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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. 

  159. Individual component options:

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

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

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

  163.   --disable-encoders       disable all encoders

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

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

  166.   --disable-decoders       disable all decoders

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

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

  169.   --disable-hwaccels       disable all hwaccels

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

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

  172.   --disable-muxers         disable all muxers

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

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

  175.   --disable-demuxers       disable all demuxers

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

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

  178.   --disable-parsers        disable all parsers

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

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

  181.   --disable-bsfs           disable all bitstream filters

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

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

  184.   --disable-protocols      disable all protocols

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

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

  187.   --disable-indevs         disable input devices

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

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

  190.   --disable-outdevs        disable output devices

  191.   --disable-devices        disable all devices

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

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

  194.   --disable-filters        disable all filters

  195. 

  196. External library support:

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

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

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

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

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

  202.                            if openssl is not used [no]

  203.   --disable-iconv          disable iconv [autodetect]

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

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

  206.   --enable-libass          enable libass subtitles rendering,

  207.                            needed for subtitles and ass filter [no]

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

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

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

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

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

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

  214.                            and libraw1394 [no]

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

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

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

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

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

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

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

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

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

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

  225.   --enable-libmfx          enable HW acceleration through libmfx

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

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

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

  229.                            native (de)muxer exists [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  255.                            native implementation exists [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  270.   --disable-lzma           disable lzma [autodetect]

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

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

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

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

  275.   --enable-opencl          enable OpenCL code

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

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

  278.                            if gnutls is not used [no]

  279.   --disable-sdl            disable sdl [autodetect]

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

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

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

  283.   --disable-xlib           disable xlib [autodetect]

  284.   --disable-zlib           disable zlib [autodetect]

  285. 

  286. Toolchain options:

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

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

  289.                            instruction selection, may crash on older CPUs)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  333. 

  334. Advanced options (experts only):

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

  336.   --disable-symver         disable symbol versioning

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

  338.   --disable-safe-bitstream-reader

  339.                            disable buffer boundary checking in bitreaders

  340.                            (faster, but may crash)

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

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

  343. 

  344. Optimization options (experts only):

  345.   --disable-asm            disable all assembly optimizations

  346.   --disable-altivec        disable AltiVec optimizations

  347.   --disable-vsx            disable VSX optimizations

  348.   --disable-power8         disable POWER8 optimizations

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

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

  351.   --disable-mmx            disable MMX optimizations

  352.   --disable-mmxext         disable MMXEXT optimizations

  353.   --disable-sse            disable SSE optimizations

  354.   --disable-sse2           disable SSE2 optimizations

  355.   --disable-sse3           disable SSE3 optimizations

  356.   --disable-ssse3          disable SSSE3 optimizations

  357.   --disable-sse4           disable SSE4 optimizations

  358.   --disable-sse42          disable SSE4.2 optimizations

  359.   --disable-avx            disable AVX optimizations

  360.   --disable-xop            disable XOP optimizations

  361.   --disable-fma3           disable FMA3 optimizations

  362.   --disable-fma4           disable FMA4 optimizations

  363.   --disable-avx2           disable AVX2 optimizations

  364.   --disable-armv5te        disable armv5te optimizations

  365.   --disable-armv6          disable armv6 optimizations

  366.   --disable-armv6t2        disable armv6t2 optimizations

  367.   --disable-vfp            disable VFP optimizations

  368.   --disable-neon           disable NEON optimizations

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

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

  371.   --disable-mips32r5       disable MIPS32R5 optimizations

  372.   --disable-mips64r6       disable MIPS64R6 optimizations

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

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

  375.   --disable-msa            disable MSA optimizations

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

  377.   --disable-loongson3      disable Loongson-3 SIMD optimizations

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

  379. 

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

  381.   --disable-debug          disable debugging symbols

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

  383.   --disable-optimizations  disable compiler optimizations

  384.   --enable-extra-warnings  enable more compiler warnings

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

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

  387.                            2 causes a slowdown at runtime.

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

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

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

  391.                            Cannot be combined with --target-exec

  392.   --enable-ftrapv          Trap arithmetic overflows

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

  394.                            \$FATE_SAMPLES at make invocation time.

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

  396.                            used only for debugging purposes)

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

  398.                            should be used only for debugging purposes)

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

  400.   --disable-random

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

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

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

  404.                            (group) and PROB the probability associated with

  405.                            NAME (default 0.5).

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

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

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

  409. 

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

  411. EOF

  412.   exit 0

  413. }

  414. 

  415. quotes='""'

  416. 

  417. log(){

  418.     echo "$@" >> $logfile

  419. }

  420. 

  421. log_file(){

  422.     log BEGIN $1

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

  424.     log END $1

  425. }

  426. 

  427. echolog(){

  428.     log "$@"

  429.     echo "$@"

  430. }

  431. 

  432. warn(){

  433.     log "WARNING: $*"

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

  435. }

  436. 

  437. die(){

  438.     echolog "$@"

  439.     cat <<EOF

  440. 

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

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

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

  444. EOF

  445.     if disabled logging; then

  446.         cat <<EOF

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

  448. include the log this produces with your report.

  449. EOF

  450.     else

  451.         cat <<EOF

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

  453. solve the problem.

  454. EOF

  455.     fi

  456.     exit 1

  457. }

  458. 

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

  460. toupper(){

  461.     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ

  462. }

  463. 

  464. tolower(){

  465.     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz

  466. }

  467. 

  468. c_escape(){

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

  470. }

  471. 

  472. sh_quote(){

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

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

  475.     echo "$v"

  476. }

  477. 

  478. cleanws(){

  479.     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//;s/\\r//g'

  480. }

  481. 

  482. filter(){

  483.     pat=$1

  484.     shift

  485.     for v; do

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

  487.     done

  488. }

  489. 

  490. filter_out(){

  491.     pat=$1

  492.     shift

  493.     for v; do

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

  495.     done

  496. }

  497. 

  498. map(){

  499.     m=$1

  500.     shift

  501.     for v; do eval $m; done

  502. }

  503. 

  504. add_suffix(){

  505.     suffix=$1

  506.     shift

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

  508. }

  509. 

  510. set_all(){

  511.     value=$1

  512.     shift

  513.     for var in $*; do

  514.         eval $var=$value

  515.     done

  516. }

  517. 

  518. set_weak(){

  519.     value=$1

  520.     shift

  521.     for var; do

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

  523.     done

  524. }

  525. 

  526. sanitize_var_name(){

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

  528. }

  529. 

  530. set_safe(){

  531.     var=$1

  532.     shift

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

  534. }

  535. 

  536. get_safe(){

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

  538. }

  539. 

  540. pushvar(){

  541.     for pvar in $*; do

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

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

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

  545.     done

  546. }

  547. 

  548. popvar(){

  549.     for pvar in $*; do

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

  551.         test $level = 0 && continue

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

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

  554.         eval ${pvar}_level=$level

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

  556.     done

  557. }

  558. 

  559. enable(){

  560.     set_all yes $*

  561. }

  562. 

  563. disable(){

  564.     set_all no $*

  565. }

  566. 

  567. enable_weak(){

  568.     set_weak yes $*

  569. }

  570. 

  571. disable_weak(){

  572.     set_weak no $*

  573. }

  574. 

  575. enable_safe(){

  576.     for var; do

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

  578.     done

  579. }

  580. 

  581. disable_safe(){

  582.     for var; do

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

  584.     done

  585. }

  586. 

  587. do_enable_deep(){

  588.     for var; do

  589.         enabled $var && continue

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

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

  592.         pushvar var sgs

  593.         enable_deep $sel

  594.         popvar sgs

  595.         enable_deep_weak $sgs

  596.         popvar var

  597.     done

  598. }

  599. 

  600. enable_deep(){

  601.     do_enable_deep $*

  602.     enable $*

  603. }

  604. 

  605. enable_deep_weak(){

  606.     for var; do

  607.         disabled $var && continue

  608.         pushvar var

  609.         do_enable_deep $var

  610.         popvar var

  611.         enable_weak $var

  612.     done

  613. }

  614. 

  615. enabled(){

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

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

  618. }

  619. 

  620. disabled(){

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

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

  623. }

  624. 

  625. enabled_all(){

  626.     for opt; do

  627.         enabled $opt || return 1

  628.     done

  629. }

  630. 

  631. disabled_all(){

  632.     for opt; do

  633.         disabled $opt || return 1

  634.     done

  635. }

  636. 

  637. enabled_any(){

  638.     for opt; do

  639.         enabled $opt && return 0

  640.     done

  641. }

  642. 

  643. disabled_any(){

  644.     for opt; do

  645.         disabled $opt && return 0

  646.     done

  647.     return 1

  648. }

  649. 

  650. set_default(){

  651.     for opt; do

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

  653.     done

  654. }

  655. 

  656. is_in(){

  657.     value=$1

  658.     shift

  659.     for var in $*; do

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

  661.     done

  662.     return 1

  663. }

  664. 

  665. do_check_deps(){

  666.     for cfg; do

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

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

  669.         disabled ${cfg}_checking && continue

  670.         enable ${cfg}_checking

  671.         append allopts $cfg

  672. 

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

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

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

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

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

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

  679. 

  680.         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

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

  682.         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

  683. 

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

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

  686.         enabled_all  $dep_all || disable $cfg

  687.         enabled_any  $dep_any || disable $cfg

  688.         disabled_any $dep_sel && disable $cfg

  689. 

  690.         if enabled $cfg; then

  691.             enable_deep $dep_sel

  692.             enable_deep_weak $dep_sgs

  693.         fi

  694. 

  695.         disable ${cfg}_checking

  696.     done

  697. }

  698. 

  699. check_deps(){

  700.     unset allopts

  701. 

  702.     do_check_deps "$@"

  703. 

  704.     for cfg in $allopts; do

  705.         enabled $cfg || continue

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

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

  708.     done

  709. }

  710. 

  711. print_config(){

  712.     pfx=$1

  713.     files=$2

  714.     shift 2

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

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

  717.         {

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

  719.             v = \$2;

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

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

  722.             for (f in files) {

  723.                 file = files[f];

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

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

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

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

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

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

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

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

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

  733.                     yesno = \$2;

  734.                     c2 = tolower(c);

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

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

  737.                 }

  738.             }

  739.         }"

  740. }

  741. 

  742. print_enabled(){

  743.     suf=$1

  744.     shift

  745.     for v; do

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

  747.     done

  748. }

  749. 

  750. append(){

  751.     var=$1

  752.     shift

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

  754. }

  755. 

  756. prepend(){

  757.     var=$1

  758.     shift

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

  760. }

  761. 

  762. unique(){

  763.     var=$1

  764.     uniq_list=""

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

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

  767.     done

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

  769. }

  770. 

  771. add_cppflags(){

  772.     append CPPFLAGS "$@"

  773. }

  774. 

  775. add_cflags(){

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

  777. }

  778. 

  779. add_cxxflags(){

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

  781. }

  782. 

  783. add_asflags(){

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

  785. }

  786. 

  787. add_ldflags(){

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

  789. }

  790. 

  791. add_ldexeflags(){

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

  793. }

  794. 

  795. add_stripflags(){

  796.     append ASMSTRIPFLAGS "$@"

  797. }

  798. 

  799. add_extralibs(){

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

  801. }

  802. 

  803. add_host_cppflags(){

  804.     append host_cppflags "$@"

  805. }

  806. 

  807. add_host_cflags(){

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

  809. }

  810. 

  811. add_host_ldflags(){

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

  813. }

  814. 

  815. add_compat(){

  816.     append compat_objs $1

  817.     shift

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

  819. }

  820. 

  821. check_cmd(){

  822.     log "$@"

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

  824. }

  825. 

  826. check_stat(){

  827.     log check_stat "$@"

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

  829. }

  830. 

  831. cc_o(){

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

  833. }

  834. 

  835. cc_e(){

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

  837. }

  838. 

  839. check_cc(){

  840.     log check_cc "$@"

  841.     cat > $TMPC

  842.     log_file $TMPC

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

  844. }

  845. 

  846. check_cxx(){

  847.     log check_cxx "$@"

  848.     cat > $TMPCPP

  849.     log_file $TMPCPP

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

  851. }

  852. 

  853. check_oc(){

  854.     log check_oc "$@"

  855.     cat > $TMPM

  856.     log_file $TMPM

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

  858. }

  859. 

  860. check_cpp(){

  861.     log check_cpp "$@"

  862.     cat > $TMPC

  863.     log_file $TMPC

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

  865. }

  866. 

  867. as_o(){

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

  869. }

  870. 

  871. check_as(){

  872.     log check_as "$@"

  873.     cat > $TMPS

  874.     log_file $TMPS

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

  876. }

  877. 

  878. check_inline_asm(){

  879.     log check_inline_asm "$@"

  880.     name="$1"

  881.     code="$2"

  882.     shift 2

  883.     disable $name

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

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

  886. EOF

  887. }

  888. 

  889. check_insn(){

  890.     log check_insn "$@"

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

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

  893. }

  894. 

  895. check_yasm(){

  896.     log check_yasm "$@"

  897.     echo "$1" > $TMPS

  898.     log_file $TMPS

  899.     shift 1

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

  901. }

  902. 

  903. ld_o(){

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

  905. }

  906. 

  907. check_ld(){

  908.     log check_ld "$@"

  909.     type=$1

  910.     shift 1

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

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

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

  914.     flags=$($ldflags_filter $flags)

  915.     libs=$($ldflags_filter $libs)

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

  917. }

  918. 

  919. print_include(){

  920.     hdr=$1

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

  922.         echo "#include $hdr"    ||

  923.         echo "#include <$hdr>"

  924. }

  925. 

  926. check_code(){

  927.     log check_code "$@"

  928.     check=$1

  929.     headers=$2

  930.     code=$3

  931.     shift 3

  932.     {

  933.         for hdr in $headers; do

  934.             print_include $hdr

  935.         done

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

  937.     } | check_$check "$@"

  938. }

  939. 

  940. check_cppflags(){

  941.     log check_cppflags "$@"

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

  943. int x;

  944. EOF

  945. }

  946. 

  947. test_cflags(){

  948.     log test_cflags "$@"

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

  950.     check_cc "$@" <<EOF

  951. int x;

  952. EOF

  953. }

  954. 

  955. check_cflags(){

  956.     log check_cflags "$@"

  957.     test_cflags "$@" && add_cflags "$@"

  958. }

  959. 

  960. check_cxxflags(){

  961.     log check_cxxflags "$@"

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

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

  964. int x;

  965. EOF

  966. }

  967. 

  968. test_ldflags(){

  969.     log test_ldflags "$@"

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

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

  972. EOF

  973. }

  974. 

  975. check_ldflags(){

  976.     log check_ldflags "$@"

  977.     test_ldflags "$@" && add_ldflags "$@"

  978. }

  979. 

  980. test_stripflags(){

  981.     log test_stripflags "$@"

  982.     # call check_cc to get a fresh TMPO

  983.     check_cc <<EOF

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

  985. EOF

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

  987. }

  988. 

  989. check_stripflags(){

  990.     log check_stripflags "$@"

  991.     test_stripflags "$@" && add_stripflags "$@"

  992. }

  993. 

  994. check_header(){

  995.     log check_header "$@"

  996.     header=$1

  997.     shift

  998.     disable_safe $header

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

  1000. #include <$header>

  1001. int x;

  1002. EOF

  1003. }

  1004. 

  1005. check_header_oc(){

  1006.     log check_header_oc "$@"

  1007.     rm -f -- "$TMPO"

  1008.     header=$1

  1009.     shift

  1010.     disable_safe $header

  1011.     {

  1012.        echo "#include <$header>"

  1013.        echo "int main(void) { return 0; }"

  1014.     } | check_oc && check_stat "$TMPO" && enable_safe $headers

  1015. }

  1016. 

  1017. check_func(){

  1018.     log check_func "$@"

  1019.     func=$1

  1020.     shift

  1021.     disable $func

  1022.     check_ld "cc" "$@" <<EOF && enable $func

  1023. extern int $func();

  1024. int main(void){ $func(); }

  1025. EOF

  1026. }

  1027. 

  1028. check_mathfunc(){

  1029.     log check_mathfunc "$@"

  1030.     func=$1

  1031.     narg=$2

  1032.     shift 2

  1033.     test $narg = 2 && args="f, g" || args="f"

  1034.     disable $func

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

  1036. #include <math.h>

  1037. float foo(float f, float g) { return $func($args); }

  1038. int main(void){ return (int) foo; }

  1039. EOF

  1040. }

  1041. 

  1042. check_func_headers(){

  1043.     log check_func_headers "$@"

  1044.     headers=$1

  1045.     funcs=$2

  1046.     shift 2

  1047.     {

  1048.         for hdr in $headers; do

  1049.             print_include $hdr

  1050.         done

  1051.         for func in $funcs; do

  1052.             echo "long check_$func(void) { return (long) $func; }"

  1053.         done

  1054.         echo "int main(void) { return 0; }"

  1055.     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers

  1056. }

  1057. 

  1058. check_class_headers_cpp(){

  1059.     log check_class_headers_cpp "$@"

  1060.     headers=$1

  1061.     classes=$2

  1062.     shift 2

  1063.     {

  1064.         for hdr in $headers; do

  1065.             echo "#include <$hdr>"

  1066.         done

  1067.         echo "int main(void) { "

  1068.         i=1

  1069.         for class in $classes; do

  1070.             echo "$class obj$i;"

  1071.             i=$(expr $i + 1)

  1072.         done

  1073.         echo "return 0; }"

  1074.     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers

  1075. }

  1076. 

  1077. check_cpp_condition(){

  1078.     log check_cpp_condition "$@"

  1079.     header=$1

  1080.     condition=$2

  1081.     shift 2

  1082.     check_cpp "$@" <<EOF

  1083. #include <$header>

  1084. #if !($condition)

  1085. #error "unsatisfied condition: $condition"

  1086. #endif

  1087. EOF

  1088. }

  1089. 

  1090. check_lib(){

  1091.     log check_lib "$@"

  1092.     header="$1"

  1093.     func="$2"

  1094.     shift 2

  1095.     check_header $header && check_func $func "$@" && add_extralibs "$@"

  1096. }

  1097. 

  1098. check_lib2(){

  1099.     log check_lib2 "$@"

  1100.     headers="$1"

  1101.     funcs="$2"

  1102.     shift 2

  1103.     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"

  1104. }

  1105. 

  1106. check_lib_cpp(){

  1107.     log check_lib_cpp "$@"

  1108.     headers="$1"

  1109.     classes="$2"

  1110.     shift 2

  1111.     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"

  1112. }

  1113. 

  1114. check_pkg_config(){

  1115.     log check_pkg_config "$@"

  1116.     pkgandversion="$1"

  1117.     pkg="${1%% *}"

  1118.     headers="$2"

  1119.     funcs="$3"

  1120.     shift 3

  1121.     check_cmd $pkg_config --exists --print-errors $pkgandversion || return

  1122.     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)

  1123.     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)

  1124.     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&

  1125.         set_safe "${pkg}_cflags" $pkg_cflags   &&

  1126.         set_safe "${pkg}_libs"   $pkg_libs

  1127. }

  1128. 

  1129. check_exec(){

  1130.     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }

  1131. }

  1132. 

  1133. check_exec_crash(){

  1134.     code=$(cat)

  1135. 

  1136.     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)

  1137.     # are safe but may not be available everywhere.  Thus we use

  1138.     # raise(SIGTERM) instead.  The check is run in a subshell so we

  1139.     # can redirect the "Terminated" message from the shell.  SIGBUS

  1140.     # is not defined by standard C so it is used conditionally.

  1141. 

  1142.     (check_exec "$@") >> $logfile 2>&1 <<EOF

  1143. #include <signal.h>

  1144. static void sighandler(int sig){

  1145.     raise(SIGTERM);

  1146. }

  1147. int foo(void){

  1148.     $code

  1149. }

  1150. int (*func_ptr)(void) = foo;

  1151. int main(void){

  1152.     signal(SIGILL, sighandler);

  1153.     signal(SIGFPE, sighandler);

  1154.     signal(SIGSEGV, sighandler);

  1155. #ifdef SIGBUS

  1156.     signal(SIGBUS, sighandler);

  1157. #endif

  1158.     return func_ptr();

  1159. }

  1160. EOF

  1161. }

  1162. 

  1163. check_type(){

  1164.     log check_type "$@"

  1165.     headers=$1

  1166.     type=$2

  1167.     shift 2

  1168.     disable_safe "$type"

  1169.     check_code cc "$headers" "$type v" "$@" && enable_safe "$type"

  1170. }

  1171. 

  1172. check_struct(){

  1173.     log check_struct "$@"

  1174.     headers=$1

  1175.     struct=$2

  1176.     member=$3

  1177.     shift 3

  1178.     disable_safe "${struct}_${member}"

  1179.     check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&

  1180.         enable_safe "${struct}_${member}"

  1181. }

  1182. 

  1183. check_builtin(){

  1184.     log check_builtin "$@"

  1185.     name=$1

  1186.     headers=$2

  1187.     builtin=$3

  1188.     shift 3

  1189.     disable "$name"

  1190.     check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"

  1191. }

  1192. 

  1193. check_compile_assert(){

  1194.     log check_compile_assert "$@"

  1195.     name=$1

  1196.     headers=$2

  1197.     condition=$3

  1198.     shift 3

  1199.     disable "$name"

  1200.     check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"

  1201. }

  1202. 

  1203. require(){

  1204.     name="$1"

  1205.     header="$2"

  1206.     func="$3"

  1207.     shift 3

  1208.     check_lib $header $func "$@" || die "ERROR: $name not found"

  1209. }

  1210. 

  1211. require2(){

  1212.     name="$1"

  1213.     headers="$2"

  1214.     func="$3"

  1215.     shift 3

  1216.     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"

  1217. }

  1218. 

  1219. require_cpp(){

  1220.     name="$1"

  1221.     headers="$2"

  1222.     classes="$3"

  1223.     shift 3

  1224.     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"

  1225. }

  1226. 

  1227. use_pkg_config(){

  1228.     pkg="$1"

  1229.     check_pkg_config "$@" || return 1

  1230.     add_cflags    $(get_safe "${pkg}_cflags")

  1231.     add_extralibs $(get_safe "${pkg}_libs")

  1232. }

  1233. 

  1234. require_pkg_config(){

  1235.     use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"

  1236. }

  1237. 

  1238. require_libfreetype(){

  1239.     log require_libfreetype "$@"

  1240.     pkg="freetype2"

  1241.     check_cmd $pkg_config --exists --print-errors $pkg \

  1242.       || die "ERROR: $pkg not found"

  1243.     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)

  1244.     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)

  1245.     {

  1246.         echo "#include <ft2build.h>"

  1247.         echo "#include FT_FREETYPE_H"

  1248.         echo "long check_func(void) { return (long) FT_Init_FreeType; }"

  1249.         echo "int main(void) { return 0; }"

  1250.     } | check_ld "cc" $pkg_cflags $pkg_libs \

  1251.       && set_safe "${pkg}_cflags" $pkg_cflags \

  1252.       && set_safe "${pkg}_libs"   $pkg_libs \

  1253.       || die "ERROR: $pkg not found"

  1254.     add_cflags    $(get_safe "${pkg}_cflags")

  1255.     add_extralibs $(get_safe "${pkg}_libs")

  1256. }

  1257. 

  1258. hostcc_e(){

  1259.     eval printf '%s\\n' $HOSTCC_E

  1260. }

  1261. 

  1262. hostcc_o(){

  1263.     eval printf '%s\\n' $HOSTCC_O

  1264. }

  1265. 

  1266. check_host_cc(){

  1267.     log check_host_cc "$@"

  1268.     cat > $TMPC

  1269.     log_file $TMPC

  1270.     check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC

  1271. }

  1272. 

  1273. check_host_cpp(){

  1274.     log check_host_cpp "$@"

  1275.     cat > $TMPC

  1276.     log_file $TMPC

  1277.     check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC

  1278. }

  1279. 

  1280. check_host_cppflags(){

  1281.     log check_host_cppflags "$@"

  1282.     check_host_cc "$@" <<EOF && append host_cppflags "$@"

  1283. int x;

  1284. EOF

  1285. }

  1286. 

  1287. check_host_cflags(){

  1288.     log check_host_cflags "$@"

  1289.     set -- $($host_cflags_filter "$@")

  1290.     check_host_cc "$@" <<EOF && append host_cflags "$@"

  1291. int x;

  1292. EOF

  1293. }

  1294. 

  1295. check_host_cpp_condition(){

  1296.     log check_host_cpp_condition "$@"

  1297.     header=$1

  1298.     condition=$2

  1299.     shift 2

  1300.     check_host_cpp "$@" <<EOF

  1301. #include <$header>

  1302. #if !($condition)

  1303. #error "unsatisfied condition: $condition"

  1304. #endif

  1305. EOF

  1306. }

  1307. 

  1308. apply(){

  1309.     file=$1

  1310.     shift

  1311.     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"

  1312. }

  1313. 

  1314. cp_if_changed(){

  1315.     cmp -s "$1" "$2" && echo "$2 is unchanged" && return

  1316.     mkdir -p "$(dirname $2)"

  1317.     $cp_f "$1" "$2"

  1318. }

  1319. 

  1320. # CONFIG_LIST contains configurable options, while HAVE_LIST is for

  1321. # system-dependent things.

  1322. 

  1323. COMPONENT_LIST="

  1324.     bsfs

  1325.     decoders

  1326.     demuxers

  1327.     encoders

  1328.     filters

  1329.     hwaccels

  1330.     indevs

  1331.     muxers

  1332.     outdevs

  1333.     parsers

  1334.     protocols

  1335. "

  1336. 

  1337. EXAMPLE_LIST="

  1338.     avio_reading_example

  1339.     avio_list_dir_example

  1340.     decoding_encoding_example

  1341.     demuxing_decoding_example

  1342.     extract_mvs_example

  1343.     filter_audio_example

  1344.     filtering_audio_example

  1345.     filtering_video_example

  1346.     metadata_example

  1347.     muxing_example

  1348.     qsvdec_example

  1349.     remuxing_example

  1350.     resampling_audio_example

  1351.     scaling_video_example

  1352.     transcode_aac_example

  1353.     transcoding_example

  1354. "

  1355. 

  1356. EXTERNAL_LIBRARY_LIST="

  1357.     avisynth

  1358.     bzlib

  1359.     crystalhd

  1360.     decklink

  1361.     frei0r

  1362.     gnutls

  1363.     iconv

  1364.     ladspa

  1365.     libaacplus

  1366.     libass

  1367.     libbluray

  1368.     libbs2b

  1369.     libcaca

  1370.     libcdio

  1371.     libcelt

  1372.     libdc1394

  1373.     libdcadec

  1374.     libfaac

  1375.     libfdk_aac

  1376.     libflite

  1377.     libfontconfig

  1378.     libfreetype

  1379.     libfribidi

  1380.     libgme

  1381.     libgsm

  1382.     libiec61883

  1383.     libilbc

  1384.     libmfx

  1385.     libmodplug

  1386.     libmp3lame

  1387.     libnut

  1388.     libopencore_amrnb

  1389.     libopencore_amrwb

  1390.     libopencv

  1391.     libopenh264

  1392.     libopenjpeg

  1393.     libopus

  1394.     libpulse

  1395.     libquvi

  1396.     librtmp

  1397.     libschroedinger

  1398.     libshine

  1399.     libsmbclient

  1400.     libsnappy

  1401.     libsoxr

  1402.     libspeex

  1403.     libssh

  1404.     libstagefright_h264

  1405.     libtheora

  1406.     libtwolame

  1407.     libutvideo

  1408.     libv4l2

  1409.     libvidstab

  1410.     libvo_aacenc

  1411.     libvo_amrwbenc

  1412.     libvorbis

  1413.     libvpx

  1414.     libwavpack

  1415.     libwebp

  1416.     libx264

  1417.     libx265

  1418.     libxavs

  1419.     libxcb

  1420.     libxcb_shm

  1421.     libxcb_shape

  1422.     libxcb_xfixes

  1423.     libxvid

  1424.     libzmq

  1425.     libzvbi

  1426.     lzma

  1427.     mmal

  1428.     nvenc

  1429.     openal

  1430.     opencl

  1431.     opengl

  1432.     openssl

  1433.     sdl

  1434.     securetransport

  1435.     x11grab

  1436.     xlib

  1437.     zlib

  1438. "

  1439. 

  1440. DOCUMENT_LIST="

  1441.     doc

  1442.     htmlpages

  1443.     manpages

  1444.     podpages

  1445.     txtpages

  1446. "

  1447. 

  1448. FEATURE_LIST="

  1449.     ftrapv

  1450.     gray

  1451.     hardcoded_tables

  1452.     runtime_cpudetect

  1453.     safe_bitstream_reader

  1454.     shared

  1455.     small

  1456.     static

  1457.     swscale_alpha

  1458. "

  1459. 

  1460. HWACCEL_LIST="

  1461.     d3d11va

  1462.     dxva2

  1463.     vaapi

  1464.     vda

  1465.     vdpau

  1466.     xvmc

  1467. "

  1468. 

  1469. LIBRARY_LIST="

  1470.     avcodec

  1471.     avdevice

  1472.     avfilter

  1473.     avformat

  1474.     avresample

  1475.     avutil

  1476.     postproc

  1477.     swresample

  1478.     swscale

  1479. "

  1480. 

  1481. LICENSE_LIST="

  1482.     gpl

  1483.     nonfree

  1484.     version3

  1485. "

  1486. 

  1487. PROGRAM_LIST="

  1488.     ffplay

  1489.     ffprobe

  1490.     ffserver

  1491.     ffmpeg

  1492. "

  1493. 

  1494. SUBSYSTEM_LIST="

  1495.     dct

  1496.     dwt

  1497.     error_resilience

  1498.     faan

  1499.     fast_unaligned

  1500.     fft

  1501.     lsp

  1502.     lzo

  1503.     mdct

  1504.     pixelutils

  1505.     network

  1506.     rdft

  1507. "

  1508. 

  1509. CONFIG_LIST="

  1510.     $COMPONENT_LIST

  1511.     $DOCUMENT_LIST

  1512.     $EXAMPLE_LIST

  1513.     $EXTERNAL_LIBRARY_LIST

  1514.     $FEATURE_LIST

  1515.     $HWACCEL_LIST

  1516.     $LICENSE_LIST

  1517.     $LIBRARY_LIST

  1518.     $PROGRAM_LIST

  1519.     $SUBSYSTEM_LIST

  1520.     fontconfig

  1521.     incompatible_libav_abi

  1522.     memalign_hack

  1523.     memory_poisoning

  1524.     neon_clobber_test

  1525.     pic

  1526.     pod2man

  1527.     raise_major

  1528.     thumb

  1529.     valgrind_backtrace

  1530.     xmm_clobber_test

  1531. "

  1532. 

  1533. THREADS_LIST="

  1534.     pthreads

  1535.     os2threads

  1536.     w32threads

  1537. "

  1538. 

  1539. ATOMICS_LIST="

  1540.     atomics_gcc

  1541.     atomics_suncc

  1542.     atomics_win32

  1543. "

  1544. 

  1545. ARCH_LIST="

  1546.     aarch64

  1547.     alpha

  1548.     arm

  1549.     avr32

  1550.     avr32_ap

  1551.     avr32_uc

  1552.     bfin

  1553.     ia64

  1554.     m68k

  1555.     mips

  1556.     mips64

  1557.     parisc

  1558.     ppc

  1559.     ppc64

  1560.     s390

  1561.     sh4

  1562.     sparc

  1563.     sparc64

  1564.     tilegx

  1565.     tilepro

  1566.     tomi

  1567.     x86

  1568.     x86_32

  1569.     x86_64

  1570. "

  1571. 

  1572. ARCH_EXT_LIST_ARM="

  1573.     armv5te

  1574.     armv6

  1575.     armv6t2

  1576.     armv8

  1577.     neon

  1578.     vfp

  1579.     vfpv3

  1580.     setend

  1581. "

  1582. 

  1583. ARCH_EXT_LIST_MIPS="

  1584.     mipsfpu

  1585.     mips32r2

  1586.     mips32r5

  1587.     mips64r6

  1588.     mipsdspr1

  1589.     mipsdspr2

  1590.     msa

  1591. "

  1592. 

  1593. ARCH_EXT_LIST_LOONGSON="

  1594.     loongson3

  1595. "

  1596. 

  1597. ARCH_EXT_LIST_X86_SIMD="

  1598.     amd3dnow

  1599.     amd3dnowext

  1600.     avx

  1601.     avx2

  1602.     fma3

  1603.     fma4

  1604.     mmx

  1605.     mmxext

  1606.     sse

  1607.     sse2

  1608.     sse3

  1609.     sse4

  1610.     sse42

  1611.     ssse3

  1612.     xop

  1613. "

  1614. 

  1615. ARCH_EXT_LIST_PPC="

  1616.     altivec

  1617.     dcbzl

  1618.     ldbrx

  1619.     power8

  1620.     ppc4xx

  1621.     vsx

  1622. "

  1623. 

  1624. ARCH_EXT_LIST_X86="

  1625.     $ARCH_EXT_LIST_X86_SIMD

  1626.     cpunop

  1627.     i686

  1628. "

  1629. 

  1630. ARCH_EXT_LIST="

  1631.     $ARCH_EXT_LIST_ARM

  1632.     $ARCH_EXT_LIST_PPC

  1633.     $ARCH_EXT_LIST_X86

  1634.     $ARCH_EXT_LIST_MIPS

  1635.     $ARCH_EXT_LIST_LOONGSON

  1636. "

  1637. 

  1638. ARCH_FEATURES="

  1639.     aligned_stack

  1640.     fast_64bit

  1641.     fast_clz

  1642.     fast_cmov

  1643.     local_aligned_8

  1644.     local_aligned_16

  1645.     local_aligned_32

  1646.     simd_align_16

  1647. "

  1648. 

  1649. BUILTIN_LIST="

  1650.     atomic_cas_ptr

  1651.     atomic_compare_exchange

  1652.     machine_rw_barrier

  1653.     MemoryBarrier

  1654.     mm_empty

  1655.     rdtsc

  1656.     sarestart

  1657.     sync_val_compare_and_swap

  1658. "

  1659. HAVE_LIST_CMDLINE="

  1660.     inline_asm

  1661.     symver

  1662.     yasm

  1663. "

  1664. 

  1665. HAVE_LIST_PUB="

  1666.     bigendian

  1667.     fast_unaligned

  1668.     incompatible_libav_abi

  1669. "

  1670. 

  1671. HEADERS_LIST="

  1672.     alsa_asoundlib_h

  1673.     altivec_h

  1674.     arpa_inet_h

  1675.     asm_types_h

  1676.     cdio_paranoia_h

  1677.     cdio_paranoia_paranoia_h

  1678.     dev_bktr_ioctl_bt848_h

  1679.     dev_bktr_ioctl_meteor_h

  1680.     dev_ic_bt8xx_h

  1681.     dev_video_bktr_ioctl_bt848_h

  1682.     dev_video_meteor_ioctl_meteor_h

  1683.     direct_h

  1684.     dlfcn_h

  1685.     d3d11_h

  1686.     dxva_h

  1687.     ES2_gl_h

  1688.     gsm_h

  1689.     io_h

  1690.     mach_mach_time_h

  1691.     machine_ioctl_bt848_h

  1692.     machine_ioctl_meteor_h

  1693.     malloc_h

  1694.     openjpeg_1_5_openjpeg_h

  1695.     OpenGL_gl3_h

  1696.     poll_h

  1697.     sndio_h

  1698.     soundcard_h

  1699.     sys_mman_h

  1700.     sys_param_h

  1701.     sys_resource_h

  1702.     sys_select_h

  1703.     sys_soundcard_h

  1704.     sys_time_h

  1705.     sys_un_h

  1706.     sys_videoio_h

  1707.     termios_h

  1708.     udplite_h

  1709.     unistd_h

  1710.     valgrind_valgrind_h

  1711.     windows_h

  1712.     winsock2_h

  1713. "

  1714. 

  1715. INTRINSICS_LIST="

  1716.     intrinsics_neon

  1717. "

  1718. 

  1719. MATH_FUNCS="

  1720.     atanf

  1721.     atan2f

  1722.     cbrt

  1723.     cbrtf

  1724.     cosf

  1725.     exp2

  1726.     exp2f

  1727.     expf

  1728.     isinf

  1729.     isnan

  1730.     ldexpf

  1731.     llrint

  1732.     llrintf

  1733.     log2

  1734.     log2f

  1735.     log10f

  1736.     lrint

  1737.     lrintf

  1738.     powf

  1739.     rint

  1740.     round

  1741.     roundf

  1742.     sinf

  1743.     trunc

  1744.     truncf

  1745. "

  1746. 

  1747. SYSTEM_FUNCS="

  1748.     access

  1749.     aligned_malloc

  1750.     clock_gettime

  1751.     closesocket

  1752.     CommandLineToArgvW

  1753.     CoTaskMemFree

  1754.     CryptGenRandom

  1755.     dlopen

  1756.     fcntl

  1757.     flt_lim

  1758.     fork

  1759.     getaddrinfo

  1760.     gethrtime

  1761.     getopt

  1762.     GetProcessAffinityMask

  1763.     GetProcessMemoryInfo

  1764.     GetProcessTimes

  1765.     getrusage

  1766.     getservbyport

  1767.     GetSystemTimeAsFileTime

  1768.     gettimeofday

  1769.     glob

  1770.     glXGetProcAddress

  1771.     gmtime_r

  1772.     inet_aton

  1773.     isatty

  1774.     jack_port_get_latency_range

  1775.     kbhit

  1776.     localtime_r

  1777.     lzo1x_999_compress

  1778.     mach_absolute_time

  1779.     MapViewOfFile

  1780.     memalign

  1781.     mkstemp

  1782.     mmap

  1783.     mprotect

  1784.     nanosleep

  1785.     PeekNamedPipe

  1786.     posix_memalign

  1787.     pthread_cancel

  1788.     sched_getaffinity

  1789.     SetConsoleTextAttribute

  1790.     SetConsoleCtrlHandler

  1791.     setmode

  1792.     setrlimit

  1793.     Sleep

  1794.     strerror_r

  1795.     sysconf

  1796.     sysctl

  1797.     usleep

  1798.     VirtualAlloc

  1799.     wglGetProcAddress

  1800. "

  1801. 

  1802. TOOLCHAIN_FEATURES="

  1803.     as_dn_directive

  1804.     as_func

  1805.     as_object_arch

  1806.     asm_mod_q

  1807.     attribute_may_alias

  1808.     attribute_packed

  1809.     ebp_available

  1810.     ebx_available

  1811.     gnu_as

  1812.     gnu_windres

  1813.     ibm_asm

  1814.     inline_asm_labels

  1815.     inline_asm_nonlocal_labels

  1816.     inline_asm_direct_symbol_refs

  1817.     pragma_deprecated

  1818.     rsync_contimeout

  1819.     symver_asm_label

  1820.     symver_gnu_asm

  1821.     vfp_args

  1822.     xform_asm

  1823.     xmm_clobbers

  1824. "

  1825. 

  1826. TYPES_LIST="

  1827.     CONDITION_VARIABLE_Ptr

  1828.     socklen_t

  1829.     struct_addrinfo

  1830.     struct_group_source_req

  1831.     struct_ip_mreq_source

  1832.     struct_ipv6_mreq

  1833.     struct_pollfd

  1834.     struct_rusage_ru_maxrss

  1835.     struct_sctp_event_subscribe

  1836.     struct_sockaddr_in6

  1837.     struct_sockaddr_sa_len

  1838.     struct_sockaddr_storage

  1839.     struct_stat_st_mtim_tv_nsec

  1840.     struct_v4l2_frmivalenum_discrete

  1841. "

  1842. 

  1843. HAVE_LIST="

  1844.     $ARCH_EXT_LIST

  1845.     $(add_suffix _external $ARCH_EXT_LIST)

  1846.     $(add_suffix _inline   $ARCH_EXT_LIST)

  1847.     $ARCH_FEATURES

  1848.     $ATOMICS_LIST

  1849.     $BUILTIN_LIST

  1850.     $HAVE_LIST_CMDLINE

  1851.     $HAVE_LIST_PUB

  1852.     $HEADERS_LIST

  1853.     $INTRINSICS_LIST

  1854.     $MATH_FUNCS

  1855.     $SYSTEM_FUNCS

  1856.     $THREADS_LIST

  1857.     $TOOLCHAIN_FEATURES

  1858.     $TYPES_LIST

  1859.     atomics_native

  1860.     dos_paths

  1861.     dxva2api_cobj

  1862.     dxva2_lib

  1863.     libc_msvcrt

  1864.     libdc1394_1

  1865.     libdc1394_2

  1866.     makeinfo

  1867.     makeinfo_html

  1868.     perl

  1869.     pod2man

  1870.     sdl

  1871.     section_data_rel_ro

  1872.     texi2html

  1873.     threads

  1874.     vaapi_x11

  1875.     vdpau_x11

  1876.     xlib

  1877. "

  1878. 

  1879. # options emitted with CONFIG_ prefix but not available on the command line

  1880. CONFIG_EXTRA="

  1881.     aandcttables

  1882.     ac3dsp

  1883.     audio_frame_queue

  1884.     audiodsp

  1885.     blockdsp

  1886.     bswapdsp

  1887.     cabac

  1888.     dvprofile

  1889.     exif

  1890.     faandct

  1891.     faanidct

  1892.     fdctdsp

  1893.     fmtconvert

  1894.     frame_thread_encoder

  1895.     gcrypt

  1896.     gmp

  1897.     golomb

  1898.     gplv3

  1899.     h263dsp

  1900.     h264chroma

  1901.     h264dsp

  1902.     h264pred

  1903.     h264qpel

  1904.     hpeldsp

  1905.     huffman

  1906.     huffyuvdsp

  1907.     huffyuvencdsp

  1908.     idctdsp

  1909.     iirfilter

  1910.     imdct15

  1911.     intrax8

  1912.     jpegtables

  1913.     lgplv3

  1914.     llauddsp

  1915.     llviddsp

  1916.     lpc

  1917.     me_cmp

  1918.     mpeg_er

  1919.     mpegaudio

  1920.     mpegaudiodsp

  1921.     mpegvideo

  1922.     mpegvideoenc

  1923.     pixblockdsp

  1924.     qpeldsp

  1925.     qsv

  1926.     qsvdec

  1927.     qsvenc

  1928.     rangecoder

  1929.     riffdec

  1930.     riffenc

  1931.     rtpdec

  1932.     rtpenc_chain

  1933.     sinewin

  1934.     snappy

  1935.     startcode

  1936.     texturedsp

  1937.     texturedspenc

  1938.     tpeldsp

  1939.     videodsp

  1940.     vp3dsp

  1941.     wma_freqs

  1942. "

  1943. 

  1944. CMDLINE_SELECT="

  1945.     $ARCH_EXT_LIST

  1946.     $CONFIG_LIST

  1947.     $HAVE_LIST_CMDLINE

  1948.     $THREADS_LIST

  1949.     asm

  1950.     cross_compile

  1951.     debug

  1952.     extra_warnings

  1953.     logging

  1954.     lto

  1955.     optimizations

  1956.     rpath

  1957.     stripping

  1958. "

  1959. 

  1960. PATHS_LIST="

  1961.     bindir

  1962.     datadir

  1963.     docdir

  1964.     incdir

  1965.     libdir

  1966.     mandir

  1967.     pkgconfigdir

  1968.     prefix

  1969.     shlibdir

  1970. "

  1971. 

  1972. CMDLINE_SET="

  1973.     $PATHS_LIST

  1974.     ar

  1975.     arch

  1976.     as

  1977.     assert_level

  1978.     build_suffix

  1979.     cc

  1980.     cpu

  1981.     cross_prefix

  1982.     cxx

  1983.     dep_cc

  1984.     doxygen

  1985.     env

  1986.     extra_version

  1987.     gas

  1988.     host_cc

  1989.     host_cflags

  1990.     host_ld

  1991.     host_ldflags

  1992.     host_libs

  1993.     host_os

  1994.     install

  1995.     ld

  1996.     logfile

  1997.     malloc_prefix

  1998.     nm

  1999.     optflags

  2000.     pkg_config

  2001.     pkg_config_flags

  2002.     progs_suffix

  2003.     random_seed

  2004.     ranlib

  2005.     samples

  2006.     strip

  2007.     sws_max_filter_size

  2008.     sysinclude

  2009.     sysroot

  2010.     target_exec

  2011.     target_os

  2012.     target_path

  2013.     target_samples

  2014.     tempprefix

  2015.     toolchain

  2016.     valgrind

  2017.     yasmexe

  2018. "

  2019. 

  2020. CMDLINE_APPEND="

  2021.     extra_cflags

  2022.     extra_cxxflags

  2023.     host_cppflags

  2024. "

  2025. 

  2026. # code dependency declarations

  2027. 

  2028. # architecture extensions

  2029. 

  2030. armv5te_deps="arm"

  2031. armv6_deps="arm"

  2032. armv6t2_deps="arm"

  2033. armv8_deps="aarch64"

  2034. neon_deps_any="aarch64 arm"

  2035. intrinsics_neon_deps="neon"

  2036. vfp_deps_any="aarch64 arm"

  2037. vfpv3_deps="vfp"

  2038. setend_deps="arm"

  2039. 

  2040. map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM

  2041. 

  2042. mipsfpu_deps="mips"

  2043. mipsdspr1_deps="mips"

  2044. mipsdspr2_deps="mips"

  2045. mips32r2_deps="mips"

  2046. mips32r5_deps="mips"

  2047. mips64r6_deps="mips"

  2048. msa_deps="mips"

  2049. loongson3_deps="mips"

  2050. 

  2051. altivec_deps="ppc"

  2052. dcbzl_deps="ppc"

  2053. ldbrx_deps="ppc"

  2054. ppc4xx_deps="ppc"

  2055. vsx_deps="altivec"

  2056. power8_deps="vsx"

  2057. 

  2058. cpunop_deps="i686"

  2059. x86_64_select="i686"

  2060. x86_64_suggest="fast_cmov"

  2061. 

  2062. amd3dnow_deps="mmx"

  2063. amd3dnowext_deps="amd3dnow"

  2064. i686_deps="x86"

  2065. mmx_deps="x86"

  2066. mmxext_deps="mmx"

  2067. sse_deps="mmxext"

  2068. sse2_deps="sse"

  2069. sse3_deps="sse2"

  2070. ssse3_deps="sse3"

  2071. sse4_deps="ssse3"

  2072. sse42_deps="sse4"

  2073. avx_deps="sse42"

  2074. xop_deps="avx"

  2075. fma3_deps="avx"

  2076. fma4_deps="avx"

  2077. avx2_deps="avx"

  2078. 

  2079. mmx_external_deps="yasm"

  2080. mmx_inline_deps="inline_asm"

  2081. mmx_suggest="mmx_external mmx_inline"

  2082. 

  2083. for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do

  2084.     eval dep=\$${ext}_deps

  2085.     eval ${ext}_external_deps='"${dep}_external"'

  2086.     eval ${ext}_inline_deps='"${dep}_inline"'

  2087.     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'

  2088. done

  2089. 

  2090. aligned_stack_if_any="aarch64 ppc x86"

  2091. fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"

  2092. fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"

  2093. fast_unaligned_if_any="aarch64 ppc x86"

  2094. simd_align_16_if_any="altivec neon sse"

  2095. 

  2096. # system capabilities

  2097. symver_if_any="symver_asm_label symver_gnu_asm"

  2098. valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"

  2099. 

  2100. # threading support

  2101. atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"

  2102. atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"

  2103. atomics_win32_if="MemoryBarrier"

  2104. atomics_native_if_any="$ATOMICS_LIST"

  2105. w32threads_deps="atomics_native"

  2106. threads_if_any="$THREADS_LIST"

  2107. 

  2108. # subsystems

  2109. dct_select="rdft"

  2110. error_resilience_select="me_cmp"

  2111. faandct_deps="faan fdctdsp"

  2112. faanidct_deps="faan idctdsp"

  2113. frame_thread_encoder_deps="encoders threads"

  2114. intrax8_select="error_resilience"

  2115. mdct_select="fft"

  2116. rdft_select="fft"

  2117. me_cmp_select="fdctdsp idctdsp pixblockdsp"

  2118. mpeg_er_select="error_resilience"

  2119. mpegaudio_select="mpegaudiodsp"

  2120. mpegaudiodsp_select="dct"

  2121. mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp videodsp"

  2122. mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"

  2123. qsvdec_select="qsv"

  2124. qsvenc_select="qsv"

  2125. 

  2126. # decoders / encoders

  2127. aac_decoder_select="imdct15 mdct sinewin"

  2128. aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"

  2129. aac_latm_decoder_select="aac_decoder aac_latm_parser"

  2130. ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"

  2131. ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"

  2132. ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2133. ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2134. aic_decoder_select="golomb idctdsp"

  2135. alac_encoder_select="lpc"

  2136. als_decoder_select="bswapdsp"

  2137. amrnb_decoder_select="lsp"

  2138. amrwb_decoder_select="lsp"

  2139. amv_decoder_select="sp5x_decoder exif"

  2140. amv_encoder_select="aandcttables jpegtables mpegvideoenc"

  2141. ape_decoder_select="bswapdsp llauddsp"

  2142. apng_decoder_select="zlib"

  2143. apng_encoder_select="huffyuvencdsp zlib"

  2144. asv1_decoder_select="blockdsp bswapdsp idctdsp"

  2145. asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2146. asv2_decoder_select="blockdsp bswapdsp idctdsp"

  2147. asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2148. atrac1_decoder_select="mdct sinewin"

  2149. atrac3_decoder_select="mdct"

  2150. atrac3p_decoder_select="mdct sinewin"

  2151. avrn_decoder_select="exif jpegtables"

  2152. bink_decoder_select="blockdsp hpeldsp"

  2153. binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"

  2154. binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"

  2155. cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"

  2156. cllc_decoder_select="bswapdsp"

  2157. comfortnoise_encoder_select="lpc"

  2158. cook_decoder_select="audiodsp mdct sinewin"

  2159. cscd_decoder_select="lzo"

  2160. cscd_decoder_suggest="zlib"

  2161. dca_decoder_select="fmtconvert mdct"

  2162. dds_decoder_select="texturedsp"

  2163. dirac_decoder_select="dwt golomb videodsp mpegvideoenc"

  2164. dnxhd_decoder_select="blockdsp idctdsp"

  2165. dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"

  2166. dvvideo_decoder_select="dvprofile idctdsp"

  2167. dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"

  2168. dxa_decoder_select="zlib"

  2169. eac3_decoder_select="ac3_decoder"

  2170. eac3_encoder_select="ac3_encoder"

  2171. eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"

  2172. eatgq_decoder_select="aandcttables"

  2173. eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"

  2174. exr_decoder_select="zlib"

  2175. ffv1_decoder_select="golomb rangecoder"

  2176. ffv1_encoder_select="rangecoder"

  2177. ffvhuff_decoder_select="huffyuv_decoder"

  2178. ffvhuff_encoder_select="huffyuv_encoder"

  2179. fic_decoder_select="golomb"

  2180. flac_decoder_select="golomb"

  2181. flac_encoder_select="bswapdsp golomb lpc"

  2182. flashsv_decoder_select="zlib"

  2183. flashsv_encoder_select="zlib"

  2184. flashsv2_encoder_select="zlib"

  2185. flashsv2_decoder_select="zlib"

  2186. flv_decoder_select="h263_decoder"

  2187. flv_encoder_select="h263_encoder"

  2188. fourxm_decoder_select="blockdsp bswapdsp"

  2189. fraps_decoder_select="bswapdsp huffman"

  2190. g2m_decoder_select="blockdsp idctdsp jpegtables zlib"

  2191. g729_decoder_select="audiodsp"

  2192. h261_decoder_select="mpeg_er mpegvideo"

  2193. h261_encoder_select="aandcttables mpegvideoenc"

  2194. h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"

  2195. h263_encoder_select="aandcttables h263dsp mpegvideoenc"

  2196. h263i_decoder_select="h263_decoder"

  2197. h263p_decoder_select="h263_decoder"

  2198. h263p_encoder_select="h263_encoder"

  2199. h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"

  2200. h264_decoder_suggest="error_resilience"

  2201. h264_qsv_decoder_deps="libmfx"

  2202. h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"

  2203. h264_qsv_encoder_deps="libmfx"

  2204. h264_qsv_encoder_select="qsvenc"

  2205. hap_decoder_select="snappy texturedsp"

  2206. hap_encoder_deps="libsnappy"

  2207. hap_encoder_select="texturedspenc"

  2208. hevc_decoder_select="bswapdsp cabac golomb videodsp"

  2209. huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"

  2210. huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"

  2211. iac_decoder_select="imc_decoder"

  2212. imc_decoder_select="bswapdsp fft mdct sinewin"

  2213. indeo3_decoder_select="hpeldsp"

  2214. interplay_video_decoder_select="hpeldsp"

  2215. jpegls_decoder_select="golomb mjpeg_decoder"

  2216. jpegls_encoder_select="golomb"

  2217. jv_decoder_select="blockdsp"

  2218. lagarith_decoder_select="huffyuvdsp"

  2219. ljpeg_encoder_select="aandcttables idctdsp jpegtables"

  2220. loco_decoder_select="golomb"

  2221. mdec_decoder_select="blockdsp idctdsp mpegvideo"

  2222. metasound_decoder_select="lsp mdct sinewin"

  2223. mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"

  2224. mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"

  2225. mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"

  2226. mjpegb_decoder_select="mjpeg_decoder"

  2227. mlp_decoder_select="mlp_parser"

  2228. motionpixels_decoder_select="bswapdsp"

  2229. mp1_decoder_select="mpegaudio"

  2230. mp1float_decoder_select="mpegaudio"

  2231. mp2_decoder_select="mpegaudio"

  2232. mp2float_decoder_select="mpegaudio"

  2233. mp3_decoder_select="mpegaudio"

  2234. mp3adu_decoder_select="mpegaudio"

  2235. mp3adufloat_decoder_select="mpegaudio"

  2236. mp3float_decoder_select="mpegaudio"

  2237. mp3on4_decoder_select="mpegaudio"

  2238. mp3on4float_decoder_select="mpegaudio"

  2239. mpc7_decoder_select="bswapdsp mpegaudiodsp"

  2240. mpc8_decoder_select="mpegaudiodsp"

  2241. mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"

  2242. mpeg_xvmc_decoder_select="mpeg2video_decoder"

  2243. mpegvideo_decoder_select="error_resilience mpeg_er mpegvideo"

  2244. mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"

  2245. mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2246. mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"

  2247. mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2248. mpeg4_decoder_select="h263_decoder mpeg4video_parser"

  2249. mpeg4_encoder_select="h263_encoder"

  2250. msmpeg4v1_decoder_select="h263_decoder"

  2251. msmpeg4v2_decoder_select="h263_decoder"

  2252. msmpeg4v2_encoder_select="h263_encoder"

  2253. msmpeg4v3_decoder_select="h263_decoder"

  2254. msmpeg4v3_encoder_select="h263_encoder"

  2255. mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"

  2256. mxpeg_decoder_select="mjpeg_decoder"

  2257. nellymoser_decoder_select="mdct sinewin"

  2258. nellymoser_encoder_select="audio_frame_queue mdct sinewin"

  2259. nuv_decoder_select="idctdsp lzo"

  2260. on2avc_decoder_select="mdct"

  2261. opus_decoder_deps="swresample"

  2262. opus_decoder_select="imdct15"

  2263. png_decoder_select="zlib"

  2264. png_encoder_select="huffyuvencdsp zlib"

  2265. prores_decoder_select="blockdsp idctdsp"

  2266. prores_encoder_select="fdctdsp"

  2267. qcelp_decoder_select="lsp"

  2268. qdm2_decoder_select="mdct rdft mpegaudiodsp"

  2269. ra_144_encoder_select="audio_frame_queue lpc audiodsp"

  2270. ra_144_decoder_select="audiodsp"

  2271. ralf_decoder_select="golomb"

  2272. rawvideo_decoder_select="bswapdsp"

  2273. rtjpeg_decoder_select="me_cmp"

  2274. rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"

  2275. rv10_encoder_select="h263_encoder"

  2276. rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"

  2277. rv20_encoder_select="h263_encoder"

  2278. rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"

  2279. rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"

  2280. shorten_decoder_select="golomb"

  2281. sipr_decoder_select="lsp"

  2282. snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"

  2283. snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"

  2284. sonic_decoder_select="golomb rangecoder"

  2285. sonic_encoder_select="golomb rangecoder"

  2286. sonic_ls_encoder_select="golomb rangecoder"

  2287. sp5x_decoder_select="mjpeg_decoder"

  2288. svq1_decoder_select="hpeldsp"

  2289. svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"

  2290. svq3_decoder_select="h264_decoder hpeldsp tpeldsp"

  2291. svq3_decoder_suggest="zlib"

  2292. tak_decoder_select="audiodsp"

  2293. tdsc_decoder_select="zlib mjpeg_decoder"

  2294. theora_decoder_select="vp3_decoder"

  2295. thp_decoder_select="mjpeg_decoder"

  2296. tiff_decoder_suggest="zlib lzma"

  2297. tiff_encoder_suggest="zlib"

  2298. truehd_decoder_select="mlp_parser"

  2299. truemotion2_decoder_select="bswapdsp"

  2300. truespeech_decoder_select="bswapdsp"

  2301. tscc_decoder_select="zlib"

  2302. twinvq_decoder_select="mdct lsp sinewin"

  2303. txd_decoder_select="texturedsp"

  2304. utvideo_decoder_select="bswapdsp"

  2305. utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"

  2306. vble_decoder_select="huffyuvdsp"

  2307. vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode"

  2308. vc1image_decoder_select="vc1_decoder"

  2309. vorbis_decoder_select="mdct"

  2310. vorbis_encoder_select="mdct"

  2311. vp3_decoder_select="hpeldsp vp3dsp videodsp"

  2312. vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"

  2313. vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"

  2314. vp6a_decoder_select="vp6_decoder"

  2315. vp6f_decoder_select="vp6_decoder"

  2316. vp7_decoder_select="h264pred videodsp"

  2317. vp8_decoder_select="h264pred videodsp"

  2318. vp9_decoder_select="videodsp vp9_parser"

  2319. webp_decoder_select="vp8_decoder"

  2320. wmalossless_decoder_select="llauddsp"

  2321. wmapro_decoder_select="mdct sinewin wma_freqs"

  2322. wmav1_decoder_select="mdct sinewin wma_freqs"

  2323. wmav1_encoder_select="mdct sinewin wma_freqs"

  2324. wmav2_decoder_select="mdct sinewin wma_freqs"

  2325. wmav2_encoder_select="mdct sinewin wma_freqs"

  2326. wmavoice_decoder_select="lsp rdft dct mdct sinewin"

  2327. wmv1_decoder_select="h263_decoder"

  2328. wmv1_encoder_select="h263_encoder"

  2329. wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp"

  2330. wmv2_encoder_select="h263_encoder"

  2331. wmv3_decoder_select="vc1_decoder"

  2332. wmv3image_decoder_select="wmv3_decoder"

  2333. zerocodec_decoder_select="zlib"

  2334. zlib_decoder_select="zlib"

  2335. zlib_encoder_select="zlib"

  2336. zmbv_decoder_select="zlib"

  2337. zmbv_encoder_select="zlib"

  2338. 

  2339. # hardware accelerators

  2340. crystalhd_deps="libcrystalhd_libcrystalhd_if_h"

  2341. d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"

  2342. dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"

  2343. vaapi_deps="va_va_h"

  2344. vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"

  2345. vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"

  2346. vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"

  2347. xvmc_deps="X11_extensions_XvMClib_h"

  2348. 

  2349. h263_vaapi_hwaccel_deps="vaapi"

  2350. h263_vaapi_hwaccel_select="h263_decoder"

  2351. h263_vdpau_hwaccel_deps="vdpau"

  2352. h263_vdpau_hwaccel_select="h263_decoder"

  2353. h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"

  2354. h264_d3d11va_hwaccel_deps="d3d11va"

  2355. h264_d3d11va_hwaccel_select="h264_decoder"

  2356. h264_dxva2_hwaccel_deps="dxva2"

  2357. h264_dxva2_hwaccel_select="h264_decoder"

  2358. h264_mmal_decoder_deps="mmal"

  2359. h264_mmal_hwaccel_deps="mmal"

  2360. h264_mmal_decoder_select="h264_decoder"

  2361. h264_mmal_encoder_deps="mmal"

  2362. h264_qsv_hwaccel_deps="libmfx"

  2363. h264_vaapi_hwaccel_deps="vaapi"

  2364. h264_vaapi_hwaccel_select="h264_decoder"

  2365. h264_vda_decoder_deps="vda"

  2366. h264_vda_decoder_select="h264_decoder"

  2367. h264_vda_hwaccel_deps="vda"

  2368. h264_vda_hwaccel_select="h264_decoder"

  2369. h264_vda_old_hwaccel_deps="vda"

  2370. h264_vda_old_hwaccel_select="h264_decoder"

  2371. h264_vdpau_decoder_deps="vdpau"

  2372. h264_vdpau_decoder_select="h264_decoder"

  2373. h264_vdpau_hwaccel_deps="vdpau"

  2374. h264_vdpau_hwaccel_select="h264_decoder"

  2375. hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"

  2376. hevc_d3d11va_hwaccel_select="hevc_decoder"

  2377. hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"

  2378. hevc_dxva2_hwaccel_select="hevc_decoder"

  2379. hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"

  2380. hevc_vdpau_hwaccel_select="hevc_decoder"

  2381. mpeg_vdpau_decoder_deps="vdpau"

  2382. mpeg_vdpau_decoder_select="mpeg2video_decoder"

  2383. mpeg_xvmc_hwaccel_deps="xvmc"

  2384. mpeg_xvmc_hwaccel_select="mpeg2video_decoder"

  2385. mpeg1_vdpau_decoder_deps="vdpau"

  2386. mpeg1_vdpau_decoder_select="mpeg1video_decoder"

  2387. mpeg1_vdpau_hwaccel_deps="vdpau"

  2388. mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"

  2389. mpeg1_xvmc_hwaccel_deps="xvmc"

  2390. mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"

  2391. mpeg2_crystalhd_decoder_select="crystalhd"

  2392. mpeg2_d3d11va_hwaccel_deps="d3d11va"

  2393. mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"

  2394. mpeg2_dxva2_hwaccel_deps="dxva2"

  2395. mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"

  2396. mpeg2_vaapi_hwaccel_deps="vaapi"

  2397. mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"

  2398. mpeg2_vdpau_hwaccel_deps="vdpau"

  2399. mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"

  2400. mpeg2_xvmc_hwaccel_deps="xvmc"

  2401. mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"

  2402. mpeg4_crystalhd_decoder_select="crystalhd"

  2403. mpeg4_vaapi_hwaccel_deps="vaapi"

  2404. mpeg4_vaapi_hwaccel_select="mpeg4_decoder"

  2405. mpeg4_vdpau_decoder_deps="vdpau"

  2406. mpeg4_vdpau_decoder_select="mpeg4_decoder"

  2407. mpeg4_vdpau_hwaccel_deps="vdpau"

  2408. mpeg4_vdpau_hwaccel_select="mpeg4_decoder"

  2409. msmpeg4_crystalhd_decoder_select="crystalhd"

  2410. vc1_crystalhd_decoder_select="crystalhd"

  2411. vc1_d3d11va_hwaccel_deps="d3d11va"

  2412. vc1_d3d11va_hwaccel_select="vc1_decoder"

  2413. vc1_dxva2_hwaccel_deps="dxva2"

  2414. vc1_dxva2_hwaccel_select="vc1_decoder"

  2415. vc1_vaapi_hwaccel_deps="vaapi"

  2416. vc1_vaapi_hwaccel_select="vc1_decoder"

  2417. vc1_vdpau_decoder_deps="vdpau"

  2418. vc1_vdpau_decoder_select="vc1_decoder"

  2419. vc1_vdpau_hwaccel_deps="vdpau"

  2420. vc1_vdpau_hwaccel_select="vc1_decoder"

  2421. wmv3_crystalhd_decoder_select="crystalhd"

  2422. wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"

  2423. wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"

  2424. wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"

  2425. wmv3_vdpau_decoder_select="vc1_vdpau_decoder"

  2426. wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"

  2427. 

  2428. # parsers

  2429. h264_parser_select="h264_decoder"

  2430. hevc_parser_select="hevc_decoder"

  2431. mpegvideo_parser_select="mpegvideo"

  2432. mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"

  2433. vc1_parser_select="mpegvideo startcode vc1_decoder"

  2434. 

  2435. # bitstream_filters

  2436. mjpeg2jpeg_bsf_select="jpegtables"

  2437. 

  2438. # external libraries

  2439. libaacplus_encoder_deps="libaacplus"

  2440. libcelt_decoder_deps="libcelt"

  2441. libdcadec_decoder_deps="libdcadec"

  2442. libfaac_encoder_deps="libfaac"

  2443. libfaac_encoder_select="audio_frame_queue"

  2444. libfdk_aac_decoder_deps="libfdk_aac"

  2445. libfdk_aac_encoder_deps="libfdk_aac"

  2446. libfdk_aac_encoder_select="audio_frame_queue"

  2447. libgme_demuxer_deps="libgme"

  2448. libgsm_decoder_deps="libgsm"

  2449. libgsm_encoder_deps="libgsm"

  2450. libgsm_ms_decoder_deps="libgsm"

  2451. libgsm_ms_encoder_deps="libgsm"

  2452. libilbc_decoder_deps="libilbc"

  2453. libilbc_encoder_deps="libilbc"

  2454. libmodplug_demuxer_deps="libmodplug"

  2455. libmp3lame_encoder_deps="libmp3lame"

  2456. libmp3lame_encoder_select="audio_frame_queue"

  2457. libopencore_amrnb_decoder_deps="libopencore_amrnb"

  2458. libopencore_amrnb_encoder_deps="libopencore_amrnb"

  2459. libopencore_amrnb_encoder_select="audio_frame_queue"

  2460. libopencore_amrwb_decoder_deps="libopencore_amrwb"

  2461. libopenh264_encoder_deps="libopenh264"

  2462. libopenjpeg_decoder_deps="libopenjpeg"

  2463. libopenjpeg_encoder_deps="libopenjpeg"

  2464. libopus_decoder_deps="libopus"

  2465. libopus_encoder_deps="libopus"

  2466. libopus_encoder_select="audio_frame_queue"

  2467. libquvi_demuxer_deps="libquvi"

  2468. libschroedinger_decoder_deps="libschroedinger"

  2469. libschroedinger_encoder_deps="libschroedinger"

  2470. libshine_encoder_deps="libshine"

  2471. libshine_encoder_select="audio_frame_queue"

  2472. libspeex_decoder_deps="libspeex"

  2473. libspeex_encoder_deps="libspeex"

  2474. libspeex_encoder_select="audio_frame_queue"

  2475. libstagefright_h264_decoder_deps="libstagefright_h264"

  2476. libtheora_encoder_deps="libtheora"

  2477. libtwolame_encoder_deps="libtwolame"

  2478. libvo_aacenc_encoder_deps="libvo_aacenc"

  2479. libvo_aacenc_encoder_select="audio_frame_queue"

  2480. libvo_amrwbenc_encoder_deps="libvo_amrwbenc"

  2481. libvorbis_decoder_deps="libvorbis"

  2482. libvorbis_encoder_deps="libvorbis"

  2483. libvorbis_encoder_select="audio_frame_queue"

  2484. libvpx_vp8_decoder_deps="libvpx"

  2485. libvpx_vp8_encoder_deps="libvpx"

  2486. libvpx_vp9_decoder_deps="libvpx"

  2487. libvpx_vp9_encoder_deps="libvpx"

  2488. libwavpack_encoder_deps="libwavpack"

  2489. libwebp_encoder_deps="libwebp"

  2490. libwebp_anim_encoder_deps="libwebp"

  2491. libx264_encoder_deps="libx264"

  2492. libx264rgb_encoder_deps="libx264"

  2493. libx264rgb_encoder_select="libx264_encoder"

  2494. libx265_encoder_deps="libx265"

  2495. libxavs_encoder_deps="libxavs"

  2496. libxvid_encoder_deps="libxvid"

  2497. libutvideo_decoder_deps="libutvideo"

  2498. libutvideo_encoder_deps="libutvideo"

  2499. libzvbi_teletext_decoder_deps="libzvbi"

  2500. nvenc_encoder_deps="nvenc"

  2501. nvenc_h264_encoder_deps="nvenc"

  2502. nvenc_hevc_encoder_deps="nvenc"

  2503. 

  2504. # demuxers / muxers

  2505. ac3_demuxer_select="ac3_parser"

  2506. asf_demuxer_select="riffdec"

  2507. asf_o_demuxer_select="riffdec"

  2508. asf_muxer_select="riffenc"

  2509. asf_stream_muxer_select="asf_muxer"

  2510. avi_demuxer_select="riffdec exif"

  2511. avi_muxer_select="riffenc"

  2512. avisynth_demuxer_deps="avisynth"

  2513. avisynth_demuxer_select="riffdec"

  2514. caf_demuxer_select="riffdec"

  2515. dash_muxer_select="mp4_muxer"

  2516. dirac_demuxer_select="dirac_parser"

  2517. dts_demuxer_select="dca_parser"

  2518. dtshd_demuxer_select="dca_parser"

  2519. dv_demuxer_select="dvprofile"

  2520. dv_muxer_select="dvprofile"

  2521. dxa_demuxer_select="riffdec"

  2522. eac3_demuxer_select="ac3_parser"

  2523. f4v_muxer_select="mov_muxer"

  2524. flac_demuxer_select="flac_parser"

  2525. hds_muxer_select="flv_muxer"

  2526. hls_muxer_select="mpegts_muxer"

  2527. image2_alias_pix_demuxer_select="image2_demuxer"

  2528. image2_brender_pix_demuxer_select="image2_demuxer"

  2529. ipod_muxer_select="mov_muxer"

  2530. ismv_muxer_select="mov_muxer"

  2531. libnut_demuxer_deps="libnut"

  2532. libnut_muxer_deps="libnut"

  2533. matroska_audio_muxer_select="matroska_muxer"

  2534. matroska_demuxer_select="riffdec"

  2535. matroska_demuxer_suggest="bzlib lzo zlib"

  2536. matroska_muxer_select="riffenc"

  2537. mmf_muxer_select="riffenc"

  2538. mov_demuxer_select="riffdec"

  2539. mov_demuxer_suggest="zlib"

  2540. mov_muxer_select="riffenc rtpenc_chain"

  2541. mp3_demuxer_select="mpegaudio_parser"

  2542. mp4_muxer_select="mov_muxer"

  2543. mpegts_muxer_select="adts_muxer latm_muxer"

  2544. mpegtsraw_demuxer_select="mpegts_demuxer"

  2545. mxf_d10_muxer_select="mxf_muxer"

  2546. mxf_opatom_muxer_select="mxf_muxer"

  2547. nut_muxer_select="riffenc"

  2548. nuv_demuxer_select="riffdec"

  2549. oga_muxer_select="ogg_muxer"

  2550. ogg_demuxer_select="golomb"

  2551. opus_muxer_select="ogg_muxer"

  2552. psp_muxer_select="mov_muxer"

  2553. rtp_demuxer_select="sdp_demuxer"

  2554. rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"

  2555. rtsp_demuxer_select="http_protocol rtpdec"

  2556. rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"

  2557. sap_demuxer_select="sdp_demuxer"

  2558. sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"

  2559. sdp_demuxer_select="rtpdec"

  2560. smoothstreaming_muxer_select="ismv_muxer"

  2561. spdif_muxer_select="aac_parser"

  2562. spx_muxer_select="ogg_muxer"

  2563. tak_demuxer_select="tak_parser"

  2564. tg2_muxer_select="mov_muxer"

  2565. tgp_muxer_select="mov_muxer"

  2566. vobsub_demuxer_select="mpegps_demuxer"

  2567. w64_demuxer_select="wav_demuxer"

  2568. w64_muxer_select="wav_muxer"

  2569. wav_demuxer_select="riffdec"

  2570. wav_muxer_select="riffenc"

  2571. webm_muxer_select="riffenc"

  2572. wtv_demuxer_select="riffdec"

  2573. wtv_muxer_select="riffenc"

  2574. xmv_demuxer_select="riffdec"

  2575. xwma_demuxer_select="riffdec"

  2576. 

  2577. # indevs / outdevs

  2578. alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"

  2579. alsa_outdev_deps="alsa_asoundlib_h"

  2580. avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"

  2581. avfoundation_indev_select="avfoundation"

  2582. bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"

  2583. caca_outdev_deps="libcaca"

  2584. decklink_outdev_deps="decklink pthreads"

  2585. decklink_outdev_extralibs="-lstdc++"

  2586. decklink_indev_deps="decklink pthreads"

  2587. decklink_indev_extralibs="-lstdc++"

  2588. dshow_indev_deps="IBaseFilter"

  2589. dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"

  2590. dv1394_indev_deps="dv1394"

  2591. dv1394_indev_select="dv_demuxer"

  2592. fbdev_indev_deps="linux_fb_h"

  2593. fbdev_outdev_deps="linux_fb_h"

  2594. gdigrab_indev_deps="CreateDIBSection"

  2595. gdigrab_indev_extralibs="-lgdi32"

  2596. gdigrab_indev_select="bmp_decoder"

  2597. iec61883_indev_deps="libiec61883"

  2598. jack_indev_deps="jack_jack_h sem_timedwait"

  2599. lavfi_indev_deps="avfilter"

  2600. libcdio_indev_deps="libcdio"

  2601. libdc1394_indev_deps="libdc1394"

  2602. libv4l2_indev_deps="libv4l2"

  2603. openal_indev_deps="openal"

  2604. opengl_outdev_deps="opengl"

  2605. oss_indev_deps_any="soundcard_h sys_soundcard_h"

  2606. oss_outdev_deps_any="soundcard_h sys_soundcard_h"

  2607. pulse_indev_deps="libpulse"

  2608. pulse_outdev_deps="libpulse"

  2609. qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"

  2610. qtkit_indev_select="qtkit"

  2611. sdl_outdev_deps="sdl"

  2612. sndio_indev_deps="sndio_h"

  2613. sndio_outdev_deps="sndio_h"

  2614. v4l_indev_deps="linux_videodev_h"

  2615. v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"

  2616. v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"

  2617. vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"

  2618. vfwcap_indev_extralibs="-lavicap32"

  2619. xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"

  2620. xv_outdev_extralibs="-lXv -lX11 -lXext"

  2621. x11grab_indev_deps="x11grab"

  2622. x11grab_xcb_indev_deps="libxcb"

  2623. 

  2624. # protocols

  2625. bluray_protocol_deps="libbluray"

  2626. ffrtmpcrypt_protocol_deps="!librtmp_protocol"

  2627. ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"

  2628. ffrtmpcrypt_protocol_select="tcp_protocol"

  2629. ffrtmphttp_protocol_deps="!librtmp_protocol"

  2630. ffrtmphttp_protocol_select="http_protocol"

  2631. ftp_protocol_select="tcp_protocol"

  2632. gopher_protocol_select="network"

  2633. http_protocol_select="tcp_protocol"

  2634. httpproxy_protocol_select="tcp_protocol"

  2635. https_protocol_select="tls_protocol"

  2636. icecast_protocol_select="http_protocol"

  2637. librtmp_protocol_deps="librtmp"

  2638. librtmpe_protocol_deps="librtmp"

  2639. librtmps_protocol_deps="librtmp"

  2640. librtmpt_protocol_deps="librtmp"

  2641. librtmpte_protocol_deps="librtmp"

  2642. libsmbclient_protocol_deps="libsmbclient gplv3"

  2643. libssh_protocol_deps="libssh"

  2644. mmsh_protocol_select="http_protocol"

  2645. mmst_protocol_select="network"

  2646. rtmp_protocol_deps="!librtmp_protocol"

  2647. rtmp_protocol_select="tcp_protocol"

  2648. rtmpe_protocol_select="ffrtmpcrypt_protocol"

  2649. rtmps_protocol_deps="!librtmp_protocol"

  2650. rtmps_protocol_select="tls_protocol"

  2651. rtmpt_protocol_select="ffrtmphttp_protocol"

  2652. rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"

  2653. rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"

  2654. rtp_protocol_select="udp_protocol"

  2655. sctp_protocol_deps="struct_sctp_event_subscribe"

  2656. sctp_protocol_select="network"

  2657. srtp_protocol_select="rtp_protocol"

  2658. tcp_protocol_select="network"

  2659. tls_gnutls_protocol_deps="gnutls !tls_securetransport_protocol"

  2660. tls_gnutls_protocol_select="tcp_protocol"

  2661. tls_openssl_protocol_deps="openssl !tls_securetransport_protocol !tls_gnutls_protocol"

  2662. tls_openssl_protocol_select="tcp_protocol"

  2663. tls_securetransport_protocol_deps="securetransport"

  2664. tls_securetransport_protocol_select="tcp_protocol"

  2665. tls_protocol_deps_any="tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"

  2666. udp_protocol_select="network"

  2667. udplite_protocol_select="network"

  2668. unix_protocol_deps="sys_un_h"

  2669. unix_protocol_select="network"

  2670. 

  2671. # filters

  2672. amovie_filter_deps="avcodec avformat"

  2673. aresample_filter_deps="swresample"

  2674. ass_filter_deps="libass"

  2675. asyncts_filter_deps="avresample"

  2676. atempo_filter_deps="avcodec"

  2677. atempo_filter_select="rdft"

  2678. azmq_filter_deps="libzmq"

  2679. blackframe_filter_deps="gpl"

  2680. boxblur_filter_deps="gpl"

  2681. bs2b_filter_deps="libbs2b"

  2682. colormatrix_filter_deps="gpl"

  2683. cover_rect_filter_deps="avcodec avformat gpl"

  2684. cropdetect_filter_deps="gpl"

  2685. delogo_filter_deps="gpl"

  2686. deshake_filter_select="pixelutils"

  2687. drawtext_filter_deps="libfreetype"

  2688. ebur128_filter_deps="gpl"

  2689. eq_filter_deps="gpl"

  2690. fftfilt_filter_deps="avcodec"

  2691. fftfilt_filter_select="rdft"

  2692. flite_filter_deps="libflite"

  2693. find_rect_filter_deps="avcodec avformat gpl"

  2694. frei0r_filter_deps="frei0r dlopen"

  2695. frei0r_src_filter_deps="frei0r dlopen"

  2696. fspp_filter_deps="gpl"

  2697. geq_filter_deps="gpl"

  2698. histeq_filter_deps="gpl"

  2699. hqdn3d_filter_deps="gpl"

  2700. interlace_filter_deps="gpl"

  2701. kerndeint_filter_deps="gpl"

  2702. ladspa_filter_deps="ladspa dlopen"

  2703. mcdeint_filter_deps="avcodec gpl"

  2704. movie_filter_deps="avcodec avformat"

  2705. mpdecimate_filter_deps="gpl"

  2706. mpdecimate_filter_select="pixelutils"

  2707. mptestsrc_filter_deps="gpl"

  2708. negate_filter_deps="lut_filter"

  2709. perspective_filter_deps="gpl"

  2710. pp7_filter_deps="gpl"

  2711. ocv_filter_deps="libopencv"

  2712. owdenoise_filter_deps="gpl"

  2713. pan_filter_deps="swresample"

  2714. phase_filter_deps="gpl"

  2715. pp_filter_deps="gpl postproc"

  2716. pullup_filter_deps="gpl"

  2717. removelogo_filter_deps="avcodec avformat swscale"

  2718. repeatfields_filter_deps="gpl"

  2719. resample_filter_deps="avresample"

  2720. sab_filter_deps="gpl swscale"

  2721. scale_filter_deps="swscale"

  2722. select_filter_select="pixelutils"

  2723. smartblur_filter_deps="gpl swscale"

  2724. showcqt_filter_deps="avcodec"

  2725. showcqt_filter_select="fft"

  2726. showspectrum_filter_deps="avcodec"

  2727. showspectrum_filter_select="rdft"

  2728. spp_filter_deps="gpl avcodec"

  2729. spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"

  2730. stereo3d_filter_deps="gpl"

  2731. subtitles_filter_deps="avformat avcodec libass"

  2732. super2xsai_filter_deps="gpl"

  2733. tinterlace_filter_deps="gpl"

  2734. vidstabdetect_filter_deps="libvidstab"

  2735. vidstabtransform_filter_deps="libvidstab"

  2736. pixfmts_super2xsai_test_deps="super2xsai_filter"

  2737. tinterlace_merge_test_deps="tinterlace_filter"

  2738. tinterlace_pad_test_deps="tinterlace_filter"

  2739. uspp_filter_deps="gpl avcodec"

  2740. zmq_filter_deps="libzmq"

  2741. zoompan_filter_deps="swscale"

  2742. 

  2743. # examples

  2744. avio_reading="avformat avcodec avutil"

  2745. avio_list_dir="avformat avutil"

  2746. avcodec_example_deps="avcodec avutil"

  2747. decoding_encoding_example_deps="avcodec avformat avutil"

  2748. demuxing_decoding_example_deps="avcodec avformat avutil"

  2749. extract_mvs_example_deps="avcodec avformat avutil"

  2750. filter_audio_example_deps="avfilter avutil"

  2751. filtering_audio_example_deps="avfilter avcodec avformat avutil"

  2752. filtering_video_example_deps="avfilter avcodec avformat avutil"

  2753. metadata_example_deps="avformat avutil"

  2754. muxing_example_deps="avcodec avformat avutil swscale"

  2755. qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"

  2756. remuxing_example_deps="avcodec avformat avutil"

  2757. resampling_audio_example_deps="avutil swresample"

  2758. scaling_video_example_deps="avutil swscale"

  2759. transcode_aac_example_deps="avcodec avformat swresample"

  2760. transcoding_example_deps="avfilter avcodec avformat avutil"

  2761. 

  2762. # libraries, in linking order

  2763. avcodec_deps="avutil"

  2764. avdevice_deps="avformat avcodec avutil"

  2765. avfilter_deps="avutil"

  2766. avformat_deps="avcodec avutil"

  2767. avresample_deps="avutil"

  2768. postproc_deps="avutil gpl"

  2769. swresample_deps="avutil"

  2770. swscale_deps="avutil"

  2771. 

  2772. # programs

  2773. ffmpeg_deps="avcodec avfilter avformat swresample"

  2774. ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter

  2775.                null_filter

  2776.                setpts_filter trim_filter"

  2777. ffplay_deps="avcodec avformat swscale swresample sdl"

  2778. ffplay_libs='$sdl_libs'

  2779. ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"

  2780. ffprobe_deps="avcodec avformat"

  2781. ffserver_deps="avformat fork sarestart"

  2782. ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"

  2783. 

  2784. # documentation

  2785. podpages_deps="perl"

  2786. manpages_deps="perl pod2man"

  2787. htmlpages_deps="perl"

  2788. htmlpages_deps_any="makeinfo_html texi2html"

  2789. txtpages_deps="perl makeinfo"

  2790. doc_deps_any="manpages htmlpages podpages txtpages"

  2791. 

  2792. # default parameters

  2793. 

  2794. logfile="config.log"

  2795. 

  2796. # installation paths

  2797. prefix_default="/usr/local"

  2798. bindir_default='${prefix}/bin'

  2799. datadir_default='${prefix}/share/ffmpeg'

  2800. docdir_default='${prefix}/share/doc/ffmpeg'

  2801. incdir_default='${prefix}/include'

  2802. libdir_default='${prefix}/lib'

  2803. mandir_default='${prefix}/share/man'

  2804. 

  2805. # toolchain

  2806. ar_default="ar"

  2807. cc_default="gcc"

  2808. cxx_default="g++"

  2809. host_cc_default="gcc"

  2810. cp_f="cp -f"

  2811. doxygen_default="doxygen"

  2812. install="install"

  2813. ln_s="ln -s -f"

  2814. nm_default="nm -g"

  2815. objformat="elf"

  2816. pkg_config_default=pkg-config

  2817. ranlib_default="ranlib"

  2818. strip_default="strip"

  2819. yasmexe_default="yasm"

  2820. windres_default="windres"

  2821. 

  2822. # OS

  2823. target_os_default=$(tolower $(uname -s))

  2824. host_os=$target_os_default

  2825. 

  2826. # machine

  2827. if test "$target_os_default" = aix; then

  2828.     arch_default=$(uname -p)

  2829.     strip_default="strip -X32_64"

  2830. else

  2831.     arch_default=$(uname -m)

  2832. fi

  2833. cpu="generic"

  2834. intrinsics="none"

  2835. 

  2836. # configurable options

  2837. enable $PROGRAM_LIST

  2838. enable $DOCUMENT_LIST

  2839. enable $EXAMPLE_LIST

  2840. enable $(filter_out avresample $LIBRARY_LIST)

  2841. enable stripping

  2842. 

  2843. enable asm

  2844. enable debug

  2845. enable doc

  2846. enable faan faandct faanidct

  2847. enable optimizations

  2848. enable runtime_cpudetect

  2849. enable safe_bitstream_reader

  2850. enable static

  2851. enable swscale_alpha

  2852. enable valgrind_backtrace

  2853. 

  2854. sws_max_filter_size_default=256

  2855. set_default sws_max_filter_size

  2856. 

  2857. # Enable hwaccels by default.

  2858. enable d3d11va dxva2 vaapi vda vdpau xvmc

  2859. enable xlib

  2860. 

  2861. # build settings

  2862. SHFLAGS='-shared -Wl,-soname,$$(@F)'

  2863. LIBPREF="lib"

  2864. LIBSUF=".a"

  2865. FULLNAME='$(NAME)$(BUILDSUF)'

  2866. LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'

  2867. SLIBPREF="lib"

  2868. SLIBSUF=".so"

  2869. SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'

  2870. SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'

  2871. SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'

  2872. LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'

  2873. SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'

  2874. SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'

  2875. 

  2876. asflags_filter=echo

  2877. cflags_filter=echo

  2878. ldflags_filter=echo

  2879. 

  2880. AS_C='-c'

  2881. AS_O='-o $@'

  2882. CC_C='-c'

  2883. CC_E='-E -o $@'

  2884. CC_O='-o $@'

  2885. CXX_C='-c'

  2886. CXX_O='-o $@'

  2887. LD_O='-o $@'

  2888. LD_LIB='-l%'

  2889. LD_PATH='-L'

  2890. HOSTCC_C='-c'

  2891. HOSTCC_E='-E -o $@'

  2892. HOSTCC_O='-o $@'

  2893. HOSTLD_O='-o $@'

  2894. 

  2895. host_libs='-lm'

  2896. host_cflags_filter=echo

  2897. host_ldflags_filter=echo

  2898. 

  2899. target_path='$(CURDIR)'

  2900. 

  2901. # since the object filename is not given with the -MM flag, the compiler

  2902. # is only able to print the basename, and we must add the path ourselves

  2903. DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'

  2904. DEPFLAGS='-MM'

  2905. 

  2906. # find source path

  2907. if test -f configure; then

  2908.     source_path=.

  2909. else

  2910.     source_path=$(cd $(dirname "$0"); pwd)

  2911.     echo "$source_path" | grep -q '[[:blank:]]' &&

  2912.         die "Out of tree builds are impossible with whitespace in source path."

  2913.     test -e "$source_path/config.h" &&

  2914.         die "Out of tree builds are impossible with config.h in source dir."

  2915. fi

  2916. 

  2917. for v in "$@"; do

  2918.     r=${v#*=}

  2919.     l=${v%"$r"}

  2920.     r=$(sh_quote "$r")

  2921.     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"

  2922. done

  2923. 

  2924. find_things(){

  2925.     thing=$1

  2926.     pattern=$2

  2927.     file=$source_path/$3

  2928.     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"

  2929. }

  2930. 

  2931. ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)

  2932. DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)

  2933. HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)

  2934. PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)

  2935. BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)

  2936. MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)

  2937. DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)

  2938. OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)

  2939. INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)

  2940. PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)

  2941. FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)

  2942. 

  2943. ALL_COMPONENTS="

  2944.     $BSF_LIST

  2945.     $DECODER_LIST

  2946.     $DEMUXER_LIST

  2947.     $ENCODER_LIST

  2948.     $FILTER_LIST

  2949.     $HWACCEL_LIST

  2950.     $INDEV_LIST

  2951.     $MUXER_LIST

  2952.     $OUTDEV_LIST

  2953.     $PARSER_LIST

  2954.     $PROTOCOL_LIST

  2955. "

  2956. 

  2957. for n in $COMPONENT_LIST; do

  2958.     v=$(toupper ${n%s})_LIST

  2959.     eval enable \$$v

  2960.     eval ${n}_if_any="\$$v"

  2961. done

  2962. 

  2963. enable $ARCH_EXT_LIST

  2964. 

  2965. die_unknown(){

  2966.     echo "Unknown option \"$1\"."

  2967.     echo "See $0 --help for available options."

  2968.     exit 1

  2969. }

  2970. 

  2971. print_3_columns() {

  2972.     cat | tr ' ' '\n' | sort | pr -r -3 -t

  2973. }

  2974. 

  2975. show_list() {

  2976.     suffix=_$1

  2977.     shift

  2978.     echo $* | sed s/$suffix//g | print_3_columns

  2979.     exit 0

  2980. }

  2981. 

  2982. rand_list(){

  2983.     IFS=', '

  2984.     set -- $*

  2985.     unset IFS

  2986.     for thing; do

  2987.         comp=${thing%:*}

  2988.         prob=${thing#$comp}

  2989.         prob=${prob#:}

  2990.         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST

  2991.         echo "prob ${prob:-0.5}"

  2992.         printf '%s\n' $comp

  2993.     done

  2994. }

  2995. 

  2996. do_random(){

  2997.     action=$1

  2998.     shift

  2999.     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")

  3000.     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")

  3001. }

  3002. 

  3003. for opt do

  3004.     optval="${opt#*=}"

  3005.     case "$opt" in

  3006.         --extra-ldflags=*)

  3007.             add_ldflags $optval

  3008.         ;;

  3009.         --extra-ldexeflags=*)

  3010.             add_ldexeflags $optval

  3011.         ;;

  3012.         --extra-libs=*)

  3013.             add_extralibs $optval

  3014.         ;;

  3015.         --disable-devices)

  3016.             disable $INDEV_LIST $OUTDEV_LIST

  3017.         ;;

  3018.         --enable-debug=*)

  3019.             debuglevel="$optval"

  3020.         ;;

  3021.         --disable-programs)

  3022.             disable $PROGRAM_LIST

  3023.         ;;

  3024.         --disable-everything)

  3025.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3026.         ;;

  3027.         --disable-all)

  3028.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3029.             disable $LIBRARY_LIST $PROGRAM_LIST doc

  3030.         ;;

  3031.         --enable-random|--disable-random)

  3032.             action=${opt%%-random}

  3033.             do_random ${action#--} $COMPONENT_LIST

  3034.         ;;

  3035.         --enable-random=*|--disable-random=*)

  3036.             action=${opt%%-random=*}

  3037.             do_random ${action#--} $optval

  3038.         ;;

  3039.         --enable-*=*|--disable-*=*)

  3040.             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')

  3041.             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"

  3042.             eval list=\$$(toupper $thing)_LIST

  3043.             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}

  3044.             list=$(filter "$name" $list)

  3045.             [ "$list" = "" ] && warn "Option $opt did not match anything"

  3046.             $action $list

  3047.         ;;

  3048.         --enable-?*|--disable-?*)

  3049.             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')

  3050.             if is_in $option $COMPONENT_LIST; then

  3051.                 test $action = disable && action=unset

  3052.                 eval $action \$$(toupper ${option%s})_LIST

  3053.             elif is_in $option $CMDLINE_SELECT; then

  3054.                 $action $option

  3055.             else

  3056.                 die_unknown $opt

  3057.             fi

  3058.         ;;

  3059.         --list-*)

  3060.             NAME="${opt#--list-}"

  3061.             is_in $NAME $COMPONENT_LIST || die_unknown $opt

  3062.             NAME=${NAME%s}

  3063.             eval show_list $NAME \$$(toupper $NAME)_LIST

  3064.         ;;

  3065.         --help|-h) show_help

  3066.         ;;

  3067.         --fatal-warnings) enable fatal_warnings

  3068.         ;;

  3069.         *)

  3070.             optname="${opt%%=*}"

  3071.             optname="${optname#--}"

  3072.             optname=$(echo "$optname" | sed 's/-/_/g')

  3073.             if is_in $optname $CMDLINE_SET; then

  3074.                 eval $optname='$optval'

  3075.             elif is_in $optname $CMDLINE_APPEND; then

  3076.                 append $optname "$optval"

  3077.             else

  3078.                 die_unknown $opt

  3079.             fi

  3080.         ;;

  3081.     esac

  3082. done

  3083. 

  3084. for e in $env; do

  3085.     eval "export $e"

  3086. done

  3087. 

  3088. disabled logging && logfile=/dev/null

  3089. 

  3090. echo "# $0 $FFMPEG_CONFIGURATION" > $logfile

  3091. set >> $logfile

  3092. 

  3093. test -n "$valgrind" && toolchain="valgrind-memcheck"

  3094. 

  3095. case "$toolchain" in

  3096.     clang-asan)

  3097.         cc_default="clang"

  3098.         add_cflags  -fsanitize=address

  3099.         add_ldflags -fsanitize=address

  3100.     ;;

  3101.     clang-tsan)

  3102.         cc_default="clang"

  3103.         add_cflags  -fsanitize=thread -pie

  3104.         add_ldflags -fsanitize=thread -pie

  3105.     ;;

  3106.     clang-usan)

  3107.         cc_default="clang"

  3108.         add_cflags  -fsanitize=undefined

  3109.         add_ldflags -fsanitize=undefined

  3110.     ;;

  3111.     gcc-asan)

  3112.         cc_default="gcc"

  3113.         add_cflags  -fsanitize=address

  3114.         add_ldflags -fsanitize=address

  3115.     ;;

  3116.     gcc-tsan)

  3117.         cc_default="gcc"

  3118.         add_cflags  -fsanitize=thread -pie -fPIC

  3119.         add_ldflags -fsanitize=thread -pie -fPIC

  3120.     ;;

  3121.     gcc-usan)

  3122.         cc_default="gcc"

  3123.         add_cflags  -fsanitize=undefined

  3124.         add_ldflags -fsanitize=undefined

  3125.     ;;

  3126.     valgrind-massif)

  3127.         target_exec_default=${valgrind:-"valgrind"}

  3128.         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"

  3129.     ;;

  3130.     valgrind-memcheck)

  3131.         target_exec_default=${valgrind:-"valgrind"}

  3132.         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"

  3133.     ;;

  3134.     msvc)

  3135.         # Check whether the current MSVC version needs the C99 converter.

  3136.         # From MSVC 2013 (compiler major version 18) onwards, it does actually

  3137.         # support enough of C99 to build ffmpeg. Default to the new

  3138.         # behaviour if the regexp was unable to match anything, since this

  3139.         # successfully parses the version number of existing supported

  3140.         # versions that require the converter (MSVC 2010 and 2012).

  3141.         cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')

  3142.         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then

  3143.             cc_default="cl"

  3144.         else

  3145.             cc_default="c99wrap cl"

  3146.         fi

  3147.         ld_default="link"

  3148.         nm_default="dumpbin -symbols"

  3149.         ar_default="lib"

  3150.         target_os_default="win32"

  3151.         # Use a relative path for TMPDIR. This makes sure all the

  3152.         # ffconf temp files are written with a relative path, avoiding

  3153.         # issues with msys/win32 path conversion for MSVC parameters

  3154.         # such as -Fo<file> or -out:<file>.

  3155.         TMPDIR=.

  3156.     ;;

  3157.     icl)

  3158.         cc_default="icl"

  3159.         ld_default="xilink"

  3160.         nm_default="dumpbin -symbols"

  3161.         ar_default="xilib"

  3162.         target_os_default="win32"

  3163.         TMPDIR=.

  3164.     ;;

  3165.     gcov)

  3166.         add_cflags  -fprofile-arcs -ftest-coverage

  3167.         add_ldflags -fprofile-arcs -ftest-coverage

  3168.     ;;

  3169.     hardened)

  3170.         add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2

  3171.         add_cflags   -fno-strict-overflow -fstack-protector-all

  3172.         add_ldflags  -Wl,-z,relro -Wl,-z,now

  3173.     ;;

  3174.     ?*)

  3175.         die "Unknown toolchain $toolchain"

  3176.     ;;

  3177. esac

  3178. 

  3179. test -n "$cross_prefix" && enable cross_compile

  3180. 

  3181. if enabled cross_compile; then

  3182.     test -n "$arch" && test -n "$target_os" ||

  3183.         die "Must specify target arch and OS when cross-compiling"

  3184. fi

  3185. 

  3186. ar_default="${cross_prefix}${ar_default}"

  3187. cc_default="${cross_prefix}${cc_default}"

  3188. cxx_default="${cross_prefix}${cxx_default}"

  3189. nm_default="${cross_prefix}${nm_default}"

  3190. pkg_config_default="${cross_prefix}${pkg_config_default}"

  3191. if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then

  3192.     ranlib_default="${cross_prefix}${ranlib_default} -D"

  3193. else

  3194.     ranlib_default="${cross_prefix}${ranlib_default}"

  3195. fi

  3196. strip_default="${cross_prefix}${strip_default}"

  3197. windres_default="${cross_prefix}${windres_default}"

  3198. 

  3199. sysinclude_default="${sysroot}/usr/include"

  3200. 

  3201. set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \

  3202.     target_exec target_os yasmexe

  3203. enabled cross_compile || host_cc_default=$cc

  3204. set_default host_cc

  3205. 

  3206. pkg_config_fail_message=""

  3207. if ! $pkg_config --version >/dev/null 2>&1; then

  3208.     warn "$pkg_config not found, library detection may fail."

  3209.     pkg_config=false

  3210. elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then

  3211.     pkg_config_fail_message="

  3212. Note: When building a static binary, add --pkg-config-flags=\"--static\"."

  3213. fi

  3214. 

  3215. if test $doxygen != $doxygen_default && \

  3216.   ! $doxygen --version >/dev/null 2>&1; then

  3217.     warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."

  3218. fi

  3219. 

  3220. exesuf() {

  3221.     case $1 in

  3222.         mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;

  3223.     esac

  3224. }

  3225. 

  3226. EXESUF=$(exesuf $target_os)

  3227. HOSTEXESUF=$(exesuf $host_os)

  3228. 

  3229. # set temporary file name

  3230. : ${TMPDIR:=$TEMPDIR}

  3231. : ${TMPDIR:=$TMP}

  3232. : ${TMPDIR:=/tmp}

  3233. 

  3234. if [ -n "$tempprefix" ] ; then

  3235.     mktemp(){

  3236.         echo $tempprefix.${HOSTNAME}.${UID}

  3237.     }

  3238. elif ! check_cmd mktemp -u XXXXXX; then

  3239.     # simple replacement for missing mktemp

  3240.     # NOT SAFE FOR GENERAL USE

  3241.     mktemp(){

  3242.         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"

  3243.     }

  3244. fi

  3245. 

  3246. tmpfile(){

  3247.     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&

  3248.         (set -C; exec > $tmp) 2>/dev/null ||

  3249.         die "Unable to create temporary file in $TMPDIR."

  3250.     append TMPFILES $tmp

  3251.     eval $1=$tmp

  3252. }

  3253. 

  3254. trap 'rm -f -- $TMPFILES' EXIT

  3255. 

  3256. tmpfile TMPASM .asm

  3257. tmpfile TMPC   .c

  3258. tmpfile TMPCPP .cpp

  3259. tmpfile TMPE   $EXESUF

  3260. tmpfile TMPH   .h

  3261. tmpfile TMPM   .m

  3262. tmpfile TMPO   .o

  3263. tmpfile TMPS   .S

  3264. tmpfile TMPSH  .sh

  3265. tmpfile TMPV   .ver

  3266. 

  3267. unset -f mktemp

  3268. 

  3269. chmod +x $TMPE

  3270. 

  3271. # make sure we can execute files in $TMPDIR

  3272. cat > $TMPSH 2>> $logfile <<EOF

  3273. #! /bin/sh

  3274. EOF

  3275. chmod +x $TMPSH >> $logfile 2>&1

  3276. if ! $TMPSH >> $logfile 2>&1; then

  3277.     cat <<EOF

  3278. Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment

  3279. variable to another directory and make sure that it is not mounted noexec.

  3280. EOF

  3281.     die "Sanity test failed."

  3282. fi

  3283. 

  3284. armasm_flags(){

  3285.     for flag; do

  3286.         case $flag in

  3287.             # Filter out MSVC cl.exe options from cflags that shouldn't

  3288.             # be passed to gas-preprocessor

  3289.             -M[TD]*)                                            ;;

  3290.             *)                  echo $flag                      ;;

  3291.         esac

  3292.    done

  3293. }

  3294. 

  3295. ccc_flags(){

  3296.     for flag; do

  3297.         case $flag in

  3298.             -std=c99)           echo -c99                       ;;

  3299.             -mcpu=*)            echo -arch ${flag#*=}           ;;

  3300.             -mieee)             echo -ieee                      ;;

  3301.             -O*|-fast)          echo $flag                      ;;

  3302.             -fno-math-errno)    echo -assume nomath_errno       ;;

  3303.             -g)                 echo -g3                        ;;

  3304.             -Wall)              echo -msg_enable level2         ;;

  3305.             -Wno-pointer-sign)  echo -msg_disable ptrmismatch1  ;;

  3306.             -Wl,*)              echo $flag                      ;;

  3307.             -f*|-W*)                                            ;;

  3308.             *)                  echo $flag                      ;;

  3309.         esac

  3310.    done

  3311. }

  3312. 

  3313. cparser_flags(){

  3314.     for flag; do

  3315.         case $flag in

  3316.             -Wno-switch)             echo -Wno-switch-enum ;;

  3317.             -Wno-format-zero-length) ;;

  3318.             -Wdisabled-optimization) ;;

  3319.             -Wno-pointer-sign)       echo -Wno-other ;;

  3320.             *)                       echo $flag ;;

  3321.         esac

  3322.     done

  3323. }

  3324. 

  3325. msvc_common_flags(){

  3326.     for flag; do

  3327.         case $flag in

  3328.             # In addition to specifying certain flags under the compiler

  3329.             # specific filters, they must be specified here as well or else the

  3330.             # generic catch all at the bottom will print the original flag.

  3331.             -Wall)                ;;

  3332.             -std=c99)             ;;

  3333.             # Common flags

  3334.             -fomit-frame-pointer) ;;

  3335.             -g)                   echo -Z7 ;;

  3336.             -fno-math-errno)      ;;

  3337.             -fno-common)          ;;

  3338.             -fno-signed-zeros)    ;;

  3339.             -fPIC)                ;;

  3340.             -mthumb)              ;;

  3341.             -march=*)             ;;

  3342.             -lz)                  echo zlib.lib ;;

  3343.             -lavifil32)           echo vfw32.lib ;;

  3344.             -lavicap32)           echo vfw32.lib user32.lib ;;

  3345.             -l*)                  echo ${flag#-l}.lib ;;

  3346.             -L*)                  echo -libpath:${flag#-L} ;;

  3347.             *)                    echo $flag ;;

  3348.         esac

  3349.     done

  3350. }

  3351. 

  3352. msvc_flags(){

  3353.     msvc_common_flags "$@"

  3354.     for flag; do

  3355.         case $flag in

  3356.             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389     \

  3357.                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \

  3358.                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \

  3359.                                        -wd4307 \

  3360.                                        -wd4273 -wd4554 -wd4701 ;;

  3361.         esac

  3362.     done

  3363. }

  3364. 

  3365. icl_flags(){

  3366.     msvc_common_flags "$@"

  3367.     for flag; do

  3368.         case $flag in

  3369.             # Despite what Intel's documentation says -Wall, which is supported

  3370.             # on Windows, does enable remarks so disable them here.

  3371.             -Wall)                echo $flag -Qdiag-disable:remark ;;

  3372.             -std=c99)             echo -Qstd=c99 ;;

  3373.             -flto)                echo -ipo ;;

  3374.         esac

  3375.     done

  3376. }

  3377. 

  3378. icc_flags(){

  3379.     for flag; do

  3380.         case $flag in

  3381.             -flto)                echo -ipo ;;

  3382.             *)                    echo $flag ;;

  3383.         esac

  3384.     done

  3385. }

  3386. 

  3387. pgi_flags(){

  3388.     for flag; do

  3389.         case $flag in

  3390.             -flto)                echo -Mipa=fast,libopt,libinline,vestigial ;;

  3391.             -fomit-frame-pointer) echo -Mnoframe ;;

  3392.             -g)                   echo -gopt ;;

  3393.             *)                    echo $flag ;;

  3394.         esac

  3395.     done

  3396. }

  3397. 

  3398. suncc_flags(){

  3399.     for flag; do

  3400.         case $flag in

  3401.             -march=*|-mcpu=*)

  3402.                 case "${flag#*=}" in

  3403.                     native)                   echo -xtarget=native       ;;

  3404.                     v9|niagara)               echo -xarch=sparc          ;;

  3405.                     ultrasparc)               echo -xarch=sparcvis       ;;

  3406.                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;

  3407.                     i586|pentium)             echo -xchip=pentium        ;;

  3408.                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;

  3409.                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;

  3410.                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;

  3411.                     pentium4*)          echo -xtarget=pentium4           ;;

  3412.                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;

  3413.                     *-sse3)             echo -xarch=sse3                 ;;

  3414.                     core2)              echo -xarch=ssse3 -xchip=core2   ;;

  3415.                     bonnell)                   echo -xarch=ssse3         ;;

  3416.                     corei7|nehalem)            echo -xtarget=nehalem     ;;

  3417.                     westmere)                  echo -xtarget=westmere    ;;

  3418.                     silvermont)                echo -xarch=sse4_2        ;;

  3419.                     corei7-avx|sandybridge)    echo -xtarget=sandybridge ;;

  3420.                     core-avx*|ivybridge|haswell|broadwell)

  3421.                                                echo -xarch=avx           ;;

  3422.                     amdfam10|barcelona)        echo -xtarget=barcelona   ;;

  3423.                     btver1)                    echo -xarch=amdsse4a      ;;

  3424.                     btver2|bdver*)             echo -xarch=avx           ;;

  3425.                     athlon-4|athlon-[mx]p)     echo -xarch=ssea          ;;

  3426.                     k8|opteron|athlon64|athlon-fx)

  3427.                                                echo -xarch=sse2a         ;;

  3428.                     athlon*)                   echo -xarch=pentium_proa  ;;

  3429.                 esac

  3430.                 ;;

  3431.             -std=c99)             echo -xc99              ;;

  3432.             -fomit-frame-pointer) echo -xregs=frameptr    ;;

  3433.             -fPIC)                echo -KPIC -xcode=pic32 ;;

  3434.             -W*,*)                echo $flag              ;;

  3435.             -f*-*|-W*|-mimpure-text)                      ;;

  3436.             -shared)              echo -G                 ;;

  3437.             *)                    echo $flag              ;;

  3438.         esac

  3439.     done

  3440. }

  3441. 

  3442. tms470_flags(){

  3443.     for flag; do

  3444.         case $flag in

  3445.             -march=*|-mcpu=*)

  3446.                 case "${flag#*=}" in

  3447.                     armv7-a|cortex-a*)      echo -mv=7a8 ;;

  3448.                     armv7-r|cortex-r*)      echo -mv=7r4 ;;

  3449.                     armv7-m|cortex-m*)      echo -mv=7m3 ;;

  3450.                     armv6*|arm11*)          echo -mv=6   ;;

  3451.                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])

  3452.                                             echo -mv=5e  ;;

  3453.                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;

  3454.                 esac

  3455.                 ;;

  3456.             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;

  3457.             -mfpu=vfp)      echo --float_support=vfpv2        ;;

  3458.             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;

  3459.             -mfpu=vfpv3-d16) echo --float_support=vfpv3d16    ;;

  3460.             -msoft-float)   echo --float_support=vfplib       ;;

  3461.             -O[0-3]|-mf=*)  echo $flag                        ;;

  3462.             -g)             echo -g -mn                       ;;

  3463.             -pds=*)         echo $flag                        ;;

  3464.             -D*|-I*)        echo $flag                        ;;

  3465.             --gcc|--abi=*)  echo $flag                        ;;

  3466.             -me)            echo $flag                        ;;

  3467.         esac

  3468.     done

  3469. }

  3470. 

  3471. probe_cc(){

  3472.     pfx=$1

  3473.     _cc=$2

  3474. 

  3475.     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags

  3476.     unset _ld_o _ldflags _ld_lib _ld_path

  3477.     unset _depflags _DEPCMD _DEPFLAGS

  3478.     _flags_filter=echo

  3479. 

  3480.     if $_cc --version 2>&1 | grep -q '^GNU assembler'; then

  3481.         true # no-op to avoid reading stdin in following checks

  3482.     elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then

  3483.         _type=llvm_gcc

  3484.         gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')

  3485.         _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"

  3486.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3487.         _cflags_speed='-O3'

  3488.         _cflags_size='-Os'

  3489.     elif $_cc -v 2>&1 | grep -qi ^gcc; then

  3490.         _type=gcc

  3491.         gcc_version=$($_cc --version | head -n1)

  3492.         gcc_basever=$($_cc -dumpversion)

  3493.         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')

  3494.         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")

  3495.         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")

  3496.         if ! $_cc -dumpversion | grep -q '^2\.'; then

  3497.             _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3498.         fi

  3499.         _cflags_speed='-O3'

  3500.         _cflags_size='-Os'

  3501.     elif $_cc --version 2>/dev/null | grep -q ^icc; then

  3502.         _type=icc

  3503.         _ident=$($_cc --version | head -n1)

  3504.         _depflags='-MMD'

  3505.         _cflags_speed='-O3'

  3506.         _cflags_size='-Os'

  3507.         _cflags_noopt='-O1'

  3508.         _flags_filter=icc_flags

  3509.     elif $_cc -v 2>&1 | grep -q xlc; then

  3510.         _type=xlc

  3511.         _ident=$($_cc -qversion 2>/dev/null | head -n1)

  3512.         _cflags_speed='-O5'

  3513.         _cflags_size='-O5 -qcompact'

  3514.     elif $_cc -V 2>/dev/null | grep -q Compaq; then

  3515.         _type=ccc

  3516.         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)

  3517.         _DEPFLAGS='-M'

  3518.         _cflags_speed='-fast'

  3519.         _cflags_size='-O1'

  3520.         _flags_filter=ccc_flags

  3521.     elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then

  3522.         test -d "$sysroot" || die "No valid sysroot specified."

  3523.         _type=armcc

  3524.         _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')

  3525.         armcc_conf="$PWD/armcc.conf"

  3526.         $_cc --arm_linux_configure                 \

  3527.              --arm_linux_config_file="$armcc_conf" \

  3528.              --configure_sysroot="$sysroot"        \

  3529.              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||

  3530.              die "Error creating armcc configuration file."

  3531.         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc

  3532.         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"

  3533.         as_default="${cross_prefix}gcc"

  3534.         _depflags='-MMD'

  3535.         _cflags_speed='-O3'

  3536.         _cflags_size='-Os'

  3537.     elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then

  3538.         _type=tms470

  3539.         _ident=$($_cc -version | head -n1 | tr -s ' ')

  3540.         _flags='--gcc --abi=eabi -me'

  3541.         _cc_e='-ppl -fe=$@'

  3542.         _cc_o='-fe=$@'

  3543.         _depflags='-ppa -ppd=$(@:.o=.d)'

  3544.         _cflags_speed='-O3 -mf=5'

  3545.         _cflags_size='-O3 -mf=2'

  3546.         _flags_filter=tms470_flags

  3547.     elif $_cc -v 2>&1 | grep -q clang; then

  3548.         _type=clang

  3549.         _ident=$($_cc --version | head -n1)

  3550.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3551.         _cflags_speed='-O3'

  3552.         _cflags_size='-Os'

  3553.     elif $_cc -V 2>&1 | grep -q Sun; then

  3554.         _type=suncc

  3555.         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)

  3556.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'

  3557.         _DEPFLAGS='-xM1 -xc99'

  3558.         _ldflags='-std=c99'

  3559.         _cflags_speed='-O5'

  3560.         _cflags_size='-O5 -xspace'

  3561.         _flags_filter=suncc_flags

  3562.     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then

  3563.         _type=pathscale

  3564.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  3565.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3566.         _cflags_speed='-O2'

  3567.         _cflags_size='-Os'

  3568.         _flags_filter='filter_out -Wdisabled-optimization'

  3569.     elif $_cc -v 2>&1 | grep -q Open64; then

  3570.         _type=open64

  3571.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  3572.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3573.         _cflags_speed='-O2'

  3574.         _cflags_size='-Os'

  3575.         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'

  3576.     elif $_cc -V 2>&1 | grep -q Portland; then

  3577.         _type=pgi

  3578.         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"

  3579.         opt_common='-alias=ansi -Mdse -Mlre -Mpre'

  3580.         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"

  3581.         _cflags_size="-O2 -Munroll=c:1 $opt_common"

  3582.         _cflags_noopt="-O"

  3583.         _flags_filter=pgi_flags

  3584.     elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then

  3585.         _type=armasm

  3586.         _ident=$($_cc | head -n1)

  3587.         # 4509: "This form of conditional instruction is deprecated"

  3588.         _flags="-nologo -ignore 4509"

  3589.         _flags_filter=armasm_flags

  3590.     elif $_cc 2>&1 | grep -q Intel; then

  3591.         _type=icl

  3592.         _ident=$($_cc 2>&1 | head -n1)

  3593.         _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'

  3594.         # Not only is O3 broken on 13.x+ but it is slower on all previous

  3595.         # versions (tested) as well.

  3596.         _cflags_speed="-O2"

  3597.         _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff

  3598.         if $_cc 2>&1 | grep -q Linker; then

  3599.             _ld_o='-out:$@'

  3600.         else

  3601.             _ld_o='-Fe$@'

  3602.         fi

  3603.         _cc_o='-Fo$@'

  3604.         _cc_e='-P'

  3605.         _flags_filter=icl_flags

  3606.         _ld_lib='lib%.a'

  3607.         _ld_path='-libpath:'

  3608.         # -Qdiag-error to make icl error when seeing certain unknown arguments

  3609.         _flags='-nologo -Qdiag-error:4044,10157'

  3610.         # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency

  3611.         # with MSVC which enables it by default.

  3612.         _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS -fp:precise'

  3613.         disable stripping

  3614.     elif $_cc 2>&1 | grep -q Microsoft; then

  3615.         _type=msvc

  3616.         _ident=$($_cc 2>&1 | head -n1)

  3617.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'

  3618.         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'

  3619.         _cflags_speed="-O2"

  3620.         _cflags_size="-O1"

  3621.         if $_cc 2>&1 | grep -q Linker; then

  3622.             _ld_o='-out:$@'

  3623.         else

  3624.             _ld_o='-Fe$@'

  3625.         fi

  3626.         _cc_o='-Fo$@'

  3627.         _cc_e='-P -Fi$@'

  3628.         _flags_filter=msvc_flags

  3629.         _ld_lib='lib%.a'

  3630.         _ld_path='-libpath:'

  3631.         _flags='-nologo'

  3632.         _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'

  3633.         disable stripping

  3634.     elif $_cc --version 2>/dev/null | grep -q ^cparser; then

  3635.         _type=cparser

  3636.         _ident=$($_cc --version | head -n1)

  3637.         _depflags='-MMD'

  3638.         _cflags_speed='-O4'

  3639.         _cflags_size='-O2'

  3640.         _flags_filter=cparser_flags

  3641.     fi

  3642. 

  3643.     eval ${pfx}_type=\$_type

  3644.     eval ${pfx}_ident=\$_ident

  3645. }

  3646. 

  3647. set_ccvars(){

  3648.     eval ${1}_C=\${_cc_c-\${${1}_C}}

  3649.     eval ${1}_E=\${_cc_e-\${${1}_E}}

  3650.     eval ${1}_O=\${_cc_o-\${${1}_O}}

  3651. 

  3652.     if [ -n "$_depflags" ]; then

  3653.         eval ${1}_DEPFLAGS=\$_depflags

  3654.     else

  3655.         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}

  3656.         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}

  3657.         eval DEP${1}FLAGS=\$_flags

  3658.     fi

  3659. }

  3660. 

  3661. probe_cc cc "$cc"

  3662. cflags_filter=$_flags_filter

  3663. cflags_speed=$_cflags_speed

  3664. cflags_size=$_cflags_size

  3665. cflags_noopt=$_cflags_noopt

  3666. add_cflags $_flags $_cflags

  3667. cc_ldflags=$_ldflags

  3668. set_ccvars CC

  3669. 

  3670. probe_cc hostcc "$host_cc"

  3671. host_cflags_filter=$_flags_filter

  3672. add_host_cflags  $_flags $_cflags

  3673. set_ccvars HOSTCC

  3674. 

  3675. test -n "$cc_type" && enable $cc_type ||

  3676.     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"

  3677. 

  3678. : ${as_default:=$cc}

  3679. : ${dep_cc_default:=$cc}

  3680. : ${ld_default:=$cc}

  3681. : ${host_ld_default:=$host_cc}

  3682. set_default ar as dep_cc ld host_ld windres

  3683. 

  3684. probe_cc as "$as"

  3685. asflags_filter=$_flags_filter

  3686. add_asflags $_flags $_cflags

  3687. set_ccvars AS

  3688. 

  3689. probe_cc ld "$ld"

  3690. ldflags_filter=$_flags_filter

  3691. add_ldflags $_flags $_ldflags

  3692. test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags

  3693. LD_O=${_ld_o-$LD_O}

  3694. LD_LIB=${_ld_lib-$LD_LIB}

  3695. LD_PATH=${_ld_path-$LD_PATH}

  3696. 

  3697. probe_cc hostld "$host_ld"

  3698. host_ldflags_filter=$_flags_filter

  3699. add_host_ldflags $_flags $_ldflags

  3700. HOSTLD_O=${_ld_o-$HOSTLD_O}

  3701. 

  3702. if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then

  3703.     probe_cc depcc "$dep_cc"

  3704.     CCDEP=${_DEPCMD:-$DEPCMD}

  3705.     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}

  3706.     DEPCCFLAGS=$_flags

  3707. fi

  3708. 

  3709. if $ar 2>&1 | grep -q Microsoft; then

  3710.     arflags="-nologo"

  3711.     ar_o='-out:$@'

  3712. elif $ar 2>&1 | grep -q 'Texas Instruments'; then

  3713.     arflags="rq"

  3714.     ar_o='$@'

  3715. elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then

  3716.     arflags='-Xany -r -c'

  3717.     ar_o='$@'

  3718. elif $ar 2>&1 | grep -q "\[D\] "; then

  3719.     arflags="rcD"

  3720.     ar_o='$@'

  3721. else

  3722.     arflags="rc"

  3723.     ar_o='$@'

  3724. fi

  3725. 

  3726. add_cflags $extra_cflags

  3727. add_cxxflags $extra_cxxflags

  3728. add_asflags $extra_cflags

  3729. 

  3730. if test -n "$sysroot"; then

  3731.     case "$cc_type" in

  3732.         gcc|llvm_gcc|clang)

  3733.             add_cppflags --sysroot="$sysroot"

  3734.             add_ldflags --sysroot="$sysroot"

  3735. # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking

  3736.             add_cppflags -isysroot "$sysroot"

  3737.             add_ldflags -isysroot "$sysroot"

  3738.         ;;

  3739.         tms470)

  3740.             add_cppflags -I"$sysinclude"

  3741.             add_ldflags  --sysroot="$sysroot"

  3742.         ;;

  3743.     esac

  3744. fi

  3745. 

  3746. if test "$cpu" = host; then

  3747.     enabled cross_compile &&

  3748.         die "--cpu=host makes no sense when cross-compiling."

  3749. 

  3750.     case "$cc_type" in

  3751.         gcc|llvm_gcc)

  3752.             check_native(){

  3753.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  3754.                 sed -n "/cc1.*$1=/{

  3755.                             s/.*$1=\\([^ ]*\\).*/\\1/

  3756.                             p

  3757.                             q

  3758.                         }" $TMPE

  3759.             }

  3760.             cpu=$(check_native -march || check_native -mcpu)

  3761.         ;;

  3762.     esac

  3763. 

  3764.     test "${cpu:-host}" = host &&

  3765.         die "--cpu=host not supported with compiler $cc"

  3766. fi

  3767. 

  3768. # Deal with common $arch aliases

  3769. case "$arch" in

  3770.     aarch64|arm64)

  3771.         arch="aarch64"

  3772.     ;;

  3773.     arm*|iPad*|iPhone*)

  3774.         arch="arm"

  3775.     ;;

  3776.     mips*|IP*)

  3777.         arch="mips"

  3778.     ;;

  3779.     parisc*|hppa*)

  3780.         arch="parisc"

  3781.     ;;

  3782.     "Power Macintosh"|ppc*|powerpc*)

  3783.         arch="ppc"

  3784.     ;;

  3785.     s390|s390x)

  3786.         arch="s390"

  3787.     ;;

  3788.     sh4|sh)

  3789.         arch="sh4"

  3790.     ;;

  3791.     sun4u|sparc*)

  3792.         arch="sparc"

  3793.     ;;

  3794.     tilegx|tile-gx)

  3795.         arch="tilegx"

  3796.     ;;

  3797.     i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)

  3798.         arch="x86"

  3799.     ;;

  3800. esac

  3801. 

  3802. is_in $arch $ARCH_LIST || warn "unknown architecture $arch"

  3803. enable $arch

  3804. 

  3805. # Add processor-specific flags

  3806. if enabled aarch64; then

  3807. 

  3808.     case $cpu in

  3809.         armv*)

  3810.             cpuflags="-march=$cpu"

  3811.         ;;

  3812.         *)

  3813.             cpuflags="-mcpu=$cpu"

  3814.         ;;

  3815.     esac

  3816. 

  3817. elif enabled alpha; then

  3818. 

  3819.     cpuflags="-mcpu=$cpu"

  3820. 

  3821. elif enabled arm; then

  3822. 

  3823.     check_arm_arch() {

  3824.         check_cpp_condition stddef.h \

  3825.             "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \

  3826.             $cpuflags

  3827.     }

  3828. 

  3829.     probe_arm_arch() {

  3830.         if   check_arm_arch 4;        then echo armv4;

  3831.         elif check_arm_arch 4T;       then echo armv4t;

  3832.         elif check_arm_arch 5;        then echo armv5;

  3833.         elif check_arm_arch 5E;       then echo armv5e;

  3834.         elif check_arm_arch 5T;       then echo armv5t;

  3835.         elif check_arm_arch 5TE;      then echo armv5te;

  3836.         elif check_arm_arch 5TEJ;     then echo armv5te;

  3837.         elif check_arm_arch 6;        then echo armv6;

  3838.         elif check_arm_arch 6J;       then echo armv6j;

  3839.         elif check_arm_arch 6K;       then echo armv6k;

  3840.         elif check_arm_arch 6Z;       then echo armv6z;

  3841.         elif check_arm_arch 6ZK;      then echo armv6zk;

  3842.         elif check_arm_arch 6T2;      then echo armv6t2;

  3843.         elif check_arm_arch 7;        then echo armv7;

  3844.         elif check_arm_arch 7A  7_A;  then echo armv7-a;

  3845.         elif check_arm_arch 7S;       then echo armv7-a;

  3846.         elif check_arm_arch 7R  7_R;  then echo armv7-r;

  3847.         elif check_arm_arch 7M  7_M;  then echo armv7-m;

  3848.         elif check_arm_arch 7EM 7E_M; then echo armv7-m;

  3849.         elif check_arm_arch 8A  8_A;  then echo armv8-a;

  3850.         fi

  3851.     }

  3852. 

  3853.     [ "$cpu" = generic ] && cpu=$(probe_arm_arch)

  3854. 

  3855.     case $cpu in

  3856.         armv*)

  3857.             cpuflags="-march=$cpu"

  3858.             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')

  3859.         ;;

  3860.         *)

  3861.             cpuflags="-mcpu=$cpu"

  3862.             case $cpu in

  3863.                 cortex-a*)                               subarch=armv7a  ;;

  3864.                 cortex-r*)                               subarch=armv7r  ;;

  3865.                 cortex-m*)                 enable thumb; subarch=armv7m  ;;

  3866.                 arm11*)                                  subarch=armv6   ;;

  3867.                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;

  3868.                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;

  3869.                 *)                             subarch=$(probe_arm_arch) ;;

  3870.             esac

  3871.         ;;

  3872.     esac

  3873. 

  3874.     case "$subarch" in

  3875.         armv5t*)    enable fast_clz                ;;

  3876.         armv[6-8]*)

  3877.             enable fast_clz

  3878.             disabled fast_unaligned || enable fast_unaligned

  3879.             ;;

  3880.     esac

  3881. 

  3882. elif enabled avr32; then

  3883. 

  3884.     case $cpu in

  3885.         ap7[02]0[0-2])

  3886.             subarch="avr32_ap"

  3887.             cpuflags="-mpart=$cpu"

  3888.         ;;

  3889.         ap)

  3890.             subarch="avr32_ap"

  3891.             cpuflags="-march=$cpu"

  3892.         ;;

  3893.         uc3[ab]*)

  3894.             subarch="avr32_uc"

  3895.             cpuflags="-mcpu=$cpu"

  3896.         ;;

  3897.         uc)

  3898.             subarch="avr32_uc"

  3899.             cpuflags="-march=$cpu"

  3900.         ;;

  3901.     esac

  3902. 

  3903. elif enabled bfin; then

  3904. 

  3905.     cpuflags="-mcpu=$cpu"

  3906. 

  3907. elif enabled mips; then

  3908. 

  3909.     cpuflags="-march=$cpu"

  3910. 

  3911.     case $cpu in

  3912.         24kc)

  3913.             disable mips32r5

  3914.             disable mips64r6

  3915.             disable mipsfpu

  3916.             disable mipsdspr1

  3917.             disable mipsdspr2

  3918.             disable msa

  3919.         ;;

  3920.         24kf*)

  3921.             disable mips32r5

  3922.             disable mips64r6

  3923.             disable mipsdspr1

  3924.             disable mipsdspr2

  3925.             disable msa

  3926.         ;;

  3927.         24kec|34kc|1004kc)

  3928.             disable mips32r5

  3929.             disable mips64r6

  3930.             disable mipsfpu

  3931.             disable mipsdspr2

  3932.             disable msa

  3933.         ;;

  3934.         24kef*|34kf*|1004kf*)

  3935.             disable mips32r5

  3936.             disable mips64r6

  3937.             disable mipsdspr2

  3938.             disable msa

  3939.         ;;

  3940.         74kc)

  3941.             disable mips32r5

  3942.             disable mips64r6

  3943.             disable mipsfpu

  3944.             disable msa

  3945.         ;;

  3946.         74kf)

  3947.             disable mips32r5

  3948.             disable mips64r6

  3949.             disable msa

  3950.         ;;

  3951.         p5600)

  3952.             disable mips64r6

  3953.             disable mipsdspr1

  3954.             disable mipsdspr2

  3955. 

  3956.             check_cflags "-mtune=p5600"

  3957.         ;;

  3958.         i6400)

  3959.             disable mips32r5

  3960.             disable mipsdspr1

  3961.             disable mipsdspr2

  3962.             disable mipsfpu

  3963. 

  3964.             check_cflags "-mtune=i6400 -mabi=64"

  3965.             check_ldflags "-mabi=64"

  3966.         ;;

  3967.         loongson3*)

  3968.             disable mipsfpu

  3969.             disable mips32r2

  3970.             disable mips32r5

  3971.             disable mips64r6

  3972.             disable mipsdspr1

  3973.             disable mipsdspr2

  3974.             disable msa

  3975.             enable local_aligned_8 local_aligned_16

  3976.             enable simd_align_16

  3977.             enable fast_64bit

  3978.             enable fast_clz

  3979.             enable fast_cmov

  3980.             enable fast_unaligned

  3981.             disable aligned_stack

  3982.             cpuflags="-march=loongson3a -mhard-float"

  3983.         ;;

  3984.         generic)

  3985.             disable mips32r5

  3986.             disable mips64r6

  3987.             disable msa

  3988.         ;;

  3989.     esac

  3990. 

  3991. elif enabled ppc; then

  3992. 

  3993.     disable ldbrx

  3994. 

  3995.     case $(tolower $cpu) in

  3996.         601|ppc601|powerpc601)

  3997.             cpuflags="-mcpu=601"

  3998.             disable altivec

  3999.         ;;

  4000.         603*|ppc603*|powerpc603*)

  4001.             cpuflags="-mcpu=603"

  4002.             disable altivec

  4003.         ;;

  4004.         604*|ppc604*|powerpc604*)

  4005.             cpuflags="-mcpu=604"

  4006.             disable altivec

  4007.         ;;

  4008.         g3|75*|ppc75*|powerpc75*)

  4009.             cpuflags="-mcpu=750"

  4010.             disable altivec

  4011.         ;;

  4012.         g4|745*|ppc745*|powerpc745*)

  4013.             cpuflags="-mcpu=7450"

  4014.             disable vsx

  4015.         ;;

  4016.         74*|ppc74*|powerpc74*)

  4017.             cpuflags="-mcpu=7400"

  4018.             disable vsx

  4019.         ;;

  4020.         g5|970|ppc970|powerpc970)

  4021.             cpuflags="-mcpu=970"

  4022.             disable vsx

  4023.         ;;

  4024.         power[3-6]*)

  4025.             cpuflags="-mcpu=$cpu"

  4026.             disable vsx

  4027.         ;;

  4028.         power[7-8]*)

  4029.             cpuflags="-mcpu=$cpu"

  4030.         ;;

  4031.         cell)

  4032.             cpuflags="-mcpu=cell"

  4033.             enable ldbrx

  4034.             disable vsx

  4035.         ;;

  4036.         e500mc)

  4037.             cpuflags="-mcpu=e500mc"

  4038.             disable altivec

  4039.         ;;

  4040.         e500v2)

  4041.             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"

  4042.             disable altivec

  4043.             disable dcbzl

  4044.         ;;

  4045.         e500)

  4046.             cpuflags="-mcpu=8540 -mhard-float"

  4047.             disable altivec

  4048.             disable dcbzl

  4049.         ;;

  4050.     esac

  4051. 

  4052. elif enabled sparc; then

  4053. 

  4054.     case $cpu in

  4055.         cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])

  4056.             cpuflags="-mcpu=$cpu"

  4057.         ;;

  4058.         ultrasparc*|niagara[234])

  4059.             cpuflags="-mcpu=$cpu"

  4060.         ;;

  4061.     esac

  4062. 

  4063. elif enabled x86; then

  4064. 

  4065.     case $cpu in

  4066.         i[345]86|pentium)

  4067.             cpuflags="-march=$cpu"

  4068.             disable i686

  4069.             disable mmx

  4070.         ;;

  4071.         # targets that do NOT support nopl and conditional mov (cmov)

  4072.         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)

  4073.             cpuflags="-march=$cpu"

  4074.             disable i686

  4075.         ;;

  4076.         # targets that do support nopl and conditional mov (cmov)

  4077.         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\

  4078.         |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)

  4079.             cpuflags="-march=$cpu"

  4080.             enable i686

  4081.             enable fast_cmov

  4082.         ;;

  4083.         # targets that do support conditional mov but on which it's slow

  4084.         pentium4|pentium4m|prescott|nocona)

  4085.             cpuflags="-march=$cpu"

  4086.             enable i686

  4087.             disable fast_cmov

  4088.         ;;

  4089.     esac

  4090. 

  4091. fi

  4092. 

  4093. if [ "$cpu" != generic ]; then

  4094.     add_cflags  $cpuflags

  4095.     add_asflags $cpuflags

  4096. fi

  4097. 

  4098. # compiler sanity check

  4099. check_exec <<EOF

  4100. int main(void){ return 0; }

  4101. EOF

  4102. if test "$?" != 0; then

  4103.     echo "$cc is unable to create an executable file."

  4104.     if test -z "$cross_prefix" && ! enabled cross_compile ; then

  4105.         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."

  4106.         echo "Only do this if you know what cross compiling means."

  4107.     fi

  4108.     die "C compiler test failed."

  4109. fi

  4110. 

  4111. add_cppflags -D_ISOC99_SOURCE

  4112. add_cxxflags -D__STDC_CONSTANT_MACROS

  4113. check_cflags -std=c99

  4114. check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64

  4115. #include <stdlib.h>

  4116. EOF

  4117. check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE

  4118. #include <stdlib.h>

  4119. EOF

  4120. 

  4121. add_host_cppflags -D_ISOC99_SOURCE

  4122. check_host_cflags -std=c99

  4123. check_host_cflags -Wall

  4124. check_host_cflags -O3

  4125. 

  4126. check_64bit(){

  4127.     arch32=$1

  4128.     arch64=$2

  4129.     expr=$3

  4130.     check_code cc "" "int test[2*($expr) - 1]" &&

  4131.         subarch=$arch64 || subarch=$arch32

  4132. }

  4133. 

  4134. case "$arch" in

  4135.     aarch64|alpha|ia64)

  4136.         spic=$shared

  4137.     ;;

  4138.     mips)

  4139.         check_64bit mips mips64 '_MIPS_SIM > 1'

  4140.         spic=$shared

  4141.     ;;

  4142.     parisc)

  4143.         check_64bit parisc parisc64 'sizeof(void *) > 4'

  4144.         spic=$shared

  4145.     ;;

  4146.     ppc)

  4147.         check_64bit ppc ppc64 'sizeof(void *) > 4'

  4148.         spic=$shared

  4149.     ;;

  4150.     s390)

  4151.         check_64bit s390 s390x 'sizeof(void *) > 4'

  4152.         spic=$shared

  4153.     ;;

  4154.     sparc)

  4155.         check_64bit sparc sparc64 'sizeof(void *) > 4'

  4156.         spic=$shared

  4157.     ;;

  4158.     x86)

  4159.         check_64bit x86_32 x86_64 'sizeof(void *) > 4'

  4160.         # Treat x32 as x64 for now. Note it also needs spic=$shared

  4161.         test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&

  4162.             subarch=x86_64

  4163.         if test "$subarch" = "x86_64"; then

  4164.             spic=$shared

  4165.         fi

  4166.     ;;

  4167.     ppc)

  4168.         check_cc <<EOF && subarch="ppc64"

  4169.         int test[(int)sizeof(char*) - 7];

  4170. EOF

  4171.     ;;

  4172. esac

  4173. 

  4174. enable $subarch

  4175. enabled spic && enable_weak pic

  4176. 

  4177. # OS specific

  4178. case $target_os in

  4179.     aix)

  4180.         SHFLAGS=-shared

  4181.         add_cppflags '-I\$(SRC_PATH)/compat/aix'

  4182.         enabled shared && add_ldflags -Wl,-brtl

  4183.         ;;

  4184.     android)

  4185.         disable symver

  4186.         enable section_data_rel_ro

  4187.         SLIB_INSTALL_NAME='$(SLIBNAME)'

  4188.         SLIB_INSTALL_LINKS=

  4189.         # soname not set on purpose

  4190.         SHFLAGS=-shared

  4191.         ;;

  4192.     haiku)

  4193.         prefix_default="/boot/common"

  4194.         network_extralibs="-lnetwork"

  4195.         host_libs=

  4196.         ;;

  4197.     sunos)

  4198.         SHFLAGS='-shared -Wl,-h,$$(@F)'

  4199.         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"

  4200.         network_extralibs="-lsocket -lnsl"

  4201.         add_cppflags -D__EXTENSIONS__

  4202.         # When using suncc to build, the Solaris linker will mark

  4203.         # an executable with each instruction set encountered by

  4204.         # the Solaris assembler.  As our libraries contain their own

  4205.         # guards for processor-specific code, instead suppress

  4206.         # generation of the HWCAPS ELF section on Solaris x86 only.

  4207.         enabled_all suncc x86 &&

  4208.             echo "hwcap_1 = OVERRIDE;" > mapfile &&

  4209.             add_ldflags -Wl,-M,mapfile

  4210.         nm_default='nm -P -g'

  4211.         ;;

  4212.     netbsd)

  4213.         disable symver

  4214.         oss_indev_extralibs="-lossaudio"

  4215.         oss_outdev_extralibs="-lossaudio"

  4216.         enabled gcc || check_ldflags -Wl,-zmuldefs

  4217.         ;;

  4218.     openbsd|bitrig)

  4219.         disable symver

  4220.         SHFLAGS='-shared'

  4221.         SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'

  4222.         SLIB_INSTALL_LINKS=

  4223.         oss_indev_extralibs="-lossaudio"

  4224.         oss_outdev_extralibs="-lossaudio"

  4225.         ;;

  4226.     dragonfly)

  4227.         disable symver

  4228.         ;;

  4229.     freebsd)

  4230.         ;;

  4231.     bsd/os)

  4232.         add_extralibs -lpoll -lgnugetopt

  4233.         strip="strip -d"

  4234.         ;;

  4235.     darwin)

  4236.         enabled ppc && add_asflags -force_cpusubtype_ALL

  4237.         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'

  4238.         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress

  4239.         strip="${strip} -x"

  4240.         add_ldflags -Wl,-dynamic,-search_paths_first

  4241.         SLIBSUF=".dylib"

  4242.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'

  4243.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'

  4244.         objformat="macho"

  4245.         enabled x86_64 && objformat="macho64"

  4246.         enabled_any pic shared x86_64 ||

  4247.             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }

  4248.         ;;

  4249.     mingw32*)

  4250.         if test $target_os = "mingw32ce"; then

  4251.             disable network

  4252.         else

  4253.             target_os=mingw32

  4254.         fi

  4255.         LIBTARGET=i386

  4256.         if enabled x86_64; then

  4257.             LIBTARGET="i386:x86-64"

  4258.         elif enabled arm; then

  4259.             LIBTARGET=arm-wince

  4260.         fi

  4261.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4262.         check_ldflags -Wl,--nxcompat

  4263.         check_ldflags -Wl,--dynamicbase

  4264.         enabled x86_32 && check_ldflags -Wl,--large-address-aware

  4265.         shlibdir_default="$bindir_default"

  4266.         SLIBPREF=""

  4267.         SLIBSUF=".dll"

  4268.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4269.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4270.         dlltool="${cross_prefix}dlltool"

  4271.         if check_cmd lib.exe -list; then

  4272.             SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4273.             if enabled x86_64; then

  4274.                 LIBTARGET=x64

  4275.             fi

  4276.         elif check_cmd $dlltool --version; then

  4277.             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)'

  4278.         fi

  4279.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4280.         SLIB_INSTALL_LINKS=

  4281.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4282.         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4283.         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'

  4284.         objformat="win32"

  4285.         ranlib=:

  4286.         enable dos_paths

  4287.         ;;

  4288.     win32|win64)

  4289.         disable symver

  4290.         if enabled shared; then

  4291.             # Link to the import library instead of the normal static library

  4292.             # for shared libs.

  4293.             LD_LIB='%.lib'

  4294.             # Cannot build both shared and static libs with MSVC or icl.

  4295.             disable static

  4296.         fi

  4297.         enabled x86_32 && check_ldflags -LARGEADDRESSAWARE

  4298.         shlibdir_default="$bindir_default"

  4299.         SLIBPREF=""

  4300.         SLIBSUF=".dll"

  4301.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4302.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4303.         SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'

  4304.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4305.         SLIB_INSTALL_LINKS=

  4306.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4307.         SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4308.         SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4309.         objformat="win32"

  4310.         ranlib=:

  4311.         enable dos_paths

  4312.         ;;

  4313.     cygwin*)

  4314.         target_os=cygwin

  4315.         shlibdir_default="$bindir_default"

  4316.         SLIBPREF="cyg"

  4317.         SLIBSUF=".dll"

  4318.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4319.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4320.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4321.         SLIB_INSTALL_LINKS=

  4322.         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'

  4323.         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'

  4324.         objformat="win32"

  4325.         enable dos_paths

  4326.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4327.         ;;

  4328.     *-dos|freedos|opendos)

  4329.         network_extralibs="-lsocket"

  4330.         objformat="coff"

  4331.         enable dos_paths

  4332.         add_cppflags -U__STRICT_ANSI__

  4333.         ;;

  4334.     linux)

  4335.         enable dv1394

  4336.         enable section_data_rel_ro

  4337.         ;;

  4338.     irix*)

  4339.         target_os=irix

  4340.         ranlib="echo ignoring ranlib"

  4341.         ;;

  4342.     os/2*)

  4343.         strip="lxlite -CS"

  4344.         ln_s="cp -f"

  4345.         objformat="aout"

  4346.         add_cppflags -D_GNU_SOURCE

  4347.         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap

  4348.         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'

  4349.         LIBSUF="_s.a"

  4350.         SLIBPREF=""

  4351.         SLIBSUF=".dll"

  4352.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'

  4353.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'

  4354.         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \

  4355.             echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \

  4356.             echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \

  4357.             echo EXPORTS >> $(SUBDIR)$(NAME).def; \

  4358.             emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'

  4359.         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \

  4360.             emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'

  4361.         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'

  4362.         enable dos_paths

  4363.         enable_weak os2threads

  4364.         ;;

  4365.     gnu/kfreebsd)

  4366.         add_cppflags -D_BSD_SOURCE

  4367.         ;;

  4368.     gnu)

  4369.         ;;

  4370.     qnx)

  4371.         add_cppflags -D_QNX_SOURCE

  4372.         network_extralibs="-lsocket"

  4373.         ;;

  4374.     symbian)

  4375.         SLIBSUF=".dll"

  4376.         enable dos_paths

  4377.         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default

  4378.         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS

  4379.         add_ldflags -Wl,--target1-abs,--no-undefined \

  4380.                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \

  4381.                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup

  4382.         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \

  4383.                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \

  4384.                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib

  4385.         ;;

  4386.     osf1)

  4387.         add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT

  4388.         ;;

  4389.     minix)

  4390.         ;;

  4391.     plan9)

  4392.         add_cppflags -D_C99_SNPRINTF_EXTENSION  \

  4393.                      -D_REENTRANT_SOURCE        \

  4394.                      -D_RESEARCH_SOURCE         \

  4395.                      -DFD_SETSIZE=96            \

  4396.                      -DHAVE_SOCK_OPTS

  4397.         add_compat strtod.o strtod=avpriv_strtod

  4398.         network_extralibs='-lbsd'

  4399.         exeobjs=compat/plan9/main.o

  4400.         disable ffserver

  4401.         cp_f='cp'

  4402.         ;;

  4403.     none)

  4404.         ;;

  4405.     *)

  4406.         die "Unknown OS '$target_os'."

  4407.         ;;

  4408. esac

  4409. 

  4410. # determine libc flavour

  4411. 

  4412. probe_libc(){

  4413.     pfx=$1

  4414.     pfx_no_=${pfx%_}

  4415.     # uclibc defines __GLIBC__, so it needs to be checked before glibc.

  4416.     if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then

  4417.         eval ${pfx}libc_type=uclibc

  4418.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4419.     elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then

  4420.         eval ${pfx}libc_type=glibc

  4421.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4422.     # MinGW headers can be installed on Cygwin, so check for newlib first.

  4423.     elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then

  4424.         eval ${pfx}libc_type=newlib

  4425.         add_${pfx}cppflags -U__STRICT_ANSI__

  4426.     # MinGW64 is backwards compatible with MinGW32, so check for it first.

  4427.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then

  4428.         eval ${pfx}libc_type=mingw64

  4429.         if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then

  4430.             add_compat msvcrt/snprintf.o

  4431.             add_cflags "-include $source_path/compat/msvcrt/snprintf.h"

  4432.         fi

  4433.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4434.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4435.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4436.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION"  ||

  4437.          check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then

  4438.         eval ${pfx}libc_type=mingw32

  4439.         check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \

  4440.             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||

  4441.             die "ERROR: MinGW32 runtime version must be >= 3.15."

  4442.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4443.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4444.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4445.     elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then

  4446.         eval ${pfx}libc_type=msvcrt

  4447.         if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then

  4448.             if [ "$pfx" = host_ ]; then

  4449.                 add_host_cppflags -Dsnprintf=_snprintf

  4450.             else

  4451.                 add_compat strtod.o strtod=avpriv_strtod

  4452.                 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf   \

  4453.                                              _snprintf=avpriv_snprintf  \

  4454.                                              vsnprintf=avpriv_vsnprintf

  4455.             fi

  4456.         fi

  4457.         # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to

  4458.         # 0x601 by default unless something else is set by the user.

  4459.         # This can easily lead to us detecting functions only present

  4460.         # in such new versions and producing binaries requiring windows 7.0.

  4461.         # Therefore explicitly set the default to XP unless the user has

  4462.         # set something else on the command line.

  4463.         check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||

  4464.             add_${pfx}cppflags -D_WIN32_WINNT=0x0502

  4465.     elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then

  4466.         eval ${pfx}libc_type=klibc

  4467.     elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then

  4468.         eval ${pfx}libc_type=bionic

  4469.     elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then

  4470.         eval ${pfx}libc_type=solaris

  4471.         add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600

  4472.     fi

  4473.     check_${pfx}cc <<EOF

  4474. #include <time.h>

  4475. void *v = localtime_r;

  4476. EOF

  4477. 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

  4478. #include <time.h>

  4479. void *v = localtime_r;

  4480. EOF

  4481. 

  4482. }

  4483. 

  4484. probe_libc

  4485. test -n "$libc_type" && enable libc_$libc_type

  4486. probe_libc host_

  4487. test -n "$host_libc_type" && enable host_libc_$host_libc_type

  4488. 

  4489. case $libc_type in

  4490.     bionic)

  4491.         add_compat strtod.o strtod=avpriv_strtod

  4492.         ;;

  4493. esac

  4494. 

  4495. # hacks for compiler/libc/os combinations

  4496. 

  4497. if enabled_all tms470 libc_glibc; then

  4498.     CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"

  4499.     add_cppflags -D__USER_LABEL_PREFIX__=

  4500.     add_cppflags -D__builtin_memset=memset

  4501.     add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED

  4502.     add_cflags   -pds=48    # incompatible redefinition of macro

  4503. fi

  4504. 

  4505. if enabled_all ccc libc_glibc; then

  4506.     add_ldflags -Wl,-z,now  # calls to libots crash without this

  4507. fi

  4508. 

  4509. check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||

  4510.     add_cppflags '-I\$(SRC_PATH)/compat/float'

  4511. 

  4512. esc(){

  4513.     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'

  4514. }

  4515. 

  4516. echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate

  4517. 

  4518. check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic

  4519. 

  4520. set_default libdir

  4521. : ${shlibdir_default:="$libdir"}

  4522. : ${pkgconfigdir_default:="$libdir/pkgconfig"}

  4523. 

  4524. set_default $PATHS_LIST

  4525. set_default nm

  4526. 

  4527. # we need to build at least one lib type

  4528. if ! enabled_any static shared; then

  4529.     cat <<EOF

  4530. At least one library type must be built.

  4531. Specify --enable-static to build the static libraries or --enable-shared to

  4532. build the shared libraries as well. To only build the shared libraries specify

  4533. --disable-static in addition to --enable-shared.

  4534. EOF

  4535.     exit 1;

  4536. fi

  4537. 

  4538. die_license_disabled() {

  4539.     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }

  4540. }

  4541. 

  4542. die_license_disabled_gpl() {

  4543.     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }

  4544. }

  4545. 

  4546. die_license_disabled gpl frei0r

  4547. die_license_disabled gpl libcdio

  4548. die_license_disabled gpl libsmbclient

  4549. die_license_disabled gpl libutvideo

  4550. die_license_disabled gpl libvidstab

  4551. die_license_disabled gpl libx264

  4552. die_license_disabled gpl libx265

  4553. die_license_disabled gpl libxavs

  4554. die_license_disabled gpl libxvid

  4555. die_license_disabled gpl libzvbi

  4556. die_license_disabled gpl x11grab

  4557. 

  4558. die_license_disabled nonfree libaacplus

  4559. die_license_disabled nonfree libfaac

  4560. die_license_disabled nonfree nvenc

  4561. enabled gpl && die_license_disabled_gpl nonfree libfdk_aac

  4562. enabled gpl && die_license_disabled_gpl nonfree openssl

  4563. 

  4564. die_license_disabled version3 libopencore_amrnb

  4565. die_license_disabled version3 libopencore_amrwb

  4566. die_license_disabled version3 libsmbclient

  4567. die_license_disabled version3 libvo_aacenc

  4568. die_license_disabled version3 libvo_amrwbenc

  4569. 

  4570. enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }

  4571. 

  4572. disabled optimizations || check_cflags -fomit-frame-pointer

  4573. 

  4574. enable_weak_pic() {

  4575.     disabled pic && return

  4576.     enable pic

  4577.     add_cppflags -DPIC

  4578.     case "$target_os" in

  4579.     mingw*|cygwin*)

  4580.         ;;

  4581.     *)

  4582.         add_cflags -fPIC

  4583.         ;;

  4584.     esac

  4585.     add_asflags  -fPIC

  4586. }

  4587. 

  4588. enabled pic && enable_weak_pic

  4589. 

  4590. check_cc <<EOF || die "Symbol mangling check failed."

  4591. int ff_extern;

  4592. EOF

  4593. sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')

  4594. extern_prefix=${sym%%ff_extern*}

  4595. 

  4596. check_cc <<EOF && enable_weak inline_asm

  4597. void foo(void) { __asm__ volatile ("" ::); }

  4598. EOF

  4599. 

  4600. _restrict=

  4601. for restrict_keyword in restrict __restrict__ __restrict; do

  4602.     check_cc <<EOF && _restrict=$restrict_keyword && break

  4603. void foo(char * $restrict_keyword p);

  4604. EOF

  4605. done

  4606. 

  4607. check_cc <<EOF && enable pragma_deprecated

  4608. void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }

  4609. EOF

  4610. 

  4611. check_cc <<EOF && enable attribute_packed

  4612. struct { int x; } __attribute__((packed)) x;

  4613. EOF

  4614. 

  4615. check_cc <<EOF && enable attribute_may_alias

  4616. union { int x; } __attribute__((may_alias)) x;

  4617. EOF

  4618. 

  4619. check_cc <<EOF || die "endian test failed"

  4620. unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';

  4621. EOF

  4622. od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian

  4623. 

  4624. if ! enabled ppc64 || enabled bigendian; then

  4625.     disable vsx

  4626. fi

  4627. 

  4628. check_gas() {

  4629.     log "check_gas using '$as' as AS"

  4630.     # :vararg is used on aarch64, arm and ppc altivec

  4631.     check_as <<EOF || return 1

  4632. .macro m n, y:vararg=0

  4633. \n: .int \y

  4634. .endm

  4635. m x

  4636. EOF

  4637.     # .altmacro is only used in arm asm

  4638.     ! enabled arm || check_as <<EOF || return 1

  4639. .altmacro

  4640. EOF

  4641.     enable gnu_as

  4642.     return 0

  4643. }

  4644. 

  4645. if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then

  4646.     nogas=:

  4647.     enabled_any arm aarch64 && nogas=die

  4648.     enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn

  4649.     as_noop=-v

  4650. 

  4651.     case $as_type in

  4652.         arm*) gaspp_as_type=armasm; as_noop=-h ;;

  4653.         gcc)  gaspp_as_type=gas ;;

  4654.         *)    gaspp_as_type=$as_type ;;

  4655.     esac

  4656. 

  4657.     [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"

  4658. 

  4659.     test "${as#*gas-preprocessor.pl}" != "$as" ||

  4660.     check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&

  4661.         gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"

  4662. 

  4663.     if ! check_gas ; then

  4664.         as=${gas:=$as}

  4665.         check_gas || \

  4666.             $nogas "GNU assembler not found, install/update gas-preprocessor"

  4667.     fi

  4668. 

  4669.     check_as <<EOF && enable as_func

  4670. .func test

  4671. .endfunc

  4672. EOF

  4673. fi

  4674. 

  4675. check_inline_asm inline_asm_labels '"1:\n"'

  4676. 

  4677. check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'

  4678. 

  4679. if enabled aarch64; then

  4680.     enabled armv8 && check_insn armv8 'prfm   pldl1strm, [x0]'

  4681.     # internal assembler in clang 3.3 does not support this instruction

  4682.     enabled neon && check_insn neon 'ext   v0.8B, v0.8B, v1.8B, #1'

  4683.     enabled vfp  && check_insn vfp  'fmadd d0,    d0,    d1,    d2'

  4684. 

  4685.     map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM

  4686. 

  4687. elif enabled alpha; then

  4688. 

  4689.     check_cflags -mieee

  4690. 

  4691. elif enabled arm; then

  4692. 

  4693.     check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb

  4694. float func(float a, float b){ return a+b; }

  4695. EOF

  4696. 

  4697.     enabled thumb && check_cflags -mthumb || check_cflags -marm

  4698. 

  4699.     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then

  4700.         enable vfp_args

  4701.     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then

  4702.         case "${cross_prefix:-$cc}" in

  4703.             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;

  4704.             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;

  4705. __asm__ (".eabi_attribute 28, 1");

  4706. int main(void) { return 0; }

  4707. EOF

  4708.         esac

  4709.         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."

  4710.     fi

  4711. 

  4712.     enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'

  4713.     enabled armv6   && check_insn armv6   'sadd16 r0, r0, r0'

  4714.     enabled armv6t2 && check_insn armv6t2 'movt r0, #0'

  4715.     enabled neon    && check_insn neon    'vadd.i16 q0, q0, q0'

  4716.     enabled vfp     && check_insn vfp     'fadds s0, s0, s0'

  4717.     enabled vfpv3   && check_insn vfpv3   'vmov.f32 s0, #1.0'

  4718.     enabled setend  && check_insn setend  'setend be'

  4719. 

  4720.     [ $target_os = linux ] || [ $target_os = android ] ||

  4721.         map 'enabled_any ${v}_external ${v}_inline || disable $v' \

  4722.             $ARCH_EXT_LIST_ARM

  4723. 

  4724.     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'

  4725. 

  4726.     check_as <<EOF && enable as_dn_directive

  4727. ra .dn d0.i16

  4728. .unreq ra

  4729. EOF

  4730. 

  4731.     # llvm's integrated assembler supports .object_arch from llvm 3.5

  4732.     [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch

  4733. .object_arch armv4

  4734. EOF

  4735. 

  4736.     [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic

  4737. 

  4738. elif enabled mips; then

  4739. 

  4740.     # Enable minimum ISA based on selected options

  4741.     if enabled mips64 && (enabled mipsdspr1 || enabled mipsdspr2); then

  4742.         add_cflags "-mips64r2"

  4743.         add_asflags "-mips64r2"

  4744.     elif enabled mips64 && enabled mipsfpu && disabled loongson3; then

  4745.         add_cflags "-mips64"

  4746.         add_asflags "-mips64"

  4747.     elif enabled mipsdspr1 || enabled mipsdspr2; then

  4748.         add_cflags "-mips32r2 -mfp32"

  4749.         add_asflags "-mips32r2 -mfp32"

  4750.     elif enabled mips32r5 || enabled mips64r6; then

  4751.         check_cflags "-mfp64"

  4752.         check_ldflags "-mfp64"

  4753.     fi

  4754. 

  4755.     enabled mips32r5  && check_cflags "-mips32r5 -msched-weight -mload-store-pairs -funroll-loops" &&

  4756.      check_ldflags "-mips32r5" &&

  4757.      check_inline_asm mips32r5  '"ulw $t0, ($t1)"'

  4758.     enabled mips64r6  && check_cflags "-mips64r6 -msched-weight -mload-store-pairs -funroll-loops" &&

  4759.      check_ldflags "-mips64r6" &&

  4760.      check_inline_asm mips64r6  '"aui $t0, $t1, 1"'

  4761.     enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&

  4762.      check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'

  4763.     enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&

  4764.      check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'

  4765.     enabled mipsfpu   && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&

  4766.      check_inline_asm mipsfpu   '"madd.d $f0, $f2, $f4, $f6"'

  4767.     enabled msa       && check_cflags "-mmsa" && check_ldflags "-mmsa" &&

  4768.      check_inline_asm msa       '"addvi.b $w0, $w1, 1"'

  4769.     enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'

  4770. 

  4771.     enabled mips32r5 && add_asflags "-mips32r5 -mfp64"

  4772.     enabled mips64r6 && add_asflags "-mips64r6 -mfp64"

  4773.     enabled msa && add_asflags "-mmsa"

  4774. 

  4775. elif enabled parisc; then

  4776. 

  4777.     if enabled gcc; then

  4778.         case $($cc -dumpversion) in

  4779.             4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;

  4780.         esac

  4781.     fi

  4782. 

  4783. elif enabled ppc; then

  4784. 

  4785.     enable local_aligned_8 local_aligned_16 local_aligned_32

  4786. 

  4787.     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'

  4788.     check_inline_asm ibm_asm   '"add 0, 0, 0"'

  4789.     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'

  4790.     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'

  4791. 

  4792.     # AltiVec flags: The FSF version of GCC differs from the Apple version

  4793.     if enabled altivec; then

  4794.         check_cflags -maltivec -mabi=altivec &&

  4795.         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||

  4796.         check_cflags -faltivec

  4797. 

  4798.         # check if our compiler supports Motorola AltiVec C API

  4799.         check_cc <<EOF || disable altivec

  4800. $inc_altivec_h

  4801. int main(void) {

  4802.     vector signed int v1 = (vector signed int) { 0 };

  4803.     vector signed int v2 = (vector signed int) { 1 };

  4804.     v1 = vec_add(v1, v2);

  4805.     return 0;

  4806. }

  4807. EOF

  4808. 

  4809.         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"

  4810.     fi

  4811. 

  4812.     if enabled vsx; then

  4813.         check_cflags -mvsx &&

  4814.         check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx

  4815.     fi

  4816. 

  4817.     if enabled power8; then

  4818.         check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8

  4819.     fi

  4820. 

  4821. elif enabled x86; then

  4822. 

  4823.     check_builtin rdtsc    intrin.h   "__rdtsc()"

  4824.     check_builtin mm_empty mmintrin.h "_mm_empty()"

  4825. 

  4826.     enable local_aligned_8 local_aligned_16 local_aligned_32

  4827. 

  4828.     # check whether EBP is available on x86

  4829.     # As 'i' is stored on the stack, this program will crash

  4830.     # if the base pointer is used to access it because the

  4831.     # base pointer is cleared in the inline assembly code.

  4832.     check_exec_crash <<EOF && enable ebp_available

  4833. volatile int i=0;

  4834. __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");

  4835. return i;

  4836. EOF

  4837. 

  4838.     # check whether EBX is available on x86

  4839.     check_inline_asm ebx_available '""::"b"(0)' &&

  4840.         check_inline_asm ebx_available '"":::"%ebx"'

  4841. 

  4842.     # check whether xmm clobbers are supported

  4843.     check_inline_asm xmm_clobbers '"":::"%xmm0"'

  4844. 

  4845.     check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||

  4846.         check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'

  4847. 

  4848.     # check whether binutils is new enough to compile SSSE3/MMXEXT

  4849.     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'

  4850.     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'

  4851. 

  4852.     if ! disabled_any asm mmx yasm; then

  4853.         if check_cmd $yasmexe --version; then

  4854.             enabled x86_64 && yasm_extra="-m amd64"

  4855.             yasm_debug="-g dwarf2"

  4856.         elif check_cmd nasm -v; then

  4857.             yasmexe=nasm

  4858.             yasm_debug="-g -F dwarf"

  4859.             if enabled x86_64; then

  4860.                 case "$objformat" in

  4861.                     elf)   objformat=elf64 ;;

  4862.                     win32) objformat=win64 ;;

  4863.                 esac

  4864.             fi

  4865.         fi

  4866. 

  4867.         YASMFLAGS="-f $objformat $yasm_extra"

  4868.         enabled pic               && append YASMFLAGS "-DPIC"

  4869.         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"

  4870.         case "$objformat" in

  4871.             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;

  4872.         esac

  4873. 

  4874.         check_yasm "movbe ecx, [5]" && enable yasm ||

  4875.             die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."

  4876.         check_yasm "vextracti128 xmm0, ymm0, 0"      || disable avx2_external

  4877.         check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external

  4878.         check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external

  4879.         check_yasm "CPU amdnop" || disable cpunop

  4880.     fi

  4881. 

  4882.     case "$cpu" in

  4883.         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)

  4884.             disable fast_clz

  4885.         ;;

  4886.     esac

  4887. 

  4888. fi

  4889. 

  4890. check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon

  4891. 

  4892. check_ldflags -Wl,--as-needed

  4893. check_ldflags -Wl,-z,noexecstack

  4894. 

  4895. if check_func dlopen; then

  4896.     ldl=

  4897. elif check_func dlopen -ldl; then

  4898.     ldl=-ldl

  4899. fi

  4900. 

  4901. frei0r_filter_extralibs='$ldl'

  4902. frei0r_src_filter_extralibs='$ldl'

  4903. ladspa_filter_extralibs='$ldl'

  4904. nvenc_encoder_extralibs='$ldl'

  4905. 

  4906. if ! disabled network; then

  4907.     check_func getaddrinfo $network_extralibs

  4908.     check_func getservbyport $network_extralibs

  4909.     check_func inet_aton $network_extralibs

  4910. 

  4911.     check_type netdb.h "struct addrinfo"

  4912.     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE

  4913.     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE

  4914.     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE

  4915.     check_type poll.h "struct pollfd"

  4916.     check_type netinet/sctp.h "struct sctp_event_subscribe"

  4917.     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len

  4918.     check_type netinet/in.h "struct sockaddr_in6"

  4919.     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"

  4920.     check_type "sys/types.h sys/socket.h" socklen_t

  4921. 

  4922.     # Prefer arpa/inet.h over winsock2

  4923.     if check_header arpa/inet.h ; then

  4924.         check_func closesocket

  4925.     elif check_header winsock2.h ; then

  4926.         check_func_headers winsock2.h closesocket -lws2 &&

  4927.             network_extralibs="-lws2" ||

  4928.         { check_func_headers winsock2.h closesocket -lws2_32 &&

  4929.             network_extralibs="-lws2_32"; } || disable winsock2_h network

  4930.         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs

  4931. 

  4932.         check_type ws2tcpip.h socklen_t

  4933.         check_type ws2tcpip.h "struct addrinfo"

  4934.         check_type ws2tcpip.h "struct group_source_req"

  4935.         check_type ws2tcpip.h "struct ip_mreq_source"

  4936.         check_type ws2tcpip.h "struct ipv6_mreq"

  4937.         check_type winsock2.h "struct pollfd"

  4938.         check_struct winsock2.h "struct sockaddr" sa_len

  4939.         check_type ws2tcpip.h "struct sockaddr_in6"

  4940.         check_type ws2tcpip.h "struct sockaddr_storage"

  4941.     else

  4942.         disable network

  4943.     fi

  4944. fi

  4945. 

  4946. check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"

  4947. check_builtin atomic_compare_exchange "" "int *ptr, *oldval; int newval; __atomic_compare_exchange_n(ptr, oldval, newval, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)"

  4948. check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"

  4949. check_builtin MemoryBarrier windows.h "MemoryBarrier()"

  4950. check_builtin sarestart signal.h "SA_RESTART"

  4951. check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"

  4952. check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"

  4953. check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"

  4954. 

  4955. check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc

  4956. check_func  ${malloc_prefix}memalign            && enable memalign

  4957. check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign

  4958. 

  4959. check_func  access

  4960. check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  4961. check_func  fcntl

  4962. check_func  fork

  4963. check_func  gethrtime

  4964. check_func  getopt

  4965. check_func  getrusage

  4966. check_func  gettimeofday

  4967. check_func  isatty

  4968. check_func  mach_absolute_time

  4969. check_func  mkstemp

  4970. check_func  mmap

  4971. check_func  mprotect

  4972. # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that

  4973. check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  4974. check_func  sched_getaffinity

  4975. check_func  setrlimit

  4976. check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE

  4977. check_func  strerror_r

  4978. check_func  sysconf

  4979. check_func  sysctl

  4980. check_func  usleep

  4981. 

  4982. check_func_headers conio.h kbhit

  4983. check_func_headers io.h setmode

  4984. check_func_headers lzo/lzo1x.h lzo1x_999_compress

  4985. check_func_headers stdlib.h getenv

  4986. 

  4987. check_func_headers windows.h CoTaskMemFree -lole32

  4988. check_func_headers windows.h GetProcessAffinityMask

  4989. check_func_headers windows.h GetProcessTimes

  4990. check_func_headers windows.h GetSystemTimeAsFileTime

  4991. check_func_headers windows.h MapViewOfFile

  4992. check_func_headers windows.h PeekNamedPipe

  4993. check_func_headers windows.h SetConsoleTextAttribute

  4994. check_func_headers windows.h SetConsoleCtrlHandler

  4995. check_func_headers windows.h Sleep

  4996. check_func_headers windows.h VirtualAlloc

  4997. check_struct windows.h "CONDITION_VARIABLE" Ptr

  4998. check_func_headers glob.h glob

  4999. enabled xlib &&

  5000.     check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext

  5001. 

  5002. check_header direct.h

  5003. check_header dlfcn.h

  5004. check_header d3d11.h

  5005. check_header dxva.h

  5006. check_header dxva2api.h -D_WIN32_WINNT=0x0600

  5007. check_header io.h

  5008. check_header libcrystalhd/libcrystalhd_if.h

  5009. check_header mach/mach_time.h

  5010. check_header malloc.h

  5011. check_header net/udplite.h

  5012. check_header poll.h

  5013. check_header sys/mman.h

  5014. check_header sys/param.h

  5015. check_header sys/resource.h

  5016. check_header sys/select.h

  5017. check_header sys/time.h

  5018. check_header sys/un.h

  5019. check_header termios.h

  5020. check_header unistd.h

  5021. check_header valgrind/valgrind.h

  5022. check_header vdpau/vdpau.h

  5023. check_header vdpau/vdpau_x11.h

  5024. check_header VideoDecodeAcceleration/VDADecoder.h

  5025. check_header windows.h

  5026. check_header X11/extensions/XvMClib.h

  5027. check_header asm/types.h

  5028. 

  5029. check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32

  5030. check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32

  5031. check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi

  5032. 

  5033. check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss

  5034. 

  5035. check_type "windows.h dxva.h" "DXVA_PicParams_HEVC"

  5036. check_type "windows.h d3d11.h" "ID3D11VideoDecoder"

  5037. check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0600

  5038. 

  5039. check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"

  5040. 

  5041. if ! disabled w32threads && ! enabled pthreads; then

  5042.     check_func_headers "windows.h process.h" _beginthreadex &&

  5043.         enable w32threads || disable w32threads

  5044. fi

  5045. 

  5046. # check for some common methods of building with pthread support

  5047. # do this before the optional library checks as some of them require pthreads

  5048. if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then

  5049.     enable pthreads

  5050.     if check_func pthread_join -pthread && check_func pthread_create -pthread; then

  5051.         add_cflags -pthread

  5052.         add_extralibs -pthread

  5053.     elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then

  5054.         add_cflags -pthreads

  5055.         add_extralibs -pthreads

  5056.     elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then

  5057.         add_cflags -ldl -pthread

  5058.         add_extralibs -ldl -pthread

  5059.     elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then

  5060.         add_extralibs -lpthreadGC2

  5061.     elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then

  5062.         :

  5063.     elif ! check_func pthread_join && ! check_func pthread_create; then

  5064.         disable pthreads

  5065.     fi

  5066.     check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads

  5067. fi

  5068. 

  5069. 

  5070. if enabled pthreads; then

  5071.   check_func pthread_cancel

  5072. fi

  5073. 

  5074. disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib

  5075. disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib

  5076. disabled  lzma || check_lib2  lzma.h lzma_version_number -llzma || disable lzma

  5077. 

  5078. check_lib math.h sin -lm && LIBM="-lm"

  5079. disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd

  5080. 

  5081. atan2f_args=2

  5082. ldexpf_args=2

  5083. powf_args=2

  5084. 

  5085. for func in $MATH_FUNCS; do

  5086.     eval check_mathfunc $func \${${func}_args:-1}

  5087. done

  5088. 

  5089. # these are off by default, so fail if requested and not available

  5090. enabled avfoundation_indev && { check_header_oc AVFoundation/AVFoundation.h || disable avfoundation_indev; }

  5091. enabled avfoundation_indev && { check_lib2 CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||

  5092.                                 check_lib2 ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }

  5093. enabled avisynth          && { { check_lib2 "windows.h" LoadLibrary; } ||

  5094.                                { check_lib2 "dlfcn.h" dlopen -ldl; } ||

  5095.                                die "ERROR: LoadLibrary/dlopen not found for avisynth"; }

  5096. enabled decklink          && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }

  5097. enabled frei0r            && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }

  5098. enabled gnutls            && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init

  5099. enabled ladspa            && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }

  5100. enabled libiec61883       && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883

  5101. enabled libaacplus        && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus

  5102. enabled libass            && require_pkg_config libass ass/ass.h ass_library_init

  5103. enabled libbluray         && require_pkg_config libbluray libbluray/bluray.h bd_open

  5104. enabled libbs2b           && require_pkg_config libbs2b bs2b.h bs2b_open

  5105. enabled libcelt           && require libcelt celt/celt.h celt_decode -lcelt0 &&

  5106.                              { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||

  5107.                                die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }

  5108. enabled libcaca           && require_pkg_config caca caca.h caca_create_canvas

  5109. enabled libdcadec         && require_pkg_config dcadec libdcadec/dca_context.h dcadec_context_create

  5110. enabled libfaac           && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac

  5111. enabled libfdk_aac        && { use_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||

  5112.                                { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&

  5113.                                  warn "using libfdk without pkg-config"; } }

  5114. 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"

  5115. enabled libflite          && require2 libflite "flite/flite.h" flite_init $flite_libs

  5116. enabled fontconfig        && enable libfontconfig

  5117. enabled libfontconfig     && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit

  5118. enabled libfreetype       && require_libfreetype

  5119. enabled libfribidi        && require_pkg_config fribidi fribidi.h fribidi_version_info

  5120. enabled libgme            && require  libgme gme/gme.h gme_new_emu -lgme -lstdc++

  5121. enabled libgsm            && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do

  5122.                                    check_lib "${gsm_hdr}" gsm_create -lgsm && break;

  5123.                                done || die "ERROR: libgsm not found"; }

  5124. enabled libilbc           && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc

  5125. enabled libmfx            && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit

  5126. enabled libmodplug        && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load

  5127. enabled libmp3lame        && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame

  5128. enabled libnut            && require libnut libnut.h nut_demuxer_init -lnut

  5129. enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb

  5130. enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb

  5131. enabled libopencv         && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader

  5132. enabled libopenh264       && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion

  5133. enabled libopenjpeg       && { check_lib openjpeg.h opj_version -lopenmj2 -DOPJ_STATIC ||

  5134.                                check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  5135.                                check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  5136.                                die "ERROR: libopenjpeg not found"; }

  5137. enabled libopus           && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create

  5138. enabled libpulse          && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new

  5139. enabled libquvi           && require_pkg_config libquvi quvi/quvi.h quvi_init

  5140. enabled librtmp           && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket

  5141. enabled libschroedinger   && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init

  5142. enabled libshine          && require_pkg_config shine shine/layer3.h shine_encode_buffer

  5143. enabled libsmbclient      && { use_pkg_config smbclient libsmbclient.h smbc_init ||

  5144.                                require smbclient libsmbclient.h smbc_init -lsmbclient; }

  5145. enabled libsnappy         && require snappy snappy-c.h snappy_compress -lsnappy

  5146. enabled libsoxr           && require libsoxr soxr.h soxr_create -lsoxr

  5147. enabled libssh            && require_pkg_config libssh libssh/sftp.h sftp_init

  5148. enabled libspeex          && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex

  5149. enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h

  5150.     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h

  5151.     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static

  5152. enabled libtheora         && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg

  5153. enabled libtwolame        && require libtwolame twolame.h twolame_init -ltwolame &&

  5154.                              { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||

  5155.                                die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }

  5156. enabled libutvideo        && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++

  5157. enabled libv4l2           && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl

  5158. enabled libvidstab        && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit

  5159. enabled libvo_aacenc      && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc

  5160. enabled libvo_amrwbenc    && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc

  5161. enabled libvorbis         && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg

  5162. 

  5163. enabled libvpx            && {

  5164.     enabled libvpx_vp8_decoder && {

  5165.         use_pkg_config "vpx >= 0.9.1" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||

  5166.             check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||

  5167.                 die "ERROR: libvpx decoder version must be >=0.9.1";

  5168.     }

  5169.     enabled libvpx_vp8_encoder && {

  5170.         use_pkg_config "vpx >= 0.9.7" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||

  5171.             check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||

  5172.                 die "ERROR: libvpx encoder version must be >=0.9.7";

  5173.     }

  5174.     enabled libvpx_vp9_decoder && {

  5175.         use_pkg_config "vpx >= 1.3.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||

  5176.             check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx ||

  5177.                 disable libvpx_vp9_decoder;

  5178.     }

  5179.     enabled libvpx_vp9_encoder && {

  5180.         use_pkg_config "vpx >= 1.3.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||

  5181.             check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx ||

  5182.                 disable libvpx_vp9_encoder;

  5183.     }

  5184.     if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then

  5185.         die "libvpx enabled but no supported decoders found"

  5186.     fi

  5187. }

  5188. 

  5189. enabled libwavpack        && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput  -lwavpack

  5190. enabled libwebp           && {

  5191.     enabled libwebp_encoder      && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion

  5192.     enabled libwebp_anim_encoder && { use_pkg_config "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit || disable libwebp_anim_encoder; } }

  5193. enabled libx264           && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||

  5194.                                { require libx264 x264.h x264_encoder_encode -lx264 &&

  5195.                                  warn "using libx264 without pkg-config"; } } &&

  5196.                              { check_cpp_condition x264.h "X264_BUILD >= 118" ||

  5197.                                die "ERROR: libx264 must be installed and version must be >= 0.118."; }

  5198. enabled libx265           && require_pkg_config x265 x265.h x265_api_get &&

  5199.                              { check_cpp_condition x265.h "X265_BUILD >= 57" ||

  5200.                                die "ERROR: libx265 version must be >= 57."; }

  5201. enabled libxavs           && require libxavs xavs.h xavs_encoder_encode -lxavs

  5202. enabled libxvid           && require libxvid xvid.h xvid_global -lxvidcore

  5203. enabled libzmq            && require_pkg_config libzmq zmq.h zmq_ctx_new

  5204. enabled libzvbi           && require libzvbi libzvbi.h vbi_decoder_new -lzvbi

  5205. enabled mmal              && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||

  5206.                                 { ! enabled cross_compile && {

  5207.                                     add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;

  5208.                                     add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;

  5209.                                     check_lib interface/mmal/mmal.h mmal_port_connect ; }

  5210.                                 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||

  5211.                                die "ERROR: mmal not found"; }

  5212. enabled nvenc             && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; } &&

  5213.                              { check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 5" ||

  5214.                                die "ERROR: NVENC API version 4 or older is not supported"; } &&

  5215.                              { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }

  5216. enabled openal            && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do

  5217.                                check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||

  5218.                                die "ERROR: openal not found"; } &&

  5219.                              { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||

  5220.                                die "ERROR: openal must be installed and version must be 1.1 or compatible"; }

  5221. enabled opencl            && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||

  5222.                                check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||

  5223.                                die "ERROR: opencl not found"; } &&

  5224.                              { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||

  5225.                                check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||

  5226.                                die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }

  5227. enabled opengl            && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||

  5228.                                check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||

  5229.                                check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||

  5230.                                check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||

  5231.                                die "ERROR: opengl not found."

  5232.                              }

  5233. enabled openssl           && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||

  5234.                                check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||

  5235.                                check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||

  5236.                                die "ERROR: openssl not found"; }

  5237. enabled qtkit_indev      && { check_header_oc QTKit/QTKit.h || disable qtkit_indev; }

  5238. 

  5239. if enabled gnutls; then

  5240.     { check_lib2 gmp.h mpz_export -lgmp && enable gmp; } ||

  5241.     { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }

  5242. fi

  5243. 

  5244. # libdc1394 check

  5245. if enabled libdc1394; then

  5246.     { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&

  5247.         enable libdc1394_2; } ||

  5248.     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&

  5249.         enable libdc1394_1; } ||

  5250.     die "ERROR: No version of libdc1394 found "

  5251. fi

  5252. if ! disabled sdl; then

  5253.     SDL_CONFIG="${cross_prefix}sdl-config"

  5254.     if check_pkg_config sdl SDL_events.h SDL_PollEvent; then

  5255.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5256.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5257.         enable sdl

  5258.     else

  5259.         if "${SDL_CONFIG}" --version > /dev/null 2>&1; then

  5260.             sdl_cflags=$("${SDL_CONFIG}" --cflags)

  5261.             sdl_libs=$("${SDL_CONFIG}" --libs)

  5262.             check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&

  5263.             check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5264.             check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5265.             enable sdl

  5266.         elif enabled sdl ; then

  5267.             die "ERROR: SDL not found"

  5268.         else

  5269.             disable sdl

  5270.         fi

  5271.     fi

  5272. fi

  5273. enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs

  5274. 

  5275. disabled securetransport || { check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&

  5276.     check_lib2 "Security/SecureTransport.h Security/Security.h" "SSLCreateContext SecItemImport" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&

  5277.     enable securetransport; }

  5278. 

  5279. makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo

  5280. enabled makeinfo \

  5281.     && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \

  5282.     && enable makeinfo_html || disable makeinfo_html

  5283. disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html

  5284. perl -v            > /dev/null 2>&1 && enable perl      || disable perl

  5285. pod2man --help     > /dev/null 2>&1 && enable pod2man   || disable pod2man

  5286. rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout

  5287. 

  5288. check_header linux/fb.h

  5289. check_header linux/videodev.h

  5290. check_header linux/videodev2.h

  5291. check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5292. 

  5293. check_header sys/videoio.h

  5294. check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5295. 

  5296. check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"

  5297. # check that WM_CAP_DRIVER_CONNECT is defined to the proper value

  5298. # w32api 3.12 had it defined wrong

  5299. check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines

  5300. 

  5301. check_type "dshow.h" IBaseFilter

  5302. 

  5303. # check for ioctl_meteor.h, ioctl_bt848.h and alternatives

  5304. { check_header dev/bktr/ioctl_meteor.h &&

  5305.   check_header dev/bktr/ioctl_bt848.h; } ||

  5306. { check_header machine/ioctl_meteor.h &&

  5307.   check_header machine/ioctl_bt848.h; } ||

  5308. { check_header dev/video/meteor/ioctl_meteor.h &&

  5309.   check_header dev/video/bktr/ioctl_bt848.h; } ||

  5310. check_header dev/ic/bt8xx.h

  5311. 

  5312. check_header sndio.h

  5313. if check_struct sys/soundcard.h audio_buf_info bytes; then

  5314.     enable_safe sys/soundcard.h

  5315. else

  5316.     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h

  5317.     #include <sys/soundcard.h>

  5318.     audio_buf_info abc;

  5319. EOF

  5320. fi

  5321. check_header soundcard.h

  5322. 

  5323. enabled_any alsa_indev alsa_outdev &&

  5324.     check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound

  5325. 

  5326. enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&

  5327.     check_func jack_port_get_latency_range -ljack

  5328. 

  5329. enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio

  5330. 

  5331. if enabled libcdio; then

  5332.     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5333.     check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5334.     die "ERROR: No usable libcdio/cdparanoia found"

  5335. fi

  5336. 

  5337. enabled xlib &&

  5338.     check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib

  5339. 

  5340. if ! disabled libxcb; then

  5341.     check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {

  5342.         enabled libxcb && die "ERROR: libxcb >= 1.4 not found";

  5343.     } && disable x11grab && enable libxcb

  5344. 

  5345. if enabled libxcb; then

  5346.     disabled libxcb_shm || {

  5347.         check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {

  5348.             enabled libxcb_shm && die "ERROR: libxcb_shm not found";

  5349.         } && check_header sys/shm.h && enable libxcb_shm; }

  5350. 

  5351.     disabled libxcb_xfixes || {

  5352.         check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {

  5353.             enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";

  5354.         } && enable libxcb_xfixes; }

  5355. 

  5356.     disabled libxcb_shape || {

  5357.         check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {

  5358.             enabled libxcb_shape && die "ERROR: libxcb_shape not found";

  5359.         } && enable libxcb_shape; }

  5360. 

  5361.     add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags

  5362.     add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs

  5363. fi

  5364. fi

  5365. 

  5366. if enabled x11grab; then

  5367.     enabled xlib || die "ERROR: Xlib not found"

  5368.     require Xext X11/extensions/XShm.h XShmCreateImage -lXext

  5369.     require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes

  5370. fi

  5371. 

  5372. check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"

  5373. 

  5374. enabled dxva2api_h &&

  5375.     check_cc <<EOF && enable dxva2api_cobj

  5376. #define _WIN32_WINNT 0x0600

  5377. #define COBJMACROS

  5378. #include <windows.h>

  5379. #include <d3d9.h>

  5380. #include <dxva2api.h>

  5381. int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }

  5382. EOF

  5383. 

  5384. enabled vaapi &&

  5385.     check_lib va/va.h vaInitialize -lva ||

  5386.     disable vaapi

  5387. 

  5388. enabled vaapi && enabled xlib &&

  5389.     check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&

  5390.     enable vaapi_x11

  5391. 

  5392. enabled vdpau &&

  5393.     check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||

  5394.     disable vdpau

  5395. 

  5396. enabled vdpau && enabled xlib &&

  5397.     check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&

  5398.     prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&

  5399.     enable vdpau_x11

  5400. 

  5401. # Funny iconv installations are not unusual, so check it after all flags have been set

  5402. disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv

  5403. 

  5404. enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"

  5405. 

  5406. # add some useful compiler flags if supported

  5407. check_cflags -Wdeclaration-after-statement

  5408. check_cflags -Wall

  5409. check_cflags -Wdisabled-optimization

  5410. check_cflags -Wpointer-arith

  5411. check_cflags -Wredundant-decls

  5412. check_cflags -Wwrite-strings

  5413. check_cflags -Wtype-limits

  5414. check_cflags -Wundef

  5415. check_cflags -Wmissing-prototypes

  5416. check_cflags -Wno-pointer-to-int-cast

  5417. check_cflags -Wstrict-prototypes

  5418. check_cflags -Wempty-body

  5419. enabled extra_warnings && check_cflags -Winline

  5420. 

  5421. check_disable_warning(){

  5422.     warning_flag=-W${1#-Wno-}

  5423.     test_cflags $warning_flag && add_cflags $1

  5424. }

  5425. 

  5426. check_disable_warning -Wno-parentheses

  5427. check_disable_warning -Wno-switch

  5428. check_disable_warning -Wno-format-zero-length

  5429. check_disable_warning -Wno-pointer-sign

  5430. 

  5431. # add some linker flags

  5432. check_ldflags -Wl,--warn-common

  5433. check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample

  5434. enabled rpath && add_ldexeflags -Wl,-rpath,$libdir

  5435. test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic

  5436. 

  5437. # add some strip flags

  5438. # -wN '..@*' is more selective than -x, but not available everywhere.

  5439. check_stripflags -wN \'..@*\' || check_stripflags -x

  5440. 

  5441. enabled neon_clobber_test &&

  5442.     check_ldflags -Wl,--wrap,avcodec_open2              \

  5443.                   -Wl,--wrap,avcodec_decode_audio4      \

  5444.                   -Wl,--wrap,avcodec_decode_video2      \

  5445.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  5446.                   -Wl,--wrap,avcodec_encode_audio2      \

  5447.                   -Wl,--wrap,avcodec_encode_video2      \

  5448.                   -Wl,--wrap,avcodec_encode_subtitle    \

  5449.                   -Wl,--wrap,swr_convert                \

  5450.                   -Wl,--wrap,avresample_convert ||

  5451.     disable neon_clobber_test

  5452. 

  5453. enabled xmm_clobber_test &&

  5454.     check_ldflags -Wl,--wrap,avcodec_open2              \

  5455.                   -Wl,--wrap,avcodec_decode_audio4      \

  5456.                   -Wl,--wrap,avcodec_decode_video2      \

  5457.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  5458.                   -Wl,--wrap,avcodec_encode_audio2      \

  5459.                   -Wl,--wrap,avcodec_encode_video       \

  5460.                   -Wl,--wrap,avcodec_encode_video2      \

  5461.                   -Wl,--wrap,avcodec_encode_subtitle    \

  5462.                   -Wl,--wrap,swr_convert                \

  5463.                   -Wl,--wrap,avresample_convert         \

  5464.                   -Wl,--wrap,sws_scale ||

  5465.     disable xmm_clobber_test

  5466. 

  5467. echo "X{};" > $TMPV

  5468. if test_ldflags -Wl,--version-script,$TMPV; then

  5469.     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'

  5470.     check_cc <<EOF && enable symver_asm_label

  5471. void ff_foo(void) __asm__ ("av_foo@VERSION");

  5472. void ff_foo(void) { ${inline_asm+__asm__($quotes);} }

  5473. EOF

  5474.     check_cc <<EOF && enable symver_gnu_asm

  5475. __asm__(".symver ff_foo,av_foo@VERSION");

  5476. void ff_foo(void) {}

  5477. EOF

  5478. fi

  5479. 

  5480. if [ -z "$optflags" ]; then

  5481.     if enabled small; then

  5482.         optflags=$cflags_size

  5483.     elif enabled optimizations; then

  5484.         optflags=$cflags_speed

  5485.     else

  5486.         optflags=$cflags_noopt

  5487.     fi

  5488. fi

  5489. 

  5490. check_optflags(){

  5491.     check_cflags "$@"

  5492.     enabled lto && check_ldflags "$@"

  5493. }

  5494. 

  5495. 

  5496. if enabled lto; then

  5497.     test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"

  5498.     check_cflags  -flto

  5499.     check_ldflags -flto $cpuflags

  5500.     disable inline_asm_direct_symbol_refs

  5501. fi

  5502. 

  5503. check_optflags $optflags

  5504. check_optflags -fno-math-errno

  5505. check_optflags -fno-signed-zeros

  5506. 

  5507. enabled ftrapv && check_cflags -ftrapv

  5508. 

  5509. check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"

  5510. int x;

  5511. EOF

  5512. 

  5513. 

  5514. if enabled icc; then

  5515.     # Just warnings, no remarks

  5516.     check_cflags -w1

  5517.     # -wd: Disable following warnings

  5518.     # 144, 167, 556: -Wno-pointer-sign

  5519.     # 188: enumerated type mixed with another type

  5520.     # 1292: attribute "foo" ignored

  5521.     # 1419: external declaration in primary source file

  5522.     # 10006: ignoring unknown option -fno-signed-zeros

  5523.     # 10148: ignoring unknown option -Wno-parentheses

  5524.     # 10156: ignoring option '-W'; no argument required

  5525.     # 13200: No EMMS instruction before call to function

  5526.     # 13203: No EMMS instruction before return from function

  5527.     check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203

  5528.     # 11030: Warning unknown option --as-needed

  5529.     # 10156: ignoring option '-export'; no argument required

  5530.     check_ldflags -wd10156,11030

  5531.     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test

  5532.     enable ebp_available

  5533.     # The test above does not test linking

  5534.     enabled lto && disable symver_asm_label

  5535.     if enabled x86_32; then

  5536.         icc_version=$($cc -dumpversion)

  5537.         test ${icc_version%%.*} -ge 11 &&

  5538.             check_cflags -falign-stack=maintain-16-byte ||

  5539.             disable aligned_stack

  5540.     fi

  5541. elif enabled ccc; then

  5542.     # disable some annoying warnings

  5543.     add_cflags -msg_disable bitnotint

  5544.     add_cflags -msg_disable mixfuncvoid

  5545.     add_cflags -msg_disable nonstandcast

  5546.     add_cflags -msg_disable unsupieee

  5547. elif enabled gcc; then

  5548.     check_optflags -fno-tree-vectorize

  5549.     check_cflags -Werror=format-security

  5550.     check_cflags -Werror=implicit-function-declaration

  5551.     check_cflags -Werror=missing-prototypes

  5552.     check_cflags -Werror=return-type

  5553.     check_cflags -Werror=vla

  5554.     check_cflags -Wformat

  5555.     check_cflags -fdiagnostics-color=auto

  5556.     enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized

  5557. elif enabled llvm_gcc; then

  5558.     check_cflags -mllvm -stack-alignment=16

  5559. elif enabled clang; then

  5560.     check_cflags -mllvm -stack-alignment=16

  5561.     check_cflags -Qunused-arguments

  5562.     check_cflags -Werror=implicit-function-declaration

  5563.     check_cflags -Werror=missing-prototypes

  5564.     check_cflags -Werror=return-type

  5565. elif enabled cparser; then

  5566.     add_cflags -Wno-missing-variable-declarations

  5567.     add_cflags -Wno-empty-statement

  5568. elif enabled armcc; then

  5569.     add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat

  5570.     add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir

  5571.     # 2523: use of inline assembly is deprecated

  5572.     add_cflags -W${armcc_opt},--diag_suppress=2523

  5573.     add_cflags -W${armcc_opt},--diag_suppress=1207

  5574.     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition

  5575.     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat

  5576.     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign

  5577.     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign

  5578. elif enabled tms470; then

  5579.     add_cflags -pds=824 -pds=837

  5580.     disable inline_asm

  5581. elif enabled pathscale; then

  5582.     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF

  5583. elif enabled_any msvc icl; then

  5584.     enabled x86_32 && disable aligned_stack

  5585.     enabled_all x86_32 debug && add_cflags -Oy-

  5586.     enabled debug && add_ldflags -debug

  5587.     enable pragma_deprecated

  5588.     if enabled icl; then

  5589.         # -Qansi-alias is basically -fstrict-aliasing, but does not work

  5590.         # (correctly) on icl 13.x.

  5591.         check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&

  5592.             add_cflags -Qansi-alias

  5593.         # Some inline asm is not compilable in debug

  5594.         if enabled debug; then

  5595.             disable ebp_available

  5596.             disable ebx_available

  5597.         fi

  5598.     fi

  5599.     # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.

  5600.     check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2

  5601. fi

  5602. 

  5603. case $as_type in

  5604.     clang)

  5605.         add_asflags -Qunused-arguments

  5606.     ;;

  5607. esac

  5608. 

  5609. case $ld_type in

  5610.     clang)

  5611.         check_ldflags -Qunused-arguments

  5612.     ;;

  5613. esac

  5614. 

  5615. case $target_os in

  5616.     osf1)

  5617.         enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'

  5618.     ;;

  5619.     plan9)

  5620.         add_cppflags -Dmain=plan9_main

  5621.     ;;

  5622. esac

  5623. 

  5624. enable frame_thread_encoder

  5625. 

  5626. enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }

  5627. 

  5628. check_deps $CONFIG_LIST       \

  5629.            $CONFIG_EXTRA      \

  5630.            $HAVE_LIST         \

  5631.            $ALL_COMPONENTS    \

  5632. 

  5633. 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"

  5634. 

  5635. 

  5636. if test $target_os = "haiku"; then

  5637.     disable memalign

  5638.     disable posix_memalign

  5639. fi

  5640. 

  5641. enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&

  5642.     prepend ffmpeg_libs $($ldflags_filter "-lole32" "-luser32") &&

  5643.     enable dxva2_lib

  5644. 

  5645. ! enabled_any memalign posix_memalign aligned_malloc &&

  5646.     enabled simd_align_16 && enable memalign_hack

  5647. 

  5648. # add_dep lib dep

  5649. # -> enable ${lib}_deps_${dep}

  5650. # -> add $dep to ${lib}_deps only once

  5651. add_dep() {

  5652.     lib=$1

  5653.     dep=$2

  5654.     enabled "${lib}_deps_${dep}" && return 0

  5655.     enable  "${lib}_deps_${dep}"

  5656.     prepend "${lib}_deps" $dep

  5657. }

  5658. 

  5659. # merge deps lib components

  5660. # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*

  5661. merge_deps() {

  5662.     lib=$1

  5663.     shift

  5664.     for comp in $*; do

  5665.         enabled $comp || continue

  5666.         eval "dep=\"\$${comp}_deps\""

  5667.         for d in $dep; do

  5668.             add_dep $lib $d

  5669.         done

  5670.     done

  5671. }

  5672. 

  5673. merge_deps libavfilter $FILTER_LIST

  5674. 

  5675. map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST

  5676. 

  5677. for thread in $THREADS_LIST; do

  5678.     if enabled $thread; then

  5679.         test -n "$thread_type" &&

  5680.             die "ERROR: Only one thread type must be selected." ||

  5681.             thread_type="$thread"

  5682.     fi

  5683. done

  5684. 

  5685. enabled zlib && add_cppflags -DZLIB_CONST

  5686. 

  5687. # conditional library dependencies, in linking order

  5688. enabled amovie_filter       && prepend avfilter_deps "avformat avcodec"

  5689. enabled aresample_filter    && prepend avfilter_deps "swresample"

  5690. enabled asyncts_filter      && prepend avfilter_deps "avresample"

  5691. enabled atempo_filter       && prepend avfilter_deps "avcodec"

  5692. enabled cover_rect_filter   && prepend avfilter_deps "avformat avcodec"

  5693. enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"

  5694. enabled elbg_filter         && prepend avfilter_deps "avcodec"

  5695. enabled fftfilt_filter      && prepend avfilter_deps "avcodec"

  5696. enabled find_rect_filter    && prepend avfilter_deps "avformat avcodec"

  5697. enabled mcdeint_filter      && prepend avfilter_deps "avcodec"

  5698. enabled movie_filter    && prepend avfilter_deps "avformat avcodec"

  5699. enabled pan_filter          && prepend avfilter_deps "swresample"

  5700. enabled pp_filter           && prepend avfilter_deps "postproc"

  5701. enabled removelogo_filter   && prepend avfilter_deps "avformat avcodec swscale"

  5702. enabled resample_filter && prepend avfilter_deps "avresample"

  5703. enabled sab_filter          && prepend avfilter_deps "swscale"

  5704. enabled scale_filter    && prepend avfilter_deps "swscale"

  5705. enabled showspectrum_filter && prepend avfilter_deps "avcodec"

  5706. enabled smartblur_filter    && prepend avfilter_deps "swscale"

  5707. enabled subtitles_filter    && prepend avfilter_deps "avformat avcodec"

  5708. enabled uspp_filter         && prepend avfilter_deps "avcodec"

  5709. 

  5710. enabled lavfi_indev         && prepend avdevice_deps "avfilter"

  5711. 

  5712. enabled opus_decoder    && prepend avcodec_deps "swresample"

  5713. 

  5714. expand_deps(){

  5715.     lib_deps=${1}_deps

  5716.     eval "deps=\$$lib_deps"

  5717.     append $lib_deps $(map 'eval echo \$${v}_deps' $deps)

  5718.     unique $lib_deps

  5719. }

  5720. 

  5721. #we have to remove gpl from the deps here as some code assumes all lib deps are libs

  5722. postproc_deps="$(filter_out 'gpl' $postproc_deps)"

  5723. 

  5724. map 'expand_deps $v' $LIBRARY_LIST

  5725. 

  5726. echo "install prefix            $prefix"

  5727. echo "source path               $source_path"

  5728. echo "C compiler                $cc"

  5729. echo "C library                 $libc_type"

  5730. if test "$host_cc" != "$cc"; then

  5731.     echo "host C compiler           $host_cc"

  5732.     echo "host C library            $host_libc_type"

  5733. fi

  5734. echo "ARCH                      $arch ($cpu)"

  5735. if test "$build_suffix" != ""; then

  5736.     echo "build suffix              $build_suffix"

  5737. fi

  5738. if test "$progs_suffix" != ""; then

  5739.     echo "progs suffix              $progs_suffix"

  5740. fi

  5741. if test "$extra_version" != ""; then

  5742.     echo "version string suffix     $extra_version"

  5743. fi

  5744. echo "big-endian                ${bigendian-no}"

  5745. echo "runtime cpu detection     ${runtime_cpudetect-no}"

  5746. if enabled x86; then

  5747.     echo "${yasmexe}                      ${yasm-no}"

  5748.     echo "MMX enabled               ${mmx-no}"

  5749.     echo "MMXEXT enabled            ${mmxext-no}"

  5750.     echo "3DNow! enabled            ${amd3dnow-no}"

  5751.     echo "3DNow! extended enabled   ${amd3dnowext-no}"

  5752.     echo "SSE enabled               ${sse-no}"

  5753.     echo "SSSE3 enabled             ${ssse3-no}"

  5754.     echo "AVX enabled               ${avx-no}"

  5755.     echo "XOP enabled               ${xop-no}"

  5756.     echo "FMA3 enabled              ${fma3-no}"

  5757.     echo "FMA4 enabled              ${fma4-no}"

  5758.     echo "i686 features enabled     ${i686-no}"

  5759.     echo "CMOV is fast              ${fast_cmov-no}"

  5760.     echo "EBX available             ${ebx_available-no}"

  5761.     echo "EBP available             ${ebp_available-no}"

  5762. fi

  5763. if enabled aarch64; then

  5764.     echo "NEON enabled              ${neon-no}"

  5765.     echo "VFP enabled               ${vfp-no}"

  5766. fi

  5767. if enabled arm; then

  5768.     echo "ARMv5TE enabled           ${armv5te-no}"

  5769.     echo "ARMv6 enabled             ${armv6-no}"

  5770.     echo "ARMv6T2 enabled           ${armv6t2-no}"

  5771.     echo "VFP enabled               ${vfp-no}"

  5772.     echo "NEON enabled              ${neon-no}"

  5773.     echo "THUMB enabled             ${thumb-no}"

  5774. fi

  5775. if enabled mips; then

  5776.     echo "MIPS FPU enabled          ${mipsfpu-no}"

  5777.     echo "MIPS32R5 enabled          ${mips32r5-no}"

  5778.     echo "MIPS64R6 enabled          ${mips64r6-no}"

  5779.     echo "MIPS DSP R1 enabled       ${mipsdspr1-no}"

  5780.     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"

  5781.     echo "MIPS MSA enabled          ${msa-no}"

  5782.     echo "LOONGSON3 enabled         ${loongson3-no}"

  5783. fi

  5784. if enabled ppc; then

  5785.     echo "AltiVec enabled           ${altivec-no}"

  5786.     echo "VSX enabled               ${vsx-no}"

  5787.     echo "POWER8 enabled            ${power8-no}"

  5788.     echo "PPC 4xx optimizations     ${ppc4xx-no}"

  5789.     echo "dcbzl available           ${dcbzl-no}"

  5790. fi

  5791. echo "debug symbols             ${debug-no}"

  5792. echo "strip symbols             ${stripping-no}"

  5793. echo "optimize for size         ${small-no}"

  5794. echo "optimizations             ${optimizations-no}"

  5795. echo "static                    ${static-no}"

  5796. echo "shared                    ${shared-no}"

  5797. echo "postprocessing support    ${postproc-no}"

  5798. echo "new filter support        ${avfilter-no}"

  5799. echo "network support           ${network-no}"

  5800. echo "threading support         ${thread_type-no}"

  5801. echo "safe bitstream reader     ${safe_bitstream_reader-no}"

  5802. echo "SDL support               ${sdl-no}"

  5803. echo "opencl enabled            ${opencl-no}"

  5804. echo "texi2html enabled         ${texi2html-no}"

  5805. echo "perl enabled              ${perl-no}"

  5806. echo "pod2man enabled           ${pod2man-no}"

  5807. echo "makeinfo enabled          ${makeinfo-no}"

  5808. echo "makeinfo supports HTML    ${makeinfo_html-no}"

  5809. test -n "$random_seed" &&

  5810.     echo "random seed               ${random_seed}"

  5811. echo

  5812. 

  5813. echo "External libraries:"

  5814. print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns

  5815. echo

  5816. 

  5817. for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do

  5818.     echo "Enabled ${type}s:"

  5819.     eval list=\$$(toupper $type)_LIST

  5820.     print_enabled '_*' $list | print_3_columns

  5821.     echo

  5822. done

  5823. 

  5824. license="LGPL version 2.1 or later"

  5825. if enabled nonfree; then

  5826.     license="nonfree and unredistributable"

  5827. elif enabled gplv3; then

  5828.     license="GPL version 3 or later"

  5829. elif enabled lgplv3; then

  5830.     license="LGPL version 3 or later"

  5831. elif enabled gpl; then

  5832.     license="GPL version 2 or later"

  5833. fi

  5834. 

  5835. echo "License: $license"

  5836. 

  5837. echo "Creating config.mak, config.h, and doc/config.texi..."

  5838. 

  5839. test -e Makefile || echo "include $source_path/Makefile" > Makefile

  5840. 

  5841. enabled stripping || strip="echo skipping strip"

  5842. 

  5843. config_files="$TMPH config.mak doc/config.texi"

  5844. 

  5845. cat > config.mak <<EOF

  5846. # Automatically generated by configure - do not modify!

  5847. ifndef FFMPEG_CONFIG_MAK

  5848. FFMPEG_CONFIG_MAK=1

  5849. FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION

  5850. prefix=$prefix

  5851. LIBDIR=\$(DESTDIR)$libdir

  5852. SHLIBDIR=\$(DESTDIR)$shlibdir

  5853. INCDIR=\$(DESTDIR)$incdir

  5854. BINDIR=\$(DESTDIR)$bindir

  5855. DATADIR=\$(DESTDIR)$datadir

  5856. DOCDIR=\$(DESTDIR)$docdir

  5857. MANDIR=\$(DESTDIR)$mandir

  5858. PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir

  5859. SRC_PATH=$source_path

  5860. ifndef MAIN_MAKEFILE

  5861. SRC_PATH:=\$(SRC_PATH:.%=..%)

  5862. endif

  5863. CC_IDENT=$cc_ident

  5864. ARCH=$arch

  5865. INTRINSICS=$intrinsics

  5866. CC=$cc

  5867. CXX=$cxx

  5868. AS=$as

  5869. LD=$ld

  5870. DEPCC=$dep_cc

  5871. DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)

  5872. DEPAS=$as

  5873. DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)

  5874. YASM=$yasmexe

  5875. DEPYASM=$yasmexe

  5876. AR=$ar

  5877. ARFLAGS=$arflags

  5878. AR_O=$ar_o

  5879. RANLIB=$ranlib

  5880. STRIP=$strip

  5881. CP=cp -p

  5882. LN_S=$ln_s

  5883. CPPFLAGS=$CPPFLAGS

  5884. CFLAGS=$CFLAGS

  5885. CXXFLAGS=$CXXFLAGS

  5886. ASFLAGS=$ASFLAGS

  5887. AS_C=$AS_C

  5888. AS_O=$AS_O

  5889. CC_C=$CC_C

  5890. CC_E=$CC_E

  5891. CC_O=$CC_O

  5892. CXX_C=$CXX_C

  5893. CXX_O=$CXX_O

  5894. LD_O=$LD_O

  5895. LD_LIB=$LD_LIB

  5896. LD_PATH=$LD_PATH

  5897. DLLTOOL=$dlltool

  5898. WINDRES=$windres

  5899. DEPWINDRES=$dep_cc

  5900. DOXYGEN=$doxygen

  5901. LDFLAGS=$LDFLAGS

  5902. LDEXEFLAGS=$LDEXEFLAGS

  5903. SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))

  5904. ASMSTRIPFLAGS=$ASMSTRIPFLAGS

  5905. YASMFLAGS=$YASMFLAGS

  5906. BUILDSUF=$build_suffix

  5907. PROGSSUF=$progs_suffix

  5908. FULLNAME=$FULLNAME

  5909. LIBPREF=$LIBPREF

  5910. LIBSUF=$LIBSUF

  5911. LIBNAME=$LIBNAME

  5912. SLIBPREF=$SLIBPREF

  5913. SLIBSUF=$SLIBSUF

  5914. EXESUF=$EXESUF

  5915. EXTRA_VERSION=$extra_version

  5916. CCDEP=$CCDEP

  5917. CXXDEP=$CXXDEP

  5918. CCDEP_FLAGS=$CCDEP_FLAGS

  5919. ASDEP=$ASDEP

  5920. ASDEP_FLAGS=$ASDEP_FLAGS

  5921. CC_DEPFLAGS=$CC_DEPFLAGS

  5922. AS_DEPFLAGS=$AS_DEPFLAGS

  5923. HOSTCC=$host_cc

  5924. HOSTLD=$host_ld

  5925. HOSTCFLAGS=$host_cflags

  5926. HOSTCPPFLAGS=$host_cppflags

  5927. HOSTEXESUF=$HOSTEXESUF

  5928. HOSTLDFLAGS=$host_ldflags

  5929. HOSTLIBS=$host_libs

  5930. DEPHOSTCC=$host_cc

  5931. DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)

  5932. HOSTCCDEP=$HOSTCCDEP

  5933. HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS

  5934. HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS

  5935. HOSTCC_C=$HOSTCC_C

  5936. HOSTCC_O=$HOSTCC_O

  5937. HOSTLD_O=$HOSTLD_O

  5938. TARGET_EXEC=$target_exec $target_exec_args

  5939. TARGET_PATH=$target_path

  5940. TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}

  5941. CFLAGS-ffplay=$sdl_cflags

  5942. ZLIB=$($ldflags_filter -lz)

  5943. LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD

  5944. EXTRALIBS=$extralibs

  5945. COMPAT_OBJS=$compat_objs

  5946. EXEOBJS=$exeobjs

  5947. INSTALL=$install

  5948. LIBTARGET=${LIBTARGET}

  5949. SLIBNAME=${SLIBNAME}

  5950. SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}

  5951. SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}

  5952. SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}

  5953. SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}

  5954. SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}

  5955. SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}

  5956. SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}

  5957. SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}

  5958. SAMPLES:=${samples:-\$(FATE_SAMPLES)}

  5959. NOREDZONE_FLAGS=$noredzone_flags

  5960. EOF

  5961. 

  5962. get_version(){

  5963.     lcname=lib${1}

  5964.     name=$(toupper $lcname)

  5965.     file=$source_path/$lcname/version.h

  5966.     eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")

  5967.     enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))

  5968.     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO

  5969.     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak

  5970.     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak

  5971.     eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak

  5972. }

  5973. 

  5974. map 'get_version $v' $LIBRARY_LIST

  5975. 

  5976. map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST

  5977. 

  5978. print_program_libs(){

  5979.     eval "program_libs=\$${1}_libs"

  5980.     eval echo "LIBS-${1}=${program_libs}" >> config.mak

  5981. }

  5982. 

  5983. map 'print_program_libs $v' $PROGRAM_LIST

  5984. 

  5985. cat > $TMPH <<EOF

  5986. /* Automatically generated by configure - do not modify! */

  5987. #ifndef FFMPEG_CONFIG_H

  5988. #define FFMPEG_CONFIG_H

  5989. #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"

  5990. #define FFMPEG_LICENSE "$(c_escape $license)"

  5991. #define CONFIG_THIS_YEAR 2015

  5992. #define FFMPEG_DATADIR "$(eval c_escape $datadir)"

  5993. #define AVCONV_DATADIR "$(eval c_escape $datadir)"

  5994. #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"

  5995. #define av_restrict $_restrict

  5996. #define EXTERN_PREFIX "${extern_prefix}"

  5997. #define EXTERN_ASM ${extern_prefix}

  5998. #define BUILDSUF "$build_suffix"

  5999. #define SLIBSUF "$SLIBSUF"

  6000. #define HAVE_MMX2 HAVE_MMXEXT

  6001. #define SWS_MAX_FILTER_SIZE $sws_max_filter_size

  6002. EOF

  6003. 

  6004. test -n "$assert_level" &&

  6005.     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH

  6006. 

  6007. test -n "$malloc_prefix" &&

  6008.     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH

  6009. 

  6010. if enabled yasm; then

  6011.     append config_files $TMPASM

  6012.     printf '' >$TMPASM

  6013. fi

  6014. 

  6015. enabled getenv || echo "#define getenv(x) NULL" >> $TMPH

  6016. 

  6017. 

  6018. mkdir -p doc

  6019. mkdir -p tests

  6020. mkdir -p tests/api

  6021. echo "@c auto-generated by configure" > doc/config.texi

  6022. 

  6023. print_config ARCH_   "$config_files" $ARCH_LIST

  6024. print_config HAVE_   "$config_files" $HAVE_LIST

  6025. print_config CONFIG_ "$config_files" $CONFIG_LIST       \

  6026.                                      $CONFIG_EXTRA      \

  6027.                                      $ALL_COMPONENTS    \

  6028. 

  6029. echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH

  6030. echo "endif # FFMPEG_CONFIG_MAK" >> config.mak

  6031. 

  6032. # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.

  6033. cp_if_changed $TMPH config.h

  6034. touch .config

  6035. 

  6036. enabled yasm && cp_if_changed $TMPASM config.asm

  6037. 

  6038. cat > $TMPH <<EOF

  6039. /* Generated by ffconf */

  6040. #ifndef AVUTIL_AVCONFIG_H

  6041. #define AVUTIL_AVCONFIG_H

  6042. EOF

  6043. 

  6044. print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB

  6045. 

  6046. echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH

  6047. 

  6048. cp_if_changed $TMPH libavutil/avconfig.h

  6049. 

  6050. if test -n "$WARNINGS"; then

  6051.     printf "\n$WARNINGS"

  6052.     enabled fatal_warnings && exit 1

  6053. fi

  6054. 

  6055. # build pkg-config files

  6056. 

  6057. lib_version(){

  6058.     eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""

  6059. }

  6060. 

  6061. pkgconfig_generate(){

  6062.     name=$1

  6063.     shortname=${name#lib}${build_suffix}

  6064.     comment=$2

  6065.     version=$3

  6066.     libs=$4

  6067.     requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))

  6068.     requires=${requires%, }

  6069.     enabled ${name#lib} || return 0

  6070.     mkdir -p $name

  6071.     cat <<EOF > $name/$name${build_suffix}.pc

  6072. prefix=$prefix

  6073. exec_prefix=\${prefix}

  6074. libdir=$libdir

  6075. includedir=$incdir

  6076. 

  6077. Name: $name

  6078. Description: $comment

  6079. Version: $version

  6080. Requires: $(enabled shared || echo $requires)

  6081. Requires.private: $(enabled shared && echo $requires)

  6082. Conflicts:

  6083. Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)

  6084. Libs.private: $(enabled shared && echo $libs)

  6085. Cflags: -I\${includedir}

  6086. EOF

  6087. 

  6088. mkdir -p doc/examples/pc-uninstalled

  6089. includedir=${source_path}

  6090. [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."

  6091.     cat <<EOF > doc/examples/pc-uninstalled/$name.pc

  6092. prefix=

  6093. exec_prefix=

  6094. libdir=\${pcfiledir}/../../../$name

  6095. includedir=${includedir}

  6096. 

  6097. Name: $name

  6098. Description: $comment

  6099. Version: $version

  6100. Requires: $requires

  6101. Conflicts:

  6102. Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)

  6103. Cflags: -I\${includedir}

  6104. EOF

  6105. }

  6106. 

  6107. pkgconfig_generate libavutil     "FFmpeg utility library"               "$LIBAVUTIL_VERSION"     "$LIBRT $LIBM"

  6108. pkgconfig_generate libavcodec    "FFmpeg codec library"                 "$LIBAVCODEC_VERSION"    "$extralibs"

  6109. pkgconfig_generate libavformat   "FFmpeg container format library"      "$LIBAVFORMAT_VERSION"   "$extralibs"

  6110. pkgconfig_generate libavdevice   "FFmpeg device handling library"       "$LIBAVDEVICE_VERSION"   "$extralibs"

  6111. pkgconfig_generate libavfilter   "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION"   "$extralibs"

  6112. pkgconfig_generate libpostproc   "FFmpeg postprocessing library"        "$LIBPOSTPROC_VERSION"   ""

  6113. pkgconfig_generate libavresample "Libav audio resampling library"       "$LIBAVRESAMPLE_VERSION" "$LIBM"

  6114. pkgconfig_generate libswscale    "FFmpeg image rescaling library"       "$LIBSWSCALE_VERSION"    "$LIBM"

  6115. pkgconfig_generate libswresample "FFmpeg audio resampling library"      "$LIBSWRESAMPLE_VERSION" "$LIBM"