  1564.     m68k

  1565.     mips

  1566.     mips64

  1567.     parisc

  1568.     ppc

  1569.     ppc64

  1570.     s390

  1571.     sh4

  1572.     sparc

  1573.     sparc64

  1574.     tilegx

  1575.     tilepro

  1576.     tomi

  1577.     x86

  1578.     x86_32

  1579.     x86_64

  1580. "

  1581. 

  1582. ARCH_EXT_LIST_ARM="

  1583.     armv5te

  1584.     armv6

  1585.     armv6t2

  1586.     armv8

  1587.     neon

  1588.     vfp

  1589.     vfpv3

  1590.     setend

  1591. "

  1592. 

  1593. ARCH_EXT_LIST_MIPS="

  1594.     mipsfpu

  1595.     mips32r2

  1596.     mips32r5

  1597.     mips64r6

  1598.     mipsdspr1

  1599.     mipsdspr2

  1600.     msa

  1601. "

  1602. 

  1603. ARCH_EXT_LIST_LOONGSON="

  1604.     loongson2

  1605.     loongson3

  1606.     mmi

  1607. "

  1608. 

  1609. ARCH_EXT_LIST_X86_SIMD="

  1610.     amd3dnow

  1611.     amd3dnowext

  1612.     avx

  1613.     avx2

  1614.     fma3

  1615.     fma4

  1616.     mmx

  1617.     mmxext

  1618.     sse

  1619.     sse2

  1620.     sse3

  1621.     sse4

  1622.     sse42

  1623.     ssse3

  1624.     xop

  1625. "

  1626. 

  1627. ARCH_EXT_LIST_PPC="

  1628.     altivec

  1629.     dcbzl

  1630.     ldbrx

  1631.     power8

  1632.     ppc4xx

  1633.     vsx

  1634. "

  1635. 

  1636. ARCH_EXT_LIST_X86="

  1637.     $ARCH_EXT_LIST_X86_SIMD

  1638.     cpunop

  1639.     i686

  1640. "

  1641. 

  1642. ARCH_EXT_LIST="

  1643.     $ARCH_EXT_LIST_ARM

  1644.     $ARCH_EXT_LIST_PPC

  1645.     $ARCH_EXT_LIST_X86

  1646.     $ARCH_EXT_LIST_MIPS

  1647.     $ARCH_EXT_LIST_LOONGSON

  1648. "

  1649. 

  1650. ARCH_FEATURES="

  1651.     aligned_stack

  1652.     fast_64bit

  1653.     fast_clz

  1654.     fast_cmov

  1655.     local_aligned_8

  1656.     local_aligned_16

  1657.     local_aligned_32

  1658.     simd_align_16

  1659. "

  1660. 

  1661. BUILTIN_LIST="

  1662.     atomic_cas_ptr

  1663.     atomic_compare_exchange

  1664.     machine_rw_barrier

  1665.     MemoryBarrier

  1666.     mm_empty

  1667.     rdtsc

  1668.     sarestart

  1669.     sync_val_compare_and_swap

  1670. "

  1671. HAVE_LIST_CMDLINE="

  1672.     inline_asm

  1673.     symver

  1674.     yasm

  1675. "

  1676. 

  1677. HAVE_LIST_PUB="

  1678.     bigendian

  1679.     fast_unaligned

  1680.     incompatible_libav_abi

  1681. "

  1682. 

  1683. HEADERS_LIST="

  1684.     alsa_asoundlib_h

  1685.     altivec_h

  1686.     arpa_inet_h

  1687.     asm_types_h

  1688.     cdio_paranoia_h

  1689.     cdio_paranoia_paranoia_h

  1690.     dev_bktr_ioctl_bt848_h

  1691.     dev_bktr_ioctl_meteor_h

  1692.     dev_ic_bt8xx_h

  1693.     dev_video_bktr_ioctl_bt848_h

  1694.     dev_video_meteor_ioctl_meteor_h

  1695.     direct_h

  1696.     dirent_h

  1697.     dlfcn_h

  1698.     d3d11_h

  1699.     dxva_h

  1700.     ES2_gl_h

  1701.     gsm_h

  1702.     io_h

  1703.     mach_mach_time_h

  1704.     machine_ioctl_bt848_h

  1705.     machine_ioctl_meteor_h

  1706.     malloc_h

  1707.     openjpeg_1_5_openjpeg_h

  1708.     OpenGL_gl3_h

  1709.     poll_h

  1710.     sndio_h

  1711.     soundcard_h

  1712.     sys_mman_h

  1713.     sys_param_h

  1714.     sys_resource_h

  1715.     sys_select_h

  1716.     sys_soundcard_h

  1717.     sys_time_h

  1718.     sys_un_h

  1719.     sys_videoio_h

  1720.     termios_h

  1721.     udplite_h

  1722.     unistd_h

  1723.     valgrind_valgrind_h

  1724.     windows_h

  1725.     winsock2_h

  1726. "

  1727. 

  1728. INTRINSICS_LIST="

  1729.     intrinsics_neon

  1730. "

  1731. 

  1732. MATH_FUNCS="

  1733.     atanf

  1734.     atan2f

  1735.     cbrt

  1736.     cbrtf

  1737.     copysign

  1738.     cosf

  1739.     erf

  1740.     exp2

  1741.     exp2f

  1742.     expf

  1743.     isinf

  1744.     isnan

  1745.     ldexpf

  1746.     llrint

  1747.     llrintf

  1748.     log2

  1749.     log2f

  1750.     log10f

  1751.     lrint

  1752.     lrintf

  1753.     powf

  1754.     rint

  1755.     round

  1756.     roundf

  1757.     sinf

  1758.     trunc

  1759.     truncf

  1760. "

  1761. 

  1762. SYSTEM_FUNCS="

  1763.     access

  1764.     aligned_malloc

  1765.     clock_gettime

  1766.     closesocket

  1767.     CommandLineToArgvW

  1768.     CoTaskMemFree

  1769.     CryptGenRandom

  1770.     dlopen

  1771.     fcntl

  1772.     flt_lim

  1773.     fork

  1774.     getaddrinfo

  1775.     gethrtime

  1776.     getopt

  1777.     GetProcessAffinityMask

  1778.     GetProcessMemoryInfo

  1779.     GetProcessTimes

  1780.     getrusage

  1781.     getservbyport

  1782.     GetSystemTimeAsFileTime

  1783.     gettimeofday

  1784.     glob

  1785.     glXGetProcAddress

  1786.     gmtime_r

  1787.     inet_aton

  1788.     isatty

  1789.     jack_port_get_latency_range

  1790.     kbhit

  1791.     localtime_r

  1792.     lstat

  1793.     lzo1x_999_compress

  1794.     mach_absolute_time

  1795.     MapViewOfFile

  1796.     memalign

  1797.     mkstemp

  1798.     mmap

  1799.     mprotect

  1800.     nanosleep

  1801.     PeekNamedPipe

  1802.     posix_memalign

  1803.     pthread_cancel

  1804.     sched_getaffinity

  1805.     SetConsoleTextAttribute

  1806.     SetConsoleCtrlHandler

  1807.     setmode

  1808.     setrlimit

  1809.     Sleep

  1810.     strerror_r

  1811.     sysconf

  1812.     sysctl

  1813.     usleep

  1814.     VirtualAlloc

  1815.     wglGetProcAddress

  1816. "

  1817. 

  1818. TOOLCHAIN_FEATURES="

  1819.     as_dn_directive

  1820.     as_func

  1821.     as_object_arch

  1822.     asm_mod_q

  1823.     attribute_may_alias

  1824.     attribute_packed

  1825.     ebp_available

  1826.     ebx_available

  1827.     gnu_as

  1828.     gnu_windres

  1829.     ibm_asm

  1830.     inline_asm_labels

  1831.     inline_asm_nonlocal_labels

  1832.     inline_asm_direct_symbol_refs

  1833.     pragma_deprecated

  1834.     rsync_contimeout

  1835.     symver_asm_label

  1836.     symver_gnu_asm

  1837.     vfp_args

  1838.     xform_asm

  1839.     xmm_clobbers

  1840. "

  1841. 

  1842. TYPES_LIST="

  1843.     CONDITION_VARIABLE_Ptr

  1844.     socklen_t

  1845.     struct_addrinfo

  1846.     struct_dcadec_exss_info_matrix_encoding

  1847.     struct_group_source_req

  1848.     struct_ip_mreq_source

  1849.     struct_ipv6_mreq

  1850.     struct_pollfd

  1851.     struct_rusage_ru_maxrss

  1852.     struct_sctp_event_subscribe

  1853.     struct_sockaddr_in6

  1854.     struct_sockaddr_sa_len

  1855.     struct_sockaddr_storage

  1856.     struct_stat_st_mtim_tv_nsec

  1857.     struct_v4l2_frmivalenum_discrete

  1858. "

  1859. 

  1860. HAVE_LIST="

  1861.     $ARCH_EXT_LIST

  1862.     $(add_suffix _external $ARCH_EXT_LIST)

  1863.     $(add_suffix _inline   $ARCH_EXT_LIST)

  1864.     $ARCH_FEATURES

  1865.     $ATOMICS_LIST

  1866.     $BUILTIN_LIST

  1867.     $HAVE_LIST_CMDLINE

  1868.     $HAVE_LIST_PUB

  1869.     $HEADERS_LIST

  1870.     $INTRINSICS_LIST

  1871.     $MATH_FUNCS

  1872.     $SYSTEM_FUNCS

  1873.     $THREADS_LIST

  1874.     $TOOLCHAIN_FEATURES

  1875.     $TYPES_LIST

  1876.     atomics_native

  1877.     dos_paths

  1878.     dxva2api_cobj

  1879.     dxva2_lib

  1880.     libc_msvcrt

  1881.     libdc1394_1

  1882.     libdc1394_2

  1883.     makeinfo

  1884.     makeinfo_html

  1885.     perl

  1886.     pod2man

  1887.     sdl

  1888.     section_data_rel_ro

  1889.     texi2html

  1890.     threads

  1891.     vaapi_x11

  1892.     vdpau_x11

  1893.     xlib

  1894. "

  1895. 

  1896. # options emitted with CONFIG_ prefix but not available on the command line

  1897. CONFIG_EXTRA="

  1898.     aandcttables

  1899.     ac3dsp

  1900.     audio_frame_queue

  1901.     audiodsp

  1902.     blockdsp

  1903.     bswapdsp

  1904.     cabac

  1905.     dvprofile

  1906.     exif

  1907.     faandct

  1908.     faanidct

  1909.     fdctdsp

  1910.     flacdsp

  1911.     fmtconvert

  1912.     frame_thread_encoder

  1913.     g722dsp

  1914.     gcrypt

  1915.     gmp

  1916.     golomb

  1917.     gplv3

  1918.     h263dsp

  1919.     h264chroma

  1920.     h264dsp

  1921.     h264pred

  1922.     h264qpel

  1923.     hpeldsp

  1924.     huffman

  1925.     huffyuvdsp

  1926.     huffyuvencdsp

  1927.     idctdsp

  1928.     iirfilter

  1929.     imdct15

  1930.     intrax8

  1931.     ividsp

  1932.     jpegtables

  1933.     libx262

  1934.     lgplv3

  1935.     llauddsp

  1936.     llviddsp

  1937.     lpc

  1938.     lzf

  1939.     me_cmp

  1940.     mpeg_er

  1941.     mpegaudio

  1942.     mpegaudiodsp

  1943.     mpegvideo

  1944.     mpegvideoenc

  1945.     mss34dsp

  1946.     pixblockdsp

  1947.     qpeldsp

  1948.     qsv

  1949.     qsvdec

  1950.     qsvenc

  1951.     rangecoder

  1952.     riffdec

  1953.     riffenc

  1954.     rtpdec

  1955.     rtpenc_chain

  1956.     rv34dsp

  1957.     sinewin

  1958.     snappy

  1959.     startcode

  1960.     texturedsp

  1961.     texturedspenc

  1962.     tpeldsp

  1963.     videodsp

  1964.     vp3dsp

  1965.     vp56dsp

  1966.     vp8dsp

  1967.     wma_freqs

  1968.     wmv2dsp

  1969. "

  1970. 

  1971. CMDLINE_SELECT="

  1972.     $ARCH_EXT_LIST

  1973.     $CONFIG_LIST

  1974.     $HAVE_LIST_CMDLINE

  1975.     $THREADS_LIST

  1976.     asm

  1977.     cross_compile

  1978.     debug

  1979.     extra_warnings

  1980.     logging

  1981.     lto

  1982.     optimizations

  1983.     rpath

  1984.     stripping

  1985. "

  1986. 

  1987. PATHS_LIST="

  1988.     bindir

  1989.     datadir

  1990.     docdir

  1991.     incdir

  1992.     libdir

  1993.     mandir

  1994.     pkgconfigdir

  1995.     prefix

  1996.     shlibdir

  1997. "

  1998. 

  1999. CMDLINE_SET="

  2000.     $PATHS_LIST

  2001.     ar

  2002.     arch

  2003.     as

  2004.     assert_level

  2005.     build_suffix

  2006.     cc

  2007.     cpu

  2008.     cross_prefix

  2009.     cxx

  2010.     dep_cc

  2011.     doxygen

  2012.     env

  2013.     extra_version

  2014.     gas

  2015.     host_cc

  2016.     host_cflags

  2017.     host_ld

  2018.     host_ldflags

  2019.     host_libs

  2020.     host_os

  2021.     install

  2022.     ld

  2023.     logfile

  2024.     malloc_prefix

  2025.     nm

  2026.     optflags

  2027.     pkg_config

  2028.     pkg_config_flags

  2029.     progs_suffix

  2030.     random_seed

  2031.     ranlib

  2032.     samples

  2033.     strip

  2034.     sws_max_filter_size

  2035.     sysinclude

  2036.     sysroot

  2037.     target_exec

  2038.     target_os

  2039.     target_path

  2040.     target_samples

  2041.     tempprefix

  2042.     toolchain

  2043.     valgrind

  2044.     yasmexe

  2045. "

  2046. 

  2047. CMDLINE_APPEND="

  2048.     extra_cflags

  2049.     extra_cxxflags

  2050.     host_cppflags

  2051. "

  2052. 

  2053. # code dependency declarations

  2054. 

  2055. # architecture extensions

  2056. 

  2057. armv5te_deps="arm"

  2058. armv6_deps="arm"

  2059. armv6t2_deps="arm"

  2060. armv8_deps="aarch64"

  2061. neon_deps_any="aarch64 arm"

  2062. intrinsics_neon_deps="neon"

  2063. vfp_deps_any="aarch64 arm"

  2064. vfpv3_deps="vfp"

  2065. setend_deps="arm"

  2066. 

  2067. map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM

  2068. 

  2069. mipsfpu_deps="mips"

  2070. mipsdspr1_deps="mips"

  2071. mipsdspr2_deps="mips"

  2072. mips32r2_deps="mips"

  2073. mips32r5_deps="mips"

  2074. mips64r6_deps="mips"

  2075. msa_deps="mips"

  2076. mmi_deps="mips"

  2077. 

  2078. altivec_deps="ppc"

  2079. dcbzl_deps="ppc"

  2080. ldbrx_deps="ppc"

  2081. ppc4xx_deps="ppc"

  2082. vsx_deps="altivec"

  2083. power8_deps="vsx"

  2084. 

  2085. cpunop_deps="i686"

  2086. x86_64_select="i686"

  2087. x86_64_suggest="fast_cmov"

  2088. 

  2089. amd3dnow_deps="mmx"

  2090. amd3dnowext_deps="amd3dnow"

  2091. i686_deps="x86"

  2092. mmx_deps="x86"

  2093. mmxext_deps="mmx"

  2094. sse_deps="mmxext"

  2095. sse2_deps="sse"

  2096. sse3_deps="sse2"

  2097. ssse3_deps="sse3"

  2098. sse4_deps="ssse3"

  2099. sse42_deps="sse4"

  2100. avx_deps="sse42"

  2101. xop_deps="avx"

  2102. fma3_deps="avx"

  2103. fma4_deps="avx"

  2104. avx2_deps="avx"

  2105. 

  2106. mmx_external_deps="yasm"

  2107. mmx_inline_deps="inline_asm"

  2108. mmx_suggest="mmx_external mmx_inline"

  2109. 

  2110. for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do

  2111.     eval dep=\$${ext}_deps

  2112.     eval ${ext}_external_deps='"${dep}_external"'

  2113.     eval ${ext}_inline_deps='"${dep}_inline"'

  2114.     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'

  2115. done

  2116. 

  2117. aligned_stack_if_any="aarch64 ppc x86"

  2118. fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"

  2119. fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"

  2120. fast_unaligned_if_any="aarch64 ppc x86"

  2121. simd_align_16_if_any="altivec neon sse"

  2122. 

  2123. # system capabilities

  2124. symver_if_any="symver_asm_label symver_gnu_asm"

  2125. valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"

  2126. 

  2127. # threading support

  2128. atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"

  2129. atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"

  2130. atomics_win32_if="MemoryBarrier"

  2131. atomics_native_if_any="$ATOMICS_LIST"

  2132. w32threads_deps="atomics_native"

  2133. threads_if_any="$THREADS_LIST"

  2134. 

  2135. # subsystems

  2136. dct_select="rdft"

  2137. error_resilience_select="me_cmp"

  2138. faandct_deps="faan fdctdsp"

  2139. faanidct_deps="faan idctdsp"

  2140. frame_thread_encoder_deps="encoders threads"

  2141. intrax8_select="error_resilience"

  2142. mdct_select="fft"

  2143. rdft_select="fft"

  2144. me_cmp_select="fdctdsp idctdsp pixblockdsp"

  2145. mpeg_er_select="error_resilience"

  2146. mpegaudio_select="mpegaudiodsp"

  2147. mpegaudiodsp_select="dct"

  2148. mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"

  2149. mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"

  2150. qsvdec_select="qsv"

  2151. qsvenc_select="qsv"

  2152. 

  2153. # decoders / encoders

  2154. aac_decoder_select="imdct15 mdct sinewin"

  2155. aac_fixed_decoder_select="mdct sinewin"

  2156. aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"

  2157. aac_latm_decoder_select="aac_decoder aac_latm_parser"

  2158. ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"

  2159. ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"

  2160. ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2161. ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2162. adpcm_g722_decoder_select="g722dsp"

  2163. adpcm_g722_encoder_select="g722dsp"

  2164. aic_decoder_select="golomb idctdsp"

  2165. alac_encoder_select="lpc"

  2166. als_decoder_select="bswapdsp"

  2167. amrnb_decoder_select="lsp"

  2168. amrwb_decoder_select="lsp"

  2169. amv_decoder_select="sp5x_decoder exif"

  2170. amv_encoder_select="aandcttables jpegtables mpegvideoenc"

  2171. ape_decoder_select="bswapdsp llauddsp"

  2172. apng_decoder_select="zlib"

  2173. apng_encoder_select="huffyuvencdsp zlib"

  2174. asv1_decoder_select="blockdsp bswapdsp idctdsp"

  2175. asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2176. asv2_decoder_select="blockdsp bswapdsp idctdsp"

  2177. asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2178. atrac1_decoder_select="mdct sinewin"

  2179. atrac3_decoder_select="mdct"

  2180. atrac3p_decoder_select="mdct sinewin"

  2181. avrn_decoder_select="exif jpegtables"

  2182. bink_decoder_select="blockdsp hpeldsp"

  2183. binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"

  2184. binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"

  2185. cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"

  2186. cllc_decoder_select="bswapdsp"

  2187. comfortnoise_encoder_select="lpc"

  2188. cook_decoder_select="audiodsp mdct sinewin"

  2189. cscd_decoder_select="lzo"

  2190. cscd_decoder_suggest="zlib"

  2191. dca_decoder_select="fmtconvert mdct"

  2192. dds_decoder_select="texturedsp"

  2193. dirac_decoder_select="dwt golomb videodsp mpegvideoenc"

  2194. dnxhd_decoder_select="blockdsp idctdsp"

  2195. dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"

  2196. dvvideo_decoder_select="dvprofile idctdsp"

  2197. dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"

  2198. dxa_decoder_select="zlib"

  2199. dxv_decoder_select="lzf texturedsp"

  2200. eac3_decoder_select="ac3_decoder"

  2201. eac3_encoder_select="ac3_encoder"

  2202. eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"

  2203. eatgq_decoder_select="aandcttables"

  2204. eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"

  2205. exr_decoder_select="zlib"

  2206. ffv1_decoder_select="golomb rangecoder"

  2207. ffv1_encoder_select="rangecoder"

  2208. ffvhuff_decoder_select="huffyuv_decoder"

  2209. ffvhuff_encoder_select="huffyuv_encoder"

  2210. fic_decoder_select="golomb"

  2211. flac_decoder_select="flacdsp golomb"

  2212. flac_encoder_select="bswapdsp flacdsp golomb lpc"

  2213. flashsv_decoder_select="zlib"

  2214. flashsv_encoder_select="zlib"

  2215. flashsv2_encoder_select="zlib"

  2216. flashsv2_decoder_select="zlib"

  2217. flv_decoder_select="h263_decoder"

  2218. flv_encoder_select="h263_encoder"

  2219. fourxm_decoder_select="blockdsp bswapdsp"

  2220. fraps_decoder_select="bswapdsp huffman"

  2221. g2m_decoder_select="blockdsp idctdsp jpegtables zlib"

  2222. g729_decoder_select="audiodsp"

  2223. h261_decoder_select="mpegvideo"

  2224. h261_encoder_select="aandcttables mpegvideoenc"

  2225. h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"

  2226. h263_encoder_select="aandcttables h263dsp mpegvideoenc"

  2227. h263i_decoder_select="h263_decoder"

  2228. h263p_decoder_select="h263_decoder"

  2229. h263p_encoder_select="h263_encoder"

  2230. h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"

  2231. h264_decoder_suggest="error_resilience"

  2232. h264_qsv_decoder_deps="libmfx"

  2233. h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"

  2234. h264_qsv_encoder_deps="libmfx"

  2235. h264_qsv_encoder_select="qsvenc"

  2236. hap_decoder_select="snappy texturedsp"

  2237. hap_encoder_deps="libsnappy"

  2238. hap_encoder_select="texturedspenc"

  2239. hevc_decoder_select="bswapdsp cabac golomb videodsp"

  2240. hevc_qsv_encoder_deps="libmfx"

  2241. hevc_qsv_decoder_deps="libmfx"

  2242. hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"

  2243. hevc_qsv_encoder_select="qsvenc"

  2244. huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"

  2245. huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"

  2246. iac_decoder_select="imc_decoder"

  2247. imc_decoder_select="bswapdsp fft mdct sinewin"

  2248. indeo3_decoder_select="hpeldsp"

  2249. indeo4_decoder_select="ividsp"

  2250. indeo5_decoder_select="ividsp"

  2251. interplay_video_decoder_select="hpeldsp"

  2252. jpegls_decoder_select="golomb mjpeg_decoder"

  2253. jpegls_encoder_select="golomb"

  2254. jv_decoder_select="blockdsp"

  2255. lagarith_decoder_select="huffyuvdsp"

  2256. ljpeg_encoder_select="aandcttables idctdsp jpegtables"

  2257. loco_decoder_select="golomb"

  2258. mdec_decoder_select="blockdsp idctdsp mpegvideo"

  2259. metasound_decoder_select="lsp mdct sinewin"

  2260. mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"

  2261. mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"

  2262. mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"

  2263. mjpegb_decoder_select="mjpeg_decoder"

  2264. mlp_decoder_select="mlp_parser"

  2265. motionpixels_decoder_select="bswapdsp"

  2266. mp1_decoder_select="mpegaudio"

  2267. mp1float_decoder_select="mpegaudio"

  2268. mp2_decoder_select="mpegaudio"

  2269. mp2float_decoder_select="mpegaudio"

  2270. mp3_decoder_select="mpegaudio"

  2271. mp3adu_decoder_select="mpegaudio"

  2272. mp3adufloat_decoder_select="mpegaudio"

  2273. mp3float_decoder_select="mpegaudio"

  2274. mp3on4_decoder_select="mpegaudio"

  2275. mp3on4float_decoder_select="mpegaudio"

  2276. mpc7_decoder_select="bswapdsp mpegaudiodsp"

  2277. mpc8_decoder_select="mpegaudiodsp"

  2278. mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"

  2279. mpeg_xvmc_decoder_select="mpeg2video_decoder"

  2280. mpegvideo_decoder_select="mpegvideo"

  2281. mpeg1video_decoder_select="mpegvideo"

  2282. mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2283. mpeg2video_decoder_select="mpegvideo"

  2284. mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2285. mpeg2_qsv_decoder_deps="libmfx"

  2286. mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"

  2287. mpeg2_qsv_encoder_deps="libmfx"

  2288. mpeg2_qsv_encoder_select="qsvenc"

  2289. mpeg4_decoder_select="h263_decoder mpeg4video_parser"

  2290. mpeg4_encoder_select="h263_encoder"

  2291. msa1_decoder_select="mss34dsp"

  2292. msmpeg4v1_decoder_select="h263_decoder"

  2293. msmpeg4v2_decoder_select="h263_decoder"

  2294. msmpeg4v2_encoder_select="h263_encoder"

  2295. msmpeg4v3_decoder_select="h263_decoder"

  2296. msmpeg4v3_encoder_select="h263_encoder"

  2297. mss2_decoder_select="vc1_decoder"

  2298. mts2_decoder_select="mss34dsp"

  2299. mxpeg_decoder_select="mjpeg_decoder"

  2300. nellymoser_decoder_select="mdct sinewin"

  2301. nellymoser_encoder_select="audio_frame_queue mdct sinewin"

  2302. nuv_decoder_select="idctdsp lzo"

  2303. on2avc_decoder_select="mdct"

  2304. opus_decoder_deps="swresample"

  2305. opus_decoder_select="imdct15"

  2306. png_decoder_select="zlib"

  2307. png_encoder_select="huffyuvencdsp zlib"

  2308. prores_decoder_select="blockdsp idctdsp"

  2309. prores_encoder_select="fdctdsp"

  2310. qcelp_decoder_select="lsp"

  2311. qdm2_decoder_select="mdct rdft mpegaudiodsp"

  2312. ra_144_encoder_select="audio_frame_queue lpc audiodsp"

  2313. ra_144_decoder_select="audiodsp"

  2314. ralf_decoder_select="golomb"

  2315. rawvideo_decoder_select="bswapdsp"

  2316. rtjpeg_decoder_select="me_cmp"

  2317. rv10_decoder_select="h263_decoder"

  2318. rv10_encoder_select="h263_encoder"

  2319. rv20_decoder_select="h263_decoder"

  2320. rv20_encoder_select="h263_encoder"

  2321. rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"

  2322. rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"

  2323. shorten_decoder_select="golomb"

  2324. sipr_decoder_select="lsp"

  2325. snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"

  2326. snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"

  2327. sonic_decoder_select="golomb rangecoder"

  2328. sonic_encoder_select="golomb rangecoder"

  2329. sonic_ls_encoder_select="golomb rangecoder"

  2330. sp5x_decoder_select="mjpeg_decoder"

  2331. svq1_decoder_select="hpeldsp"

  2332. svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"

  2333. svq3_decoder_select="h264_decoder hpeldsp tpeldsp"

  2334. svq3_decoder_suggest="zlib"

  2335. tak_decoder_select="audiodsp"

  2336. tdsc_decoder_select="zlib mjpeg_decoder"

  2337. theora_decoder_select="vp3_decoder"

  2338. thp_decoder_select="mjpeg_decoder"

  2339. tiff_decoder_suggest="zlib lzma"

  2340. tiff_encoder_suggest="zlib"

  2341. truehd_decoder_select="mlp_parser"

  2342. truemotion2_decoder_select="bswapdsp"

  2343. truespeech_decoder_select="bswapdsp"

  2344. tscc_decoder_select="zlib"

  2345. twinvq_decoder_select="mdct lsp sinewin"

  2346. txd_decoder_select="texturedsp"

  2347. utvideo_decoder_select="bswapdsp"

  2348. utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"

  2349. vble_decoder_select="huffyuvdsp"

  2350. vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 qpeldsp startcode"

  2351. vc1image_decoder_select="vc1_decoder"

  2352. vc1_qsv_decoder_deps="libmfx"

  2353. vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel"

  2354. vorbis_decoder_select="mdct"

  2355. vorbis_encoder_select="mdct"

  2356. vp3_decoder_select="hpeldsp vp3dsp videodsp"

  2357. vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"

  2358. vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"

  2359. vp6a_decoder_select="vp6_decoder"

  2360. vp6f_decoder_select="vp6_decoder"

  2361. vp7_decoder_select="h264pred videodsp vp8dsp"

  2362. vp8_decoder_select="h264pred videodsp vp8dsp"

  2363. vp9_decoder_select="videodsp vp9_parser"

  2364. webp_decoder_select="vp8_decoder"

  2365. wmalossless_decoder_select="llauddsp"

  2366. wmapro_decoder_select="mdct sinewin wma_freqs"

  2367. wmav1_decoder_select="mdct sinewin wma_freqs"

  2368. wmav1_encoder_select="mdct sinewin wma_freqs"

  2369. wmav2_decoder_select="mdct sinewin wma_freqs"

  2370. wmav2_encoder_select="mdct sinewin wma_freqs"

  2371. wmavoice_decoder_select="lsp rdft dct mdct sinewin"

  2372. wmv1_decoder_select="h263_decoder"

  2373. wmv1_encoder_select="h263_encoder"

  2374. wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp wmv2dsp"

  2375. wmv2_encoder_select="h263_encoder wmv2dsp"

  2376. wmv3_decoder_select="vc1_decoder"

  2377. wmv3image_decoder_select="wmv3_decoder"

  2378. zerocodec_decoder_select="zlib"

  2379. zlib_decoder_select="zlib"

  2380. zlib_encoder_select="zlib"

  2381. zmbv_decoder_select="zlib"

  2382. zmbv_encoder_select="zlib"

  2383. 

  2384. # hardware accelerators

  2385. crystalhd_deps="libcrystalhd_libcrystalhd_if_h"

  2386. d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"

  2387. dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"

  2388. vaapi_deps="va_va_h"

  2389. vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads CoreServices_CoreServices_h"

  2390. vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore -framework CoreServices"

  2391. vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"

  2392. videotoolbox_deps="VideoToolbox_VideoToolbox_h pthreads CoreServices_CoreServices_h"

  2393. videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework QuartzCore -framework CoreServices"

  2394. xvmc_deps="X11_extensions_XvMClib_h"

  2395. 

  2396. h263_vaapi_hwaccel_deps="vaapi"

  2397. h263_vaapi_hwaccel_select="h263_decoder"

  2398. h263_vdpau_hwaccel_deps="vdpau"

  2399. h263_vdpau_hwaccel_select="h263_decoder"

  2400. h263_videotoolbox_hwaccel_deps="videotoolbox"

  2401. h263_videotoolbox_hwaccel_select="h263_decoder"

  2402. h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"

  2403. h264_d3d11va_hwaccel_deps="d3d11va"

  2404. h264_d3d11va_hwaccel_select="h264_decoder"

  2405. h264_dxva2_hwaccel_deps="dxva2"

  2406. h264_dxva2_hwaccel_select="h264_decoder"

  2407. h264_mmal_decoder_deps="mmal"

  2408. h264_mmal_hwaccel_deps="mmal"

  2409. h264_mmal_decoder_select="h264_decoder"

  2410. h264_mmal_encoder_deps="mmal"

  2411. h264_qsv_hwaccel_deps="libmfx"

  2412. h264_vaapi_hwaccel_deps="vaapi"

  2413. h264_vaapi_hwaccel_select="h264_decoder"

  2414. h264_vda_decoder_deps="vda"

  2415. h264_vda_decoder_select="h264_decoder"

  2416. h264_vda_hwaccel_deps="vda"

  2417. h264_vda_hwaccel_select="h264_decoder"

  2418. h264_vda_old_hwaccel_deps="vda"

  2419. h264_vda_old_hwaccel_select="h264_decoder"

  2420. h264_vdpau_decoder_deps="vdpau"

  2421. h264_vdpau_decoder_select="h264_decoder"

  2422. h264_vdpau_hwaccel_deps="vdpau"

  2423. h264_vdpau_hwaccel_select="h264_decoder"

  2424. h264_videotoolbox_hwaccel_deps="videotoolbox"

  2425. h264_videotoolbox_hwaccel_select="h264_decoder"

  2426. hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"

  2427. hevc_d3d11va_hwaccel_select="hevc_decoder"

  2428. hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"

  2429. hevc_dxva2_hwaccel_select="hevc_decoder"

  2430. hevc_qsv_hwaccel_deps="libmfx"

  2431. hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"

  2432. hevc_vaapi_hwaccel_select="hevc_decoder"

  2433. hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"

  2434. hevc_vdpau_hwaccel_select="hevc_decoder"

  2435. mpeg_vdpau_decoder_deps="vdpau"

  2436. mpeg_vdpau_decoder_select="mpeg2video_decoder"

  2437. mpeg_xvmc_hwaccel_deps="xvmc"

  2438. mpeg_xvmc_hwaccel_select="mpeg2video_decoder"

  2439. mpeg1_vdpau_decoder_deps="vdpau"

  2440. mpeg1_vdpau_decoder_select="mpeg1video_decoder"

  2441. mpeg1_vdpau_hwaccel_deps="vdpau"

  2442. mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"

  2443. mpeg1_videotoolbox_hwaccel_deps="videotoolbox"

  2444. mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"

  2445. mpeg1_xvmc_hwaccel_deps="xvmc"

  2446. mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"

  2447. mpeg2_crystalhd_decoder_select="crystalhd"

  2448. mpeg2_d3d11va_hwaccel_deps="d3d11va"

  2449. mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"

  2450. mpeg2_dxva2_hwaccel_deps="dxva2"

  2451. mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"

  2452. mpeg2_qsv_hwaccel_deps="libmfx"

  2453. mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"

  2454. mpeg2_vaapi_hwaccel_deps="vaapi"

  2455. mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"

  2456. mpeg2_vdpau_hwaccel_deps="vdpau"

  2457. mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"

  2458. mpeg2_videotoolbox_hwaccel_deps="videotoolbox"

  2459. mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"

  2460. mpeg2_xvmc_hwaccel_deps="xvmc"

  2461. mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"

  2462. mpeg4_crystalhd_decoder_select="crystalhd"

  2463. mpeg4_vaapi_hwaccel_deps="vaapi"

  2464. mpeg4_vaapi_hwaccel_select="mpeg4_decoder"

  2465. mpeg4_vdpau_decoder_deps="vdpau"

  2466. mpeg4_vdpau_decoder_select="mpeg4_decoder"

  2467. mpeg4_vdpau_hwaccel_deps="vdpau"

  2468. mpeg4_vdpau_hwaccel_select="mpeg4_decoder"

  2469. mpeg4_videotoolbox_hwaccel_deps="videotoolbox"

  2470. mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"

  2471. msmpeg4_crystalhd_decoder_select="crystalhd"

  2472. vc1_crystalhd_decoder_select="crystalhd"

  2473. vc1_d3d11va_hwaccel_deps="d3d11va"

  2474. vc1_d3d11va_hwaccel_select="vc1_decoder"

  2475. vc1_dxva2_hwaccel_deps="dxva2"

  2476. vc1_dxva2_hwaccel_select="vc1_decoder"

  2477. vc1_vaapi_hwaccel_deps="vaapi"

  2478. vc1_vaapi_hwaccel_select="vc1_decoder"

  2479. vc1_vdpau_decoder_deps="vdpau"

  2480. vc1_vdpau_decoder_select="vc1_decoder"

  2481. vc1_vdpau_hwaccel_deps="vdpau"

  2482. vc1_vdpau_hwaccel_select="vc1_decoder"

  2483. vc1_qsv_hwaccel_deps="libmfx"

  2484. vc1_qsv_hwaccel_select="qsvdec_vc1"

  2485. wmv3_crystalhd_decoder_select="crystalhd"

  2486. wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"

  2487. wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"

  2488. wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"

  2489. wmv3_vdpau_decoder_select="vc1_vdpau_decoder"

  2490. wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"

  2491. 

  2492. # parsers

  2493. h264_parser_select="h264_decoder"

  2494. hevc_parser_select="golomb"

  2495. mpegvideo_parser_select="mpegvideo"

  2496. mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"

  2497. vc1_parser_select="mpegvideo startcode vc1_decoder"

  2498. 

  2499. # bitstream_filters

  2500. mjpeg2jpeg_bsf_select="jpegtables"

  2501. 

  2502. # external libraries

  2503. libaacplus_encoder_deps="libaacplus"

  2504. libcelt_decoder_deps="libcelt"

  2505. libdcadec_decoder_deps="libdcadec"

  2506. libfaac_encoder_deps="libfaac"

  2507. libfaac_encoder_select="audio_frame_queue"

  2508. libfdk_aac_decoder_deps="libfdk_aac"

  2509. libfdk_aac_encoder_deps="libfdk_aac"

  2510. libfdk_aac_encoder_select="audio_frame_queue"

  2511. libgme_demuxer_deps="libgme"

  2512. libgsm_decoder_deps="libgsm"

  2513. libgsm_encoder_deps="libgsm"

  2514. libgsm_ms_decoder_deps="libgsm"

  2515. libgsm_ms_encoder_deps="libgsm"

  2516. libilbc_decoder_deps="libilbc"

  2517. libilbc_encoder_deps="libilbc"

  2518. libkvazaar_encoder_deps="libkvazaar"

  2519. libmodplug_demuxer_deps="libmodplug"

  2520. libmp3lame_encoder_deps="libmp3lame"

  2521. libmp3lame_encoder_select="audio_frame_queue"

  2522. libopencore_amrnb_decoder_deps="libopencore_amrnb"

  2523. libopencore_amrnb_encoder_deps="libopencore_amrnb"

  2524. libopencore_amrnb_encoder_select="audio_frame_queue"

  2525. libopencore_amrwb_decoder_deps="libopencore_amrwb"

  2526. libopenh264_encoder_deps="libopenh264"

  2527. libopenjpeg_decoder_deps="libopenjpeg"

  2528. libopenjpeg_encoder_deps="libopenjpeg"

  2529. libopus_decoder_deps="libopus"

  2530. libopus_encoder_deps="libopus"

  2531. libopus_encoder_select="audio_frame_queue"

  2532. libquvi_demuxer_deps="libquvi"

  2533. libschroedinger_decoder_deps="libschroedinger"

  2534. libschroedinger_encoder_deps="libschroedinger"

  2535. libshine_encoder_deps="libshine"

  2536. libshine_encoder_select="audio_frame_queue"

  2537. libspeex_decoder_deps="libspeex"

  2538. libspeex_encoder_deps="libspeex"

  2539. libspeex_encoder_select="audio_frame_queue"

  2540. libstagefright_h264_decoder_deps="libstagefright_h264"

  2541. libtheora_encoder_deps="libtheora"

  2542. libtwolame_encoder_deps="libtwolame"

  2543. libvo_aacenc_encoder_deps="libvo_aacenc"

  2544. libvo_aacenc_encoder_select="audio_frame_queue"

  2545. libvo_amrwbenc_encoder_deps="libvo_amrwbenc"

  2546. libvorbis_decoder_deps="libvorbis"

  2547. libvorbis_encoder_deps="libvorbis"

  2548. libvorbis_encoder_select="audio_frame_queue"

  2549. libvpx_vp8_decoder_deps="libvpx"

  2550. libvpx_vp8_encoder_deps="libvpx"

  2551. libvpx_vp9_decoder_deps="libvpx"

  2552. libvpx_vp9_encoder_deps="libvpx"

  2553. libwavpack_encoder_deps="libwavpack"

  2554. libwebp_encoder_deps="libwebp"

  2555. libwebp_anim_encoder_deps="libwebp"

  2556. libx262_encoder_deps="libx262"

  2557. libx264_encoder_deps="libx264"

  2558. libx264rgb_encoder_deps="libx264"

  2559. libx264rgb_encoder_select="libx264_encoder"

  2560. libx265_encoder_deps="libx265"

  2561. libxavs_encoder_deps="libxavs"

  2562. libxvid_encoder_deps="libxvid"

  2563. libutvideo_decoder_deps="libutvideo"

  2564. libutvideo_encoder_deps="libutvideo"

  2565. libzvbi_teletext_decoder_deps="libzvbi"

  2566. nvenc_encoder_deps="nvenc"

  2567. nvenc_h264_encoder_deps="nvenc"

  2568. nvenc_hevc_encoder_deps="nvenc"

  2569. 

  2570. # demuxers / muxers

  2571. ac3_demuxer_select="ac3_parser"

  2572. asf_demuxer_select="riffdec"

  2573. asf_o_demuxer_select="riffdec"

  2574. asf_muxer_select="riffenc"

  2575. asf_stream_muxer_select="asf_muxer"

  2576. avi_demuxer_select="riffdec exif"

  2577. avi_muxer_select="riffenc"

  2578. avisynth_demuxer_deps="avisynth"

  2579. avisynth_demuxer_select="riffdec"

  2580. caf_demuxer_select="riffdec"

  2581. dash_muxer_select="mp4_muxer"

  2582. dirac_demuxer_select="dirac_parser"

  2583. dts_demuxer_select="dca_parser"

  2584. dtshd_demuxer_select="dca_parser"

  2585. dv_demuxer_select="dvprofile"

  2586. dv_muxer_select="dvprofile"

  2587. dxa_demuxer_select="riffdec"

  2588. eac3_demuxer_select="ac3_parser"

  2589. f4v_muxer_select="mov_muxer"

  2590. flac_demuxer_select="flac_parser"

  2591. hds_muxer_select="flv_muxer"

  2592. hls_muxer_select="mpegts_muxer"

  2593. image2_alias_pix_demuxer_select="image2_demuxer"

  2594. image2_brender_pix_demuxer_select="image2_demuxer"

  2595. ipod_muxer_select="mov_muxer"

  2596. ismv_muxer_select="mov_muxer"

  2597. libnut_demuxer_deps="libnut"

  2598. libnut_muxer_deps="libnut"

  2599. matroska_audio_muxer_select="matroska_muxer"

  2600. matroska_demuxer_select="riffdec"

  2601. matroska_demuxer_suggest="bzlib lzo zlib"

  2602. matroska_muxer_select="riffenc"

  2603. mmf_muxer_select="riffenc"

  2604. mov_demuxer_select="riffdec"

  2605. mov_demuxer_suggest="zlib"

  2606. mov_muxer_select="riffenc rtpenc_chain"

  2607. mp3_demuxer_select="mpegaudio_parser"

  2608. mp4_muxer_select="mov_muxer"

  2609. mpegts_muxer_select="adts_muxer latm_muxer"

  2610. mpegtsraw_demuxer_select="mpegts_demuxer"

  2611. mxf_d10_muxer_select="mxf_muxer"

  2612. mxf_opatom_muxer_select="mxf_muxer"

  2613. nut_muxer_select="riffenc"

  2614. nuv_demuxer_select="riffdec"

  2615. oga_muxer_select="ogg_muxer"

  2616. ogg_demuxer_select="golomb"

  2617. opus_muxer_select="ogg_muxer"

  2618. psp_muxer_select="mov_muxer"

  2619. rtp_demuxer_select="sdp_demuxer"

  2620. rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"

  2621. rtsp_demuxer_select="http_protocol rtpdec"

  2622. rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"

  2623. sap_demuxer_select="sdp_demuxer"

  2624. sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"

  2625. sdp_demuxer_select="rtpdec"

  2626. smoothstreaming_muxer_select="ismv_muxer"

  2627. spdif_muxer_select="aac_parser"

  2628. spx_muxer_select="ogg_muxer"

  2629. tak_demuxer_select="tak_parser"

  2630. tg2_muxer_select="mov_muxer"

  2631. tgp_muxer_select="mov_muxer"

  2632. vobsub_demuxer_select="mpegps_demuxer"

  2633. w64_demuxer_select="wav_demuxer"

  2634. w64_muxer_select="wav_muxer"

  2635. wav_demuxer_select="riffdec"

  2636. wav_muxer_select="riffenc"

  2637. webm_muxer_select="riffenc"

  2638. wtv_demuxer_select="riffdec"

  2639. wtv_muxer_select="riffenc"

  2640. xmv_demuxer_select="riffdec"

  2641. xwma_demuxer_select="riffdec"

  2642. 

  2643. # indevs / outdevs

  2644. alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"

  2645. alsa_outdev_deps="alsa_asoundlib_h"

  2646. avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"

  2647. avfoundation_indev_select="avfoundation"

  2648. bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"

  2649. caca_outdev_deps="libcaca"

  2650. decklink_outdev_deps="decklink pthreads"

  2651. decklink_outdev_extralibs="-lstdc++"

  2652. decklink_indev_deps="decklink pthreads"

  2653. decklink_indev_extralibs="-lstdc++"

  2654. dshow_indev_deps="IBaseFilter"

  2655. dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"

  2656. dv1394_indev_deps="dv1394"

  2657. dv1394_indev_select="dv_demuxer"

  2658. fbdev_indev_deps="linux_fb_h"

  2659. fbdev_outdev_deps="linux_fb_h"

  2660. gdigrab_indev_deps="CreateDIBSection"

  2661. gdigrab_indev_extralibs="-lgdi32"

  2662. gdigrab_indev_select="bmp_decoder"

  2663. iec61883_indev_deps="libiec61883"

  2664. jack_indev_deps="jack_jack_h sem_timedwait"

  2665. lavfi_indev_deps="avfilter"

  2666. libcdio_indev_deps="libcdio"

  2667. libdc1394_indev_deps="libdc1394"

  2668. libv4l2_indev_deps="libv4l2"

  2669. openal_indev_deps="openal"

  2670. opengl_outdev_deps="opengl"

  2671. oss_indev_deps_any="soundcard_h sys_soundcard_h"

  2672. oss_outdev_deps_any="soundcard_h sys_soundcard_h"

  2673. pulse_indev_deps="libpulse"

  2674. pulse_outdev_deps="libpulse"

  2675. qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"

  2676. qtkit_indev_select="qtkit"

  2677. sdl_outdev_deps="sdl"

  2678. sndio_indev_deps="sndio_h"

  2679. sndio_outdev_deps="sndio_h"

  2680. v4l_indev_deps="linux_videodev_h"

  2681. v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"

  2682. v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"

  2683. vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"

  2684. vfwcap_indev_extralibs="-lavicap32"

  2685. xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"

  2686. xv_outdev_extralibs="-lXv -lX11 -lXext"

  2687. x11grab_indev_deps="x11grab"

  2688. x11grab_xcb_indev_deps="libxcb"

  2689. 

  2690. # protocols

  2691. async_protocol_deps="pthreads"

  2692. bluray_protocol_deps="libbluray"

  2693. ffrtmpcrypt_protocol_deps="!librtmp_protocol"

  2694. ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"

  2695. ffrtmpcrypt_protocol_select="tcp_protocol"

  2696. ffrtmphttp_protocol_deps="!librtmp_protocol"

  2697. ffrtmphttp_protocol_select="http_protocol"

  2698. ftp_protocol_select="tcp_protocol"

  2699. gopher_protocol_select="network"

  2700. http_protocol_select="tcp_protocol"

  2701. httpproxy_protocol_select="tcp_protocol"

  2702. https_protocol_select="tls_protocol"

  2703. icecast_protocol_select="http_protocol"

  2704. librtmp_protocol_deps="librtmp"

  2705. librtmpe_protocol_deps="librtmp"

  2706. librtmps_protocol_deps="librtmp"

  2707. librtmpt_protocol_deps="librtmp"

  2708. librtmpte_protocol_deps="librtmp"

  2709. libsmbclient_protocol_deps="libsmbclient gplv3"

  2710. libssh_protocol_deps="libssh"

  2711. mmsh_protocol_select="http_protocol"

  2712. mmst_protocol_select="network"

  2713. rtmp_protocol_deps="!librtmp_protocol"

  2714. rtmp_protocol_select="tcp_protocol"

  2715. rtmpe_protocol_select="ffrtmpcrypt_protocol"

  2716. rtmps_protocol_deps="!librtmp_protocol"

  2717. rtmps_protocol_select="tls_protocol"

  2718. rtmpt_protocol_select="ffrtmphttp_protocol"

  2719. rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"

  2720. rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"

  2721. rtp_protocol_select="udp_protocol"

  2722. sctp_protocol_deps="struct_sctp_event_subscribe"

  2723. sctp_protocol_select="network"

  2724. srtp_protocol_select="rtp_protocol"

  2725. tcp_protocol_select="network"

  2726. tls_gnutls_protocol_deps="gnutls !tls_securetransport_protocol"

  2727. tls_gnutls_protocol_select="tcp_protocol"

  2728. tls_openssl_protocol_deps="openssl !tls_securetransport_protocol !tls_gnutls_protocol"

  2729. tls_openssl_protocol_select="tcp_protocol"

  2730. tls_securetransport_protocol_deps="securetransport"

  2731. tls_securetransport_protocol_select="tcp_protocol"

  2732. tls_protocol_deps_any="tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"

  2733. udp_protocol_select="network"

  2734. udplite_protocol_select="network"

  2735. unix_protocol_deps="sys_un_h"

  2736. unix_protocol_select="network"

  2737. 

  2738. # filters

  2739. amovie_filter_deps="avcodec avformat"

  2740. aresample_filter_deps="swresample"

  2741. ass_filter_deps="libass"

  2742. asyncts_filter_deps="avresample"

  2743. atempo_filter_deps="avcodec"

  2744. atempo_filter_select="rdft"

  2745. azmq_filter_deps="libzmq"

  2746. blackframe_filter_deps="gpl"

  2747. boxblur_filter_deps="gpl"

  2748. bs2b_filter_deps="libbs2b"

  2749. colormatrix_filter_deps="gpl"

  2750. cover_rect_filter_deps="avcodec avformat gpl"

  2751. cropdetect_filter_deps="gpl"

  2752. delogo_filter_deps="gpl"

  2753. deshake_filter_select="pixelutils"

  2754. drawtext_filter_deps="libfreetype"

  2755. dynaudnorm_filter_deps="copysign erf"

  2756. ebur128_filter_deps="gpl"

  2757. eq_filter_deps="gpl"

  2758. fftfilt_filter_deps="avcodec"

  2759. fftfilt_filter_select="rdft"

  2760. flite_filter_deps="libflite"

  2761. find_rect_filter_deps="avcodec avformat gpl"

  2762. frei0r_filter_deps="frei0r dlopen"

  2763. frei0r_src_filter_deps="frei0r dlopen"

  2764. fspp_filter_deps="gpl"

  2765. geq_filter_deps="gpl"

  2766. histeq_filter_deps="gpl"

  2767. hqdn3d_filter_deps="gpl"

  2768. interlace_filter_deps="gpl"

  2769. kerndeint_filter_deps="gpl"

  2770. ladspa_filter_deps="ladspa dlopen"

  2771. mcdeint_filter_deps="avcodec gpl"

  2772. movie_filter_deps="avcodec avformat"

  2773. mpdecimate_filter_deps="gpl"

  2774. mpdecimate_filter_select="pixelutils"

  2775. mptestsrc_filter_deps="gpl"

  2776. negate_filter_deps="lut_filter"

  2777. perspective_filter_deps="gpl"

  2778. pp7_filter_deps="gpl"

  2779. ocr_filter_deps="libtesseract"

  2780. ocv_filter_deps="libopencv"

  2781. owdenoise_filter_deps="gpl"

  2782. pan_filter_deps="swresample"

  2783. phase_filter_deps="gpl"

  2784. pp_filter_deps="gpl postproc"

  2785. pullup_filter_deps="gpl"

  2786. removelogo_filter_deps="avcodec avformat swscale"

  2787. repeatfields_filter_deps="gpl"

  2788. resample_filter_deps="avresample"

  2789. sab_filter_deps="gpl swscale"

  2790. scale_filter_deps="swscale"

  2791. scale2ref_filter_deps="swscale"

  2792. select_filter_select="pixelutils"

  2793. smartblur_filter_deps="gpl swscale"

  2794. showcqt_filter_deps="avcodec"

  2795. showcqt_filter_select="fft"

  2796. showfreqs_filter_deps="avcodec"

  2797. showfreqs_filter_select="fft"

  2798. showspectrum_filter_deps="avcodec"

  2799. showspectrum_filter_select="rdft"

  2800. spp_filter_deps="gpl avcodec"

  2801. spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"

  2802. stereo3d_filter_deps="gpl"

  2803. subtitles_filter_deps="avformat avcodec libass"

  2804. super2xsai_filter_deps="gpl"

  2805. tinterlace_filter_deps="gpl"

  2806. vidstabdetect_filter_deps="libvidstab"

  2807. vidstabtransform_filter_deps="libvidstab"

  2808. pixfmts_super2xsai_test_deps="super2xsai_filter"

  2809. tinterlace_merge_test_deps="tinterlace_filter"

  2810. tinterlace_pad_test_deps="tinterlace_filter"

  2811. uspp_filter_deps="gpl avcodec"

  2812. zmq_filter_deps="libzmq"

  2813. zoompan_filter_deps="swscale"

  2814. 

  2815. # examples

  2816. avio_reading="avformat avcodec avutil"

  2817. avio_dir_cmd="avformat avutil"

  2818. avcodec_example_deps="avcodec avutil"

  2819. decoding_encoding_example_deps="avcodec avformat avutil"

  2820. demuxing_decoding_example_deps="avcodec avformat avutil"

  2821. extract_mvs_example_deps="avcodec avformat avutil"

  2822. filter_audio_example_deps="avfilter avutil"

  2823. filtering_audio_example_deps="avfilter avcodec avformat avutil"

  2824. filtering_video_example_deps="avfilter avcodec avformat avutil"

  2825. metadata_example_deps="avformat avutil"

  2826. muxing_example_deps="avcodec avformat avutil swscale"

  2827. qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"

  2828. remuxing_example_deps="avcodec avformat avutil"

  2829. resampling_audio_example_deps="avutil swresample"

  2830. scaling_video_example_deps="avutil swscale"

  2831. transcode_aac_example_deps="avcodec avformat swresample"

  2832. transcoding_example_deps="avfilter avcodec avformat avutil"

  2833. 

  2834. # libraries, in linking order

  2835. avcodec_deps="avutil"

  2836. avdevice_deps="avformat avcodec avutil"

  2837. avfilter_deps="avutil"

  2838. avformat_deps="avcodec avutil"

  2839. avresample_deps="avutil"

  2840. postproc_deps="avutil gpl"

  2841. swresample_deps="avutil"

  2842. swscale_deps="avutil"

  2843. 

  2844. # programs

  2845. ffmpeg_deps="avcodec avfilter avformat swresample"

  2846. ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter

  2847.                null_filter

  2848.                setpts_filter trim_filter"

  2849. ffplay_deps="avcodec avformat swscale swresample sdl"

  2850. ffplay_libs='$sdl_libs'

  2851. ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"

  2852. ffprobe_deps="avcodec avformat"

  2853. ffserver_deps="avformat fork sarestart"

  2854. ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"

  2855. 

  2856. # documentation

  2857. podpages_deps="perl"

  2858. manpages_deps="perl pod2man"

  2859. htmlpages_deps="perl"

  2860. htmlpages_deps_any="makeinfo_html texi2html"

  2861. txtpages_deps="perl makeinfo"

  2862. doc_deps_any="manpages htmlpages podpages txtpages"

  2863. 

  2864. # default parameters

  2865. 

  2866. logfile="config.log"

  2867. 

  2868. # installation paths

  2869. prefix_default="/usr/local"

  2870. bindir_default='${prefix}/bin'

  2871. datadir_default='${prefix}/share/ffmpeg'

  2872. docdir_default='${prefix}/share/doc/ffmpeg'

  2873. incdir_default='${prefix}/include'

  2874. libdir_default='${prefix}/lib'

  2875. mandir_default='${prefix}/share/man'

  2876. 

  2877. # toolchain

  2878. ar_default="ar"

  2879. cc_default="gcc"

  2880. cxx_default="g++"

  2881. host_cc_default="gcc"

  2882. cp_f="cp -f"

  2883. doxygen_default="doxygen"

  2884. install="install"

  2885. ln_s="ln -s -f"

  2886. nm_default="nm -g"

  2887. objformat="elf"

  2888. pkg_config_default=pkg-config

  2889. ranlib_default="ranlib"

  2890. strip_default="strip"

  2891. yasmexe_default="yasm"

  2892. windres_default="windres"

  2893. 

  2894. # OS

  2895. target_os_default=$(tolower $(uname -s))

  2896. host_os=$target_os_default

  2897. 

  2898. # machine

  2899. if test "$target_os_default" = aix; then

  2900.     arch_default=$(uname -p)

  2901.     strip_default="strip -X32_64"

  2902. else

  2903.     arch_default=$(uname -m)

  2904. fi

  2905. cpu="generic"

  2906. intrinsics="none"

  2907. 

  2908. # configurable options

  2909. enable $PROGRAM_LIST

  2910. enable $DOCUMENT_LIST

  2911. enable $EXAMPLE_LIST

  2912. enable $(filter_out avresample $LIBRARY_LIST)

  2913. enable stripping

  2914. 

  2915. enable asm

  2916. enable debug

  2917. enable doc

  2918. enable faan faandct faanidct

  2919. enable optimizations

  2920. enable runtime_cpudetect

  2921. enable safe_bitstream_reader

  2922. enable static

  2923. enable swscale_alpha

  2924. enable valgrind_backtrace

  2925. 

  2926. sws_max_filter_size_default=256

  2927. set_default sws_max_filter_size

  2928. 

  2929. # Enable hwaccels by default.

  2930. enable d3d11va dxva2 vaapi vda vdpau videotoolbox xvmc

  2931. enable xlib

  2932. 

  2933. # build settings

  2934. SHFLAGS='-shared -Wl,-soname,$$(@F)'

  2935. LIBPREF="lib"

  2936. LIBSUF=".a"

  2937. FULLNAME='$(NAME)$(BUILDSUF)'

  2938. LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'

  2939. SLIBPREF="lib"

  2940. SLIBSUF=".so"

  2941. SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'

  2942. SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'

  2943. SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'

  2944. LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'

  2945. SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'

  2946. SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'

  2947. 

  2948. asflags_filter=echo

  2949. cflags_filter=echo

  2950. ldflags_filter=echo

  2951. 

  2952. AS_C='-c'

  2953. AS_O='-o $@'

  2954. CC_C='-c'

  2955. CC_E='-E -o $@'

  2956. CC_O='-o $@'

  2957. CXX_C='-c'

  2958. CXX_O='-o $@'

  2959. LD_O='-o $@'

  2960. LD_LIB='-l%'

  2961. LD_PATH='-L'

  2962. HOSTCC_C='-c'

  2963. HOSTCC_E='-E -o $@'

  2964. HOSTCC_O='-o $@'

  2965. HOSTLD_O='-o $@'

  2966. 

  2967. host_libs='-lm'

  2968. host_cflags_filter=echo

  2969. host_ldflags_filter=echo

  2970. 

  2971. target_path='$(CURDIR)'

  2972. 

  2973. # since the object filename is not given with the -MM flag, the compiler

  2974. # is only able to print the basename, and we must add the path ourselves

  2975. DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'

  2976. DEPFLAGS='-MM'

  2977. 

  2978. # find source path

  2979. if test -f configure; then

  2980.     source_path=.

  2981. else

  2982.     source_path=$(cd $(dirname "$0"); pwd)

  2983.     case "$source_path" in

  2984.         *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;

  2985.     esac

  2986.     test -e "$source_path/config.h" &&

  2987.         die "Out of tree builds are impossible with config.h in source dir."

  2988. fi

  2989. 

  2990. for v in "$@"; do

  2991.     r=${v#*=}

  2992.     l=${v%"$r"}

  2993.     r=$(sh_quote "$r")

  2994.     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"

  2995. done

  2996. 

  2997. find_things(){

  2998.     thing=$1

  2999.     pattern=$2

  3000.     file=$source_path/$3

  3001.     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"

  3002. }

  3003. 

  3004. ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)

  3005. DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)

  3006. HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)

  3007. PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)

  3008. BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)

  3009. MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)

  3010. DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)

  3011. OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)

  3012. INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)

  3013. PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)

  3014. FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)

  3015. 

  3016. ALL_COMPONENTS="

  3017.     $BSF_LIST

  3018.     $DECODER_LIST

  3019.     $DEMUXER_LIST

  3020.     $ENCODER_LIST

  3021.     $FILTER_LIST

  3022.     $HWACCEL_LIST

  3023.     $INDEV_LIST

  3024.     $MUXER_LIST

  3025.     $OUTDEV_LIST

  3026.     $PARSER_LIST

  3027.     $PROTOCOL_LIST

  3028. "

  3029. 

  3030. for n in $COMPONENT_LIST; do

  3031.     v=$(toupper ${n%s})_LIST

  3032.     eval enable \$$v

  3033.     eval ${n}_if_any="\$$v"

  3034. done

  3035. 

  3036. enable $ARCH_EXT_LIST

  3037. 

  3038. die_unknown(){

  3039.     echo "Unknown option \"$1\"."

  3040.     echo "See $0 --help for available options."

  3041.     exit 1

  3042. }

  3043. 

  3044. print_3_columns() {

  3045.     cat | tr ' ' '\n' | sort | pr -r -3 -t

  3046. }

  3047. 

  3048. show_list() {

  3049.     suffix=_$1

  3050.     shift

  3051.     echo $* | sed s/$suffix//g | print_3_columns

  3052.     exit 0

  3053. }

  3054. 

  3055. rand_list(){

  3056.     IFS=', '

  3057.     set -- $*

  3058.     unset IFS

  3059.     for thing; do

  3060.         comp=${thing%:*}

  3061.         prob=${thing#$comp}

  3062.         prob=${prob#:}

  3063.         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST

  3064.         echo "prob ${prob:-0.5}"

  3065.         printf '%s\n' $comp

  3066.     done

  3067. }

  3068. 

  3069. do_random(){

  3070.     action=$1

  3071.     shift

  3072.     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")

  3073.     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")

  3074. }

  3075. 

  3076. for opt do

  3077.     optval="${opt#*=}"

  3078.     case "$opt" in

  3079.         --extra-ldflags=*)

  3080.             add_ldflags $optval

  3081.         ;;

  3082.         --extra-ldexeflags=*)

  3083.             add_ldexeflags $optval

  3084.         ;;

  3085.         --extra-ldlibflags=*)

  3086.             add_ldlibflags $optval

  3087.         ;;

  3088.         --extra-libs=*)

  3089.             add_extralibs $optval

  3090.         ;;

  3091.         --disable-devices)

  3092.             disable $INDEV_LIST $OUTDEV_LIST

  3093.         ;;

  3094.         --enable-debug=*)

  3095.             debuglevel="$optval"

  3096.         ;;

  3097.         --disable-programs)

  3098.             disable $PROGRAM_LIST

  3099.         ;;

  3100.         --disable-everything)

  3101.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3102.         ;;

  3103.         --disable-all)

  3104.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3105.             disable $LIBRARY_LIST $PROGRAM_LIST doc

  3106.         ;;

  3107.         --enable-random|--disable-random)

  3108.             action=${opt%%-random}

  3109.             do_random ${action#--} $COMPONENT_LIST

  3110.         ;;

  3111.         --enable-random=*|--disable-random=*)

  3112.             action=${opt%%-random=*}

  3113.             do_random ${action#--} $optval

  3114.         ;;

  3115.         --enable-*=*|--disable-*=*)

  3116.             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')

  3117.             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"

  3118.             eval list=\$$(toupper $thing)_LIST

  3119.             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}

  3120.             list=$(filter "$name" $list)

  3121.             [ "$list" = "" ] && warn "Option $opt did not match anything"

  3122.             $action $list

  3123.         ;;

  3124.         --enable-?*|--disable-?*)

  3125.             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')

  3126.             if is_in $option $COMPONENT_LIST; then

  3127.                 test $action = disable && action=unset

  3128.                 eval $action \$$(toupper ${option%s})_LIST

  3129.             elif is_in $option $CMDLINE_SELECT; then

  3130.                 $action $option

  3131.             else

  3132.                 die_unknown $opt

  3133.             fi

  3134.         ;;

  3135.         --list-*)

  3136.             NAME="${opt#--list-}"

  3137.             is_in $NAME $COMPONENT_LIST || die_unknown $opt

  3138.             NAME=${NAME%s}

  3139.             eval show_list $NAME \$$(toupper $NAME)_LIST

  3140.         ;;

  3141.         --help|-h) show_help

  3142.         ;;

  3143.         --fatal-warnings) enable fatal_warnings

  3144.         ;;

  3145.         *)

  3146.             optname="${opt%%=*}"

  3147.             optname="${optname#--}"

  3148.             optname=$(echo "$optname" | sed 's/-/_/g')

  3149.             if is_in $optname $CMDLINE_SET; then

  3150.                 eval $optname='$optval'

  3151.             elif is_in $optname $CMDLINE_APPEND; then

  3152.                 append $optname "$optval"

  3153.             else

  3154.                 die_unknown $opt

  3155.             fi

  3156.         ;;

  3157.     esac

  3158. done

  3159. 

  3160. for e in $env; do

  3161.     eval "export $e"

  3162. done

  3163. 

  3164. disabled logging && logfile=/dev/null

  3165. 

  3166. echo "# $0 $FFMPEG_CONFIGURATION" > $logfile

  3167. set >> $logfile

  3168. 

  3169. test -n "$valgrind" && toolchain="valgrind-memcheck"

  3170. 

  3171. case "$toolchain" in

  3172.     clang-asan)

  3173.         cc_default="clang"

  3174.         add_cflags  -fsanitize=address

  3175.         add_ldflags -fsanitize=address

  3176.     ;;

  3177.     clang-tsan)

  3178.         cc_default="clang"

  3179.         add_cflags  -fsanitize=thread -pie

  3180.         add_ldflags -fsanitize=thread -pie

  3181.     ;;

  3182.     clang-usan)

  3183.         cc_default="clang"

  3184.         add_cflags  -fsanitize=undefined

  3185.         add_ldflags -fsanitize=undefined

  3186.     ;;

  3187.     gcc-asan)

  3188.         cc_default="gcc"

  3189.         add_cflags  -fsanitize=address

  3190.         add_ldflags -fsanitize=address

  3191.     ;;

  3192.     gcc-tsan)

  3193.         cc_default="gcc"

  3194.         add_cflags  -fsanitize=thread -pie -fPIC

  3195.         add_ldflags -fsanitize=thread -pie -fPIC

  3196.     ;;

  3197.     gcc-usan)

  3198.         cc_default="gcc"

  3199.         add_cflags  -fsanitize=undefined

  3200.         add_ldflags -fsanitize=undefined

  3201.     ;;

  3202.     valgrind-massif)

  3203.         target_exec_default=${valgrind:-"valgrind"}

  3204.         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"

  3205.     ;;

  3206.     valgrind-memcheck)

  3207.         target_exec_default=${valgrind:-"valgrind"}

  3208.         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"

  3209.     ;;

  3210.     msvc)

  3211.         # Check whether the current MSVC version needs the C99 converter.

  3212.         # From MSVC 2013 (compiler major version 18) onwards, it does actually

  3213.         # support enough of C99 to build ffmpeg. Default to the new

  3214.         # behaviour if the regexp was unable to match anything, since this

  3215.         # successfully parses the version number of existing supported

  3216.         # versions that require the converter (MSVC 2010 and 2012).

  3217.         cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')

  3218.         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then

  3219.             cc_default="cl"

  3220.         else

  3221.             cc_default="c99wrap cl"

  3222.         fi

  3223.         ld_default="$source_path/compat/windows/mslink"

  3224.         nm_default="dumpbin -symbols"

  3225.         ar_default="lib"

  3226.         case "$arch" in

  3227.         arm*)

  3228.             as_default="armasm"

  3229.             ;;

  3230.         esac

  3231.         target_os_default="win32"

  3232.         # Use a relative path for TMPDIR. This makes sure all the

  3233.         # ffconf temp files are written with a relative path, avoiding

  3234.         # issues with msys/win32 path conversion for MSVC parameters

  3235.         # such as -Fo<file> or -out:<file>.

  3236.         TMPDIR=.

  3237.     ;;

  3238.     icl)

  3239.         cc_default="icl"

  3240.         ld_default="xilink"

  3241.         nm_default="dumpbin -symbols"

  3242.         ar_default="xilib"

  3243.         target_os_default="win32"

  3244.         TMPDIR=.

  3245.     ;;

  3246.     gcov)

  3247.         add_cflags  -fprofile-arcs -ftest-coverage

  3248.         add_ldflags -fprofile-arcs -ftest-coverage

  3249.     ;;

  3250.     hardened)

  3251.         add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2

  3252.         add_cflags   -fno-strict-overflow -fstack-protector-all

  3253.         add_ldflags  -Wl,-z,relro -Wl,-z,now

  3254.     ;;

  3255.     ?*)

  3256.         die "Unknown toolchain $toolchain"

  3257.     ;;

  3258. esac

  3259. 

  3260. test -n "$cross_prefix" && enable cross_compile

  3261. 

  3262. if enabled cross_compile; then

  3263.     test -n "$arch" && test -n "$target_os" ||

  3264.         die "Must specify target arch and OS when cross-compiling"

  3265. fi

  3266. 

  3267. ar_default="${cross_prefix}${ar_default}"

  3268. cc_default="${cross_prefix}${cc_default}"

  3269. cxx_default="${cross_prefix}${cxx_default}"

  3270. nm_default="${cross_prefix}${nm_default}"

  3271. pkg_config_default="${cross_prefix}${pkg_config_default}"

  3272. if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then

  3273.     ranlib_default="${cross_prefix}${ranlib_default} -D"

  3274. else

  3275.     ranlib_default="${cross_prefix}${ranlib_default}"

  3276. fi

  3277. strip_default="${cross_prefix}${strip_default}"

  3278. windres_default="${cross_prefix}${windres_default}"

  3279. 

  3280. sysinclude_default="${sysroot}/usr/include"

  3281. 

  3282. set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \

  3283.     target_exec target_os yasmexe

  3284. enabled cross_compile || host_cc_default=$cc

  3285. set_default host_cc

  3286. 

  3287. pkg_config_fail_message=""

  3288. if ! $pkg_config --version >/dev/null 2>&1; then

  3289.     warn "$pkg_config not found, library detection may fail."

  3290.     pkg_config=false

  3291. elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then

  3292.     pkg_config_fail_message="

  3293. Note: When building a static binary, add --pkg-config-flags=\"--static\"."

  3294. fi

  3295. 

  3296. if test $doxygen != $doxygen_default && \

  3297.   ! $doxygen --version >/dev/null 2>&1; then

  3298.     warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."

  3299. fi

  3300. 

  3301. exesuf() {

  3302.     case $1 in

  3303.         mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;

  3304.     esac

  3305. }

  3306. 

  3307. EXESUF=$(exesuf $target_os)

  3308. HOSTEXESUF=$(exesuf $host_os)

  3309. 

  3310. # set temporary file name

  3311. : ${TMPDIR:=$TEMPDIR}

  3312. : ${TMPDIR:=$TMP}

  3313. : ${TMPDIR:=/tmp}

  3314. 

  3315. if [ -n "$tempprefix" ] ; then

  3316.     mktemp(){

  3317.         echo $tempprefix.${HOSTNAME}.${UID}

  3318.     }

  3319. elif ! check_cmd mktemp -u XXXXXX; then

  3320.     # simple replacement for missing mktemp

  3321.     # NOT SAFE FOR GENERAL USE

  3322.     mktemp(){

  3323.         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"

  3324.     }

  3325. fi

  3326. 

  3327. tmpfile(){

  3328.     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&

  3329.         (set -C; exec > $tmp) 2>/dev/null ||

  3330.         die "Unable to create temporary file in $TMPDIR."

  3331.     append TMPFILES $tmp

  3332.     eval $1=$tmp

  3333. }

  3334. 

  3335. trap 'rm -f -- $TMPFILES' EXIT

  3336. 

  3337. tmpfile TMPASM .asm

  3338. tmpfile TMPC   .c

  3339. tmpfile TMPCPP .cpp

  3340. tmpfile TMPE   $EXESUF

  3341. tmpfile TMPH   .h

  3342. tmpfile TMPM   .m

  3343. tmpfile TMPO   .o

  3344. tmpfile TMPS   .S

  3345. tmpfile TMPSH  .sh

  3346. tmpfile TMPV   .ver

  3347. 

  3348. unset -f mktemp

  3349. 

  3350. chmod +x $TMPE

  3351. 

  3352. # make sure we can execute files in $TMPDIR

  3353. cat > $TMPSH 2>> $logfile <<EOF

  3354. #! /bin/sh

  3355. EOF

  3356. chmod +x $TMPSH >> $logfile 2>&1

  3357. if ! $TMPSH >> $logfile 2>&1; then

  3358.     cat <<EOF

  3359. Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment

  3360. variable to another directory and make sure that it is not mounted noexec.

  3361. EOF

  3362.     die "Sanity test failed."

  3363. fi

  3364. 

  3365. armasm_flags(){

  3366.     for flag; do

  3367.         case $flag in

  3368.             # Filter out MSVC cl.exe options from cflags that shouldn't

  3369.             # be passed to gas-preprocessor

  3370.             -M[TD]*)                                            ;;

  3371.             *)                  echo $flag                      ;;

  3372.         esac

  3373.    done

  3374. }

  3375. 

  3376. ccc_flags(){

  3377.     for flag; do

  3378.         case $flag in

  3379.             -std=c99)           echo -c99                       ;;

  3380.             -mcpu=*)            echo -arch ${flag#*=}           ;;

  3381.             -mieee)             echo -ieee                      ;;

  3382.             -O*|-fast)          echo $flag                      ;;

  3383.             -fno-math-errno)    echo -assume nomath_errno       ;;

  3384.             -g)                 echo -g3                        ;;

  3385.             -Wall)              echo -msg_enable level2         ;;

  3386.             -Wno-pointer-sign)  echo -msg_disable ptrmismatch1  ;;

  3387.             -Wl,*)              echo $flag                      ;;

  3388.             -f*|-W*)                                            ;;

  3389.             *)                  echo $flag                      ;;

  3390.         esac

  3391.    done

  3392. }

  3393. 

  3394. cparser_flags(){

  3395.     for flag; do

  3396.         case $flag in

  3397.             -Wno-switch)             echo -Wno-switch-enum ;;

  3398.             -Wno-format-zero-length) ;;

  3399.             -Wdisabled-optimization) ;;

  3400.             -Wno-pointer-sign)       echo -Wno-other ;;

  3401.             *)                       echo $flag ;;

  3402.         esac

  3403.     done

  3404. }

  3405. 

  3406. msvc_common_flags(){

  3407.     for flag; do

  3408.         case $flag in

  3409.             # In addition to specifying certain flags under the compiler

  3410.             # specific filters, they must be specified here as well or else the

  3411.             # generic catch all at the bottom will print the original flag.

  3412.             -Wall)                ;;

  3413.             -std=c99)             ;;

  3414.             # Common flags

  3415.             -fomit-frame-pointer) ;;

  3416.             -g)                   echo -Z7 ;;

  3417.             -fno-math-errno)      ;;

  3418.             -fno-common)          ;;

  3419.             -fno-signed-zeros)    ;;

  3420.             -fPIC)                ;;

  3421.             -mthumb)              ;;

  3422.             -march=*)             ;;

  3423.             -lz)                  echo zlib.lib ;;

  3424.             -lavifil32)           echo vfw32.lib ;;

  3425.             -lavicap32)           echo vfw32.lib user32.lib ;;

  3426.             -l*)                  echo ${flag#-l}.lib ;;

  3427.             -LARGEADDRESSAWARE)   echo $flag ;;

  3428.             -L*)                  echo -libpath:${flag#-L} ;;

  3429.             *)                    echo $flag ;;

  3430.         esac

  3431.     done

  3432. }

  3433. 

  3434. msvc_flags(){

  3435.     msvc_common_flags "$@"

  3436.     for flag; do

  3437.         case $flag in

  3438.             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389     \

  3439.                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \

  3440.                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \

  3441.                                        -wd4307 \

  3442.                                        -wd4273 -wd4554 -wd4701 ;;

  3443.         esac

  3444.     done

  3445. }

  3446. 

  3447. icl_flags(){

  3448.     msvc_common_flags "$@"

  3449.     for flag; do

  3450.         case $flag in

  3451.             # Despite what Intel's documentation says -Wall, which is supported

  3452.             # on Windows, does enable remarks so disable them here.

  3453.             -Wall)                echo $flag -Qdiag-disable:remark ;;

  3454.             -std=c99)             echo -Qstd=c99 ;;

  3455.             -flto)                echo -ipo ;;

  3456.         esac

  3457.     done

  3458. }

  3459. 

  3460. icc_flags(){

  3461.     for flag; do

  3462.         case $flag in

  3463.             -flto)                echo -ipo ;;

  3464.             *)                    echo $flag ;;

  3465.         esac

  3466.     done

  3467. }

  3468. 

  3469. pgi_flags(){

  3470.     for flag; do

  3471.         case $flag in

  3472.             -flto)                echo -Mipa=fast,libopt,libinline,vestigial ;;

  3473.             -fomit-frame-pointer) echo -Mnoframe ;;

  3474.             -g)                   echo -gopt ;;

  3475.             *)                    echo $flag ;;

  3476.         esac

  3477.     done

  3478. }

  3479. 

  3480. suncc_flags(){

  3481.     for flag; do

  3482.         case $flag in

  3483.             -march=*|-mcpu=*)

  3484.                 case "${flag#*=}" in

  3485.                     native)                   echo -xtarget=native       ;;

  3486.                     v9|niagara)               echo -xarch=sparc          ;;

  3487.                     ultrasparc)               echo -xarch=sparcvis       ;;

  3488.                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;

  3489.                     i586|pentium)             echo -xchip=pentium        ;;

  3490.                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;

  3491.                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;

  3492.                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;

  3493.                     pentium4*)          echo -xtarget=pentium4           ;;

  3494.                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;

  3495.                     *-sse3)             echo -xarch=sse3                 ;;

  3496.                     core2)              echo -xarch=ssse3 -xchip=core2   ;;

  3497.                     bonnell)                   echo -xarch=ssse3         ;;

  3498.                     corei7|nehalem)            echo -xtarget=nehalem     ;;

  3499.                     westmere)                  echo -xtarget=westmere    ;;

  3500.                     silvermont)                echo -xarch=sse4_2        ;;

  3501.                     corei7-avx|sandybridge)    echo -xtarget=sandybridge ;;

  3502.                     core-avx*|ivybridge|haswell|broadwell)

  3503.                                                echo -xarch=avx           ;;

  3504.                     amdfam10|barcelona)        echo -xtarget=barcelona   ;;

  3505.                     btver1)                    echo -xarch=amdsse4a      ;;

  3506.                     btver2|bdver*)             echo -xarch=avx           ;;

  3507.                     athlon-4|athlon-[mx]p)     echo -xarch=ssea          ;;

  3508.                     k8|opteron|athlon64|athlon-fx)

  3509.                                                echo -xarch=sse2a         ;;

  3510.                     athlon*)                   echo -xarch=pentium_proa  ;;

  3511.                 esac

  3512.                 ;;

  3513.             -std=c99)             echo -xc99              ;;

  3514.             -fomit-frame-pointer) echo -xregs=frameptr    ;;

  3515.             -fPIC)                echo -KPIC -xcode=pic32 ;;

  3516.             -W*,*)                echo $flag              ;;

  3517.             -f*-*|-W*|-mimpure-text)                      ;;

  3518.             -shared)              echo -G                 ;;

  3519.             *)                    echo $flag              ;;

  3520.         esac

  3521.     done

  3522. }

  3523. 

  3524. tms470_flags(){

  3525.     for flag; do

  3526.         case $flag in

  3527.             -march=*|-mcpu=*)

  3528.                 case "${flag#*=}" in

  3529.                     armv7-a|cortex-a*)      echo -mv=7a8 ;;

  3530.                     armv7-r|cortex-r*)      echo -mv=7r4 ;;

  3531.                     armv7-m|cortex-m*)      echo -mv=7m3 ;;

  3532.                     armv6*|arm11*)          echo -mv=6   ;;

  3533.                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])

  3534.                                             echo -mv=5e  ;;

  3535.                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;

  3536.                 esac

  3537.                 ;;

  3538.             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;

  3539.             -mfpu=vfp)      echo --float_support=vfpv2        ;;

  3540.             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;

  3541.             -mfpu=vfpv3-d16) echo --float_support=vfpv3d16    ;;

  3542.             -msoft-float)   echo --float_support=vfplib       ;;

  3543.             -O[0-3]|-mf=*)  echo $flag                        ;;

  3544.             -g)             echo -g -mn                       ;;

  3545.             -pds=*)         echo $flag                        ;;

  3546.             -D*|-I*)        echo $flag                        ;;

  3547.             --gcc|--abi=*)  echo $flag                        ;;

  3548.             -me)            echo $flag                        ;;

  3549.         esac

  3550.     done

  3551. }

  3552. 

  3553. probe_cc(){

  3554.     pfx=$1

  3555.     _cc=$2

  3556.     first=$3

  3557. 

  3558.     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags

  3559.     unset _ld_o _ldflags _ld_lib _ld_path

  3560.     unset _depflags _DEPCMD _DEPFLAGS

  3561.     _flags_filter=echo

  3562. 

  3563.     if $_cc --version 2>&1 | grep -q '^GNU assembler'; then

  3564.         true # no-op to avoid reading stdin in following checks

  3565.     elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then

  3566.         _type=llvm_gcc

  3567.         gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')

  3568.         _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"

  3569.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3570.         _cflags_speed='-O3'

  3571.         _cflags_size='-Os'

  3572.     elif $_cc -v 2>&1 | grep -qi ^gcc; then

  3573.         _type=gcc

  3574.         gcc_version=$($_cc --version | head -n1)

  3575.         gcc_basever=$($_cc -dumpversion)

  3576.         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')

  3577.         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")

  3578.         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")

  3579.         case $gcc_basever in

  3580.             2*) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;

  3581.         esac

  3582.         if [ "$first" = true ]; then

  3583.             case $gcc_basever in

  3584.                 4.2*)

  3585.                 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;

  3586.             esac

  3587.         fi

  3588.         _cflags_speed='-O3'

  3589.         _cflags_size='-Os'

  3590.     elif $_cc --version 2>/dev/null | grep -q ^icc; then

  3591.         _type=icc

  3592.         _ident=$($_cc --version | head -n1)

  3593.         _depflags='-MMD'

  3594.         _cflags_speed='-O3'

  3595.         _cflags_size='-Os'

  3596.         _cflags_noopt='-O1'

  3597.         _flags_filter=icc_flags

  3598.     elif $_cc -v 2>&1 | grep -q xlc; then

  3599.         _type=xlc

  3600.         _ident=$($_cc -qversion 2>/dev/null | head -n1)

  3601.         _cflags_speed='-O5'

  3602.         _cflags_size='-O5 -qcompact'

  3603.     elif $_cc -V 2>/dev/null | grep -q Compaq; then

  3604.         _type=ccc

  3605.         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)

  3606.         _DEPFLAGS='-M'

  3607.         _cflags_speed='-fast'

  3608.         _cflags_size='-O1'

  3609.         _flags_filter=ccc_flags

  3610.     elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then

  3611.         test -d "$sysroot" || die "No valid sysroot specified."

  3612.         _type=armcc

  3613.         _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')

  3614.         armcc_conf="$PWD/armcc.conf"

  3615.         $_cc --arm_linux_configure                 \

  3616.              --arm_linux_config_file="$armcc_conf" \

  3617.              --configure_sysroot="$sysroot"        \

  3618.              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||

  3619.              die "Error creating armcc configuration file."

  3620.         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc

  3621.         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"

  3622.         as_default="${cross_prefix}gcc"

  3623.         _depflags='-MMD'

  3624.         _cflags_speed='-O3'

  3625.         _cflags_size='-Os'

  3626.     elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then

  3627.         _type=tms470

  3628.         _ident=$($_cc -version | head -n1 | tr -s ' ')

  3629.         _flags='--gcc --abi=eabi -me'

  3630.         _cc_e='-ppl -fe=$@'

  3631.         _cc_o='-fe=$@'

  3632.         _depflags='-ppa -ppd=$(@:.o=.d)'

  3633.         _cflags_speed='-O3 -mf=5'

  3634.         _cflags_size='-O3 -mf=2'

  3635.         _flags_filter=tms470_flags

  3636.     elif $_cc -v 2>&1 | grep -q clang; then

  3637.         _type=clang

  3638.         _ident=$($_cc --version 2>/dev/null | head -n1)

  3639.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3640.         _cflags_speed='-O3'

  3641.         _cflags_size='-Os'

  3642.     elif $_cc -V 2>&1 | grep -q Sun; then

  3643.         _type=suncc

  3644.         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)

  3645.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'

  3646.         _DEPFLAGS='-xM1 -xc99'

  3647.         _ldflags='-std=c99'

  3648.         _cflags_speed='-O5'

  3649.         _cflags_size='-O5 -xspace'

  3650.         _flags_filter=suncc_flags

  3651.     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then

  3652.         _type=pathscale

  3653.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  3654.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3655.         _cflags_speed='-O2'

  3656.         _cflags_size='-Os'

  3657.         _flags_filter='filter_out -Wdisabled-optimization'

  3658.     elif $_cc -v 2>&1 | grep -q Open64; then

  3659.         _type=open64

  3660.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  3661.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3662.         _cflags_speed='-O2'

  3663.         _cflags_size='-Os'

  3664.         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'

  3665.     elif $_cc -V 2>&1 | grep -q Portland; then

  3666.         _type=pgi

  3667.         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"

  3668.         opt_common='-alias=ansi -Mdse -Mlre -Mpre'

  3669.         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"

  3670.         _cflags_size="-O2 -Munroll=c:1 $opt_common"

  3671.         _cflags_noopt="-O"

  3672.         _flags_filter=pgi_flags

  3673.     elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then

  3674.         _type=armasm

  3675.         _ident=$($_cc | head -n1)

  3676.         # 4509: "This form of conditional instruction is deprecated"

  3677.         _flags="-nologo -ignore 4509"

  3678.         _flags_filter=armasm_flags

  3679.     elif $_cc 2>&1 | grep -q Intel; then

  3680.         _type=icl

  3681.         _ident=$($_cc 2>&1 | head -n1)

  3682.         _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'

  3683.         # Not only is O3 broken on 13.x+ but it is slower on all previous

  3684.         # versions (tested) as well.

  3685.         _cflags_speed="-O2"

  3686.         _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff

  3687.         if $_cc 2>&1 | grep -q Linker; then

  3688.             _ld_o='-out:$@'

  3689.         else

  3690.             _ld_o='-Fe$@'

  3691.         fi

  3692.         _cc_o='-Fo$@'

  3693.         _cc_e='-P'

  3694.         _flags_filter=icl_flags

  3695.         _ld_lib='lib%.a'

  3696.         _ld_path='-libpath:'

  3697.         # -Qdiag-error to make icl error when seeing certain unknown arguments

  3698.         _flags='-nologo -Qdiag-error:4044,10157'

  3699.         # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency

  3700.         # with MSVC which enables it by default.

  3701.         _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS -fp:precise'

  3702.         disable stripping

  3703.     elif $_cc -nologo- 2>&1 | grep -q Microsoft; then

  3704.         _type=msvc

  3705.         _ident=$($_cc 2>&1 | head -n1)

  3706.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'

  3707.         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'

  3708.         _cflags_speed="-O2"

  3709.         _cflags_size="-O1"

  3710.         if $_cc -nologo- 2>&1 | grep -q Linker; then

  3711.             _ld_o='-out:$@'

  3712.         else

  3713.             _ld_o='-Fe$@'

  3714.         fi

  3715.         _cc_o='-Fo$@'

  3716.         _cc_e='-P -Fi$@'

  3717.         _flags_filter=msvc_flags

  3718.         _ld_lib='lib%.a'

  3719.         _ld_path='-libpath:'

  3720.         _flags='-nologo'

  3721.         _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS'

  3722.         disable stripping

  3723.     elif $_cc --version 2>/dev/null | grep -q ^cparser; then

  3724.         _type=cparser

  3725.         _ident=$($_cc --version | head -n1)

  3726.         _depflags='-MMD'

  3727.         _cflags_speed='-O4'

  3728.         _cflags_size='-O2'

  3729.         _flags_filter=cparser_flags

  3730.     fi

  3731. 

  3732.     eval ${pfx}_type=\$_type

  3733.     eval ${pfx}_ident=\$_ident

  3734. }

  3735. 

  3736. set_ccvars(){

  3737.     eval ${1}_C=\${_cc_c-\${${1}_C}}

  3738.     eval ${1}_E=\${_cc_e-\${${1}_E}}

  3739.     eval ${1}_O=\${_cc_o-\${${1}_O}}

  3740. 

  3741.     if [ -n "$_depflags" ]; then

  3742.         eval ${1}_DEPFLAGS=\$_depflags

  3743.     else

  3744.         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}

  3745.         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}

  3746.         eval DEP${1}FLAGS=\$_flags

  3747.     fi

  3748. }

  3749. 

  3750. probe_cc cc "$cc" "true"

  3751. cflags_filter=$_flags_filter

  3752. cflags_speed=$_cflags_speed

  3753. cflags_size=$_cflags_size

  3754. cflags_noopt=$_cflags_noopt

  3755. add_cflags $_flags $_cflags

  3756. cc_ldflags=$_ldflags

  3757. set_ccvars CC

  3758. 

  3759. probe_cc hostcc "$host_cc"

  3760. host_cflags_filter=$_flags_filter

  3761. add_host_cflags  $_flags $_cflags

  3762. set_ccvars HOSTCC

  3763. 

  3764. test -n "$cc_type" && enable $cc_type ||

  3765.     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"

  3766. 

  3767. : ${as_default:=$cc}

  3768. : ${dep_cc_default:=$cc}

  3769. : ${ld_default:=$cc}

  3770. : ${host_ld_default:=$host_cc}

  3771. set_default ar as dep_cc ld host_ld windres

  3772. 

  3773. probe_cc as "$as"

  3774. asflags_filter=$_flags_filter

  3775. add_asflags $_flags $_cflags

  3776. set_ccvars AS

  3777. 

  3778. probe_cc ld "$ld"

  3779. ldflags_filter=$_flags_filter

  3780. add_ldflags $_flags $_ldflags

  3781. test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags

  3782. LD_O=${_ld_o-$LD_O}

  3783. LD_LIB=${_ld_lib-$LD_LIB}

  3784. LD_PATH=${_ld_path-$LD_PATH}

  3785. 

  3786. probe_cc hostld "$host_ld"

  3787. host_ldflags_filter=$_flags_filter

  3788. add_host_ldflags $_flags $_ldflags

  3789. HOSTLD_O=${_ld_o-$HOSTLD_O}

  3790. 

  3791. if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then

  3792.     probe_cc depcc "$dep_cc"

  3793.     CCDEP=${_DEPCMD:-$DEPCMD}

  3794.     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}

  3795.     DEPCCFLAGS=$_flags

  3796. fi

  3797. 

  3798. if $ar 2>&1 | grep -q Microsoft; then

  3799.     arflags="-nologo"

  3800.     ar_o='-out:$@'

  3801. elif $ar 2>&1 | grep -q 'Texas Instruments'; then

  3802.     arflags="rq"

  3803.     ar_o='$@'

  3804. elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then

  3805.     arflags='-Xany -r -c'

  3806.     ar_o='$@'

  3807. elif $ar 2>&1 | grep -q "\[D\] "; then

  3808.     arflags="rcD"

  3809.     ar_o='$@'

  3810. else

  3811.     arflags="rc"

  3812.     ar_o='$@'

  3813. fi

  3814. 

  3815. add_cflags $extra_cflags

  3816. add_cxxflags $extra_cxxflags

  3817. add_asflags $extra_cflags

  3818. 

  3819. if test -n "$sysroot"; then

  3820.     case "$cc_type" in

  3821.         gcc|llvm_gcc|clang)

  3822.             add_cppflags --sysroot="$sysroot"

  3823.             add_ldflags --sysroot="$sysroot"

  3824. # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking

  3825.             add_cppflags -isysroot "$sysroot"

  3826.             add_ldflags -isysroot "$sysroot"

  3827.         ;;

  3828.         tms470)

  3829.             add_cppflags -I"$sysinclude"

  3830.             add_ldflags  --sysroot="$sysroot"

  3831.         ;;

  3832.     esac

  3833. fi

  3834. 

  3835. if test "$cpu" = host; then

  3836.     enabled cross_compile &&

  3837.         die "--cpu=host makes no sense when cross-compiling."

  3838. 

  3839.     case "$cc_type" in

  3840.         gcc|llvm_gcc)

  3841.             check_native(){

  3842.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  3843.                 sed -n "/cc1.*$1=/{

  3844.                             s/.*$1=\\([^ ]*\\).*/\\1/

  3845.                             p

  3846.                             q

  3847.                         }" $TMPE

  3848.             }

  3849.             cpu=$(check_native -march || check_native -mcpu)

  3850.         ;;

  3851.     esac

  3852. 

  3853.     test "${cpu:-host}" = host &&

  3854.         die "--cpu=host not supported with compiler $cc"

  3855. fi

  3856. 

  3857. # Deal with common $arch aliases

  3858. case "$arch" in

  3859.     aarch64|arm64)

  3860.         arch="aarch64"

  3861.     ;;

  3862.     arm*|iPad*|iPhone*)

  3863.         arch="arm"

  3864.     ;;

  3865.     mips*|IP*)

  3866.         arch="mips"

  3867.     ;;

  3868.     parisc*|hppa*)

  3869.         arch="parisc"

  3870.     ;;

  3871.     "Power Macintosh"|ppc*|powerpc*)

  3872.         arch="ppc"

  3873.     ;;

  3874.     s390|s390x)

  3875.         arch="s390"

  3876.     ;;

  3877.     sh4|sh)

  3878.         arch="sh4"

  3879.     ;;

  3880.     sun4u|sparc*)

  3881.         arch="sparc"

  3882.     ;;

  3883.     tilegx|tile-gx)

  3884.         arch="tilegx"

  3885.     ;;

  3886.     i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)

  3887.         arch="x86"

  3888.     ;;

  3889. esac

  3890. 

  3891. is_in $arch $ARCH_LIST || warn "unknown architecture $arch"

  3892. enable $arch

  3893. 

  3894. # Add processor-specific flags

  3895. if enabled aarch64; then

  3896. 

  3897.     case $cpu in

  3898.         armv*)

  3899.             cpuflags="-march=$cpu"

  3900.         ;;

  3901.         *)

  3902.             cpuflags="-mcpu=$cpu"

  3903.         ;;

  3904.     esac

  3905. 

  3906. elif enabled alpha; then

  3907. 

  3908.     cpuflags="-mcpu=$cpu"

  3909. 

  3910. elif enabled arm; then

  3911. 

  3912.     check_arm_arch() {

  3913.         check_cpp_condition stddef.h \

  3914.             "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \

  3915.             $cpuflags

  3916.     }

  3917. 

  3918.     probe_arm_arch() {

  3919.         if   check_arm_arch 4;        then echo armv4;

  3920.         elif check_arm_arch 4T;       then echo armv4t;

  3921.         elif check_arm_arch 5;        then echo armv5;

  3922.         elif check_arm_arch 5E;       then echo armv5e;

  3923.         elif check_arm_arch 5T;       then echo armv5t;

  3924.         elif check_arm_arch 5TE;      then echo armv5te;

  3925.         elif check_arm_arch 5TEJ;     then echo armv5te;

  3926.         elif check_arm_arch 6;        then echo armv6;

  3927.         elif check_arm_arch 6J;       then echo armv6j;

  3928.         elif check_arm_arch 6K;       then echo armv6k;

  3929.         elif check_arm_arch 6Z;       then echo armv6z;

  3930.         elif check_arm_arch 6ZK;      then echo armv6zk;

  3931.         elif check_arm_arch 6T2;      then echo armv6t2;

  3932.         elif check_arm_arch 7;        then echo armv7;

  3933.         elif check_arm_arch 7A  7_A;  then echo armv7-a;

  3934.         elif check_arm_arch 7S;       then echo armv7-a;

  3935.         elif check_arm_arch 7R  7_R;  then echo armv7-r;

  3936.         elif check_arm_arch 7M  7_M;  then echo armv7-m;

  3937.         elif check_arm_arch 7EM 7E_M; then echo armv7-m;

  3938.         elif check_arm_arch 8A  8_A;  then echo armv8-a;

  3939.         fi

  3940.     }

  3941. 

  3942.     [ "$cpu" = generic ] && cpu=$(probe_arm_arch)

  3943. 

  3944.     case $cpu in

  3945.         armv*)

  3946.             cpuflags="-march=$cpu"

  3947.             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')

  3948.         ;;

  3949.         *)

  3950.             cpuflags="-mcpu=$cpu"

  3951.             case $cpu in

  3952.                 cortex-a*)                               subarch=armv7a  ;;

  3953.                 cortex-r*)                               subarch=armv7r  ;;

  3954.                 cortex-m*)                 enable thumb; subarch=armv7m  ;;

  3955.                 arm11*)                                  subarch=armv6   ;;

  3956.                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;

  3957.                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;

  3958.                 *)                             subarch=$(probe_arm_arch) ;;

  3959.             esac

  3960.         ;;

  3961.     esac

  3962. 

  3963.     case "$subarch" in

  3964.         armv5t*)    enable fast_clz                ;;

  3965.         armv[6-8]*)

  3966.             enable fast_clz

  3967.             disabled fast_unaligned || enable fast_unaligned

  3968.             ;;

  3969.     esac

  3970. 

  3971. elif enabled avr32; then

  3972. 

  3973.     case $cpu in

  3974.         ap7[02]0[0-2])

  3975.             subarch="avr32_ap"

  3976.             cpuflags="-mpart=$cpu"

  3977.         ;;

  3978.         ap)

  3979.             subarch="avr32_ap"

  3980.             cpuflags="-march=$cpu"

  3981.         ;;

  3982.         uc3[ab]*)

  3983.             subarch="avr32_uc"

  3984.             cpuflags="-mcpu=$cpu"

  3985.         ;;

  3986.         uc)

  3987.             subarch="avr32_uc"

  3988.             cpuflags="-march=$cpu"

  3989.         ;;

  3990.     esac

  3991. 

  3992. elif enabled bfin; then

  3993. 

  3994.     cpuflags="-mcpu=$cpu"

  3995. 

  3996. elif enabled mips; then

  3997. 

  3998.     cpuflags="-march=$cpu"

  3999. 

  4000.     case $cpu in

  4001.         24kc)

  4002.             disable mips32r5

  4003.             disable mips64r6

  4004.             disable mipsfpu

  4005.             disable mipsdspr1

  4006.             disable mipsdspr2

  4007.             disable msa

  4008.         ;;

  4009.         24kf*)

  4010.             disable mips32r5

  4011.             disable mips64r6

  4012.             disable mipsdspr1

  4013.             disable mipsdspr2

  4014.             disable msa

  4015.         ;;

  4016.         24kec|34kc|1004kc)

  4017.             disable mips32r5

  4018.             disable mips64r6

  4019.             disable mipsfpu

  4020.             disable mipsdspr2

  4021.             disable msa

  4022.         ;;

  4023.         24kef*|34kf*|1004kf*)

  4024.             disable mips32r5

  4025.             disable mips64r6

  4026.             disable mipsdspr2

  4027.             disable msa

  4028.         ;;

  4029.         74kc)

  4030.             disable mips32r5

  4031.             disable mips64r6

  4032.             disable mipsfpu

  4033.             disable msa

  4034.         ;;

  4035.         74kf)

  4036.             disable mips32r5

  4037.             disable mips64r6

  4038.             disable msa

  4039.         ;;

  4040.         p5600)

  4041.             disable mips64r6

  4042.             disable mipsdspr1

  4043.             disable mipsdspr2

  4044. 

  4045.             check_cflags "-mtune=p5600"

  4046.         ;;

  4047.         i6400)

  4048.             disable mips32r5

  4049.             disable mipsdspr1

  4050.             disable mipsdspr2

  4051.             disable mipsfpu

  4052. 

  4053.             check_cflags "-mtune=i6400 -mabi=64"

  4054.             check_ldflags "-mabi=64"

  4055.         ;;

  4056.         loongson*)

  4057.             disable mipsfpu

  4058.             disable mips32r2

  4059.             disable mips32r5

  4060.             disable mips64r6

  4061.             disable mipsdspr1

  4062.             disable mipsdspr2

  4063.             disable msa

  4064.             enable local_aligned_8 local_aligned_16 local_aligned_32

  4065.             enable simd_align_16

  4066.             enable fast_64bit

  4067.             enable fast_clz

  4068.             enable fast_cmov

  4069.             enable fast_unaligned

  4070.             disable aligned_stack

  4071.             case $cpu in

  4072.                 loongson3*)

  4073.                     cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"

  4074.                 ;;

  4075.                 loongson2e)

  4076.                     cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"

  4077.                 ;;

  4078.                 loongson2f)

  4079.                     cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"

  4080.                 ;;

  4081.             esac

  4082.         ;;

  4083.         generic)

  4084.             disable mips32r5

  4085.             disable mips64r6

  4086.             disable msa

  4087.         ;;

  4088.     esac

  4089. 

  4090. elif enabled ppc; then

  4091. 

  4092.     disable ldbrx

  4093. 

  4094.     case $(tolower $cpu) in

  4095.         601|ppc601|powerpc601)

  4096.             cpuflags="-mcpu=601"

  4097.             disable altivec

  4098.         ;;

  4099.         603*|ppc603*|powerpc603*)

  4100.             cpuflags="-mcpu=603"

  4101.             disable altivec

  4102.         ;;

  4103.         604*|ppc604*|powerpc604*)

  4104.             cpuflags="-mcpu=604"

  4105.             disable altivec

  4106.         ;;

  4107.         g3|75*|ppc75*|powerpc75*)

  4108.             cpuflags="-mcpu=750"

  4109.             disable altivec

  4110.         ;;

  4111.         g4|745*|ppc745*|powerpc745*)

  4112.             cpuflags="-mcpu=7450"

  4113.             disable vsx

  4114.         ;;

  4115.         74*|ppc74*|powerpc74*)

  4116.             cpuflags="-mcpu=7400"

  4117.             disable vsx

  4118.         ;;

  4119.         g5|970|ppc970|powerpc970)

  4120.             cpuflags="-mcpu=970"

  4121.             disable vsx

  4122.         ;;

  4123.         power[3-6]*)

  4124.             cpuflags="-mcpu=$cpu"

  4125.             disable vsx

  4126.         ;;

  4127.         power[7-8]*)

  4128.             cpuflags="-mcpu=$cpu"

  4129.         ;;

  4130.         cell)

  4131.             cpuflags="-mcpu=cell"

  4132.             enable ldbrx

  4133.             disable vsx

  4134.         ;;

  4135.         e500mc)

  4136.             cpuflags="-mcpu=e500mc"

  4137.             disable altivec

  4138.         ;;

  4139.         e500v2)

  4140.             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"

  4141.             disable altivec

  4142.             disable dcbzl

  4143.         ;;

  4144.         e500)

  4145.             cpuflags="-mcpu=8540 -mhard-float"

  4146.             disable altivec

  4147.             disable dcbzl

  4148.         ;;

  4149.     esac

  4150. 

  4151. elif enabled sparc; then

  4152. 

  4153.     case $cpu in

  4154.         cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])

  4155.             cpuflags="-mcpu=$cpu"

  4156.         ;;

  4157.         ultrasparc*|niagara[234])

  4158.             cpuflags="-mcpu=$cpu"

  4159.         ;;

  4160.     esac

  4161. 

  4162. elif enabled x86; then

  4163. 

  4164.     case $cpu in

  4165.         i[345]86|pentium)

  4166.             cpuflags="-march=$cpu"

  4167.             disable i686

  4168.             disable mmx

  4169.         ;;

  4170.         # targets that do NOT support nopl and conditional mov (cmov)

  4171.         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)

  4172.             cpuflags="-march=$cpu"

  4173.             disable i686

  4174.         ;;

  4175.         # targets that do support nopl and conditional mov (cmov)

  4176.         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\

  4177.         |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)

  4178.             cpuflags="-march=$cpu"

  4179.             enable i686

  4180.             enable fast_cmov

  4181.         ;;

  4182.         # targets that do support conditional mov but on which it's slow

  4183.         pentium4|pentium4m|prescott|nocona)

  4184.             cpuflags="-march=$cpu"

  4185.             enable i686

  4186.             disable fast_cmov

  4187.         ;;

  4188.     esac

  4189. 

  4190. fi

  4191. 

  4192. if [ "$cpu" != generic ]; then

  4193.     add_cflags  $cpuflags

  4194.     add_asflags $cpuflags

  4195. fi

  4196. 

  4197. # compiler sanity check

  4198. check_exec <<EOF

  4199. int main(void){ return 0; }

  4200. EOF

  4201. if test "$?" != 0; then

  4202.     echo "$cc is unable to create an executable file."

  4203.     if test -z "$cross_prefix" && ! enabled cross_compile ; then

  4204.         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."

  4205.         echo "Only do this if you know what cross compiling means."

  4206.     fi

  4207.     die "C compiler test failed."

  4208. fi

  4209. 

  4210. add_cppflags -D_ISOC99_SOURCE

  4211. add_cxxflags -D__STDC_CONSTANT_MACROS

  4212. check_cflags -std=c99

  4213. check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64

  4214. #include <stdlib.h>

  4215. EOF

  4216. check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE

  4217. #include <stdlib.h>

  4218. EOF

  4219. 

  4220. add_host_cppflags -D_ISOC99_SOURCE

  4221. check_host_cflags -std=c99

  4222. check_host_cflags -Wall

  4223. check_host_cflags -O3

  4224. 

  4225. check_64bit(){

  4226.     arch32=$1

  4227.     arch64=$2

  4228.     expr=$3

  4229.     check_code cc "" "int test[2*($expr) - 1]" &&

  4230.         subarch=$arch64 || subarch=$arch32

  4231. }

  4232. 

  4233. case "$arch" in

  4234.     aarch64|alpha|ia64)

  4235.         spic=$shared

  4236.     ;;

  4237.     mips)

  4238.         check_64bit mips mips64 '_MIPS_SIM > 1'

  4239.         spic=$shared

  4240.     ;;

  4241.     parisc)

  4242.         check_64bit parisc parisc64 'sizeof(void *) > 4'

  4243.         spic=$shared

  4244.     ;;

  4245.     ppc)

  4246.         check_64bit ppc ppc64 'sizeof(void *) > 4'

  4247.         spic=$shared

  4248.     ;;

  4249.     s390)

  4250.         check_64bit s390 s390x 'sizeof(void *) > 4'

  4251.         spic=$shared

  4252.     ;;

  4253.     sparc)

  4254.         check_64bit sparc sparc64 'sizeof(void *) > 4'

  4255.         spic=$shared

  4256.     ;;

  4257.     x86)

  4258.         check_64bit x86_32 x86_64 'sizeof(void *) > 4'

  4259.         # Treat x32 as x64 for now. Note it also needs spic=$shared

  4260.         test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&

  4261.             subarch=x86_64

  4262.         if test "$subarch" = "x86_64"; then

  4263.             spic=$shared

  4264.         fi

  4265.     ;;

  4266.     ppc)

  4267.         check_cc <<EOF && subarch="ppc64"

  4268.         int test[(int)sizeof(char*) - 7];

  4269. EOF

  4270.     ;;

  4271. esac

  4272. 

  4273. enable $subarch

  4274. enabled spic && enable_weak pic

  4275. 

  4276. # OS specific

  4277. case $target_os in

  4278.     aix)

  4279.         SHFLAGS=-shared

  4280.         add_cppflags '-I\$(SRC_PATH)/compat/aix'

  4281.         enabled shared && add_ldflags -Wl,-brtl

  4282.         ;;

  4283.     android)

  4284.         disable symver

  4285.         enable section_data_rel_ro

  4286.         SLIB_INSTALL_NAME='$(SLIBNAME)'

  4287.         SLIB_INSTALL_LINKS=

  4288.         # soname not set on purpose

  4289.         SHFLAGS=-shared

  4290.         ;;

  4291.     haiku)

  4292.         prefix_default="/boot/common"

  4293.         network_extralibs="-lnetwork"

  4294.         host_libs=

  4295.         ;;

  4296.     sunos)

  4297.         SHFLAGS='-shared -Wl,-h,$$(@F)'

  4298.         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"

  4299.         network_extralibs="-lsocket -lnsl"

  4300.         add_cppflags -D__EXTENSIONS__

  4301.         # When using suncc to build, the Solaris linker will mark

  4302.         # an executable with each instruction set encountered by

  4303.         # the Solaris assembler.  As our libraries contain their own

  4304.         # guards for processor-specific code, instead suppress

  4305.         # generation of the HWCAPS ELF section on Solaris x86 only.

  4306.         enabled_all suncc x86 &&

  4307.             echo "hwcap_1 = OVERRIDE;" > mapfile &&

  4308.             add_ldflags -Wl,-M,mapfile

  4309.         nm_default='nm -P -g'

  4310.         ;;

  4311.     netbsd)

  4312.         disable symver

  4313.         oss_indev_extralibs="-lossaudio"

  4314.         oss_outdev_extralibs="-lossaudio"

  4315.         enabled gcc || check_ldflags -Wl,-zmuldefs

  4316.         ;;

  4317.     openbsd|bitrig)

  4318.         disable symver

  4319.         SHFLAGS='-shared'

  4320.         SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'

  4321.         SLIB_INSTALL_LINKS=

  4322.         oss_indev_extralibs="-lossaudio"

  4323.         oss_outdev_extralibs="-lossaudio"

  4324.         ;;

  4325.     dragonfly)

  4326.         disable symver

  4327.         ;;

  4328.     freebsd)

  4329.         ;;

  4330.     bsd/os)

  4331.         add_extralibs -lpoll -lgnugetopt

  4332.         strip="strip -d"

  4333.         ;;

  4334.     darwin)

  4335.         enabled ppc && add_asflags -force_cpusubtype_ALL

  4336.         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'

  4337.         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress

  4338.         strip="${strip} -x"

  4339.         add_ldflags -Wl,-dynamic,-search_paths_first

  4340.         SLIBSUF=".dylib"

  4341.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'

  4342.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'

  4343.         objformat="macho"

  4344.         enabled x86_64 && objformat="macho64"

  4345.         enabled_any pic shared x86_64 ||

  4346.             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }

  4347.         ;;

  4348.     mingw32*|mingw64*)

  4349.         if test $target_os = "mingw32ce"; then

  4350.             disable network

  4351.         else

  4352.             target_os=mingw32

  4353.         fi

  4354.         decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"

  4355.         decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"

  4356.         LIBTARGET=i386

  4357.         if enabled x86_64; then

  4358.             LIBTARGET="i386:x86-64"

  4359.         elif enabled arm; then

  4360.             LIBTARGET=arm-wince

  4361.         fi

  4362.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4363.         check_ldflags -Wl,--nxcompat

  4364.         check_ldflags -Wl,--dynamicbase

  4365.         enabled x86_32 && check_ldflags -Wl,--large-address-aware

  4366.         shlibdir_default="$bindir_default"

  4367.         SLIBPREF=""

  4368.         SLIBSUF=".dll"

  4369.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4370.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4371.         dlltool="${cross_prefix}dlltool"

  4372.         if check_cmd lib.exe -list; then

  4373.             SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4374.             if enabled x86_64; then

  4375.                 LIBTARGET=x64

  4376.             fi

  4377.         elif check_cmd $dlltool --version; then

  4378.             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)'

  4379.         fi

  4380.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4381.         SLIB_INSTALL_LINKS=

  4382.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4383.         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4384.         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'

  4385.         objformat="win32"

  4386.         ranlib=:

  4387.         enable dos_paths

  4388.         ;;

  4389.     win32|win64)

  4390.         disable symver

  4391.         if enabled shared; then

  4392.             # Link to the import library instead of the normal static library

  4393.             # for shared libs.

  4394.             LD_LIB='%.lib'

  4395.             # Cannot build both shared and static libs with MSVC or icl.

  4396.             disable static

  4397.         fi

  4398.         enabled x86_32 && check_ldflags -LARGEADDRESSAWARE

  4399.         shlibdir_default="$bindir_default"

  4400.         SLIBPREF=""

  4401.         SLIBSUF=".dll"

  4402.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4403.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4404.         SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'

  4405.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4406.         SLIB_INSTALL_LINKS=

  4407.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4408.         SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4409.         SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4410.         objformat="win32"

  4411.         ranlib=:

  4412.         enable dos_paths

  4413.         ;;

  4414.     cygwin*)

  4415.         target_os=cygwin

  4416.         shlibdir_default="$bindir_default"

  4417.         SLIBPREF="cyg"

  4418.         SLIBSUF=".dll"

  4419.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4420.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4421.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4422.         SLIB_INSTALL_LINKS=

  4423.         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'

  4424.         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'

  4425.         objformat="win32"

  4426.         enable dos_paths

  4427.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4428.         ;;

  4429.     *-dos|freedos|opendos)

  4430.         network_extralibs="-lsocket"

  4431.         objformat="coff"

  4432.         enable dos_paths

  4433.         add_cppflags -U__STRICT_ANSI__

  4434.         ;;

  4435.     linux)

  4436.         enable dv1394

  4437.         enable section_data_rel_ro

  4438.         ;;

  4439.     irix*)

  4440.         target_os=irix

  4441.         ranlib="echo ignoring ranlib"

  4442.         ;;

  4443.     os/2*)

  4444.         strip="lxlite -CS"

  4445.         ln_s="cp -f"

  4446.         objformat="aout"

  4447.         add_cppflags -D_GNU_SOURCE

  4448.         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap

  4449.         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'

  4450.         LIBSUF="_s.a"

  4451.         SLIBPREF=""

  4452.         SLIBSUF=".dll"

  4453.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'

  4454.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'

  4455.         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \

  4456.             echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \

  4457.             echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \

  4458.             echo EXPORTS >> $(SUBDIR)$(NAME).def; \

  4459.             emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'

  4460.         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \

  4461.             emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'

  4462.         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'

  4463.         enable dos_paths

  4464.         enable_weak os2threads

  4465.         ;;

  4466.     gnu/kfreebsd)

  4467.         add_cppflags -D_BSD_SOURCE

  4468.         ;;

  4469.     gnu)

  4470.         ;;

  4471.     qnx)

  4472.         add_cppflags -D_QNX_SOURCE

  4473.         network_extralibs="-lsocket"

  4474.         ;;

  4475.     symbian)

  4476.         SLIBSUF=".dll"

  4477.         enable dos_paths

  4478.         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default

  4479.         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS

  4480.         add_ldflags -Wl,--target1-abs,--no-undefined \

  4481.                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \

  4482.                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup

  4483.         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \

  4484.                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \

  4485.                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib

  4486.         ;;

  4487.     osf1)

  4488.         add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT

  4489.         ;;

  4490.     minix)

  4491.         ;;

  4492.     plan9)

  4493.         add_cppflags -D_C99_SNPRINTF_EXTENSION  \

  4494.                      -D_REENTRANT_SOURCE        \

  4495.                      -D_RESEARCH_SOURCE         \

  4496.                      -DFD_SETSIZE=96            \

  4497.                      -DHAVE_SOCK_OPTS

  4498.         add_compat strtod.o strtod=avpriv_strtod

  4499.         network_extralibs='-lbsd'

  4500.         exeobjs=compat/plan9/main.o

  4501.         disable ffserver

  4502.         cp_f='cp'

  4503.         ;;

  4504.     none)

  4505.         ;;

  4506.     *)

  4507.         die "Unknown OS '$target_os'."

  4508.         ;;

  4509. esac

  4510. 

  4511. # determine libc flavour

  4512. 

  4513. probe_libc(){

  4514.     pfx=$1

  4515.     pfx_no_=${pfx%_}

  4516.     # uclibc defines __GLIBC__, so it needs to be checked before glibc.

  4517.     if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then

  4518.         eval ${pfx}libc_type=uclibc

  4519.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4520.     elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then

  4521.         eval ${pfx}libc_type=glibc

  4522.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4523.     # MinGW headers can be installed on Cygwin, so check for newlib first.

  4524.     elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then

  4525.         eval ${pfx}libc_type=newlib

  4526.         add_${pfx}cppflags -U__STRICT_ANSI__

  4527.     # MinGW64 is backwards compatible with MinGW32, so check for it first.

  4528.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then

  4529.         eval ${pfx}libc_type=mingw64

  4530.         if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then

  4531.             add_compat msvcrt/snprintf.o

  4532.             add_cflags "-include $source_path/compat/msvcrt/snprintf.h"

  4533.         fi

  4534.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4535.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4536.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4537.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION"  ||

  4538.          check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then

  4539.         eval ${pfx}libc_type=mingw32

  4540.         check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \

  4541.             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||

  4542.             die "ERROR: MinGW32 runtime version must be >= 3.15."

  4543.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4544.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4545.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4546.     elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then

  4547.         eval ${pfx}libc_type=msvcrt

  4548.         if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then

  4549.             if [ "$pfx" = host_ ]; then

  4550.                 add_host_cppflags -Dsnprintf=_snprintf

  4551.             else

  4552.                 add_compat strtod.o strtod=avpriv_strtod

  4553.                 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf   \

  4554.                                              _snprintf=avpriv_snprintf  \

  4555.                                              vsnprintf=avpriv_vsnprintf

  4556.             fi

  4557.         fi

  4558.         # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to

  4559.         # 0x601 by default unless something else is set by the user.

  4560.         # This can easily lead to us detecting functions only present

  4561.         # in such new versions and producing binaries requiring windows 7.0.

  4562.         # Therefore explicitly set the default to XP unless the user has

  4563.         # set something else on the command line.

  4564.         # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop

  4565.         # family. For these cases, configure is free to use any functions

  4566.         # found in the SDK headers by default. (Alternatively, we could force

  4567.         # _WIN32_WINNT to 0x0602 in that case.)

  4568.         check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||

  4569.             { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }

  4570. #ifdef WINAPI_FAMILY

  4571. #include <winapifamily.h>

  4572. #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

  4573. #error not desktop

  4574. #endif

  4575. #endif

  4576. EOF

  4577.     elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then

  4578.         eval ${pfx}libc_type=klibc

  4579.     elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then

  4580.         eval ${pfx}libc_type=bionic

  4581.     elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then

  4582.         eval ${pfx}libc_type=solaris

  4583.         add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600

  4584.     fi

  4585.     check_${pfx}cc <<EOF

  4586. #include <time.h>

  4587. void *v = localtime_r;

  4588. EOF

  4589. 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

  4590. #include <time.h>

  4591. void *v = localtime_r;

  4592. EOF

  4593. 

  4594. }

  4595. 

  4596. probe_libc

  4597. test -n "$libc_type" && enable libc_$libc_type

  4598. probe_libc host_

  4599. test -n "$host_libc_type" && enable host_libc_$host_libc_type

  4600. 

  4601. case $libc_type in

  4602.     bionic)

  4603.         add_compat strtod.o strtod=avpriv_strtod

  4604.         ;;

  4605. esac

  4606. 

  4607. # hacks for compiler/libc/os combinations

  4608. 

  4609. if enabled_all tms470 libc_glibc; then

  4610.     CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"

  4611.     add_cppflags -D__USER_LABEL_PREFIX__=

  4612.     add_cppflags -D__builtin_memset=memset

  4613.     add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED

  4614.     add_cflags   -pds=48    # incompatible redefinition of macro

  4615. fi

  4616. 

  4617. if enabled_all ccc libc_glibc; then

  4618.     add_ldflags -Wl,-z,now  # calls to libots crash without this

  4619. fi

  4620. 

  4621. check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||

  4622.     add_cppflags '-I\$(SRC_PATH)/compat/float'

  4623. 

  4624. esc(){

  4625.     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'

  4626. }

  4627. 

  4628. echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate

  4629. 

  4630. check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic

  4631. 

  4632. set_default libdir

  4633. : ${shlibdir_default:="$libdir"}

  4634. : ${pkgconfigdir_default:="$libdir/pkgconfig"}

  4635. 

  4636. set_default $PATHS_LIST

  4637. set_default nm

  4638. 

  4639. # we need to build at least one lib type

  4640. if ! enabled_any static shared; then

  4641.     cat <<EOF

  4642. At least one library type must be built.

  4643. Specify --enable-static to build the static libraries or --enable-shared to

  4644. build the shared libraries as well. To only build the shared libraries specify

  4645. --disable-static in addition to --enable-shared.

  4646. EOF

  4647.     exit 1;

  4648. fi

  4649. 

  4650. die_license_disabled() {

  4651.     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }

  4652. }

  4653. 

  4654. die_license_disabled_gpl() {

  4655.     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }

  4656. }

  4657. 

  4658. die_license_disabled gpl frei0r

  4659. die_license_disabled gpl libcdio

  4660. die_license_disabled gpl libsmbclient

  4661. die_license_disabled gpl libutvideo

  4662. die_license_disabled gpl libvidstab

  4663. die_license_disabled gpl libx264

  4664. die_license_disabled gpl libx265

  4665. die_license_disabled gpl libxavs

  4666. die_license_disabled gpl libxvid

  4667. die_license_disabled gpl libzvbi

  4668. die_license_disabled gpl x11grab

  4669. 

  4670. die_license_disabled nonfree libaacplus

  4671. die_license_disabled nonfree libfaac

  4672. die_license_disabled nonfree nvenc

  4673. enabled gpl && die_license_disabled_gpl nonfree libfdk_aac

  4674. enabled gpl && die_license_disabled_gpl nonfree openssl

  4675. 

  4676. die_license_disabled version3 libopencore_amrnb

  4677. die_license_disabled version3 libopencore_amrwb

  4678. die_license_disabled version3 libsmbclient

  4679. die_license_disabled version3 libvo_aacenc

  4680. die_license_disabled version3 libvo_amrwbenc

  4681. 

  4682. enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }

  4683. 

  4684. disabled optimizations || check_cflags -fomit-frame-pointer

  4685. 

  4686. enable_weak_pic() {

  4687.     disabled pic && return

  4688.     enable pic

  4689.     add_cppflags -DPIC

  4690.     case "$target_os" in

  4691.     mingw*|cygwin*)

  4692.         ;;

  4693.     *)

  4694.         add_cflags -fPIC

  4695.         ;;

  4696.     esac

  4697.     add_asflags  -fPIC

  4698. }

  4699. 

  4700. enabled pic && enable_weak_pic

  4701. 

  4702. check_cc <<EOF || die "Symbol mangling check failed."

  4703. int ff_extern;

  4704. EOF

  4705. sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')

  4706. extern_prefix=${sym%%ff_extern*}

  4707. 

  4708. check_cc <<EOF && enable_weak inline_asm

  4709. void foo(void) { __asm__ volatile ("" ::); }

  4710. EOF

  4711. 

  4712. _restrict=

  4713. for restrict_keyword in restrict __restrict__ __restrict; do

  4714.     check_cc <<EOF && _restrict=$restrict_keyword && break

  4715. void foo(char * $restrict_keyword p);

  4716. EOF

  4717. done

  4718. 

  4719. check_cc <<EOF && enable pragma_deprecated

  4720. void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }

  4721. EOF

  4722. 

  4723. check_cc <<EOF && enable attribute_packed

  4724. struct { int x; } __attribute__((packed)) x;

  4725. EOF

  4726. 

  4727. check_cc <<EOF && enable attribute_may_alias

  4728. union { int x; } __attribute__((may_alias)) x;

  4729. EOF

  4730. 

  4731. check_cc <<EOF || die "endian test failed"

  4732. unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';

  4733. EOF

  4734. od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian

  4735. 

  4736. if ! enabled ppc64 || enabled bigendian; then

  4737.     disable vsx

  4738. fi

  4739. 

  4740. check_gas() {

  4741.     log "check_gas using '$as' as AS"

  4742.     # :vararg is used on aarch64, arm and ppc altivec

  4743.     check_as <<EOF || return 1

  4744. .macro m n, y:vararg=0

  4745. \n: .int \y

  4746. .endm

  4747. m x

  4748. EOF

  4749.     # .altmacro is only used in arm asm

  4750.     ! enabled arm || check_as <<EOF || return 1

  4751. .altmacro

  4752. EOF

  4753.     enable gnu_as

  4754.     return 0

  4755. }

  4756. 

  4757. if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then

  4758.     nogas=:

  4759.     enabled_any arm aarch64 && nogas=die

  4760.     enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn

  4761.     as_noop=-v

  4762. 

  4763.     case $as_type in

  4764.         arm*) gaspp_as_type=armasm; as_noop=-h ;;

  4765.         gcc)  gaspp_as_type=gas ;;

  4766.         *)    gaspp_as_type=$as_type ;;

  4767.     esac

  4768. 

  4769.     [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"

  4770. 

  4771.     test "${as#*gas-preprocessor.pl}" != "$as" ||

  4772.     check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&

  4773.         gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"

  4774. 

  4775.     if ! check_gas ; then

  4776.         as=${gas:=$as}

  4777.         check_gas || \

  4778.             $nogas "GNU assembler not found, install/update gas-preprocessor"

  4779.     fi

  4780. 

  4781.     check_as <<EOF && enable as_func

  4782. .func test

  4783. .endfunc

  4784. EOF

  4785. fi

  4786. 

  4787. check_inline_asm inline_asm_labels '"1:\n"'

  4788. 

  4789. check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'

  4790. 

  4791. if enabled aarch64; then

  4792.     enabled armv8 && check_insn armv8 'prfm   pldl1strm, [x0]'

  4793.     # internal assembler in clang 3.3 does not support this instruction

  4794.     enabled neon && check_insn neon 'ext   v0.8B, v0.8B, v1.8B, #1'

  4795.     enabled vfp  && check_insn vfp  'fmadd d0,    d0,    d1,    d2'

  4796. 

  4797.     map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM

  4798. 

  4799. elif enabled alpha; then

  4800. 

  4801.     check_cflags -mieee

  4802. 

  4803. elif enabled arm; then

  4804. 

  4805.     enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb

  4806. 

  4807.     check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb

  4808. float func(float a, float b){ return a+b; }

  4809. EOF

  4810. 

  4811.     enabled thumb && check_cflags -mthumb || check_cflags -marm

  4812. 

  4813.     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then

  4814.         enable vfp_args

  4815.     elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then

  4816.         enable vfp_args

  4817.     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then

  4818.         case "${cross_prefix:-$cc}" in

  4819.             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;

  4820.             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;

  4821. __asm__ (".eabi_attribute 28, 1");

  4822. int main(void) { return 0; }

  4823. EOF

  4824.         esac

  4825.         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."

  4826.     fi

  4827. 

  4828.     enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'

  4829.     enabled armv6   && check_insn armv6   'sadd16 r0, r0, r0'

  4830.     enabled armv6t2 && check_insn armv6t2 'movt r0, #0'

  4831.     enabled neon    && check_insn neon    'vadd.i16 q0, q0, q0'

  4832.     enabled vfp     && check_insn vfp     'fadds s0, s0, s0'

  4833.     enabled vfpv3   && check_insn vfpv3   'vmov.f32 s0, #1.0'

  4834.     enabled setend  && check_insn setend  'setend be'

  4835. 

  4836.     [ $target_os = linux ] || [ $target_os = android ] ||

  4837.         map 'enabled_any ${v}_external ${v}_inline || disable $v' \

  4838.             $ARCH_EXT_LIST_ARM

  4839. 

  4840.     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'

  4841. 

  4842.     check_as <<EOF && enable as_dn_directive

  4843. ra .dn d0.i16

  4844. .unreq ra

  4845. EOF

  4846. 

  4847.     # llvm's integrated assembler supports .object_arch from llvm 3.5

  4848.     [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch

  4849. .object_arch armv4

  4850. EOF

  4851. 

  4852.     [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic

  4853. 

  4854. elif enabled mips; then

  4855. 

  4856.     enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'

  4857.     enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'

  4858.     enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'

  4859. 

  4860.     # Enable minimum ISA based on selected options

  4861.     if enabled mips64 && (enabled mipsdspr1 || enabled mipsdspr2); then

  4862.         add_cflags "-mips64r2"

  4863.         add_asflags "-mips64r2"

  4864.     elif enabled mips64 && enabled mipsfpu && disabled loongson2 && disabled loongson3; then

  4865.         add_cflags "-mips64"

  4866.         add_asflags "-mips64"

  4867.     elif enabled mipsdspr1 || enabled mipsdspr2; then

  4868.         add_cflags "-mips32r2 -mfp32"

  4869.         add_asflags "-mips32r2 -mfp32"

  4870.     elif enabled mips32r5 || enabled mips64r6; then

  4871.         check_cflags "-mfp64"

  4872.         check_ldflags "-mfp64"

  4873.     fi

  4874. 

  4875.     enabled mips32r5  && check_cflags "-mips32r5 -msched-weight -mload-store-pairs -funroll-loops" &&

  4876.      check_ldflags "-mips32r5" &&

  4877.      check_inline_asm mips32r5  '"ulw $t0, ($t1)"'

  4878.     enabled mips64r6  && check_cflags "-mips64r6 -msched-weight -mload-store-pairs -funroll-loops" &&

  4879.      check_ldflags "-mips64r6" &&

  4880.      check_inline_asm mips64r6  '"aui $t0, $t1, 1"'

  4881.     enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&

  4882.      check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'

  4883.     enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&

  4884.      check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'

  4885.     enabled mipsfpu   && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&

  4886.      check_inline_asm mipsfpu   '"madd.d $f0, $f2, $f4, $f6"'

  4887.     enabled msa       && check_cflags "-mmsa" && check_ldflags "-mmsa" &&

  4888.      check_inline_asm msa       '"addvi.b $w0, $w1, 1"'

  4889. 

  4890.     enabled mips32r5 && add_asflags "-mips32r5 -mfp64"

  4891.     enabled mips64r6 && add_asflags "-mips64r6 -mfp64"

  4892.     enabled msa && add_asflags "-mmsa"

  4893. 

  4894. elif enabled parisc; then

  4895. 

  4896.     if enabled gcc; then

  4897.         case $($cc -dumpversion) in

  4898.             4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;

  4899.         esac

  4900.     fi

  4901. 

  4902. elif enabled ppc; then

  4903. 

  4904.     enable local_aligned_8 local_aligned_16 local_aligned_32

  4905. 

  4906.     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'

  4907.     check_inline_asm ibm_asm   '"add 0, 0, 0"'

  4908.     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'

  4909.     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'

  4910. 

  4911.     # AltiVec flags: The FSF version of GCC differs from the Apple version

  4912.     if enabled altivec; then

  4913.         check_cflags -maltivec -mabi=altivec &&

  4914.         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||

  4915.         check_cflags -faltivec

  4916. 

  4917.         # check if our compiler supports Motorola AltiVec C API

  4918.         check_cc <<EOF || disable altivec

  4919. $inc_altivec_h

  4920. int main(void) {

  4921.     vector signed int v1 = (vector signed int) { 0 };

  4922.     vector signed int v2 = (vector signed int) { 1 };

  4923.     v1 = vec_add(v1, v2);

  4924.     return 0;

  4925. }

  4926. EOF

  4927. 

  4928.         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"

  4929.     fi

  4930. 

  4931.     if enabled vsx; then

  4932.         check_cflags -mvsx &&

  4933.         check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx

  4934.     fi

  4935. 

  4936.     if enabled power8; then

  4937.         check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8

  4938.     fi

  4939. 

  4940. elif enabled x86; then

  4941. 

  4942.     check_builtin rdtsc    intrin.h   "__rdtsc()"

  4943.     check_builtin mm_empty mmintrin.h "_mm_empty()"

  4944. 

  4945.     enable local_aligned_8 local_aligned_16 local_aligned_32

  4946. 

  4947.     # check whether EBP is available on x86

  4948.     # As 'i' is stored on the stack, this program will crash

  4949.     # if the base pointer is used to access it because the

  4950.     # base pointer is cleared in the inline assembly code.

  4951.     check_exec_crash <<EOF && enable ebp_available

  4952. volatile int i=0;

  4953. __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");

  4954. return i;

  4955. EOF

  4956. 

  4957.     # check whether EBX is available on x86

  4958.     check_inline_asm ebx_available '""::"b"(0)' &&

  4959.         check_inline_asm ebx_available '"":::"%ebx"'

  4960. 

  4961.     # check whether xmm clobbers are supported

  4962.     check_inline_asm xmm_clobbers '"":::"%xmm0"'

  4963. 

  4964.     check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||

  4965.         check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'

  4966. 

  4967.     # check whether binutils is new enough to compile SSSE3/MMXEXT

  4968.     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'

  4969.     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'

  4970. 

  4971.     if ! disabled_any asm mmx yasm; then

  4972.         if check_cmd $yasmexe --version; then

  4973.             enabled x86_64 && yasm_extra="-m amd64"

  4974.             yasm_debug="-g dwarf2"

  4975.         elif check_cmd nasm -v; then

  4976.             yasmexe=nasm

  4977.             yasm_debug="-g -F dwarf"

  4978.             if enabled x86_64; then

  4979.                 case "$objformat" in

  4980.                     elf)   objformat=elf64 ;;

  4981.                     win32) objformat=win64 ;;

  4982.                 esac

  4983.             fi

  4984.         fi

  4985. 

  4986.         YASMFLAGS="-f $objformat $yasm_extra"

  4987.         enabled pic               && append YASMFLAGS "-DPIC"

  4988.         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"

  4989.         case "$objformat" in

  4990.             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;

  4991.         esac

  4992. 

  4993.         check_yasm "movbe ecx, [5]" && enable yasm ||

  4994.             die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."

  4995.         check_yasm "vextracti128 xmm0, ymm0, 0"      || disable avx2_external

  4996.         check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external

  4997.         check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external

  4998.         check_yasm "CPU amdnop" || disable cpunop

  4999.     fi

  5000. 

  5001.     case "$cpu" in

  5002.         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)

  5003.             disable fast_clz

  5004.         ;;

  5005.     esac

  5006. 

  5007. fi

  5008. 

  5009. check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon

  5010. 

  5011. check_ldflags -Wl,--as-needed

  5012. check_ldflags -Wl,-z,noexecstack

  5013. 

  5014. if check_func dlopen; then

  5015.     ldl=

  5016. elif check_func dlopen -ldl; then

  5017.     ldl=-ldl

  5018. fi

  5019. 

  5020. frei0r_filter_extralibs='$ldl'

  5021. frei0r_src_filter_extralibs='$ldl'

  5022. ladspa_filter_extralibs='$ldl'

  5023. nvenc_encoder_extralibs='$ldl'

  5024. 

  5025. if ! disabled network; then

  5026.     check_func getaddrinfo $network_extralibs

  5027.     check_func getservbyport $network_extralibs

  5028.     check_func inet_aton $network_extralibs

  5029. 

  5030.     check_type netdb.h "struct addrinfo"

  5031.     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE

  5032.     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE

  5033.     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE

  5034.     check_type poll.h "struct pollfd"

  5035.     check_type netinet/sctp.h "struct sctp_event_subscribe"

  5036.     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len

  5037.     check_type netinet/in.h "struct sockaddr_in6"

  5038.     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"

  5039.     check_type "sys/types.h sys/socket.h" socklen_t

  5040. 

  5041.     # Prefer arpa/inet.h over winsock2

  5042.     if check_header arpa/inet.h ; then

  5043.         check_func closesocket

  5044.     elif check_header winsock2.h ; then

  5045.         check_func_headers winsock2.h closesocket -lws2 &&

  5046.             network_extralibs="-lws2" ||

  5047.         { check_func_headers winsock2.h closesocket -lws2_32 &&

  5048.             network_extralibs="-lws2_32"; } || disable winsock2_h network

  5049.         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs

  5050. 

  5051.         check_type ws2tcpip.h socklen_t

  5052.         check_type ws2tcpip.h "struct addrinfo"

  5053.         check_type ws2tcpip.h "struct group_source_req"

  5054.         check_type ws2tcpip.h "struct ip_mreq_source"

  5055.         check_type ws2tcpip.h "struct ipv6_mreq"

  5056.         check_type winsock2.h "struct pollfd"

  5057.         check_struct winsock2.h "struct sockaddr" sa_len

  5058.         check_type ws2tcpip.h "struct sockaddr_in6"

  5059.         check_type ws2tcpip.h "struct sockaddr_storage"

  5060.     else

  5061.         disable network

  5062.     fi

  5063. fi

  5064. 

  5065. check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"

  5066. check_builtin atomic_compare_exchange "" "int *ptr, *oldval; int newval; __atomic_compare_exchange_n(ptr, oldval, newval, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)"

  5067. check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"

  5068. check_builtin MemoryBarrier windows.h "MemoryBarrier()"

  5069. check_builtin sarestart signal.h "SA_RESTART"

  5070. check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"

  5071. check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"

  5072. check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"

  5073. 

  5074. check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc

  5075. check_func  ${malloc_prefix}memalign            && enable memalign

  5076. check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign

  5077. 

  5078. check_func  access

  5079. check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  5080. check_func  fcntl

  5081. check_func  fork

  5082. check_func  gethrtime

  5083. check_func  getopt

  5084. check_func  getrusage

  5085. check_func  gettimeofday

  5086. check_func  isatty

  5087. check_func  mach_absolute_time

  5088. check_func  mkstemp

  5089. check_func  mmap

  5090. check_func  mprotect

  5091. # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that

  5092. check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  5093. check_func  sched_getaffinity

  5094. check_func  setrlimit

  5095. check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE

  5096. check_func  strerror_r

  5097. check_func  sysconf

  5098. check_func  sysctl

  5099. check_func  usleep

  5100. 

  5101. check_func_headers conio.h kbhit

  5102. check_func_headers io.h setmode

  5103. check_func_headers lzo/lzo1x.h lzo1x_999_compress

  5104. check_func_headers stdlib.h getenv

  5105. check_func_headers sys/stat.h lstat

  5106. 

  5107. check_func_headers windows.h CoTaskMemFree -lole32

  5108. check_func_headers windows.h GetProcessAffinityMask

  5109. check_func_headers windows.h GetProcessTimes

  5110. check_func_headers windows.h GetSystemTimeAsFileTime

  5111. check_func_headers windows.h MapViewOfFile

  5112. check_func_headers windows.h PeekNamedPipe

  5113. check_func_headers windows.h SetConsoleTextAttribute

  5114. check_func_headers windows.h SetConsoleCtrlHandler

  5115. check_func_headers windows.h Sleep

  5116. check_func_headers windows.h VirtualAlloc

  5117. check_struct windows.h "CONDITION_VARIABLE" Ptr

  5118. check_func_headers glob.h glob

  5119. enabled xlib &&

  5120.     check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext

  5121. 

  5122. check_header CoreServices/CoreServices.h

  5123. check_header direct.h

  5124. check_header dirent.h

  5125. check_header dlfcn.h

  5126. check_header d3d11.h

  5127. check_header dxva.h

  5128. check_header dxva2api.h -D_WIN32_WINNT=0x0600

  5129. check_header io.h

  5130. check_header libcrystalhd/libcrystalhd_if.h

  5131. check_header mach/mach_time.h

  5132. check_header malloc.h

  5133. check_header net/udplite.h

  5134. check_header poll.h

  5135. check_header sys/mman.h

  5136. check_header sys/param.h

  5137. check_header sys/resource.h

  5138. check_header sys/select.h

  5139. check_header sys/time.h

  5140. check_header sys/un.h

  5141. check_header termios.h

  5142. check_header unistd.h

  5143. check_header valgrind/valgrind.h

  5144. check_header vdpau/vdpau.h

  5145. check_header vdpau/vdpau_x11.h

  5146. check_header VideoDecodeAcceleration/VDADecoder.h

  5147. check_header VideoToolbox/VideoToolbox.h

  5148. check_header windows.h

  5149. check_header X11/extensions/XvMClib.h

  5150. check_header asm/types.h

  5151. 

  5152. check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32

  5153. check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32

  5154. check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi

  5155. 

  5156. check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss

  5157. 

  5158. check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0

  5159. check_type "windows.h d3d11.h" "ID3D11VideoDecoder"

  5160. check_type "windows.h d3d11.h" "ID3D11VideoContext"

  5161. check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602

  5162. 

  5163. check_type "va/va.h" "VAPictureParameterBufferHEVC"

  5164. 

  5165. check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"

  5166. 

  5167. if ! disabled w32threads && ! enabled pthreads; then

  5168.     check_func_headers "windows.h process.h" _beginthreadex &&

  5169.         enable w32threads || disable w32threads

  5170. fi

  5171. 

  5172. # check for some common methods of building with pthread support

  5173. # do this before the optional library checks as some of them require pthreads

  5174. if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then

  5175.     enable pthreads

  5176.     if check_func pthread_join -pthread && check_func pthread_create -pthread; then

  5177.         add_cflags -pthread

  5178.         add_extralibs -pthread

  5179.     elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then

  5180.         add_cflags -pthreads

  5181.         add_extralibs -pthreads

  5182.     elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then

  5183.         add_cflags -ldl -pthread

  5184.         add_extralibs -ldl -pthread

  5185.     elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then

  5186.         add_extralibs -lpthreadGC2

  5187.     elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then

  5188.         :

  5189.     elif ! check_func pthread_join && ! check_func pthread_create; then

  5190.         disable pthreads

  5191.     fi

  5192.     check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads

  5193. fi

  5194. 

  5195. 

  5196. if enabled pthreads; then

  5197.   check_func pthread_cancel

  5198. fi

  5199. 

  5200. disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib

  5201. disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib

  5202. disabled  lzma || check_lib2  lzma.h lzma_version_number -llzma || disable lzma

  5203. 

  5204. check_lib math.h sin -lm && LIBM="-lm"

  5205. disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd

  5206. 

  5207. atan2f_args=2

  5208. copysign_args=2

  5209. ldexpf_args=2

  5210. powf_args=2

  5211. 

  5212. for func in $MATH_FUNCS; do

  5213.     eval check_mathfunc $func \${${func}_args:-1}

  5214. done

  5215. 

  5216. # these are off by default, so fail if requested and not available

  5217. enabled avfoundation_indev && { check_header_oc AVFoundation/AVFoundation.h || disable avfoundation_indev; }

  5218. enabled avfoundation_indev && { check_lib2 CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||

  5219.                                 check_lib2 ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }

  5220. enabled avisynth          && { { check_lib2 "windows.h" LoadLibrary; } ||

  5221.                                { check_lib2 "dlfcn.h" dlopen -ldl; } ||

  5222.                                die "ERROR: LoadLibrary/dlopen not found for avisynth"; }

  5223. enabled decklink          && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }

  5224. enabled frei0r            && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }

  5225. enabled gnutls            && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init

  5226. enabled ladspa            && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }

  5227. enabled libiec61883       && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883

  5228. enabled libaacplus        && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus

  5229. enabled libass            && require_pkg_config libass ass/ass.h ass_library_init

  5230. enabled libbluray         && require_pkg_config libbluray libbluray/bluray.h bd_open

  5231. enabled libbs2b           && require_pkg_config libbs2b bs2b.h bs2b_open

  5232. enabled libcelt           && require libcelt celt/celt.h celt_decode -lcelt0 &&

  5233.                              { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||

  5234.                                die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }

  5235. enabled libcaca           && require_pkg_config caca caca.h caca_create_canvas

  5236. enabled libdcadec         && require_pkg_config dcadec libdcadec/dca_context.h dcadec_context_create &&

  5237.                              check_struct libdcadec/dca_context.h "struct dcadec_exss_info" matrix_encoding

  5238. enabled libfaac           && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac

  5239. enabled libfdk_aac        && { use_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||

  5240.                                { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&

  5241.                                  warn "using libfdk without pkg-config"; } }

  5242. 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"

  5243. enabled libflite          && require2 libflite "flite/flite.h" flite_init $flite_libs

  5244. enabled fontconfig        && enable libfontconfig

  5245. enabled libfontconfig     && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit

  5246. enabled libfreetype       && require_libfreetype

  5247. enabled libfribidi        && require_pkg_config fribidi fribidi.h fribidi_version_info

  5248. enabled libgme            && require  libgme gme/gme.h gme_new_emu -lgme -lstdc++

  5249. enabled libgsm            && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do

  5250.                                    check_lib "${gsm_hdr}" gsm_create -lgsm && break;

  5251.                                done || die "ERROR: libgsm not found"; }

  5252. enabled libilbc           && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc

  5253. enabled libkvazaar        && require_pkg_config kvazaar kvazaar.h kvz_api_get

  5254. enabled libmfx            && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit

  5255. enabled libmodplug        && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load

  5256. enabled libmp3lame        && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame

  5257. enabled libnut            && require libnut libnut.h nut_demuxer_init -lnut

  5258. enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb

  5259. enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb

  5260. enabled libopencv         && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader

  5261. enabled libopenh264       && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion

  5262. enabled libopenjpeg       && { check_lib openjpeg.h opj_version -lopenmj2 -DOPJ_STATIC ||

  5263.                                check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  5264.                                check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  5265.                                die "ERROR: libopenjpeg not found"; }

  5266. enabled libopus           && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create

  5267. enabled libpulse          && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new

  5268. enabled libquvi           && require_pkg_config libquvi quvi/quvi.h quvi_init

  5269. enabled librtmp           && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket

  5270. enabled libschroedinger   && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init

  5271. enabled libshine          && require_pkg_config shine shine/layer3.h shine_encode_buffer

  5272. enabled libsmbclient      && { use_pkg_config smbclient libsmbclient.h smbc_init ||

  5273.                                require smbclient libsmbclient.h smbc_init -lsmbclient; }

  5274. enabled libsnappy         && require snappy snappy-c.h snappy_compress -lsnappy

  5275. enabled libsoxr           && require libsoxr soxr.h soxr_create -lsoxr && LIBSOXR="-lsoxr"

  5276. enabled libssh            && require_pkg_config libssh libssh/sftp.h sftp_init

  5277. enabled libspeex          && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex

  5278. enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h

  5279.     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h

  5280.     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static

  5281. enabled libtesseract      && require_pkg_config tesseract tesseract/capi.h TessBaseAPICreate

  5282. enabled libtheora         && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg

  5283. enabled libtwolame        && require libtwolame twolame.h twolame_init -ltwolame &&

  5284.                              { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||

  5285.                                die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }

  5286. enabled libutvideo        && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++

  5287. enabled libv4l2           && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl

  5288. enabled libvidstab        && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit

  5289. enabled libvo_aacenc      && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc

  5290. enabled libvo_amrwbenc    && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc

  5291. enabled libvorbis         && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg

  5292. 

  5293. enabled libvpx            && {

  5294.     enabled libvpx_vp8_decoder && {

  5295.         use_pkg_config "vpx >= 0.9.1" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||

  5296.             check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||

  5297.                 die "ERROR: libvpx decoder version must be >=0.9.1";

  5298.     }

  5299.     enabled libvpx_vp8_encoder && {

  5300.         use_pkg_config "vpx >= 0.9.7" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||

  5301.             check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||

  5302.                 die "ERROR: libvpx encoder version must be >=0.9.7";

  5303.     }

  5304.     enabled libvpx_vp9_decoder && {

  5305.         use_pkg_config "vpx >= 1.3.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||

  5306.             check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx ||

  5307.                 disable libvpx_vp9_decoder;

  5308.     }

  5309.     enabled libvpx_vp9_encoder && {

  5310.         use_pkg_config "vpx >= 1.3.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||

  5311.             check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx ||

  5312.                 disable libvpx_vp9_encoder;

  5313.     }

  5314.     if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then

  5315.         die "libvpx enabled but no supported decoders found"

  5316.     fi

  5317. }

  5318. 

  5319. enabled libwavpack        && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput  -lwavpack

  5320. enabled libwebp           && {

  5321.     enabled libwebp_encoder      && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion

  5322.     enabled libwebp_anim_encoder && { use_pkg_config "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit || disable libwebp_anim_encoder; } }

  5323. enabled libx264           && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||

  5324.                                { require libx264 x264.h x264_encoder_encode -lx264 &&

  5325.                                  warn "using libx264 without pkg-config"; } } &&

  5326.                              { check_cpp_condition x264.h "X264_BUILD >= 118" ||

  5327.                                die "ERROR: libx264 must be installed and version must be >= 0.118."; } &&

  5328.                              { check_cpp_condition x264.h "X264_MPEG2" &&

  5329.                                enable libx262; }

  5330. enabled libx265           && require_pkg_config x265 x265.h x265_api_get &&

  5331.                              { check_cpp_condition x265.h "X265_BUILD >= 57" ||

  5332.                                die "ERROR: libx265 version must be >= 57."; }

  5333. enabled libxavs           && require libxavs xavs.h xavs_encoder_encode -lxavs

  5334. enabled libxvid           && require libxvid xvid.h xvid_global -lxvidcore

  5335. enabled libzmq            && require_pkg_config libzmq zmq.h zmq_ctx_new

  5336. enabled libzvbi           && require libzvbi libzvbi.h vbi_decoder_new -lzvbi

  5337. enabled mmal              && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||

  5338.                                 { ! enabled cross_compile && {

  5339.                                     add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;

  5340.                                     add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;

  5341.                                     check_lib interface/mmal/mmal.h mmal_port_connect ; }

  5342.                                 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||

  5343.                                die "ERROR: mmal not found"; }

  5344. enabled nvenc             && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; } &&

  5345.                              { check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 5" ||

  5346.                                die "ERROR: NVENC API version 4 or older is not supported"; } &&

  5347.                              { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }

  5348. enabled openal            && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do

  5349.                                check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||

  5350.                                die "ERROR: openal not found"; } &&

  5351.                              { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||

  5352.                                die "ERROR: openal must be installed and version must be 1.1 or compatible"; }

  5353. enabled opencl            && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||

  5354.                                check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||

  5355.                                die "ERROR: opencl not found"; } &&

  5356.                              { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||

  5357.                                check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||

  5358.                                die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }

  5359. enabled opengl            && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||

  5360.                                check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||

  5361.                                check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||

  5362.                                check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||

  5363.                                die "ERROR: opengl not found."

  5364.                              }

  5365. enabled openssl           && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||

  5366.                                check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||

  5367.                                check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||

  5368.                                die "ERROR: openssl not found"; }

  5369. enabled qtkit_indev      && { check_header_oc QTKit/QTKit.h || disable qtkit_indev; }

  5370. 

  5371. if enabled gnutls; then

  5372.     { check_lib2 gmp.h mpz_export -lgmp && enable gmp; } ||

  5373.     { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }

  5374. fi

  5375. 

  5376. # libdc1394 check

  5377. if enabled libdc1394; then

  5378.     { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&

  5379.         enable libdc1394_2; } ||

  5380.     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&

  5381.         enable libdc1394_1; } ||

  5382.     die "ERROR: No version of libdc1394 found "

  5383. fi

  5384. if ! disabled sdl; then

  5385.     SDL_CONFIG="${cross_prefix}sdl-config"

  5386.     if check_pkg_config sdl SDL_events.h SDL_PollEvent; then

  5387.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5388.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5389.         enable sdl

  5390.     else

  5391.         if "${SDL_CONFIG}" --version > /dev/null 2>&1; then

  5392.             sdl_cflags=$("${SDL_CONFIG}" --cflags)

  5393.             sdl_libs=$("${SDL_CONFIG}" --libs)

  5394.             check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&

  5395.             check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5396.             check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5397.             enable sdl

  5398.         elif enabled sdl ; then

  5399.             die "ERROR: SDL not found"

  5400.         else

  5401.             disable sdl

  5402.         fi

  5403.     fi

  5404.     if test $target_os = "mingw32"; then

  5405.         sdl_libs="$sdl_libs -mconsole"

  5406.     fi

  5407. fi

  5408. enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs

  5409. 

  5410. disabled securetransport || { check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&

  5411.     check_lib2 "Security/SecureTransport.h Security/Security.h" "SSLCreateContext SecItemImport" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&

  5412.     enable securetransport; }

  5413. 

  5414. makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo

  5415. enabled makeinfo \

  5416.     && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \

  5417.     && enable makeinfo_html || disable makeinfo_html

  5418. disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html

  5419. perl -v            > /dev/null 2>&1 && enable perl      || disable perl

  5420. pod2man --help     > /dev/null 2>&1 && enable pod2man   || disable pod2man

  5421. rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout

  5422. 

  5423. check_header linux/fb.h

  5424. check_header linux/videodev.h

  5425. check_header linux/videodev2.h

  5426. check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5427. 

  5428. check_header sys/videoio.h

  5429. check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5430. 

  5431. check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"

  5432. # check that WM_CAP_DRIVER_CONNECT is defined to the proper value

  5433. # w32api 3.12 had it defined wrong

  5434. check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines

  5435. 

  5436. check_type "dshow.h" IBaseFilter

  5437. 

  5438. # check for ioctl_meteor.h, ioctl_bt848.h and alternatives

  5439. { check_header dev/bktr/ioctl_meteor.h &&

  5440.   check_header dev/bktr/ioctl_bt848.h; } ||

  5441. { check_header machine/ioctl_meteor.h &&

  5442.   check_header machine/ioctl_bt848.h; } ||

  5443. { check_header dev/video/meteor/ioctl_meteor.h &&

  5444.   check_header dev/video/bktr/ioctl_bt848.h; } ||

  5445. check_header dev/ic/bt8xx.h

  5446. 

  5447. check_header sndio.h

  5448. if check_struct sys/soundcard.h audio_buf_info bytes; then

  5449.     enable_safe sys/soundcard.h

  5450. else

  5451.     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h

  5452.     #include <sys/soundcard.h>

  5453.     audio_buf_info abc;

  5454. EOF

  5455. fi

  5456. check_header soundcard.h

  5457. 

  5458. enabled_any alsa_indev alsa_outdev &&

  5459.     check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound

  5460. 

  5461. enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&

  5462.     check_func jack_port_get_latency_range -ljack

  5463. 

  5464. enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio

  5465. 

  5466. if enabled libcdio; then

  5467.     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5468.     check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5469.     die "ERROR: No usable libcdio/cdparanoia found"

  5470. fi

  5471. 

  5472. enabled xlib &&

  5473.     check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib

  5474. 

  5475. if ! disabled libxcb; then

  5476.     check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {

  5477.         enabled libxcb && die "ERROR: libxcb >= 1.4 not found";

  5478.     } && disable x11grab && enable libxcb

  5479. 

  5480. if enabled libxcb; then

  5481.     disabled libxcb_shm || {

  5482.         check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {

  5483.             enabled libxcb_shm && die "ERROR: libxcb_shm not found";

  5484.         } && check_header sys/shm.h && enable libxcb_shm; }

  5485. 

  5486.     disabled libxcb_xfixes || {

  5487.         check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {

  5488.             enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";

  5489.         } && enable libxcb_xfixes; }

  5490. 

  5491.     disabled libxcb_shape || {

  5492.         check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {

  5493.             enabled libxcb_shape && die "ERROR: libxcb_shape not found";

  5494.         } && enable libxcb_shape; }

  5495. 

  5496.     add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags

  5497.     add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs

  5498. fi

  5499. fi

  5500. 

  5501. if enabled x11grab; then

  5502.     enabled xlib || die "ERROR: Xlib not found"

  5503.     require Xext X11/extensions/XShm.h XShmCreateImage -lXext

  5504.     require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes

  5505. fi

  5506. 

  5507. check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"

  5508. 

  5509. enabled dxva2api_h &&

  5510.     check_cc <<EOF && enable dxva2api_cobj

  5511. #define _WIN32_WINNT 0x0600

  5512. #define COBJMACROS

  5513. #include <windows.h>

  5514. #include <d3d9.h>

  5515. #include <dxva2api.h>

  5516. int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }

  5517. EOF

  5518. 

  5519. enabled vaapi &&

  5520.     check_lib va/va.h vaInitialize -lva ||

  5521.     disable vaapi

  5522. 

  5523. enabled vaapi && enabled xlib &&

  5524.     check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&

  5525.     enable vaapi_x11

  5526. 

  5527. enabled vdpau &&

  5528.     check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||

  5529.     disable vdpau

  5530. 

  5531. enabled vdpau && enabled xlib &&

  5532.     check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&

  5533.     prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&

  5534.     enable vdpau_x11

  5535. 

  5536. # Funny iconv installations are not unusual, so check it after all flags have been set

  5537. disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv

  5538. 

  5539. enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"

  5540. 

  5541. # add some useful compiler flags if supported

  5542. check_cflags -Wdeclaration-after-statement

  5543. check_cflags -Wall

  5544. check_cflags -Wdisabled-optimization

  5545. check_cflags -Wpointer-arith

  5546. check_cflags -Wredundant-decls

  5547. check_cflags -Wwrite-strings

  5548. check_cflags -Wtype-limits

  5549. check_cflags -Wundef

  5550. check_cflags -Wmissing-prototypes

  5551. check_cflags -Wno-pointer-to-int-cast

  5552. check_cflags -Wstrict-prototypes

  5553. check_cflags -Wempty-body

  5554. enabled extra_warnings && check_cflags -Winline

  5555. 

  5556. check_disable_warning(){

  5557.     warning_flag=-W${1#-Wno-}

  5558.     test_cflags $warning_flag && add_cflags $1

  5559. }

  5560. 

  5561. check_disable_warning -Wno-parentheses

  5562. check_disable_warning -Wno-switch

  5563. check_disable_warning -Wno-format-zero-length

  5564. check_disable_warning -Wno-pointer-sign

  5565. 

  5566. # add some linker flags

  5567. check_ldflags -Wl,--warn-common

  5568. check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample

  5569. enabled rpath && add_ldexeflags -Wl,-rpath,$libdir

  5570. enabled rpath && add_ldlibflags -Wl,-rpath,$libdir

  5571. test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic

  5572. 

  5573. # add some strip flags

  5574. # -wN '..@*' is more selective than -x, but not available everywhere.

  5575. check_stripflags -wN \'..@*\' || check_stripflags -x

  5576. 

  5577. enabled neon_clobber_test &&

  5578.     check_ldflags -Wl,--wrap,avcodec_open2              \

  5579.                   -Wl,--wrap,avcodec_decode_audio4      \

  5580.                   -Wl,--wrap,avcodec_decode_video2      \

  5581.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  5582.                   -Wl,--wrap,avcodec_encode_audio2      \

  5583.                   -Wl,--wrap,avcodec_encode_video2      \

  5584.                   -Wl,--wrap,avcodec_encode_subtitle    \

  5585.                   -Wl,--wrap,swr_convert                \

  5586.                   -Wl,--wrap,avresample_convert ||

  5587.     disable neon_clobber_test

  5588. 

  5589. enabled xmm_clobber_test &&

  5590.     check_ldflags -Wl,--wrap,avcodec_open2              \

  5591.                   -Wl,--wrap,avcodec_decode_audio4      \

  5592.                   -Wl,--wrap,avcodec_decode_video2      \

  5593.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  5594.                   -Wl,--wrap,avcodec_encode_audio2      \

  5595.                   -Wl,--wrap,avcodec_encode_video2      \

  5596.                   -Wl,--wrap,avcodec_encode_subtitle    \

  5597.                   -Wl,--wrap,swr_convert                \

  5598.                   -Wl,--wrap,avresample_convert         \

  5599.                   -Wl,--wrap,sws_scale ||

  5600.     disable xmm_clobber_test

  5601. 

  5602. echo "X{};" > $TMPV

  5603. if test_ldflags -Wl,--version-script,$TMPV; then

  5604.     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'

  5605.     check_cc <<EOF && enable symver_asm_label

  5606. void ff_foo(void) __asm__ ("av_foo@VERSION");

  5607. void ff_foo(void) { ${inline_asm+__asm__($quotes);} }

  5608. EOF

  5609.     check_cc <<EOF && enable symver_gnu_asm

  5610. __asm__(".symver ff_foo,av_foo@VERSION");

  5611. void ff_foo(void) {}

  5612. EOF

  5613. fi

  5614. 

  5615. if [ -z "$optflags" ]; then

  5616.     if enabled small; then

  5617.         optflags=$cflags_size

  5618.     elif enabled optimizations; then

  5619.         optflags=$cflags_speed

  5620.     else

  5621.         optflags=$cflags_noopt

  5622.     fi

  5623. fi

  5624. 

  5625. check_optflags(){

  5626.     check_cflags "$@"

  5627.     enabled lto && check_ldflags "$@"

  5628. }

  5629. 

  5630. 

  5631. if enabled lto; then

  5632.     test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"

  5633.     check_cflags  -flto

  5634.     check_ldflags -flto $cpuflags

  5635.     disable inline_asm_direct_symbol_refs

  5636. fi

  5637. 

  5638. check_optflags $optflags

  5639. check_optflags -fno-math-errno

  5640. check_optflags -fno-signed-zeros

  5641. 

  5642. enabled ftrapv && check_cflags -ftrapv

  5643. 

  5644. check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"

  5645. int x;

  5646. EOF

  5647. 

  5648. 

  5649. if enabled icc; then

  5650.     # Just warnings, no remarks

  5651.     check_cflags -w1

  5652.     # -wd: Disable following warnings

  5653.     # 144, 167, 556: -Wno-pointer-sign

  5654.     # 188: enumerated type mixed with another type

  5655.     # 1292: attribute "foo" ignored

  5656.     # 1419: external declaration in primary source file

  5657.     # 10006: ignoring unknown option -fno-signed-zeros

  5658.     # 10148: ignoring unknown option -Wno-parentheses

  5659.     # 10156: ignoring option '-W'; no argument required

  5660.     # 13200: No EMMS instruction before call to function

  5661.     # 13203: No EMMS instruction before return from function

  5662.     check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203

  5663.     # 11030: Warning unknown option --as-needed

  5664.     # 10156: ignoring option '-export'; no argument required

  5665.     check_ldflags -wd10156,11030

  5666.     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test

  5667.     enable ebp_available

  5668.     # The test above does not test linking

  5669.     enabled lto && disable symver_asm_label

  5670.     if enabled x86_32; then

  5671.         icc_version=$($cc -dumpversion)

  5672.         test ${icc_version%%.*} -ge 11 &&

  5673.             check_cflags -falign-stack=maintain-16-byte ||

  5674.             disable aligned_stack

  5675.     fi

  5676. elif enabled ccc; then

  5677.     # disable some annoying warnings

  5678.     add_cflags -msg_disable bitnotint

  5679.     add_cflags -msg_disable mixfuncvoid

  5680.     add_cflags -msg_disable nonstandcast

  5681.     add_cflags -msg_disable unsupieee

  5682. elif enabled gcc; then

  5683.     check_optflags -fno-tree-vectorize

  5684.     check_cflags -Werror=format-security

  5685.     check_cflags -Werror=implicit-function-declaration

  5686.     check_cflags -Werror=missing-prototypes

  5687.     check_cflags -Werror=return-type

  5688.     check_cflags -Werror=vla

  5689.     check_cflags -Wformat

  5690.     check_cflags -fdiagnostics-color=auto

  5691.     enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized

  5692. elif enabled llvm_gcc; then

  5693.     check_cflags -mllvm -stack-alignment=16

  5694. elif enabled clang; then

  5695.     check_cflags -mllvm -stack-alignment=16

  5696.     check_cflags -Qunused-arguments

  5697.     check_cflags -Werror=implicit-function-declaration

  5698.     check_cflags -Werror=missing-prototypes

  5699.     check_cflags -Werror=return-type

  5700. elif enabled cparser; then

  5701.     add_cflags -Wno-missing-variable-declarations

  5702.     add_cflags -Wno-empty-statement

  5703. elif enabled armcc; then

  5704.     add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat

  5705.     add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir

  5706.     # 2523: use of inline assembly is deprecated

  5707.     add_cflags -W${armcc_opt},--diag_suppress=2523

  5708.     add_cflags -W${armcc_opt},--diag_suppress=1207

  5709.     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition

  5710.     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat

  5711.     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign

  5712.     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign

  5713. elif enabled tms470; then

  5714.     add_cflags -pds=824 -pds=837

  5715.     disable inline_asm

  5716. elif enabled pathscale; then

  5717.     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF

  5718. elif enabled_any msvc icl; then

  5719.     enabled x86_32 && disable aligned_stack

  5720.     enabled_all x86_32 debug && add_cflags -Oy-

  5721.     enabled debug && add_ldflags -debug

  5722.     enable pragma_deprecated

  5723.     if enabled icl; then

  5724.         # -Qansi-alias is basically -fstrict-aliasing, but does not work

  5725.         # (correctly) on icl 13.x.

  5726.         check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&

  5727.             add_cflags -Qansi-alias

  5728.         # Some inline asm is not compilable in debug

  5729.         if enabled debug; then

  5730.             disable ebp_available

  5731.             disable ebx_available

  5732.         fi

  5733.     fi

  5734.     # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.

  5735.     check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2

  5736.     # The CRT headers contain __declspec(restrict) in a few places, but if redefining

  5737.     # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)

  5738.     # (as it ends up if the restrict redefine is done before including stdlib.h), while

  5739.     # MSVC 2013 and newer can handle it fine.

  5740.     # If this declspec fails, force including stdlib.h before the restrict redefinition

  5741.     # happens in config.h.

  5742.     if [ $_restrict != restrict ]; then

  5743.         check_cc <<EOF || add_cflags -FIstdlib.h

  5744. __declspec($_restrict) void* foo(int);

  5745. EOF

  5746.     fi

  5747.     check_func strtoll || add_cflags -Dstrtoll=_strtoi64

  5748. fi

  5749. 

  5750. for pfx in "" host_; do

  5751.     varname=${pfx%_}cc_type

  5752.     eval "type=\$$varname"

  5753.     if [ $type = "msvc" ]; then

  5754.         check_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline

  5755. static inline int foo(int a) { return a; }

  5756. EOF

  5757.     fi

  5758. done

  5759. 

  5760. case $as_type in

  5761.     clang)

  5762.         add_asflags -Qunused-arguments

  5763.     ;;

  5764. esac

  5765. 

  5766. case $ld_type in

  5767.     clang)

  5768.         check_ldflags -Qunused-arguments

  5769.     ;;

  5770. esac

  5771. 

  5772. case $target_os in

  5773.     osf1)

  5774.         enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'

  5775.     ;;

  5776.     plan9)

  5777.         add_cppflags -Dmain=plan9_main

  5778.     ;;

  5779. esac

  5780. 

  5781. enable frame_thread_encoder

  5782. 

  5783. enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }

  5784. 

  5785. check_deps $CONFIG_LIST       \

  5786.            $CONFIG_EXTRA      \

  5787.            $HAVE_LIST         \

  5788.            $ALL_COMPONENTS    \

  5789. 

  5790. 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"

  5791. 

  5792. 

  5793. if test $target_os = "haiku"; then

  5794.     disable memalign

  5795.     disable posix_memalign

  5796. fi

  5797. 

  5798. enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&

  5799.     prepend ffmpeg_libs $($ldflags_filter "-lole32" "-luser32") &&

  5800.     enable dxva2_lib

  5801. 

  5802. ! enabled_any memalign posix_memalign aligned_malloc &&

  5803.     enabled simd_align_16 && enable memalign_hack

  5804. 

  5805. # add_dep lib dep

  5806. # -> enable ${lib}_deps_${dep}

  5807. # -> add $dep to ${lib}_deps only once

  5808. add_dep() {

  5809.     lib=$1

  5810.     dep=$2

  5811.     enabled "${lib}_deps_${dep}" && return 0

  5812.     enable  "${lib}_deps_${dep}"

  5813.     prepend "${lib}_deps" $dep

  5814. }

  5815. 

  5816. # merge deps lib components

  5817. # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*

  5818. merge_deps() {

  5819.     lib=$1

  5820.     shift

  5821.     for comp in $*; do

  5822.         enabled $comp || continue

  5823.         eval "dep=\"\$${comp}_deps\""

  5824.         for d in $dep; do

  5825.             add_dep $lib $d

  5826.         done

  5827.     done

  5828. }

  5829. 

  5830. merge_deps libavfilter $FILTER_LIST

  5831. 

  5832. map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST

  5833. 

  5834. for thread in $THREADS_LIST; do

  5835.     if enabled $thread; then

  5836.         test -n "$thread_type" &&

  5837.             die "ERROR: Only one thread type must be selected." ||

  5838.             thread_type="$thread"

  5839.     fi

  5840. done

  5841. 

  5842. enabled zlib && add_cppflags -DZLIB_CONST

  5843. 

  5844. # conditional library dependencies, in linking order

  5845. enabled amovie_filter       && prepend avfilter_deps "avformat avcodec"

  5846. enabled aresample_filter    && prepend avfilter_deps "swresample"

  5847. enabled asyncts_filter      && prepend avfilter_deps "avresample"

  5848. enabled atempo_filter       && prepend avfilter_deps "avcodec"

  5849. enabled cover_rect_filter   && prepend avfilter_deps "avformat avcodec"

  5850. enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"

  5851. enabled elbg_filter         && prepend avfilter_deps "avcodec"

  5852. enabled fftfilt_filter      && prepend avfilter_deps "avcodec"

  5853. enabled find_rect_filter    && prepend avfilter_deps "avformat avcodec"

  5854. enabled mcdeint_filter      && prepend avfilter_deps "avcodec"

  5855. enabled movie_filter    && prepend avfilter_deps "avformat avcodec"

  5856. enabled pan_filter          && prepend avfilter_deps "swresample"

  5857. enabled pp_filter           && prepend avfilter_deps "postproc"

  5858. enabled removelogo_filter   && prepend avfilter_deps "avformat avcodec swscale"

  5859. enabled resample_filter && prepend avfilter_deps "avresample"

  5860. enabled sab_filter          && prepend avfilter_deps "swscale"

  5861. enabled scale_filter    && prepend avfilter_deps "swscale"

  5862. enabled scale2ref_filter    && prepend avfilter_deps "swscale"

  5863. enabled showspectrum_filter && prepend avfilter_deps "avcodec"

  5864. enabled smartblur_filter    && prepend avfilter_deps "swscale"

  5865. enabled subtitles_filter    && prepend avfilter_deps "avformat avcodec"

  5866. enabled uspp_filter         && prepend avfilter_deps "avcodec"

  5867. 

  5868. enabled lavfi_indev         && prepend avdevice_deps "avfilter"

  5869. 

  5870. enabled opus_decoder    && prepend avcodec_deps "swresample"

  5871. 

  5872. expand_deps(){

  5873.     lib_deps=${1}_deps

  5874.     eval "deps=\$$lib_deps"

  5875.     append $lib_deps $(map 'eval echo \$${v}_deps' $deps)

  5876.     unique $lib_deps

  5877. }

  5878. 

  5879. #we have to remove gpl from the deps here as some code assumes all lib deps are libs

  5880. postproc_deps="$(filter_out 'gpl' $postproc_deps)"

  5881. 

  5882. map 'expand_deps $v' $LIBRARY_LIST

  5883. 

  5884. echo "install prefix            $prefix"

  5885. echo "source path               $source_path"

  5886. echo "C compiler                $cc"

  5887. echo "C library                 $libc_type"

  5888. if test "$host_cc" != "$cc"; then

  5889.     echo "host C compiler           $host_cc"

  5890.     echo "host C library            $host_libc_type"

  5891. fi

  5892. echo "ARCH                      $arch ($cpu)"

  5893. if test "$build_suffix" != ""; then

  5894.     echo "build suffix              $build_suffix"

  5895. fi

  5896. if test "$progs_suffix" != ""; then

  5897.     echo "progs suffix              $progs_suffix"

  5898. fi

  5899. if test "$extra_version" != ""; then

  5900.     echo "version string suffix     $extra_version"

  5901. fi

  5902. echo "big-endian                ${bigendian-no}"

  5903. echo "runtime cpu detection     ${runtime_cpudetect-no}"

  5904. if enabled x86; then

  5905.     echo "${yasmexe}                      ${yasm-no}"

  5906.     echo "MMX enabled               ${mmx-no}"

  5907.     echo "MMXEXT enabled            ${mmxext-no}"

  5908.     echo "3DNow! enabled            ${amd3dnow-no}"

  5909.     echo "3DNow! extended enabled   ${amd3dnowext-no}"

  5910.     echo "SSE enabled               ${sse-no}"

  5911.     echo "SSSE3 enabled             ${ssse3-no}"

  5912.     echo "AVX enabled               ${avx-no}"

  5913.     echo "XOP enabled               ${xop-no}"

  5914.     echo "FMA3 enabled              ${fma3-no}"

  5915.     echo "FMA4 enabled              ${fma4-no}"

  5916.     echo "i686 features enabled     ${i686-no}"

  5917.     echo "CMOV is fast              ${fast_cmov-no}"

  5918.     echo "EBX available             ${ebx_available-no}"

  5919.     echo "EBP available             ${ebp_available-no}"

  5920. fi

  5921. if enabled aarch64; then

  5922.     echo "NEON enabled              ${neon-no}"

  5923.     echo "VFP enabled               ${vfp-no}"

  5924. fi

  5925. if enabled arm; then

  5926.     echo "ARMv5TE enabled           ${armv5te-no}"

  5927.     echo "ARMv6 enabled             ${armv6-no}"

  5928.     echo "ARMv6T2 enabled           ${armv6t2-no}"

  5929.     echo "VFP enabled               ${vfp-no}"

  5930.     echo "NEON enabled              ${neon-no}"

  5931.     echo "THUMB enabled             ${thumb-no}"

  5932. fi

  5933. if enabled mips; then

  5934.     echo "MIPS FPU enabled          ${mipsfpu-no}"

  5935.     echo "MIPS32R5 enabled          ${mips32r5-no}"

  5936.     echo "MIPS64R6 enabled          ${mips64r6-no}"

  5937.     echo "MIPS DSP R1 enabled       ${mipsdspr1-no}"

  5938.     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"

  5939.     echo "MIPS MSA enabled          ${msa-no}"

  5940.     echo "LOONGSON MMI enabled      ${mmi-no}"

  5941. fi

  5942. if enabled ppc; then

  5943.     echo "AltiVec enabled           ${altivec-no}"

  5944.     echo "VSX enabled               ${vsx-no}"

  5945.     echo "POWER8 enabled            ${power8-no}"

  5946.     echo "PPC 4xx optimizations     ${ppc4xx-no}"

  5947.     echo "dcbzl available           ${dcbzl-no}"

  5948. fi

  5949. echo "debug symbols             ${debug-no}"

  5950. echo "strip symbols             ${stripping-no}"

  5951. echo "optimize for size         ${small-no}"

  5952. echo "optimizations             ${optimizations-no}"

  5953. echo "static                    ${static-no}"

  5954. echo "shared                    ${shared-no}"

  5955. echo "postprocessing support    ${postproc-no}"

  5956. echo "new filter support        ${avfilter-no}"

  5957. echo "network support           ${network-no}"

  5958. echo "threading support         ${thread_type-no}"

  5959. echo "safe bitstream reader     ${safe_bitstream_reader-no}"

  5960. echo "SDL support               ${sdl-no}"

  5961. echo "opencl enabled            ${opencl-no}"

  5962. echo "texi2html enabled         ${texi2html-no}"

  5963. echo "perl enabled              ${perl-no}"

  5964. echo "pod2man enabled           ${pod2man-no}"

  5965. echo "makeinfo enabled          ${makeinfo-no}"

  5966. echo "makeinfo supports HTML    ${makeinfo_html-no}"

  5967. test -n "$random_seed" &&

  5968.     echo "random seed               ${random_seed}"

  5969. echo

  5970. 

  5971. echo "Enabled programs:"

  5972. print_enabled '' $PROGRAM_LIST | print_3_columns

  5973. echo

  5974. 

  5975. echo "External libraries:"

  5976. print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns

  5977. echo

  5978. 

  5979. for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do

  5980.     echo "Enabled ${type}s:"

  5981.     eval list=\$$(toupper $type)_LIST

  5982.     print_enabled '_*' $list | print_3_columns

  5983.     echo

  5984. done

  5985. 

  5986. license="LGPL version 2.1 or later"

  5987. if enabled nonfree; then

  5988.     license="nonfree and unredistributable"

  5989. elif enabled gplv3; then

  5990.     license="GPL version 3 or later"

  5991. elif enabled lgplv3; then

  5992.     license="LGPL version 3 or later"

  5993. elif enabled gpl; then

  5994.     license="GPL version 2 or later"

  5995. fi

  5996. 

  5997. echo "License: $license"

  5998. 

  5999. echo "Creating config.mak, config.h, and doc/config.texi..."

  6000. 

  6001. test -e Makefile || echo "include $source_path/Makefile" > Makefile

  6002. 

  6003. enabled stripping || strip="echo skipping strip"

  6004. 

  6005. config_files="$TMPH config.mak doc/config.texi"

  6006. 

  6007. cat > config.mak <<EOF

  6008. # Automatically generated by configure - do not modify!

  6009. ifndef FFMPEG_CONFIG_MAK

  6010. FFMPEG_CONFIG_MAK=1

  6011. FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION

  6012. prefix=$prefix

  6013. LIBDIR=\$(DESTDIR)$libdir

  6014. SHLIBDIR=\$(DESTDIR)$shlibdir

  6015. INCDIR=\$(DESTDIR)$incdir

  6016. BINDIR=\$(DESTDIR)$bindir

  6017. DATADIR=\$(DESTDIR)$datadir

  6018. DOCDIR=\$(DESTDIR)$docdir

  6019. MANDIR=\$(DESTDIR)$mandir

  6020. PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir

  6021. SRC_PATH=$source_path

  6022. ifndef MAIN_MAKEFILE

  6023. SRC_PATH:=\$(SRC_PATH:.%=..%)

  6024. endif

  6025. CC_IDENT=$cc_ident

  6026. ARCH=$arch

  6027. INTRINSICS=$intrinsics

  6028. CC=$cc

  6029. CXX=$cxx

  6030. AS=$as

  6031. LD=$ld

  6032. DEPCC=$dep_cc

  6033. DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)

  6034. DEPAS=$as

  6035. DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)

  6036. YASM=$yasmexe

  6037. DEPYASM=$yasmexe

  6038. AR=$ar

  6039. ARFLAGS=$arflags

  6040. AR_O=$ar_o

  6041. RANLIB=$ranlib

  6042. STRIP=$strip

  6043. CP=cp -p

  6044. LN_S=$ln_s

  6045. CPPFLAGS=$CPPFLAGS

  6046. CFLAGS=$CFLAGS

  6047. CXXFLAGS=$CXXFLAGS

  6048. ASFLAGS=$ASFLAGS

  6049. AS_C=$AS_C

  6050. AS_O=$AS_O

  6051. CC_C=$CC_C

  6052. CC_E=$CC_E

  6053. CC_O=$CC_O

  6054. CXX_C=$CXX_C

  6055. CXX_O=$CXX_O

  6056. LD_O=$LD_O

  6057. LD_LIB=$LD_LIB

  6058. LD_PATH=$LD_PATH

  6059. DLLTOOL=$dlltool

  6060. WINDRES=$windres

  6061. DEPWINDRES=$dep_cc

  6062. DOXYGEN=$doxygen

  6063. LDFLAGS=$LDFLAGS

  6064. LDEXEFLAGS=$LDEXEFLAGS

  6065. LDLIBFLAGS=$LDLIBFLAGS

  6066. SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))

  6067. ASMSTRIPFLAGS=$ASMSTRIPFLAGS

  6068. YASMFLAGS=$YASMFLAGS

  6069. BUILDSUF=$build_suffix

  6070. PROGSSUF=$progs_suffix

  6071. FULLNAME=$FULLNAME

  6072. LIBPREF=$LIBPREF

  6073. LIBSUF=$LIBSUF

  6074. LIBNAME=$LIBNAME

  6075. SLIBPREF=$SLIBPREF

  6076. SLIBSUF=$SLIBSUF

  6077. EXESUF=$EXESUF

  6078. EXTRA_VERSION=$extra_version

  6079. CCDEP=$CCDEP

  6080. CXXDEP=$CXXDEP

  6081. CCDEP_FLAGS=$CCDEP_FLAGS

  6082. ASDEP=$ASDEP

  6083. ASDEP_FLAGS=$ASDEP_FLAGS

  6084. CC_DEPFLAGS=$CC_DEPFLAGS

  6085. AS_DEPFLAGS=$AS_DEPFLAGS

  6086. HOSTCC=$host_cc

  6087. HOSTLD=$host_ld

  6088. HOSTCFLAGS=$host_cflags

  6089. HOSTCPPFLAGS=$host_cppflags

  6090. HOSTEXESUF=$HOSTEXESUF

  6091. HOSTLDFLAGS=$host_ldflags

  6092. HOSTLIBS=$host_libs

  6093. DEPHOSTCC=$host_cc

  6094. DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)

  6095. HOSTCCDEP=$HOSTCCDEP

  6096. HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS

  6097. HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS

  6098. HOSTCC_C=$HOSTCC_C

  6099. HOSTCC_O=$HOSTCC_O

  6100. HOSTLD_O=$HOSTLD_O

  6101. TARGET_EXEC=$target_exec $target_exec_args

  6102. TARGET_PATH=$target_path

  6103. TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}

  6104. CFLAGS-ffplay=$sdl_cflags

  6105. ZLIB=$($ldflags_filter -lz)

  6106. LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD

  6107. EXTRALIBS=$extralibs

  6108. COMPAT_OBJS=$compat_objs

  6109. EXEOBJS=$exeobjs

  6110. INSTALL=$install

  6111. LIBTARGET=${LIBTARGET}

  6112. SLIBNAME=${SLIBNAME}

  6113. SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}

  6114. SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}

  6115. SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}

  6116. SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}

  6117. SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}

  6118. SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}

  6119. SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}

  6120. SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}

  6121. SAMPLES:=${samples:-\$(FATE_SAMPLES)}

  6122. NOREDZONE_FLAGS=$noredzone_flags

  6123. EOF

  6124. 

  6125. get_version(){

  6126.     lcname=lib${1}

  6127.     name=$(toupper $lcname)

  6128.     file=$source_path/$lcname/version.h

  6129.     eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")

  6130.     enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))

  6131.     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO

  6132.     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak

  6133.     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak

  6134.     eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak

  6135. }

  6136. 

  6137. map 'get_version $v' $LIBRARY_LIST

  6138. 

  6139. map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST

  6140. 

  6141. print_program_libs(){

  6142.     eval "program_libs=\$${1}_libs"

  6143.     eval echo "LIBS-${1}=${program_libs}" >> config.mak

  6144. }

  6145. 

  6146. map 'print_program_libs $v' $PROGRAM_LIST

  6147. 

  6148. cat > $TMPH <<EOF

  6149. /* Automatically generated by configure - do not modify! */

  6150. #ifndef FFMPEG_CONFIG_H

  6151. #define FFMPEG_CONFIG_H

  6152. #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"

  6153. #define FFMPEG_LICENSE "$(c_escape $license)"

  6154. #define CONFIG_THIS_YEAR 2015

  6155. #define FFMPEG_DATADIR "$(eval c_escape $datadir)"

  6156. #define AVCONV_DATADIR "$(eval c_escape $datadir)"

  6157. #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"

  6158. #define av_restrict $_restrict

  6159. #define EXTERN_PREFIX "${extern_prefix}"

  6160. #define EXTERN_ASM ${extern_prefix}

  6161. #define BUILDSUF "$build_suffix"

  6162. #define SLIBSUF "$SLIBSUF"

  6163. #define HAVE_MMX2 HAVE_MMXEXT

  6164. #define SWS_MAX_FILTER_SIZE $sws_max_filter_size

  6165. EOF

  6166. 

  6167. test -n "$assert_level" &&

  6168.     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH

  6169. 

  6170. test -n "$malloc_prefix" &&

  6171.     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH

  6172. 

  6173. if enabled yasm; then

  6174.     append config_files $TMPASM

  6175.     printf '' >$TMPASM

  6176. fi

  6177. 

  6178. enabled getenv || echo "#define getenv(x) NULL" >> $TMPH

  6179. 

  6180. 

  6181. mkdir -p doc

  6182. mkdir -p tests

  6183. mkdir -p tests/api

  6184. echo "@c auto-generated by configure" > doc/config.texi

  6185. 

  6186. print_config ARCH_   "$config_files" $ARCH_LIST

  6187. print_config HAVE_   "$config_files" $HAVE_LIST

  6188. print_config CONFIG_ "$config_files" $CONFIG_LIST       \

  6189.                                      $CONFIG_EXTRA      \

  6190.                                      $ALL_COMPONENTS    \

  6191. 

  6192. echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH

  6193. echo "endif # FFMPEG_CONFIG_MAK" >> config.mak

  6194. 

  6195. # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.

  6196. cp_if_changed $TMPH config.h

  6197. touch .config

  6198. 

  6199. enabled yasm && cp_if_changed $TMPASM config.asm

  6200. 

  6201. cat > $TMPH <<EOF

  6202. /* Generated by ffconf */

  6203. #ifndef AVUTIL_AVCONFIG_H

  6204. #define AVUTIL_AVCONFIG_H

  6205. EOF

  6206. 

  6207. print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB

  6208. 

  6209. echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH

  6210. 

  6211. cp_if_changed $TMPH libavutil/avconfig.h

  6212. 

  6213. if test -n "$WARNINGS"; then

  6214.     printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"

  6215.     enabled fatal_warnings && exit 1

  6216. fi

  6217. 

  6218. # build pkg-config files

  6219. 

  6220. lib_version(){

  6221.     eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""

  6222. }

  6223. 

  6224. pkgconfig_generate(){

  6225.     name=$1

  6226.     shortname=${name#lib}${build_suffix}

  6227.     comment=$2

  6228.     version=$3

  6229.     libs=$4

  6230.     requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))

  6231.     requires=${requires%, }

  6232.     enabled ${name#lib} || return 0

  6233.     mkdir -p $name

  6234.     cat <<EOF > $name/$name${build_suffix}.pc

  6235. prefix=$prefix

  6236. exec_prefix=\${prefix}

  6237. libdir=$libdir

  6238. includedir=$incdir

  6239. 

  6240. Name: $name

  6241. Description: $comment

  6242. Version: $version

  6243. Requires: $(enabled shared || echo $requires)

  6244. Requires.private: $(enabled shared && echo $requires)

  6245. Conflicts:

  6246. Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)

  6247. Libs.private: $(enabled shared && echo $libs)

  6248. Cflags: -I\${includedir}

  6249. EOF

  6250. 

  6251. mkdir -p doc/examples/pc-uninstalled

  6252. includedir=${source_path}

  6253. [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."

  6254.     cat <<EOF > doc/examples/pc-uninstalled/$name.pc

  6255. prefix=

  6256. exec_prefix=

  6257. libdir=\${pcfiledir}/../../../$name

  6258. includedir=${includedir}

  6259. 

  6260. Name: $name

  6261. Description: $comment

  6262. Version: $version

  6263. Requires: $requires

  6264. Conflicts:

  6265. Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)

  6266. Cflags: -I\${includedir}

  6267. EOF

  6268. }

  6269. 

  6270. pkgconfig_generate libavutil     "FFmpeg utility library"               "$LIBAVUTIL_VERSION"     "$LIBRT $LIBM"

  6271. pkgconfig_generate libavcodec    "FFmpeg codec library"                 "$LIBAVCODEC_VERSION"    "$extralibs"

  6272. pkgconfig_generate libavformat   "FFmpeg container format library"      "$LIBAVFORMAT_VERSION"   "$extralibs"

  6273. pkgconfig_generate libavdevice   "FFmpeg device handling library"       "$LIBAVDEVICE_VERSION"   "$extralibs"

  6274. pkgconfig_generate libavfilter   "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION"   "$extralibs"

  6275. pkgconfig_generate libpostproc   "FFmpeg postprocessing library"        "$LIBPOSTPROC_VERSION"   ""

  6276. pkgconfig_generate libavresample "Libav audio resampling library"       "$LIBAVRESAMPLE_VERSION" "$LIBM"

  6277. pkgconfig_generate libswscale    "FFmpeg image rescaling library"       "$LIBSWSCALE_VERSION"    "$LIBM"

  6278. pkgconfig_generate libswresample "FFmpeg audio resampling library"      "$LIBSWRESAMPLE_VERSION" "$LIBM $LIBSOXR"