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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-ldlibflags=ELDFLAGS add ELDFLAGS to LDLIBFLAGS [$LDLIBFLAGS]

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

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

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

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

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

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

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

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

  334. 

  335. Advanced options (experts only):

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

  337.   --disable-symver         disable symbol versioning

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

  339.   --disable-safe-bitstream-reader

  340.                            disable buffer boundary checking in bitreaders

  341.                            (faster, but may crash)

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

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

  344. 

  345. Optimization options (experts only):

  346.   --disable-asm            disable all assembly optimizations

  347.   --disable-altivec        disable AltiVec optimizations

  348.   --disable-vsx            disable VSX optimizations

  349.   --disable-power8         disable POWER8 optimizations

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

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

  352.   --disable-mmx            disable MMX optimizations

  353.   --disable-mmxext         disable MMXEXT optimizations

  354.   --disable-sse            disable SSE optimizations

  355.   --disable-sse2           disable SSE2 optimizations

  356.   --disable-sse3           disable SSE3 optimizations

  357.   --disable-ssse3          disable SSSE3 optimizations

  358.   --disable-sse4           disable SSE4 optimizations

  359.   --disable-sse42          disable SSE4.2 optimizations

  360.   --disable-avx            disable AVX optimizations

  361.   --disable-xop            disable XOP optimizations

  362.   --disable-fma3           disable FMA3 optimizations

  363.   --disable-fma4           disable FMA4 optimizations

  364.   --disable-avx2           disable AVX2 optimizations

  365.   --disable-armv5te        disable armv5te optimizations

  366.   --disable-armv6          disable armv6 optimizations

  367.   --disable-armv6t2        disable armv6t2 optimizations

  368.   --disable-vfp            disable VFP optimizations

  369.   --disable-neon           disable NEON optimizations

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

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

  372.   --disable-mips32r5       disable MIPS32R5 optimizations

  373.   --disable-mips64r6       disable MIPS64R6 optimizations

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

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

  376.   --disable-msa            disable MSA optimizations

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

  378.   --disable-mmi            disable Loongson SIMD optimizations

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

  380. 

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

  382.   --disable-debug          disable debugging symbols

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

  384.   --disable-optimizations  disable compiler optimizations

  385.   --enable-extra-warnings  enable more compiler warnings

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

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

  388.                            2 causes a slowdown at runtime.

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

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

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

  392.                            Cannot be combined with --target-exec

  393.   --enable-ftrapv          Trap arithmetic overflows

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

  395.                            \$FATE_SAMPLES at make invocation time.

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

  397.                            used only for debugging purposes)

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

  399.                            should be used only for debugging purposes)

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

  401.   --disable-random

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

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

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

  405.                            (group) and PROB the probability associated with

  406.                            NAME (default 0.5).

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

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

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

  410. 

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

  412. EOF

  413.   exit 0

  414. }

  415. 

  416. quotes='""'

  417. 

  418. log(){

  419.     echo "$@" >> $logfile

  420. }

  421. 

  422. log_file(){

  423.     log BEGIN $1

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

  425.     log END $1

  426. }

  427. 

  428. echolog(){

  429.     log "$@"

  430.     echo "$@"

  431. }

  432. 

  433. warn(){

  434.     log "WARNING: $*"

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

  436. }

  437. 

  438. die(){

  439.     echolog "$@"

  440.     cat <<EOF

  441. 

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

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

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

  445. EOF

  446.     if disabled logging; then

  447.         cat <<EOF

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

  449. include the log this produces with your report.

  450. EOF

  451.     else

  452.         cat <<EOF

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

  454. solve the problem.

  455. EOF

  456.     fi

  457.     exit 1

  458. }

  459. 

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

  461. toupper(){

  462.     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ

  463. }

  464. 

  465. tolower(){

  466.     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz

  467. }

  468. 

  469. c_escape(){

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

  471. }

  472. 

  473. sh_quote(){

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

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

  476.     echo "$v"

  477. }

  478. 

  479. cleanws(){

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

  481. }

  482. 

  483. filter(){

  484.     pat=$1

  485.     shift

  486.     for v; do

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

  488.     done

  489. }

  490. 

  491. filter_out(){

  492.     pat=$1

  493.     shift

  494.     for v; do

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

  496.     done

  497. }

  498. 

  499. map(){

  500.     m=$1

  501.     shift

  502.     for v; do eval $m; done

  503. }

  504. 

  505. add_suffix(){

  506.     suffix=$1

  507.     shift

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

  509. }

  510. 

  511. set_all(){

  512.     value=$1

  513.     shift

  514.     for var in $*; do

  515.         eval $var=$value

  516.     done

  517. }

  518. 

  519. set_weak(){

  520.     value=$1

  521.     shift

  522.     for var; do

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

  524.     done

  525. }

  526. 

  527. sanitize_var_name(){

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

  529. }

  530. 

  531. set_safe(){

  532.     var=$1

  533.     shift

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

  535. }

  536. 

  537. get_safe(){

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

  539. }

  540. 

  541. pushvar(){

  542.     for pvar in $*; do

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

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

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

  546.     done

  547. }

  548. 

  549. popvar(){

  550.     for pvar in $*; do

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

  552.         test $level = 0 && continue

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

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

  555.         eval ${pvar}_level=$level

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

  557.     done

  558. }

  559. 

  560. enable(){

  561.     set_all yes $*

  562. }

  563. 

  564. disable(){

  565.     set_all no $*

  566. }

  567. 

  568. enable_weak(){

  569.     set_weak yes $*

  570. }

  571. 

  572. disable_weak(){

  573.     set_weak no $*

  574. }

  575. 

  576. enable_safe(){

  577.     for var; do

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

  579.     done

  580. }

  581. 

  582. disable_safe(){

  583.     for var; do

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

  585.     done

  586. }

  587. 

  588. do_enable_deep(){

  589.     for var; do

  590.         enabled $var && continue

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

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

  593.         pushvar var sgs

  594.         enable_deep $sel

  595.         popvar sgs

  596.         enable_deep_weak $sgs

  597.         popvar var

  598.     done

  599. }

  600. 

  601. enable_deep(){

  602.     do_enable_deep $*

  603.     enable $*

  604. }

  605. 

  606. enable_deep_weak(){

  607.     for var; do

  608.         disabled $var && continue

  609.         pushvar var

  610.         do_enable_deep $var

  611.         popvar var

  612.         enable_weak $var

  613.     done

  614. }

  615. 

  616. enabled(){

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

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

  619. }

  620. 

  621. disabled(){

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

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

  624. }

  625. 

  626. enabled_all(){

  627.     for opt; do

  628.         enabled $opt || return 1

  629.     done

  630. }

  631. 

  632. disabled_all(){

  633.     for opt; do

  634.         disabled $opt || return 1

  635.     done

  636. }

  637. 

  638. enabled_any(){

  639.     for opt; do

  640.         enabled $opt && return 0

  641.     done

  642. }

  643. 

  644. disabled_any(){

  645.     for opt; do

  646.         disabled $opt && return 0

  647.     done

  648.     return 1

  649. }

  650. 

  651. set_default(){

  652.     for opt; do

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

  654.     done

  655. }

  656. 

  657. is_in(){

  658.     value=$1

  659.     shift

  660.     for var in $*; do

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

  662.     done

  663.     return 1

  664. }

  665. 

  666. do_check_deps(){

  667.     for cfg; do

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

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

  670.         disabled ${cfg}_checking && continue

  671.         enable ${cfg}_checking

  672.         append allopts $cfg

  673. 

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

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

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

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

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

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

  680. 

  681.         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

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

  683.         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

  684. 

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

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

  687.         enabled_all  $dep_all || disable $cfg

  688.         enabled_any  $dep_any || disable $cfg

  689.         disabled_any $dep_sel && disable $cfg

  690. 

  691.         if enabled $cfg; then

  692.             enable_deep $dep_sel

  693.             enable_deep_weak $dep_sgs

  694.         fi

  695. 

  696.         disable ${cfg}_checking

  697.     done

  698. }

  699. 

  700. check_deps(){

  701.     unset allopts

  702. 

  703.     do_check_deps "$@"

  704. 

  705.     for cfg in $allopts; do

  706.         enabled $cfg || continue

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

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

  709.     done

  710. }

  711. 

  712. print_config(){

  713.     pfx=$1

  714.     files=$2

  715.     shift 2

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

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

  718.         {

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

  720.             v = \$2;

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

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

  723.             for (f in files) {

  724.                 file = files[f];

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

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

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

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

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

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

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

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

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

  734.                     yesno = \$2;

  735.                     c2 = tolower(c);

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

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

  738.                 }

  739.             }

  740.         }"

  741. }

  742. 

  743. print_enabled(){

  744.     suf=$1

  745.     shift

  746.     for v; do

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

  748.     done

  749. }

  750. 

  751. append(){

  752.     var=$1

  753.     shift

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

  755. }

  756. 

  757. prepend(){

  758.     var=$1

  759.     shift

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

  761. }

  762. 

  763. unique(){

  764.     var=$1

  765.     uniq_list=""

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

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

  768.     done

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

  770. }

  771. 

  772. add_cppflags(){

  773.     append CPPFLAGS "$@"

  774. }

  775. 

  776. add_cflags(){

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

  778. }

  779. 

  780. add_cxxflags(){

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

  782. }

  783. 

  784. add_asflags(){

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

  786. }

  787. 

  788. add_ldflags(){

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

  790. }

  791. 

  792. add_ldexeflags(){

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

  794. }

  795. 

  796. add_ldlibflags(){

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

  798. }

  799. 

  800. add_stripflags(){

  801.     append ASMSTRIPFLAGS "$@"

  802. }

  803. 

  804. add_extralibs(){

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

  806. }

  807. 

  808. add_host_cppflags(){

  809.     append host_cppflags "$@"

  810. }

  811. 

  812. add_host_cflags(){

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

  814. }

  815. 

  816. add_host_ldflags(){

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

  818. }

  819. 

  820. add_compat(){

  821.     append compat_objs $1

  822.     shift

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

  824. }

  825. 

  826. check_cmd(){

  827.     log "$@"

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

  829. }

  830. 

  831. check_stat(){

  832.     log check_stat "$@"

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

  834. }

  835. 

  836. cc_o(){

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

  838. }

  839. 

  840. cc_e(){

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

  842. }

  843. 

  844. check_cc(){

  845.     log check_cc "$@"

  846.     cat > $TMPC

  847.     log_file $TMPC

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

  849. }

  850. 

  851. check_cxx(){

  852.     log check_cxx "$@"

  853.     cat > $TMPCPP

  854.     log_file $TMPCPP

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

  856. }

  857. 

  858. check_oc(){

  859.     log check_oc "$@"

  860.     cat > $TMPM

  861.     log_file $TMPM

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

  863. }

  864. 

  865. check_cpp(){

  866.     log check_cpp "$@"

  867.     cat > $TMPC

  868.     log_file $TMPC

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

  870. }

  871. 

  872. as_o(){

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

  874. }

  875. 

  876. check_as(){

  877.     log check_as "$@"

  878.     cat > $TMPS

  879.     log_file $TMPS

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

  881. }

  882. 

  883. check_inline_asm(){

  884.     log check_inline_asm "$@"

  885.     name="$1"

  886.     code="$2"

  887.     shift 2

  888.     disable $name

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

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

  891. EOF

  892. }

  893. 

  894. check_insn(){

  895.     log check_insn "$@"

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

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

  898. }

  899. 

  900. check_yasm(){

  901.     log check_yasm "$@"

  902.     echo "$1" > $TMPS

  903.     log_file $TMPS

  904.     shift 1

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

  906. }

  907. 

  908. ld_o(){

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

  910. }

  911. 

  912. check_ld(){

  913.     log check_ld "$@"

  914.     type=$1

  915.     shift 1

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

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

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

  919.     flags=$($ldflags_filter $flags)

  920.     libs=$($ldflags_filter $libs)

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

  922. }

  923. 

  924. print_include(){

  925.     hdr=$1

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

  927.         echo "#include $hdr"    ||

  928.         echo "#include <$hdr>"

  929. }

  930. 

  931. check_code(){

  932.     log check_code "$@"

  933.     check=$1

  934.     headers=$2

  935.     code=$3

  936.     shift 3

  937.     {

  938.         for hdr in $headers; do

  939.             print_include $hdr

  940.         done

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

  942.     } | check_$check "$@"

  943. }

  944. 

  945. check_cppflags(){

  946.     log check_cppflags "$@"

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

  948. int x;

  949. EOF

  950. }

  951. 

  952. test_cflags(){

  953.     log test_cflags "$@"

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

  955.     check_cc "$@" <<EOF

  956. int x;

  957. EOF

  958. }

  959. 

  960. check_cflags(){

  961.     log check_cflags "$@"

  962.     test_cflags "$@" && add_cflags "$@"

  963. }

  964. 

  965. check_cxxflags(){

  966.     log check_cxxflags "$@"

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

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

  969. int x;

  970. EOF

  971. }

  972. 

  973. test_ldflags(){

  974.     log test_ldflags "$@"

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

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

  977. EOF

  978. }

  979. 

  980. check_ldflags(){

  981.     log check_ldflags "$@"

  982.     test_ldflags "$@" && add_ldflags "$@"

  983. }

  984. 

  985. test_stripflags(){

  986.     log test_stripflags "$@"

  987.     # call check_cc to get a fresh TMPO

  988.     check_cc <<EOF

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

  990. EOF

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

  992. }

  993. 

  994. check_stripflags(){

  995.     log check_stripflags "$@"

  996.     test_stripflags "$@" && add_stripflags "$@"

  997. }

  998. 

  999. check_header(){

  1000.     log check_header "$@"

  1001.     header=$1

  1002.     shift

  1003.     disable_safe $header

  1004.     check_cpp "$@" <<EOF && enable_safe $header

  1005. #include <$header>

  1006. int x;

  1007. EOF

  1008. }

  1009. 

  1010. check_header_oc(){

  1011.     log check_header_oc "$@"

  1012.     rm -f -- "$TMPO"

  1013.     header=$1

  1014.     shift

  1015.     disable_safe $header

  1016.     {

  1017.        echo "#include <$header>"

  1018.        echo "int main(void) { return 0; }"

  1019.     } | check_oc && check_stat "$TMPO" && enable_safe $headers

  1020. }

  1021. 

  1022. check_func(){

  1023.     log check_func "$@"

  1024.     func=$1

  1025.     shift

  1026.     disable $func

  1027.     check_ld "cc" "$@" <<EOF && enable $func

  1028. extern int $func();

  1029. int main(void){ $func(); }

  1030. EOF

  1031. }

  1032. 

  1033. check_mathfunc(){

  1034.     log check_mathfunc "$@"

  1035.     func=$1

  1036.     narg=$2

  1037.     shift 2

  1038.     test $narg = 2 && args="f, g" || args="f"

  1039.     disable $func

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

  1041. #include <math.h>

  1042. float foo(float f, float g) { return $func($args); }

  1043. int main(void){ return (int) foo; }

  1044. EOF

  1045. }

  1046. 

  1047. check_func_headers(){

  1048.     log check_func_headers "$@"

  1049.     headers=$1

  1050.     funcs=$2

  1051.     shift 2

  1052.     {

  1053.         for hdr in $headers; do

  1054.             print_include $hdr

  1055.         done

  1056.         for func in $funcs; do

  1057.             echo "long check_$func(void) { return (long) $func; }"

  1058.         done

  1059.         echo "int main(void) { return 0; }"

  1060.     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers

  1061. }

  1062. 

  1063. check_class_headers_cpp(){

  1064.     log check_class_headers_cpp "$@"

  1065.     headers=$1

  1066.     classes=$2

  1067.     shift 2

  1068.     {

  1069.         for hdr in $headers; do

  1070.             echo "#include <$hdr>"

  1071.         done

  1072.         echo "int main(void) { "

  1073.         i=1

  1074.         for class in $classes; do

  1075.             echo "$class obj$i;"

  1076.             i=$(expr $i + 1)

  1077.         done

  1078.         echo "return 0; }"

  1079.     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers

  1080. }

  1081. 

  1082. check_cpp_condition(){

  1083.     log check_cpp_condition "$@"

  1084.     header=$1

  1085.     condition=$2

  1086.     shift 2

  1087.     check_cpp "$@" <<EOF

  1088. #include <$header>

  1089. #if !($condition)

  1090. #error "unsatisfied condition: $condition"

  1091. #endif

  1092. EOF

  1093. }

  1094. 

  1095. check_lib(){

  1096.     log check_lib "$@"

  1097.     header="$1"

  1098.     func="$2"

  1099.     shift 2

  1100.     check_header $header && check_func $func "$@" && add_extralibs "$@"

  1101. }

  1102. 

  1103. check_lib2(){

  1104.     log check_lib2 "$@"

  1105.     headers="$1"

  1106.     funcs="$2"

  1107.     shift 2

  1108.     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"

  1109. }

  1110. 

  1111. check_lib_cpp(){

  1112.     log check_lib_cpp "$@"

  1113.     headers="$1"

  1114.     classes="$2"

  1115.     shift 2

  1116.     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"

  1117. }

  1118. 

  1119. check_pkg_config(){

  1120.     log check_pkg_config "$@"

  1121.     pkgandversion="$1"

  1122.     pkg="${1%% *}"

  1123.     headers="$2"

  1124.     funcs="$3"

  1125.     shift 3

  1126.     check_cmd $pkg_config --exists --print-errors $pkgandversion || return

  1127.     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)

  1128.     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)

  1129.     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&

  1130.         set_safe "${pkg}_cflags" $pkg_cflags   &&

  1131.         set_safe "${pkg}_libs"   $pkg_libs

  1132. }

  1133. 

  1134. check_exec(){

  1135.     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }

  1136. }

  1137. 

  1138. check_exec_crash(){

  1139.     code=$(cat)

  1140. 

  1141.     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)

  1142.     # are safe but may not be available everywhere.  Thus we use

  1143.     # raise(SIGTERM) instead.  The check is run in a subshell so we

  1144.     # can redirect the "Terminated" message from the shell.  SIGBUS

  1145.     # is not defined by standard C so it is used conditionally.

  1146. 

  1147.     (check_exec "$@") >> $logfile 2>&1 <<EOF

  1148. #include <signal.h>

  1149. static void sighandler(int sig){

  1150.     raise(SIGTERM);

  1151. }

  1152. int foo(void){

  1153.     $code

  1154. }

  1155. int (*func_ptr)(void) = foo;

  1156. int main(void){

  1157.     signal(SIGILL, sighandler);

  1158.     signal(SIGFPE, sighandler);

  1159.     signal(SIGSEGV, sighandler);

  1160. #ifdef SIGBUS

  1161.     signal(SIGBUS, sighandler);

  1162. #endif

  1163.     return func_ptr();

  1164. }

  1165. EOF

  1166. }

  1167. 

  1168. check_type(){

  1169.     log check_type "$@"

  1170.     headers=$1

  1171.     type=$2

  1172.     shift 2

  1173.     disable_safe "$type"

  1174.     check_code cc "$headers" "$type v" "$@" && enable_safe "$type"

  1175. }

  1176. 

  1177. check_struct(){

  1178.     log check_struct "$@"

  1179.     headers=$1

  1180.     struct=$2

  1181.     member=$3

  1182.     shift 3

  1183.     disable_safe "${struct}_${member}"

  1184.     check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&

  1185.         enable_safe "${struct}_${member}"

  1186. }

  1187. 

  1188. check_builtin(){

  1189.     log check_builtin "$@"

  1190.     name=$1

  1191.     headers=$2

  1192.     builtin=$3

  1193.     shift 3

  1194.     disable "$name"

  1195.     check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"

  1196. }

  1197. 

  1198. check_compile_assert(){

  1199.     log check_compile_assert "$@"

  1200.     name=$1

  1201.     headers=$2

  1202.     condition=$3

  1203.     shift 3

  1204.     disable "$name"

  1205.     check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"

  1206. }

  1207. 

  1208. require(){

  1209.     name="$1"

  1210.     header="$2"

  1211.     func="$3"

  1212.     shift 3

  1213.     check_lib $header $func "$@" || die "ERROR: $name not found"

  1214. }

  1215. 

  1216. require2(){

  1217.     name="$1"

  1218.     headers="$2"

  1219.     func="$3"

  1220.     shift 3

  1221.     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"

  1222. }

  1223. 

  1224. require_cpp(){

  1225.     name="$1"

  1226.     headers="$2"

  1227.     classes="$3"

  1228.     shift 3

  1229.     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"

  1230. }

  1231. 

  1232. use_pkg_config(){

  1233.     pkg="$1"

  1234.     check_pkg_config "$@" || return 1

  1235.     add_cflags    $(get_safe "${pkg}_cflags")

  1236.     add_extralibs $(get_safe "${pkg}_libs")

  1237. }

  1238. 

  1239. require_pkg_config(){

  1240.     use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"

  1241. }

  1242. 

  1243. require_libfreetype(){

  1244.     log require_libfreetype "$@"

  1245.     pkg="freetype2"

  1246.     check_cmd $pkg_config --exists --print-errors $pkg \

  1247.       || die "ERROR: $pkg not found"

  1248.     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)

  1249.     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)

  1250.     {

  1251.         echo "#include <ft2build.h>"

  1252.         echo "#include FT_FREETYPE_H"

  1253.         echo "long check_func(void) { return (long) FT_Init_FreeType; }"

  1254.         echo "int main(void) { return 0; }"

  1255.     } | check_ld "cc" $pkg_cflags $pkg_libs \

  1256.       && set_safe "${pkg}_cflags" $pkg_cflags \

  1257.       && set_safe "${pkg}_libs"   $pkg_libs \

  1258.       || die "ERROR: $pkg not found"

  1259.     add_cflags    $(get_safe "${pkg}_cflags")

  1260.     add_extralibs $(get_safe "${pkg}_libs")

  1261. }

  1262. 

  1263. hostcc_e(){

  1264.     eval printf '%s\\n' $HOSTCC_E

  1265. }

  1266. 

  1267. hostcc_o(){

  1268.     eval printf '%s\\n' $HOSTCC_O

  1269. }

  1270. 

  1271. check_host_cc(){

  1272.     log check_host_cc "$@"

  1273.     cat > $TMPC

  1274.     log_file $TMPC

  1275.     check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC

  1276. }

  1277. 

  1278. check_host_cpp(){

  1279.     log check_host_cpp "$@"

  1280.     cat > $TMPC

  1281.     log_file $TMPC

  1282.     check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC

  1283. }

  1284. 

  1285. check_host_cppflags(){

  1286.     log check_host_cppflags "$@"

  1287.     check_host_cc "$@" <<EOF && append host_cppflags "$@"

  1288. int x;

  1289. EOF

  1290. }

  1291. 

  1292. check_host_cflags(){

  1293.     log check_host_cflags "$@"

  1294.     set -- $($host_cflags_filter "$@")

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

  1296. int x;

  1297. EOF

  1298. }

  1299. 

  1300. check_host_cpp_condition(){

  1301.     log check_host_cpp_condition "$@"

  1302.     header=$1

  1303.     condition=$2

  1304.     shift 2

  1305.     check_host_cpp "$@" <<EOF

  1306. #include <$header>

  1307. #if !($condition)

  1308. #error "unsatisfied condition: $condition"

  1309. #endif

  1310. EOF

  1311. }

  1312. 

  1313. apply(){

  1314.     file=$1

  1315.     shift

  1316.     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"

  1317. }

  1318. 

  1319. cp_if_changed(){

  1320.     cmp -s "$1" "$2" && echo "$2 is unchanged" && return

  1321.     mkdir -p "$(dirname $2)"

  1322.     $cp_f "$1" "$2"

  1323. }

  1324. 

  1325. # CONFIG_LIST contains configurable options, while HAVE_LIST is for

  1326. # system-dependent things.

  1327. 

  1328. COMPONENT_LIST="

  1329.     bsfs

  1330.     decoders

  1331.     demuxers

  1332.     encoders

  1333.     filters

  1334.     hwaccels

  1335.     indevs

  1336.     muxers

  1337.     outdevs

  1338.     parsers

  1339.     protocols

  1340. "

  1341. 

  1342. EXAMPLE_LIST="

  1343.     avio_reading_example

  1344.     avio_list_dir_example

  1345.     decoding_encoding_example

  1346.     demuxing_decoding_example

  1347.     extract_mvs_example

  1348.     filter_audio_example

  1349.     filtering_audio_example

  1350.     filtering_video_example

  1351.     metadata_example

  1352.     muxing_example

  1353.     qsvdec_example

  1354.     remuxing_example

  1355.     resampling_audio_example

  1356.     scaling_video_example

  1357.     transcode_aac_example

  1358.     transcoding_example

  1359. "

  1360. 

  1361. EXTERNAL_LIBRARY_LIST="

  1362.     avisynth

  1363.     bzlib

  1364.     crystalhd

  1365.     decklink

  1366.     frei0r

  1367.     gnutls

  1368.     iconv

  1369.     ladspa

  1370.     libaacplus

  1371.     libass

  1372.     libbluray

  1373.     libbs2b

  1374.     libcaca

  1375.     libcdio

  1376.     libcelt

  1377.     libdc1394

  1378.     libdcadec

  1379.     libfaac

  1380.     libfdk_aac

  1381.     libflite

  1382.     libfontconfig

  1383.     libfreetype

  1384.     libfribidi

  1385.     libgme

  1386.     libgsm

  1387.     libiec61883

  1388.     libilbc

  1389.     libmfx

  1390.     libmodplug

  1391.     libmp3lame

  1392.     libnut

  1393.     libopencore_amrnb

  1394.     libopencore_amrwb

  1395.     libopencv

  1396.     libopenh264

  1397.     libopenjpeg

  1398.     libopus

  1399.     libpulse

  1400.     libquvi

  1401.     librtmp

  1402.     libschroedinger

  1403.     libshine

  1404.     libsmbclient

  1405.     libsnappy

  1406.     libsoxr

  1407.     libspeex

  1408.     libssh

  1409.     libstagefright_h264

  1410.     libtheora

  1411.     libtwolame

  1412.     libutvideo

  1413.     libv4l2

  1414.     libvidstab

  1415.     libvo_aacenc

  1416.     libvo_amrwbenc

  1417.     libvorbis

  1418.     libvpx

  1419.     libwavpack

  1420.     libwebp

  1421.     libx264

  1422.     libx265

  1423.     libxavs

  1424.     libxcb

  1425.     libxcb_shm

  1426.     libxcb_shape

  1427.     libxcb_xfixes

  1428.     libxvid

  1429.     libzmq

  1430.     libzvbi

  1431.     lzma

  1432.     mmal

  1433.     nvenc

  1434.     openal

  1435.     opencl

  1436.     opengl

  1437.     openssl

  1438.     sdl

  1439.     securetransport

  1440.     x11grab

  1441.     xlib

  1442.     zlib

  1443. "

  1444. 

  1445. DOCUMENT_LIST="

  1446.     doc

  1447.     htmlpages

  1448.     manpages

  1449.     podpages

  1450.     txtpages

  1451. "

  1452. 

  1453. FEATURE_LIST="

  1454.     ftrapv

  1455.     gray

  1456.     hardcoded_tables

  1457.     runtime_cpudetect

  1458.     safe_bitstream_reader

  1459.     shared

  1460.     small

  1461.     static

  1462.     swscale_alpha

  1463. "

  1464. 

  1465. HWACCEL_LIST="

  1466.     d3d11va

  1467.     dxva2

  1468.     vaapi

  1469.     vda

  1470.     vdpau

  1471.     xvmc

  1472. "

  1473. 

  1474. LIBRARY_LIST="

  1475.     avcodec

  1476.     avdevice

  1477.     avfilter

  1478.     avformat

  1479.     avresample

  1480.     avutil

  1481.     postproc

  1482.     swresample

  1483.     swscale

  1484. "

  1485. 

  1486. LICENSE_LIST="

  1487.     gpl

  1488.     nonfree

  1489.     version3

  1490. "

  1491. 

  1492. PROGRAM_LIST="

  1493.     ffplay

  1494.     ffprobe

  1495.     ffserver

  1496.     ffmpeg

  1497. "

  1498. 

  1499. SUBSYSTEM_LIST="

  1500.     dct

  1501.     dwt

  1502.     error_resilience

  1503.     faan

  1504.     fast_unaligned

  1505.     fft

  1506.     lsp

  1507.     lzo

  1508.     mdct

  1509.     pixelutils

  1510.     network

  1511.     rdft

  1512. "

  1513. 

  1514. CONFIG_LIST="

  1515.     $COMPONENT_LIST

  1516.     $DOCUMENT_LIST

  1517.     $EXAMPLE_LIST

  1518.     $EXTERNAL_LIBRARY_LIST

  1519.     $FEATURE_LIST

  1520.     $HWACCEL_LIST

  1521.     $LICENSE_LIST

  1522.     $LIBRARY_LIST

  1523.     $PROGRAM_LIST

  1524.     $SUBSYSTEM_LIST

  1525.     fontconfig

  1526.     incompatible_libav_abi

  1527.     memalign_hack

  1528.     memory_poisoning

  1529.     neon_clobber_test

  1530.     pic

  1531.     pod2man

  1532.     raise_major

  1533.     thumb

  1534.     valgrind_backtrace

  1535.     xmm_clobber_test

  1536. "

  1537. 

  1538. THREADS_LIST="

  1539.     pthreads

  1540.     os2threads

  1541.     w32threads

  1542. "

  1543. 

  1544. ATOMICS_LIST="

  1545.     atomics_gcc

  1546.     atomics_suncc

  1547.     atomics_win32

  1548. "

  1549. 

  1550. ARCH_LIST="

  1551.     aarch64

  1552.     alpha

  1553.     arm

  1554.     avr32

  1555.     avr32_ap

  1556.     avr32_uc

  1557.     bfin

  1558.     ia64

  1559.     m68k

  1560.     mips

  1561.     mips64

  1562.     parisc

  1563.     ppc

  1564.     ppc64

  1565.     s390

  1566.     sh4

  1567.     sparc

  1568.     sparc64

  1569.     tilegx

  1570.     tilepro

  1571.     tomi

  1572.     x86

  1573.     x86_32

  1574.     x86_64

  1575. "

  1576. 

  1577. ARCH_EXT_LIST_ARM="

  1578.     armv5te

  1579.     armv6

  1580.     armv6t2

  1581.     armv8

  1582.     neon

  1583.     vfp

  1584.     vfpv3

  1585.     setend

  1586. "

  1587. 

  1588. ARCH_EXT_LIST_MIPS="

  1589.     mipsfpu

  1590.     mips32r2

  1591.     mips32r5

  1592.     mips64r6

  1593.     mipsdspr1

  1594.     mipsdspr2

  1595.     msa

  1596. "

  1597. 

  1598. ARCH_EXT_LIST_LOONGSON="

  1599.     loongson2

  1600.     loongson3

  1601.     mmi

  1602. "

  1603. 

  1604. ARCH_EXT_LIST_X86_SIMD="

  1605.     amd3dnow

  1606.     amd3dnowext

  1607.     avx

  1608.     avx2

  1609.     fma3

  1610.     fma4

  1611.     mmx

  1612.     mmxext

  1613.     sse

  1614.     sse2

  1615.     sse3

  1616.     sse4

  1617.     sse42

  1618.     ssse3

  1619.     xop

  1620. "

  1621. 

  1622. ARCH_EXT_LIST_PPC="

  1623.     altivec

  1624.     dcbzl

  1625.     ldbrx

  1626.     power8

  1627.     ppc4xx

  1628.     vsx

  1629. "

  1630. 

  1631. ARCH_EXT_LIST_X86="

  1632.     $ARCH_EXT_LIST_X86_SIMD

  1633.     cpunop

  1634.     i686

  1635. "

  1636. 

  1637. ARCH_EXT_LIST="

  1638.     $ARCH_EXT_LIST_ARM

  1639.     $ARCH_EXT_LIST_PPC

  1640.     $ARCH_EXT_LIST_X86

  1641.     $ARCH_EXT_LIST_MIPS

  1642.     $ARCH_EXT_LIST_LOONGSON

  1643. "

  1644. 

  1645. ARCH_FEATURES="

  1646.     aligned_stack

  1647.     fast_64bit

  1648.     fast_clz

  1649.     fast_cmov

  1650.     local_aligned_8

  1651.     local_aligned_16

  1652.     local_aligned_32

  1653.     simd_align_16

  1654. "

  1655. 

  1656. BUILTIN_LIST="

  1657.     atomic_cas_ptr

  1658.     atomic_compare_exchange

  1659.     machine_rw_barrier

  1660.     MemoryBarrier

  1661.     mm_empty

  1662.     rdtsc

  1663.     sarestart

  1664.     sync_val_compare_and_swap

  1665. "

  1666. HAVE_LIST_CMDLINE="

  1667.     inline_asm

  1668.     symver

  1669.     yasm

  1670. "

  1671. 

  1672. HAVE_LIST_PUB="

  1673.     bigendian

  1674.     fast_unaligned

  1675.     incompatible_libav_abi

  1676. "

  1677. 

  1678. HEADERS_LIST="

  1679.     alsa_asoundlib_h

  1680.     altivec_h

  1681.     arpa_inet_h

  1682.     asm_types_h

  1683.     cdio_paranoia_h

  1684.     cdio_paranoia_paranoia_h

  1685.     dev_bktr_ioctl_bt848_h

  1686.     dev_bktr_ioctl_meteor_h

  1687.     dev_ic_bt8xx_h

  1688.     dev_video_bktr_ioctl_bt848_h

  1689.     dev_video_meteor_ioctl_meteor_h

  1690.     direct_h

  1691.     dlfcn_h

  1692.     d3d11_h

  1693.     dxva_h

  1694.     ES2_gl_h

  1695.     gsm_h

  1696.     io_h

  1697.     mach_mach_time_h

  1698.     machine_ioctl_bt848_h

  1699.     machine_ioctl_meteor_h

  1700.     malloc_h

  1701.     openjpeg_1_5_openjpeg_h

  1702.     OpenGL_gl3_h

  1703.     poll_h

  1704.     sndio_h

  1705.     soundcard_h

  1706.     sys_mman_h

  1707.     sys_param_h

  1708.     sys_resource_h

  1709.     sys_select_h

  1710.     sys_soundcard_h

  1711.     sys_time_h

  1712.     sys_un_h

  1713.     sys_videoio_h

  1714.     termios_h

  1715.     udplite_h

  1716.     unistd_h

  1717.     valgrind_valgrind_h

  1718.     windows_h

  1719.     winsock2_h

  1720. "

  1721. 

  1722. INTRINSICS_LIST="

  1723.     intrinsics_neon

  1724. "

  1725. 

  1726. MATH_FUNCS="

  1727.     atanf

  1728.     atan2f

  1729.     cbrt

  1730.     cbrtf

  1731.     cosf

  1732.     exp2

  1733.     exp2f

  1734.     expf

  1735.     isinf

  1736.     isnan

  1737.     ldexpf

  1738.     llrint

  1739.     llrintf

  1740.     log2

  1741.     log2f

  1742.     log10f

  1743.     lrint

  1744.     lrintf

  1745.     powf

  1746.     rint

  1747.     round

  1748.     roundf

  1749.     sinf

  1750.     trunc

  1751.     truncf

  1752. "

  1753. 

  1754. SYSTEM_FUNCS="

  1755.     access

  1756.     aligned_malloc

  1757.     clock_gettime

  1758.     closesocket

  1759.     CommandLineToArgvW

  1760.     CoTaskMemFree

  1761.     CryptGenRandom

  1762.     dlopen

  1763.     fcntl

  1764.     flt_lim

  1765.     fork

  1766.     getaddrinfo

  1767.     gethrtime

  1768.     getopt

  1769.     GetProcessAffinityMask

  1770.     GetProcessMemoryInfo

  1771.     GetProcessTimes

  1772.     getrusage

  1773.     getservbyport

  1774.     GetSystemTimeAsFileTime

  1775.     gettimeofday

  1776.     glob

  1777.     glXGetProcAddress

  1778.     gmtime_r

  1779.     inet_aton

  1780.     isatty

  1781.     jack_port_get_latency_range

  1782.     kbhit

  1783.     localtime_r

  1784.     lzo1x_999_compress

  1785.     mach_absolute_time

  1786.     MapViewOfFile

  1787.     memalign

  1788.     mkstemp

  1789.     mmap

  1790.     mprotect

  1791.     nanosleep

  1792.     PeekNamedPipe

  1793.     posix_memalign

  1794.     pthread_cancel

  1795.     sched_getaffinity

  1796.     SetConsoleTextAttribute

  1797.     SetConsoleCtrlHandler

  1798.     setmode

  1799.     setrlimit

  1800.     Sleep

  1801.     strerror_r

  1802.     sysconf

  1803.     sysctl

  1804.     usleep

  1805.     VirtualAlloc

  1806.     wglGetProcAddress

  1807. "

  1808. 

  1809. TOOLCHAIN_FEATURES="

  1810.     as_dn_directive

  1811.     as_func

  1812.     as_object_arch

  1813.     asm_mod_q

  1814.     attribute_may_alias

  1815.     attribute_packed

  1816.     ebp_available

  1817.     ebx_available

  1818.     gnu_as

  1819.     gnu_windres

  1820.     ibm_asm

  1821.     inline_asm_labels

  1822.     inline_asm_nonlocal_labels

  1823.     inline_asm_direct_symbol_refs

  1824.     pragma_deprecated

  1825.     rsync_contimeout

  1826.     symver_asm_label

  1827.     symver_gnu_asm

  1828.     vfp_args

  1829.     xform_asm

  1830.     xmm_clobbers

  1831. "

  1832. 

  1833. TYPES_LIST="

  1834.     CONDITION_VARIABLE_Ptr

  1835.     socklen_t

  1836.     struct_addrinfo

  1837.     struct_dcadec_exss_info_matrix_encoding

  1838.     struct_group_source_req

  1839.     struct_ip_mreq_source

  1840.     struct_ipv6_mreq

  1841.     struct_pollfd

  1842.     struct_rusage_ru_maxrss

  1843.     struct_sctp_event_subscribe

  1844.     struct_sockaddr_in6

  1845.     struct_sockaddr_sa_len

  1846.     struct_sockaddr_storage

  1847.     struct_stat_st_mtim_tv_nsec

  1848.     struct_v4l2_frmivalenum_discrete

  1849. "

  1850. 

  1851. HAVE_LIST="

  1852.     $ARCH_EXT_LIST

  1853.     $(add_suffix _external $ARCH_EXT_LIST)

  1854.     $(add_suffix _inline   $ARCH_EXT_LIST)

  1855.     $ARCH_FEATURES

  1856.     $ATOMICS_LIST

  1857.     $BUILTIN_LIST

  1858.     $HAVE_LIST_CMDLINE

  1859.     $HAVE_LIST_PUB

  1860.     $HEADERS_LIST

  1861.     $INTRINSICS_LIST

  1862.     $MATH_FUNCS

  1863.     $SYSTEM_FUNCS

  1864.     $THREADS_LIST

  1865.     $TOOLCHAIN_FEATURES

  1866.     $TYPES_LIST

  1867.     atomics_native

  1868.     dos_paths

  1869.     dxva2api_cobj

  1870.     dxva2_lib

  1871.     libc_msvcrt

  1872.     libdc1394_1

  1873.     libdc1394_2

  1874.     makeinfo

  1875.     makeinfo_html

  1876.     perl

  1877.     pod2man

  1878.     sdl

  1879.     section_data_rel_ro

  1880.     texi2html

  1881.     threads

  1882.     vaapi_x11

  1883.     vdpau_x11

  1884.     xlib

  1885. "

  1886. 

  1887. # options emitted with CONFIG_ prefix but not available on the command line

  1888. CONFIG_EXTRA="

  1889.     aandcttables

  1890.     ac3dsp

  1891.     audio_frame_queue

  1892.     audiodsp

  1893.     blockdsp

  1894.     bswapdsp

  1895.     cabac

  1896.     dvprofile

  1897.     exif

  1898.     faandct

  1899.     faanidct

  1900.     fdctdsp

  1901.     fmtconvert

  1902.     frame_thread_encoder

  1903.     gcrypt

  1904.     gmp

  1905.     golomb

  1906.     gplv3

  1907.     h263dsp

  1908.     h264chroma

  1909.     h264dsp

  1910.     h264pred

  1911.     h264qpel

  1912.     hpeldsp

  1913.     huffman

  1914.     huffyuvdsp

  1915.     huffyuvencdsp

  1916.     idctdsp

  1917.     iirfilter

  1918.     imdct15

  1919.     intrax8

  1920.     jpegtables

  1921.     lgplv3

  1922.     llauddsp

  1923.     llviddsp

  1924.     lpc

  1925.     me_cmp

  1926.     mpeg_er

  1927.     mpegaudio

  1928.     mpegaudiodsp

  1929.     mpegvideo

  1930.     mpegvideoenc

  1931.     pixblockdsp

  1932.     qpeldsp

  1933.     qsv

  1934.     qsvdec

  1935.     qsvenc

  1936.     rangecoder

  1937.     riffdec

  1938.     riffenc

  1939.     rtpdec

  1940.     rtpenc_chain

  1941.     sinewin

  1942.     snappy

  1943.     startcode

  1944.     texturedsp

  1945.     texturedspenc

  1946.     tpeldsp

  1947.     videodsp

  1948.     vp3dsp

  1949.     wma_freqs

  1950. "

  1951. 

  1952. CMDLINE_SELECT="

  1953.     $ARCH_EXT_LIST

  1954.     $CONFIG_LIST

  1955.     $HAVE_LIST_CMDLINE

  1956.     $THREADS_LIST

  1957.     asm

  1958.     cross_compile

  1959.     debug

  1960.     extra_warnings

  1961.     logging

  1962.     lto

  1963.     optimizations

  1964.     rpath

  1965.     stripping

  1966. "

  1967. 

  1968. PATHS_LIST="

  1969.     bindir

  1970.     datadir

  1971.     docdir

  1972.     incdir

  1973.     libdir

  1974.     mandir

  1975.     pkgconfigdir

  1976.     prefix

  1977.     shlibdir

  1978. "

  1979. 

  1980. CMDLINE_SET="

  1981.     $PATHS_LIST

  1982.     ar

  1983.     arch

  1984.     as

  1985.     assert_level

  1986.     build_suffix

  1987.     cc

  1988.     cpu

  1989.     cross_prefix

  1990.     cxx

  1991.     dep_cc

  1992.     doxygen

  1993.     env

  1994.     extra_version

  1995.     gas

  1996.     host_cc

  1997.     host_cflags

  1998.     host_ld

  1999.     host_ldflags

  2000.     host_libs

  2001.     host_os

  2002.     install

  2003.     ld

  2004.     logfile

  2005.     malloc_prefix

  2006.     nm

  2007.     optflags

  2008.     pkg_config

  2009.     pkg_config_flags

  2010.     progs_suffix

  2011.     random_seed

  2012.     ranlib

  2013.     samples

  2014.     strip

  2015.     sws_max_filter_size

  2016.     sysinclude

  2017.     sysroot

  2018.     target_exec

  2019.     target_os

  2020.     target_path

  2021.     target_samples

  2022.     tempprefix

  2023.     toolchain

  2024.     valgrind

  2025.     yasmexe

  2026. "

  2027. 

  2028. CMDLINE_APPEND="

  2029.     extra_cflags

  2030.     extra_cxxflags

  2031.     host_cppflags

  2032. "

  2033. 

  2034. # code dependency declarations

  2035. 

  2036. # architecture extensions

  2037. 

  2038. armv5te_deps="arm"

  2039. armv6_deps="arm"

  2040. armv6t2_deps="arm"

  2041. armv8_deps="aarch64"

  2042. neon_deps_any="aarch64 arm"

  2043. intrinsics_neon_deps="neon"

  2044. vfp_deps_any="aarch64 arm"

  2045. vfpv3_deps="vfp"

  2046. setend_deps="arm"

  2047. 

  2048. map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM

  2049. 

  2050. mipsfpu_deps="mips"

  2051. mipsdspr1_deps="mips"

  2052. mipsdspr2_deps="mips"

  2053. mips32r2_deps="mips"

  2054. mips32r5_deps="mips"

  2055. mips64r6_deps="mips"

  2056. msa_deps="mips"

  2057. mmi_deps="mips"

  2058. 

  2059. altivec_deps="ppc"

  2060. dcbzl_deps="ppc"

  2061. ldbrx_deps="ppc"

  2062. ppc4xx_deps="ppc"

  2063. vsx_deps="altivec"

  2064. power8_deps="vsx"

  2065. 

  2066. cpunop_deps="i686"

  2067. x86_64_select="i686"

  2068. x86_64_suggest="fast_cmov"

  2069. 

  2070. amd3dnow_deps="mmx"

  2071. amd3dnowext_deps="amd3dnow"

  2072. i686_deps="x86"

  2073. mmx_deps="x86"

  2074. mmxext_deps="mmx"

  2075. sse_deps="mmxext"

  2076. sse2_deps="sse"

  2077. sse3_deps="sse2"

  2078. ssse3_deps="sse3"

  2079. sse4_deps="ssse3"

  2080. sse42_deps="sse4"

  2081. avx_deps="sse42"

  2082. xop_deps="avx"

  2083. fma3_deps="avx"

  2084. fma4_deps="avx"

  2085. avx2_deps="avx"

  2086. 

  2087. mmx_external_deps="yasm"

  2088. mmx_inline_deps="inline_asm"

  2089. mmx_suggest="mmx_external mmx_inline"

  2090. 

  2091. for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do

  2092.     eval dep=\$${ext}_deps

  2093.     eval ${ext}_external_deps='"${dep}_external"'

  2094.     eval ${ext}_inline_deps='"${dep}_inline"'

  2095.     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'

  2096. done

  2097. 

  2098. aligned_stack_if_any="aarch64 ppc x86"

  2099. fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"

  2100. fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"

  2101. fast_unaligned_if_any="aarch64 ppc x86"

  2102. simd_align_16_if_any="altivec neon sse"

  2103. 

  2104. # system capabilities

  2105. symver_if_any="symver_asm_label symver_gnu_asm"

  2106. valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"

  2107. 

  2108. # threading support

  2109. atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"

  2110. atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"

  2111. atomics_win32_if="MemoryBarrier"

  2112. atomics_native_if_any="$ATOMICS_LIST"

  2113. w32threads_deps="atomics_native"

  2114. threads_if_any="$THREADS_LIST"

  2115. 

  2116. # subsystems

  2117. dct_select="rdft"

  2118. error_resilience_select="me_cmp"

  2119. faandct_deps="faan fdctdsp"

  2120. faanidct_deps="faan idctdsp"

  2121. frame_thread_encoder_deps="encoders threads"

  2122. intrax8_select="error_resilience"

  2123. mdct_select="fft"

  2124. rdft_select="fft"

  2125. me_cmp_select="fdctdsp idctdsp pixblockdsp"

  2126. mpeg_er_select="error_resilience"

  2127. mpegaudio_select="mpegaudiodsp"

  2128. mpegaudiodsp_select="dct"

  2129. mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp videodsp"

  2130. mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"

  2131. qsvdec_select="qsv"

  2132. qsvenc_select="qsv"

  2133. 

  2134. # decoders / encoders

  2135. aac_decoder_select="imdct15 mdct sinewin"

  2136. aac_fixed_decoder_select="mdct sinewin"

  2137. aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"

  2138. aac_latm_decoder_select="aac_decoder aac_latm_parser"

  2139. ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"

  2140. ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"

  2141. ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2142. ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2143. aic_decoder_select="golomb idctdsp"

  2144. alac_encoder_select="lpc"

  2145. als_decoder_select="bswapdsp"

  2146. amrnb_decoder_select="lsp"

  2147. amrwb_decoder_select="lsp"

  2148. amv_decoder_select="sp5x_decoder exif"

  2149. amv_encoder_select="aandcttables jpegtables mpegvideoenc"

  2150. ape_decoder_select="bswapdsp llauddsp"

  2151. apng_decoder_select="zlib"

  2152. apng_encoder_select="huffyuvencdsp zlib"

  2153. asv1_decoder_select="blockdsp bswapdsp idctdsp"

  2154. asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2155. asv2_decoder_select="blockdsp bswapdsp idctdsp"

  2156. asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2157. atrac1_decoder_select="mdct sinewin"

  2158. atrac3_decoder_select="mdct"

  2159. atrac3p_decoder_select="mdct sinewin"

  2160. avrn_decoder_select="exif jpegtables"

  2161. bink_decoder_select="blockdsp hpeldsp"

  2162. binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"

  2163. binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"

  2164. cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"

  2165. cllc_decoder_select="bswapdsp"

  2166. comfortnoise_encoder_select="lpc"

  2167. cook_decoder_select="audiodsp mdct sinewin"

  2168. cscd_decoder_select="lzo"

  2169. cscd_decoder_suggest="zlib"

  2170. dca_decoder_select="fmtconvert mdct"

  2171. dds_decoder_select="texturedsp"

  2172. dirac_decoder_select="dwt golomb videodsp mpegvideoenc"

  2173. dnxhd_decoder_select="blockdsp idctdsp"

  2174. dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"

  2175. dvvideo_decoder_select="dvprofile idctdsp"

  2176. dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"

  2177. dxa_decoder_select="zlib"

  2178. eac3_decoder_select="ac3_decoder"

  2179. eac3_encoder_select="ac3_encoder"

  2180. eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"

  2181. eatgq_decoder_select="aandcttables"

  2182. eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"

  2183. exr_decoder_select="zlib"

  2184. ffv1_decoder_select="golomb rangecoder"

  2185. ffv1_encoder_select="rangecoder"

  2186. ffvhuff_decoder_select="huffyuv_decoder"

  2187. ffvhuff_encoder_select="huffyuv_encoder"

  2188. fic_decoder_select="golomb"

  2189. flac_decoder_select="golomb"

  2190. flac_encoder_select="bswapdsp golomb lpc"

  2191. flashsv_decoder_select="zlib"

  2192. flashsv_encoder_select="zlib"

  2193. flashsv2_encoder_select="zlib"

  2194. flashsv2_decoder_select="zlib"

  2195. flv_decoder_select="h263_decoder"

  2196. flv_encoder_select="h263_encoder"

  2197. fourxm_decoder_select="blockdsp bswapdsp"

  2198. fraps_decoder_select="bswapdsp huffman"

  2199. g2m_decoder_select="blockdsp idctdsp jpegtables zlib"

  2200. g729_decoder_select="audiodsp"

  2201. h261_decoder_select="mpeg_er mpegvideo"

  2202. h261_encoder_select="aandcttables mpegvideoenc"

  2203. h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"

  2204. h263_encoder_select="aandcttables h263dsp mpegvideoenc"

  2205. h263i_decoder_select="h263_decoder"

  2206. h263p_decoder_select="h263_decoder"

  2207. h263p_encoder_select="h263_encoder"

  2208. h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"

  2209. h264_decoder_suggest="error_resilience"

  2210. h264_qsv_decoder_deps="libmfx"

  2211. h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"

  2212. h264_qsv_encoder_deps="libmfx"

  2213. h264_qsv_encoder_select="qsvenc"

  2214. hap_decoder_select="snappy texturedsp"

  2215. hap_encoder_deps="libsnappy"

  2216. hap_encoder_select="texturedspenc"

  2217. hevc_decoder_select="bswapdsp cabac golomb videodsp"

  2218. hevc_qsv_encoder_deps="libmfx"

  2219. hevc_qsv_encoder_select="qsvenc"

  2220. huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"

  2221. huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"

  2222. iac_decoder_select="imc_decoder"

  2223. imc_decoder_select="bswapdsp fft mdct sinewin"

  2224. indeo3_decoder_select="hpeldsp"

  2225. interplay_video_decoder_select="hpeldsp"

  2226. jpegls_decoder_select="golomb mjpeg_decoder"

  2227. jpegls_encoder_select="golomb"

  2228. jv_decoder_select="blockdsp"

  2229. lagarith_decoder_select="huffyuvdsp"

  2230. ljpeg_encoder_select="aandcttables idctdsp jpegtables"

  2231. loco_decoder_select="golomb"

  2232. mdec_decoder_select="blockdsp idctdsp mpegvideo"

  2233. metasound_decoder_select="lsp mdct sinewin"

  2234. mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"

  2235. mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"

  2236. mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"

  2237. mjpegb_decoder_select="mjpeg_decoder"

  2238. mlp_decoder_select="mlp_parser"

  2239. motionpixels_decoder_select="bswapdsp"

  2240. mp1_decoder_select="mpegaudio"

  2241. mp1float_decoder_select="mpegaudio"

  2242. mp2_decoder_select="mpegaudio"

  2243. mp2float_decoder_select="mpegaudio"

  2244. mp3_decoder_select="mpegaudio"

  2245. mp3adu_decoder_select="mpegaudio"

  2246. mp3adufloat_decoder_select="mpegaudio"

  2247. mp3float_decoder_select="mpegaudio"

  2248. mp3on4_decoder_select="mpegaudio"

  2249. mp3on4float_decoder_select="mpegaudio"

  2250. mpc7_decoder_select="bswapdsp mpegaudiodsp"

  2251. mpc8_decoder_select="mpegaudiodsp"

  2252. mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"

  2253. mpeg_xvmc_decoder_select="mpeg2video_decoder"

  2254. mpegvideo_decoder_select="error_resilience mpeg_er mpegvideo"

  2255. mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"

  2256. mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2257. mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"

  2258. mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2259. mpeg2_qsv_encoder_deps="libmfx"

  2260. mpeg2_qsv_encoder_select="qsvenc"

  2261. mpeg4_decoder_select="h263_decoder mpeg4video_parser"

  2262. mpeg4_encoder_select="h263_encoder"

  2263. msmpeg4v1_decoder_select="h263_decoder"

  2264. msmpeg4v2_decoder_select="h263_decoder"

  2265. msmpeg4v2_encoder_select="h263_encoder"

  2266. msmpeg4v3_decoder_select="h263_decoder"

  2267. msmpeg4v3_encoder_select="h263_encoder"

  2268. mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"

  2269. mxpeg_decoder_select="mjpeg_decoder"

  2270. nellymoser_decoder_select="mdct sinewin"

  2271. nellymoser_encoder_select="audio_frame_queue mdct sinewin"

  2272. nuv_decoder_select="idctdsp lzo"

  2273. on2avc_decoder_select="mdct"

  2274. opus_decoder_deps="swresample"

  2275. opus_decoder_select="imdct15"

  2276. png_decoder_select="zlib"

  2277. png_encoder_select="huffyuvencdsp zlib"

  2278. prores_decoder_select="blockdsp idctdsp"

  2279. prores_encoder_select="fdctdsp"

  2280. qcelp_decoder_select="lsp"

  2281. qdm2_decoder_select="mdct rdft mpegaudiodsp"

  2282. ra_144_encoder_select="audio_frame_queue lpc audiodsp"

  2283. ra_144_decoder_select="audiodsp"

  2284. ralf_decoder_select="golomb"

  2285. rawvideo_decoder_select="bswapdsp"

  2286. rtjpeg_decoder_select="me_cmp"

  2287. rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"

  2288. rv10_encoder_select="h263_encoder"

  2289. rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"

  2290. rv20_encoder_select="h263_encoder"

  2291. rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"

  2292. rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"

  2293. shorten_decoder_select="golomb"

  2294. sipr_decoder_select="lsp"

  2295. snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"

  2296. snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"

  2297. sonic_decoder_select="golomb rangecoder"

  2298. sonic_encoder_select="golomb rangecoder"

  2299. sonic_ls_encoder_select="golomb rangecoder"

  2300. sp5x_decoder_select="mjpeg_decoder"

  2301. svq1_decoder_select="hpeldsp"

  2302. svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"

  2303. svq3_decoder_select="h264_decoder hpeldsp tpeldsp"

  2304. svq3_decoder_suggest="zlib"

  2305. tak_decoder_select="audiodsp"

  2306. tdsc_decoder_select="zlib mjpeg_decoder"

  2307. theora_decoder_select="vp3_decoder"

  2308. thp_decoder_select="mjpeg_decoder"

  2309. tiff_decoder_suggest="zlib lzma"

  2310. tiff_encoder_suggest="zlib"

  2311. truehd_decoder_select="mlp_parser"

  2312. truemotion2_decoder_select="bswapdsp"

  2313. truespeech_decoder_select="bswapdsp"

  2314. tscc_decoder_select="zlib"

  2315. twinvq_decoder_select="mdct lsp sinewin"

  2316. txd_decoder_select="texturedsp"

  2317. utvideo_decoder_select="bswapdsp"

  2318. utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"

  2319. vble_decoder_select="huffyuvdsp"

  2320. vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode"

  2321. vc1image_decoder_select="vc1_decoder"

  2322. vorbis_decoder_select="mdct"

  2323. vorbis_encoder_select="mdct"

  2324. vp3_decoder_select="hpeldsp vp3dsp videodsp"

  2325. vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"

  2326. vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"

  2327. vp6a_decoder_select="vp6_decoder"

  2328. vp6f_decoder_select="vp6_decoder"

  2329. vp7_decoder_select="h264pred videodsp"

  2330. vp8_decoder_select="h264pred videodsp"

  2331. vp9_decoder_select="videodsp vp9_parser"

  2332. webp_decoder_select="vp8_decoder"

  2333. wmalossless_decoder_select="llauddsp"

  2334. wmapro_decoder_select="mdct sinewin wma_freqs"

  2335. wmav1_decoder_select="mdct sinewin wma_freqs"

  2336. wmav1_encoder_select="mdct sinewin wma_freqs"

  2337. wmav2_decoder_select="mdct sinewin wma_freqs"

  2338. wmav2_encoder_select="mdct sinewin wma_freqs"

  2339. wmavoice_decoder_select="lsp rdft dct mdct sinewin"

  2340. wmv1_decoder_select="h263_decoder"

  2341. wmv1_encoder_select="h263_encoder"

  2342. wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp"

  2343. wmv2_encoder_select="h263_encoder"

  2344. wmv3_decoder_select="vc1_decoder"

  2345. wmv3image_decoder_select="wmv3_decoder"

  2346. zerocodec_decoder_select="zlib"

  2347. zlib_decoder_select="zlib"

  2348. zlib_encoder_select="zlib"

  2349. zmbv_decoder_select="zlib"

  2350. zmbv_encoder_select="zlib"

  2351. 

  2352. # hardware accelerators

  2353. crystalhd_deps="libcrystalhd_libcrystalhd_if_h"

  2354. d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"

  2355. dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"

  2356. vaapi_deps="va_va_h"

  2357. vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"

  2358. vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"

  2359. vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"

  2360. xvmc_deps="X11_extensions_XvMClib_h"

  2361. 

  2362. h263_vaapi_hwaccel_deps="vaapi"

  2363. h263_vaapi_hwaccel_select="h263_decoder"

  2364. h263_vdpau_hwaccel_deps="vdpau"

  2365. h263_vdpau_hwaccel_select="h263_decoder"

  2366. h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"

  2367. h264_d3d11va_hwaccel_deps="d3d11va"

  2368. h264_d3d11va_hwaccel_select="h264_decoder"

  2369. h264_dxva2_hwaccel_deps="dxva2"

  2370. h264_dxva2_hwaccel_select="h264_decoder"

  2371. h264_mmal_decoder_deps="mmal"

  2372. h264_mmal_hwaccel_deps="mmal"

  2373. h264_mmal_decoder_select="h264_decoder"

  2374. h264_mmal_encoder_deps="mmal"

  2375. h264_qsv_hwaccel_deps="libmfx"

  2376. h264_vaapi_hwaccel_deps="vaapi"

  2377. h264_vaapi_hwaccel_select="h264_decoder"

  2378. h264_vda_decoder_deps="vda"

  2379. h264_vda_decoder_select="h264_decoder"

  2380. h264_vda_hwaccel_deps="vda"

  2381. h264_vda_hwaccel_select="h264_decoder"

  2382. h264_vda_old_hwaccel_deps="vda"

  2383. h264_vda_old_hwaccel_select="h264_decoder"

  2384. h264_vdpau_decoder_deps="vdpau"

  2385. h264_vdpau_decoder_select="h264_decoder"

  2386. h264_vdpau_hwaccel_deps="vdpau"

  2387. h264_vdpau_hwaccel_select="h264_decoder"

  2388. hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"

  2389. hevc_d3d11va_hwaccel_select="hevc_decoder"

  2390. hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"

  2391. hevc_dxva2_hwaccel_select="hevc_decoder"

  2392. hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"

  2393. hevc_vdpau_hwaccel_select="hevc_decoder"

  2394. mpeg_vdpau_decoder_deps="vdpau"

  2395. mpeg_vdpau_decoder_select="mpeg2video_decoder"

  2396. mpeg_xvmc_hwaccel_deps="xvmc"

  2397. mpeg_xvmc_hwaccel_select="mpeg2video_decoder"

  2398. mpeg1_vdpau_decoder_deps="vdpau"

  2399. mpeg1_vdpau_decoder_select="mpeg1video_decoder"

  2400. mpeg1_vdpau_hwaccel_deps="vdpau"

  2401. mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"

  2402. mpeg1_xvmc_hwaccel_deps="xvmc"

  2403. mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"

  2404. mpeg2_crystalhd_decoder_select="crystalhd"

  2405. mpeg2_d3d11va_hwaccel_deps="d3d11va"

  2406. mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"

  2407. mpeg2_dxva2_hwaccel_deps="dxva2"

  2408. mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"

  2409. mpeg2_vaapi_hwaccel_deps="vaapi"

  2410. mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"

  2411. mpeg2_vdpau_hwaccel_deps="vdpau"

  2412. mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"

  2413. mpeg2_xvmc_hwaccel_deps="xvmc"

  2414. mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"

  2415. mpeg4_crystalhd_decoder_select="crystalhd"

  2416. mpeg4_vaapi_hwaccel_deps="vaapi"

  2417. mpeg4_vaapi_hwaccel_select="mpeg4_decoder"

  2418. mpeg4_vdpau_decoder_deps="vdpau"

  2419. mpeg4_vdpau_decoder_select="mpeg4_decoder"

  2420. mpeg4_vdpau_hwaccel_deps="vdpau"

  2421. mpeg4_vdpau_hwaccel_select="mpeg4_decoder"

  2422. msmpeg4_crystalhd_decoder_select="crystalhd"

  2423. vc1_crystalhd_decoder_select="crystalhd"

  2424. vc1_d3d11va_hwaccel_deps="d3d11va"

  2425. vc1_d3d11va_hwaccel_select="vc1_decoder"

  2426. vc1_dxva2_hwaccel_deps="dxva2"

  2427. vc1_dxva2_hwaccel_select="vc1_decoder"

  2428. vc1_vaapi_hwaccel_deps="vaapi"

  2429. vc1_vaapi_hwaccel_select="vc1_decoder"

  2430. vc1_vdpau_decoder_deps="vdpau"

  2431. vc1_vdpau_decoder_select="vc1_decoder"

  2432. vc1_vdpau_hwaccel_deps="vdpau"

  2433. vc1_vdpau_hwaccel_select="vc1_decoder"

  2434. wmv3_crystalhd_decoder_select="crystalhd"

  2435. wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"

  2436. wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"

  2437. wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"

  2438. wmv3_vdpau_decoder_select="vc1_vdpau_decoder"

  2439. wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"

  2440. 

  2441. # parsers

  2442. h264_parser_select="h264_decoder"

  2443. hevc_parser_select="hevc_decoder"

  2444. mpegvideo_parser_select="mpegvideo"

  2445. mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"

  2446. vc1_parser_select="mpegvideo startcode vc1_decoder"

  2447. 

  2448. # bitstream_filters

  2449. mjpeg2jpeg_bsf_select="jpegtables"

  2450. 

  2451. # external libraries

  2452. libaacplus_encoder_deps="libaacplus"

  2453. libcelt_decoder_deps="libcelt"

  2454. libdcadec_decoder_deps="libdcadec"

  2455. libfaac_encoder_deps="libfaac"

  2456. libfaac_encoder_select="audio_frame_queue"

  2457. libfdk_aac_decoder_deps="libfdk_aac"

  2458. libfdk_aac_encoder_deps="libfdk_aac"

  2459. libfdk_aac_encoder_select="audio_frame_queue"

  2460. libgme_demuxer_deps="libgme"

  2461. libgsm_decoder_deps="libgsm"

  2462. libgsm_encoder_deps="libgsm"

  2463. libgsm_ms_decoder_deps="libgsm"

  2464. libgsm_ms_encoder_deps="libgsm"

  2465. libilbc_decoder_deps="libilbc"

  2466. libilbc_encoder_deps="libilbc"

  2467. libmodplug_demuxer_deps="libmodplug"

  2468. libmp3lame_encoder_deps="libmp3lame"

  2469. libmp3lame_encoder_select="audio_frame_queue"

  2470. libopencore_amrnb_decoder_deps="libopencore_amrnb"

  2471. libopencore_amrnb_encoder_deps="libopencore_amrnb"

  2472. libopencore_amrnb_encoder_select="audio_frame_queue"

  2473. libopencore_amrwb_decoder_deps="libopencore_amrwb"

  2474. libopenh264_encoder_deps="libopenh264"

  2475. libopenjpeg_decoder_deps="libopenjpeg"

  2476. libopenjpeg_encoder_deps="libopenjpeg"

  2477. libopus_decoder_deps="libopus"

  2478. libopus_encoder_deps="libopus"

  2479. libopus_encoder_select="audio_frame_queue"

  2480. libquvi_demuxer_deps="libquvi"

  2481. libschroedinger_decoder_deps="libschroedinger"

  2482. libschroedinger_encoder_deps="libschroedinger"

  2483. libshine_encoder_deps="libshine"

  2484. libshine_encoder_select="audio_frame_queue"

  2485. libspeex_decoder_deps="libspeex"

  2486. libspeex_encoder_deps="libspeex"

  2487. libspeex_encoder_select="audio_frame_queue"

  2488. libstagefright_h264_decoder_deps="libstagefright_h264"

  2489. libtheora_encoder_deps="libtheora"

  2490. libtwolame_encoder_deps="libtwolame"

  2491. libvo_aacenc_encoder_deps="libvo_aacenc"

  2492. libvo_aacenc_encoder_select="audio_frame_queue"

  2493. libvo_amrwbenc_encoder_deps="libvo_amrwbenc"

  2494. libvorbis_decoder_deps="libvorbis"

  2495. libvorbis_encoder_deps="libvorbis"

  2496. libvorbis_encoder_select="audio_frame_queue"

  2497. libvpx_vp8_decoder_deps="libvpx"

  2498. libvpx_vp8_encoder_deps="libvpx"

  2499. libvpx_vp9_decoder_deps="libvpx"

  2500. libvpx_vp9_encoder_deps="libvpx"

  2501. libwavpack_encoder_deps="libwavpack"

  2502. libwebp_encoder_deps="libwebp"

  2503. libwebp_anim_encoder_deps="libwebp"

  2504. libx264_encoder_deps="libx264"

  2505. libx264rgb_encoder_deps="libx264"

  2506. libx264rgb_encoder_select="libx264_encoder"

  2507. libx265_encoder_deps="libx265"

  2508. libxavs_encoder_deps="libxavs"

  2509. libxvid_encoder_deps="libxvid"

  2510. libutvideo_decoder_deps="libutvideo"

  2511. libutvideo_encoder_deps="libutvideo"

  2512. libzvbi_teletext_decoder_deps="libzvbi"

  2513. nvenc_encoder_deps="nvenc"

  2514. nvenc_h264_encoder_deps="nvenc"

  2515. nvenc_hevc_encoder_deps="nvenc"

  2516. 

  2517. # demuxers / muxers

  2518. ac3_demuxer_select="ac3_parser"

  2519. asf_demuxer_select="riffdec"

  2520. asf_o_demuxer_select="riffdec"

  2521. asf_muxer_select="riffenc"

  2522. asf_stream_muxer_select="asf_muxer"

  2523. avi_demuxer_select="riffdec exif"

  2524. avi_muxer_select="riffenc"

  2525. avisynth_demuxer_deps="avisynth"

  2526. avisynth_demuxer_select="riffdec"

  2527. caf_demuxer_select="riffdec"

  2528. dash_muxer_select="mp4_muxer"

  2529. dirac_demuxer_select="dirac_parser"

  2530. dts_demuxer_select="dca_parser"

  2531. dtshd_demuxer_select="dca_parser"

  2532. dv_demuxer_select="dvprofile"

  2533. dv_muxer_select="dvprofile"

  2534. dxa_demuxer_select="riffdec"

  2535. eac3_demuxer_select="ac3_parser"

  2536. f4v_muxer_select="mov_muxer"

  2537. flac_demuxer_select="flac_parser"

  2538. hds_muxer_select="flv_muxer"

  2539. hls_muxer_select="mpegts_muxer"

  2540. image2_alias_pix_demuxer_select="image2_demuxer"

  2541. image2_brender_pix_demuxer_select="image2_demuxer"

  2542. ipod_muxer_select="mov_muxer"

  2543. ismv_muxer_select="mov_muxer"

  2544. libnut_demuxer_deps="libnut"

  2545. libnut_muxer_deps="libnut"

  2546. matroska_audio_muxer_select="matroska_muxer"

  2547. matroska_demuxer_select="riffdec"

  2548. matroska_demuxer_suggest="bzlib lzo zlib"

  2549. matroska_muxer_select="riffenc"

  2550. mmf_muxer_select="riffenc"

  2551. mov_demuxer_select="riffdec"

  2552. mov_demuxer_suggest="zlib"

  2553. mov_muxer_select="riffenc rtpenc_chain"

  2554. mp3_demuxer_select="mpegaudio_parser"

  2555. mp4_muxer_select="mov_muxer"

  2556. mpegts_muxer_select="adts_muxer latm_muxer"

  2557. mpegtsraw_demuxer_select="mpegts_demuxer"

  2558. mxf_d10_muxer_select="mxf_muxer"

  2559. mxf_opatom_muxer_select="mxf_muxer"

  2560. nut_muxer_select="riffenc"

  2561. nuv_demuxer_select="riffdec"

  2562. oga_muxer_select="ogg_muxer"

  2563. ogg_demuxer_select="golomb"

  2564. opus_muxer_select="ogg_muxer"

  2565. psp_muxer_select="mov_muxer"

  2566. rtp_demuxer_select="sdp_demuxer"

  2567. rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"

  2568. rtsp_demuxer_select="http_protocol rtpdec"

  2569. rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"

  2570. sap_demuxer_select="sdp_demuxer"

  2571. sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"

  2572. sdp_demuxer_select="rtpdec"

  2573. smoothstreaming_muxer_select="ismv_muxer"

  2574. spdif_muxer_select="aac_parser"

  2575. spx_muxer_select="ogg_muxer"

  2576. tak_demuxer_select="tak_parser"

  2577. tg2_muxer_select="mov_muxer"

  2578. tgp_muxer_select="mov_muxer"

  2579. vobsub_demuxer_select="mpegps_demuxer"

  2580. w64_demuxer_select="wav_demuxer"

  2581. w64_muxer_select="wav_muxer"

  2582. wav_demuxer_select="riffdec"

  2583. wav_muxer_select="riffenc"

  2584. webm_muxer_select="riffenc"

  2585. wtv_demuxer_select="riffdec"

  2586. wtv_muxer_select="riffenc"

  2587. xmv_demuxer_select="riffdec"

  2588. xwma_demuxer_select="riffdec"

  2589. 

  2590. # indevs / outdevs

  2591. alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"

  2592. alsa_outdev_deps="alsa_asoundlib_h"

  2593. avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"

  2594. avfoundation_indev_select="avfoundation"

  2595. bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"

  2596. caca_outdev_deps="libcaca"

  2597. decklink_outdev_deps="decklink pthreads"

  2598. decklink_outdev_extralibs="-lstdc++"

  2599. decklink_indev_deps="decklink pthreads"

  2600. decklink_indev_extralibs="-lstdc++"

  2601. dshow_indev_deps="IBaseFilter"

  2602. dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"

  2603. dv1394_indev_deps="dv1394"

  2604. dv1394_indev_select="dv_demuxer"

  2605. fbdev_indev_deps="linux_fb_h"

  2606. fbdev_outdev_deps="linux_fb_h"

  2607. gdigrab_indev_deps="CreateDIBSection"

  2608. gdigrab_indev_extralibs="-lgdi32"

  2609. gdigrab_indev_select="bmp_decoder"

  2610. iec61883_indev_deps="libiec61883"

  2611. jack_indev_deps="jack_jack_h sem_timedwait"

  2612. lavfi_indev_deps="avfilter"

  2613. libcdio_indev_deps="libcdio"

  2614. libdc1394_indev_deps="libdc1394"

  2615. libv4l2_indev_deps="libv4l2"

  2616. openal_indev_deps="openal"

  2617. opengl_outdev_deps="opengl"

  2618. oss_indev_deps_any="soundcard_h sys_soundcard_h"

  2619. oss_outdev_deps_any="soundcard_h sys_soundcard_h"

  2620. pulse_indev_deps="libpulse"

  2621. pulse_outdev_deps="libpulse"

  2622. qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"

  2623. qtkit_indev_select="qtkit"

  2624. sdl_outdev_deps="sdl"

  2625. sndio_indev_deps="sndio_h"

  2626. sndio_outdev_deps="sndio_h"

  2627. v4l_indev_deps="linux_videodev_h"

  2628. v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"

  2629. v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"

  2630. vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"

  2631. vfwcap_indev_extralibs="-lavicap32"

  2632. xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"

  2633. xv_outdev_extralibs="-lXv -lX11 -lXext"

  2634. x11grab_indev_deps="x11grab"

  2635. x11grab_xcb_indev_deps="libxcb"

  2636. 

  2637. # protocols

  2638. bluray_protocol_deps="libbluray"

  2639. ffrtmpcrypt_protocol_deps="!librtmp_protocol"

  2640. ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"

  2641. ffrtmpcrypt_protocol_select="tcp_protocol"

  2642. ffrtmphttp_protocol_deps="!librtmp_protocol"

  2643. ffrtmphttp_protocol_select="http_protocol"

  2644. ftp_protocol_select="tcp_protocol"

  2645. gopher_protocol_select="network"

  2646. http_protocol_select="tcp_protocol"

  2647. httpproxy_protocol_select="tcp_protocol"

  2648. https_protocol_select="tls_protocol"

  2649. icecast_protocol_select="http_protocol"

  2650. librtmp_protocol_deps="librtmp"

  2651. librtmpe_protocol_deps="librtmp"

  2652. librtmps_protocol_deps="librtmp"

  2653. librtmpt_protocol_deps="librtmp"

  2654. librtmpte_protocol_deps="librtmp"

  2655. libsmbclient_protocol_deps="libsmbclient gplv3"

  2656. libssh_protocol_deps="libssh"

  2657. mmsh_protocol_select="http_protocol"

  2658. mmst_protocol_select="network"

  2659. rtmp_protocol_deps="!librtmp_protocol"

  2660. rtmp_protocol_select="tcp_protocol"

  2661. rtmpe_protocol_select="ffrtmpcrypt_protocol"

  2662. rtmps_protocol_deps="!librtmp_protocol"

  2663. rtmps_protocol_select="tls_protocol"

  2664. rtmpt_protocol_select="ffrtmphttp_protocol"

  2665. rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"

  2666. rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"

  2667. rtp_protocol_select="udp_protocol"

  2668. sctp_protocol_deps="struct_sctp_event_subscribe"

  2669. sctp_protocol_select="network"

  2670. srtp_protocol_select="rtp_protocol"

  2671. tcp_protocol_select="network"

  2672. tls_gnutls_protocol_deps="gnutls !tls_securetransport_protocol"

  2673. tls_gnutls_protocol_select="tcp_protocol"

  2674. tls_openssl_protocol_deps="openssl !tls_securetransport_protocol !tls_gnutls_protocol"

  2675. tls_openssl_protocol_select="tcp_protocol"

  2676. tls_securetransport_protocol_deps="securetransport"

  2677. tls_securetransport_protocol_select="tcp_protocol"

  2678. tls_protocol_deps_any="tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"

  2679. udp_protocol_select="network"

  2680. udplite_protocol_select="network"

  2681. unix_protocol_deps="sys_un_h"

  2682. unix_protocol_select="network"

  2683. 

  2684. # filters

  2685. amovie_filter_deps="avcodec avformat"

  2686. aresample_filter_deps="swresample"

  2687. ass_filter_deps="libass"

  2688. asyncts_filter_deps="avresample"

  2689. atempo_filter_deps="avcodec"

  2690. atempo_filter_select="rdft"

  2691. azmq_filter_deps="libzmq"

  2692. blackframe_filter_deps="gpl"

  2693. boxblur_filter_deps="gpl"

  2694. bs2b_filter_deps="libbs2b"

  2695. colormatrix_filter_deps="gpl"

  2696. cover_rect_filter_deps="avcodec avformat gpl"

  2697. cropdetect_filter_deps="gpl"

  2698. delogo_filter_deps="gpl"

  2699. deshake_filter_select="pixelutils"

  2700. drawtext_filter_deps="libfreetype"

  2701. ebur128_filter_deps="gpl"

  2702. eq_filter_deps="gpl"

  2703. fftfilt_filter_deps="avcodec"

  2704. fftfilt_filter_select="rdft"

  2705. flite_filter_deps="libflite"

  2706. find_rect_filter_deps="avcodec avformat gpl"

  2707. frei0r_filter_deps="frei0r dlopen"

  2708. frei0r_src_filter_deps="frei0r dlopen"

  2709. fspp_filter_deps="gpl"

  2710. geq_filter_deps="gpl"

  2711. histeq_filter_deps="gpl"

  2712. hqdn3d_filter_deps="gpl"

  2713. interlace_filter_deps="gpl"

  2714. kerndeint_filter_deps="gpl"

  2715. ladspa_filter_deps="ladspa dlopen"

  2716. mcdeint_filter_deps="avcodec gpl"

  2717. movie_filter_deps="avcodec avformat"

  2718. mpdecimate_filter_deps="gpl"

  2719. mpdecimate_filter_select="pixelutils"

  2720. mptestsrc_filter_deps="gpl"

  2721. negate_filter_deps="lut_filter"

  2722. perspective_filter_deps="gpl"

  2723. pp7_filter_deps="gpl"

  2724. ocv_filter_deps="libopencv"

  2725. owdenoise_filter_deps="gpl"

  2726. pan_filter_deps="swresample"

  2727. phase_filter_deps="gpl"

  2728. pp_filter_deps="gpl postproc"

  2729. pullup_filter_deps="gpl"

  2730. removelogo_filter_deps="avcodec avformat swscale"

  2731. repeatfields_filter_deps="gpl"

  2732. resample_filter_deps="avresample"

  2733. sab_filter_deps="gpl swscale"

  2734. scale_filter_deps="swscale"

  2735. select_filter_select="pixelutils"

  2736. smartblur_filter_deps="gpl swscale"

  2737. showcqt_filter_deps="avcodec"

  2738. showcqt_filter_select="fft"

  2739. showspectrum_filter_deps="avcodec"

  2740. showspectrum_filter_select="rdft"

  2741. spp_filter_deps="gpl avcodec"

  2742. spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"

  2743. stereo3d_filter_deps="gpl"

  2744. subtitles_filter_deps="avformat avcodec libass"

  2745. super2xsai_filter_deps="gpl"

  2746. tinterlace_filter_deps="gpl"

  2747. vidstabdetect_filter_deps="libvidstab"

  2748. vidstabtransform_filter_deps="libvidstab"

  2749. pixfmts_super2xsai_test_deps="super2xsai_filter"

  2750. tinterlace_merge_test_deps="tinterlace_filter"

  2751. tinterlace_pad_test_deps="tinterlace_filter"

  2752. uspp_filter_deps="gpl avcodec"

  2753. zmq_filter_deps="libzmq"

  2754. zoompan_filter_deps="swscale"

  2755. 

  2756. # examples

  2757. avio_reading="avformat avcodec avutil"

  2758. avio_list_dir="avformat avutil"

  2759. avcodec_example_deps="avcodec avutil"

  2760. decoding_encoding_example_deps="avcodec avformat avutil"

  2761. demuxing_decoding_example_deps="avcodec avformat avutil"

  2762. extract_mvs_example_deps="avcodec avformat avutil"

  2763. filter_audio_example_deps="avfilter avutil"

  2764. filtering_audio_example_deps="avfilter avcodec avformat avutil"

  2765. filtering_video_example_deps="avfilter avcodec avformat avutil"

  2766. metadata_example_deps="avformat avutil"

  2767. muxing_example_deps="avcodec avformat avutil swscale"

  2768. qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"

  2769. remuxing_example_deps="avcodec avformat avutil"

  2770. resampling_audio_example_deps="avutil swresample"

  2771. scaling_video_example_deps="avutil swscale"

  2772. transcode_aac_example_deps="avcodec avformat swresample"

  2773. transcoding_example_deps="avfilter avcodec avformat avutil"

  2774. 

  2775. # libraries, in linking order

  2776. avcodec_deps="avutil"

  2777. avdevice_deps="avformat avcodec avutil"

  2778. avfilter_deps="avutil"

  2779. avformat_deps="avcodec avutil"

  2780. avresample_deps="avutil"

  2781. postproc_deps="avutil gpl"

  2782. swresample_deps="avutil"

  2783. swscale_deps="avutil"

  2784. 

  2785. # programs

  2786. ffmpeg_deps="avcodec avfilter avformat swresample"

  2787. ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter

  2788.                null_filter

  2789.                setpts_filter trim_filter"

  2790. ffplay_deps="avcodec avformat swscale swresample sdl"

  2791. ffplay_libs='$sdl_libs'

  2792. ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"

  2793. ffprobe_deps="avcodec avformat"

  2794. ffserver_deps="avformat fork sarestart"

  2795. ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"

  2796. 

  2797. # documentation

  2798. podpages_deps="perl"

  2799. manpages_deps="perl pod2man"

  2800. htmlpages_deps="perl"

  2801. htmlpages_deps_any="makeinfo_html texi2html"

  2802. txtpages_deps="perl makeinfo"

  2803. doc_deps_any="manpages htmlpages podpages txtpages"

  2804. 

  2805. # default parameters

  2806. 

  2807. logfile="config.log"

  2808. 

  2809. # installation paths

  2810. prefix_default="/usr/local"

  2811. bindir_default='${prefix}/bin'

  2812. datadir_default='${prefix}/share/ffmpeg'

  2813. docdir_default='${prefix}/share/doc/ffmpeg'

  2814. incdir_default='${prefix}/include'

  2815. libdir_default='${prefix}/lib'

  2816. mandir_default='${prefix}/share/man'

  2817. 

  2818. # toolchain

  2819. ar_default="ar"

  2820. cc_default="gcc"

  2821. cxx_default="g++"

  2822. host_cc_default="gcc"

  2823. cp_f="cp -f"

  2824. doxygen_default="doxygen"

  2825. install="install"

  2826. ln_s="ln -s -f"

  2827. nm_default="nm -g"

  2828. objformat="elf"

  2829. pkg_config_default=pkg-config

  2830. ranlib_default="ranlib"

  2831. strip_default="strip"

  2832. yasmexe_default="yasm"

  2833. windres_default="windres"

  2834. 

  2835. # OS

  2836. target_os_default=$(tolower $(uname -s))

  2837. host_os=$target_os_default

  2838. 

  2839. # machine

  2840. if test "$target_os_default" = aix; then

  2841.     arch_default=$(uname -p)

  2842.     strip_default="strip -X32_64"

  2843. else

  2844.     arch_default=$(uname -m)

  2845. fi

  2846. cpu="generic"

  2847. intrinsics="none"

  2848. 

  2849. # configurable options

  2850. enable $PROGRAM_LIST

  2851. enable $DOCUMENT_LIST

  2852. enable $EXAMPLE_LIST

  2853. enable $(filter_out avresample $LIBRARY_LIST)

  2854. enable stripping

  2855. 

  2856. enable asm

  2857. enable debug

  2858. enable doc

  2859. enable faan faandct faanidct

  2860. enable optimizations

  2861. enable runtime_cpudetect

  2862. enable safe_bitstream_reader

  2863. enable static

  2864. enable swscale_alpha

  2865. enable valgrind_backtrace

  2866. 

  2867. sws_max_filter_size_default=256

  2868. set_default sws_max_filter_size

  2869. 

  2870. # Enable hwaccels by default.

  2871. enable d3d11va dxva2 vaapi vda vdpau xvmc

  2872. enable xlib

  2873. 

  2874. # build settings

  2875. SHFLAGS='-shared -Wl,-soname,$$(@F)'

  2876. LIBPREF="lib"

  2877. LIBSUF=".a"

  2878. FULLNAME='$(NAME)$(BUILDSUF)'

  2879. LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'

  2880. SLIBPREF="lib"

  2881. SLIBSUF=".so"

  2882. SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'

  2883. SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'

  2884. SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'

  2885. LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'

  2886. SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'

  2887. SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'

  2888. 

  2889. asflags_filter=echo

  2890. cflags_filter=echo

  2891. ldflags_filter=echo

  2892. 

  2893. AS_C='-c'

  2894. AS_O='-o $@'

  2895. CC_C='-c'

  2896. CC_E='-E -o $@'

  2897. CC_O='-o $@'

  2898. CXX_C='-c'

  2899. CXX_O='-o $@'

  2900. LD_O='-o $@'

  2901. LD_LIB='-l%'

  2902. LD_PATH='-L'

  2903. HOSTCC_C='-c'

  2904. HOSTCC_E='-E -o $@'

  2905. HOSTCC_O='-o $@'

  2906. HOSTLD_O='-o $@'

  2907. 

  2908. host_libs='-lm'

  2909. host_cflags_filter=echo

  2910. host_ldflags_filter=echo

  2911. 

  2912. target_path='$(CURDIR)'

  2913. 

  2914. # since the object filename is not given with the -MM flag, the compiler

  2915. # is only able to print the basename, and we must add the path ourselves

  2916. DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'

  2917. DEPFLAGS='-MM'

  2918. 

  2919. # find source path

  2920. if test -f configure; then

  2921.     source_path=.

  2922. else

  2923.     source_path=$(cd $(dirname "$0"); pwd)

  2924.     echo "$source_path" | grep -q '[[:blank:]]' &&

  2925.         die "Out of tree builds are impossible with whitespace in source path."

  2926.     test -e "$source_path/config.h" &&

  2927.         die "Out of tree builds are impossible with config.h in source dir."

  2928. fi

  2929. 

  2930. for v in "$@"; do

  2931.     r=${v#*=}

  2932.     l=${v%"$r"}

  2933.     r=$(sh_quote "$r")

  2934.     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"

  2935. done

  2936. 

  2937. find_things(){

  2938.     thing=$1

  2939.     pattern=$2

  2940.     file=$source_path/$3

  2941.     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"

  2942. }

  2943. 

  2944. ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)

  2945. DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)

  2946. HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)

  2947. PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)

  2948. BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)

  2949. MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)

  2950. DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)

  2951. OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)

  2952. INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)

  2953. PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)

  2954. FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)

  2955. 

  2956. ALL_COMPONENTS="

  2957.     $BSF_LIST

  2958.     $DECODER_LIST

  2959.     $DEMUXER_LIST

  2960.     $ENCODER_LIST

  2961.     $FILTER_LIST

  2962.     $HWACCEL_LIST

  2963.     $INDEV_LIST

  2964.     $MUXER_LIST

  2965.     $OUTDEV_LIST

  2966.     $PARSER_LIST

  2967.     $PROTOCOL_LIST

  2968. "

  2969. 

  2970. for n in $COMPONENT_LIST; do

  2971.     v=$(toupper ${n%s})_LIST

  2972.     eval enable \$$v

  2973.     eval ${n}_if_any="\$$v"

  2974. done

  2975. 

  2976. enable $ARCH_EXT_LIST

  2977. 

  2978. die_unknown(){

  2979.     echo "Unknown option \"$1\"."

  2980.     echo "See $0 --help for available options."

  2981.     exit 1

  2982. }

  2983. 

  2984. print_3_columns() {

  2985.     cat | tr ' ' '\n' | sort | pr -r -3 -t

  2986. }

  2987. 

  2988. show_list() {

  2989.     suffix=_$1

  2990.     shift

  2991.     echo $* | sed s/$suffix//g | print_3_columns

  2992.     exit 0

  2993. }

  2994. 

  2995. rand_list(){

  2996.     IFS=', '

  2997.     set -- $*

  2998.     unset IFS

  2999.     for thing; do

  3000.         comp=${thing%:*}

  3001.         prob=${thing#$comp}

  3002.         prob=${prob#:}

  3003.         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST

  3004.         echo "prob ${prob:-0.5}"

  3005.         printf '%s\n' $comp

  3006.     done

  3007. }

  3008. 

  3009. do_random(){

  3010.     action=$1

  3011.     shift

  3012.     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")

  3013.     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")

  3014. }

  3015. 

  3016. for opt do

  3017.     optval="${opt#*=}"

  3018.     case "$opt" in

  3019.         --extra-ldflags=*)

  3020.             add_ldflags $optval

  3021.         ;;

  3022.         --extra-ldexeflags=*)

  3023.             add_ldexeflags $optval

  3024.         ;;

  3025.         --extra-ldlibflags=*)

  3026.             add_ldlibflags $optval

  3027.         ;;

  3028.         --extra-libs=*)

  3029.             add_extralibs $optval

  3030.         ;;

  3031.         --disable-devices)

  3032.             disable $INDEV_LIST $OUTDEV_LIST

  3033.         ;;

  3034.         --enable-debug=*)

  3035.             debuglevel="$optval"

  3036.         ;;

  3037.         --disable-programs)

  3038.             disable $PROGRAM_LIST

  3039.         ;;

  3040.         --disable-everything)

  3041.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3042.         ;;

  3043.         --disable-all)

  3044.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3045.             disable $LIBRARY_LIST $PROGRAM_LIST doc

  3046.         ;;

  3047.         --enable-random|--disable-random)

  3048.             action=${opt%%-random}

  3049.             do_random ${action#--} $COMPONENT_LIST

  3050.         ;;

  3051.         --enable-random=*|--disable-random=*)

  3052.             action=${opt%%-random=*}

  3053.             do_random ${action#--} $optval

  3054.         ;;

  3055.         --enable-*=*|--disable-*=*)

  3056.             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')

  3057.             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"

  3058.             eval list=\$$(toupper $thing)_LIST

  3059.             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}

  3060.             list=$(filter "$name" $list)

  3061.             [ "$list" = "" ] && warn "Option $opt did not match anything"

  3062.             $action $list

  3063.         ;;

  3064.         --enable-?*|--disable-?*)

  3065.             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')

  3066.             if is_in $option $COMPONENT_LIST; then

  3067.                 test $action = disable && action=unset

  3068.                 eval $action \$$(toupper ${option%s})_LIST

  3069.             elif is_in $option $CMDLINE_SELECT; then

  3070.                 $action $option

  3071.             else

  3072.                 die_unknown $opt

  3073.             fi

  3074.         ;;

  3075.         --list-*)

  3076.             NAME="${opt#--list-}"

  3077.             is_in $NAME $COMPONENT_LIST || die_unknown $opt

  3078.             NAME=${NAME%s}

  3079.             eval show_list $NAME \$$(toupper $NAME)_LIST

  3080.         ;;

  3081.         --help|-h) show_help

  3082.         ;;

  3083.         --fatal-warnings) enable fatal_warnings

  3084.         ;;

  3085.         *)

  3086.             optname="${opt%%=*}"

  3087.             optname="${optname#--}"

  3088.             optname=$(echo "$optname" | sed 's/-/_/g')

  3089.             if is_in $optname $CMDLINE_SET; then

  3090.                 eval $optname='$optval'

  3091.             elif is_in $optname $CMDLINE_APPEND; then

  3092.                 append $optname "$optval"

  3093.             else

  3094.                 die_unknown $opt

  3095.             fi

  3096.         ;;

  3097.     esac

  3098. done

  3099. 

  3100. for e in $env; do

  3101.     eval "export $e"

  3102. done

  3103. 

  3104. disabled logging && logfile=/dev/null

  3105. 

  3106. echo "# $0 $FFMPEG_CONFIGURATION" > $logfile

  3107. set >> $logfile

  3108. 

  3109. test -n "$valgrind" && toolchain="valgrind-memcheck"

  3110. 

  3111. case "$toolchain" in

  3112.     clang-asan)

  3113.         cc_default="clang"

  3114.         add_cflags  -fsanitize=address

  3115.         add_ldflags -fsanitize=address

  3116.     ;;

  3117.     clang-tsan)

  3118.         cc_default="clang"

  3119.         add_cflags  -fsanitize=thread -pie

  3120.         add_ldflags -fsanitize=thread -pie

  3121.     ;;

  3122.     clang-usan)

  3123.         cc_default="clang"

  3124.         add_cflags  -fsanitize=undefined

  3125.         add_ldflags -fsanitize=undefined

  3126.     ;;

  3127.     gcc-asan)

  3128.         cc_default="gcc"

  3129.         add_cflags  -fsanitize=address

  3130.         add_ldflags -fsanitize=address

  3131.     ;;

  3132.     gcc-tsan)

  3133.         cc_default="gcc"

  3134.         add_cflags  -fsanitize=thread -pie -fPIC

  3135.         add_ldflags -fsanitize=thread -pie -fPIC

  3136.     ;;

  3137.     gcc-usan)

  3138.         cc_default="gcc"

  3139.         add_cflags  -fsanitize=undefined

  3140.         add_ldflags -fsanitize=undefined

  3141.     ;;

  3142.     valgrind-massif)

  3143.         target_exec_default=${valgrind:-"valgrind"}

  3144.         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"

  3145.     ;;

  3146.     valgrind-memcheck)

  3147.         target_exec_default=${valgrind:-"valgrind"}

  3148.         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"

  3149.     ;;

  3150.     msvc)

  3151.         # Check whether the current MSVC version needs the C99 converter.

  3152.         # From MSVC 2013 (compiler major version 18) onwards, it does actually

  3153.         # support enough of C99 to build ffmpeg. Default to the new

  3154.         # behaviour if the regexp was unable to match anything, since this

  3155.         # successfully parses the version number of existing supported

  3156.         # versions that require the converter (MSVC 2010 and 2012).

  3157.         cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')

  3158.         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then

  3159.             cc_default="cl"

  3160.         else

  3161.             cc_default="c99wrap cl"

  3162.         fi

  3163.         ld_default="link"

  3164.         nm_default="dumpbin -symbols"

  3165.         ar_default="lib"

  3166.         target_os_default="win32"

  3167.         # Use a relative path for TMPDIR. This makes sure all the

  3168.         # ffconf temp files are written with a relative path, avoiding

  3169.         # issues with msys/win32 path conversion for MSVC parameters

  3170.         # such as -Fo<file> or -out:<file>.

  3171.         TMPDIR=.

  3172.     ;;

  3173.     icl)

  3174.         cc_default="icl"

  3175.         ld_default="xilink"

  3176.         nm_default="dumpbin -symbols"

  3177.         ar_default="xilib"

  3178.         target_os_default="win32"

  3179.         TMPDIR=.

  3180.     ;;

  3181.     gcov)

  3182.         add_cflags  -fprofile-arcs -ftest-coverage

  3183.         add_ldflags -fprofile-arcs -ftest-coverage

  3184.     ;;

  3185.     hardened)

  3186.         add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2

  3187.         add_cflags   -fno-strict-overflow -fstack-protector-all

  3188.         add_ldflags  -Wl,-z,relro -Wl,-z,now

  3189.     ;;

  3190.     ?*)

  3191.         die "Unknown toolchain $toolchain"

  3192.     ;;

  3193. esac

  3194. 

  3195. test -n "$cross_prefix" && enable cross_compile

  3196. 

  3197. if enabled cross_compile; then

  3198.     test -n "$arch" && test -n "$target_os" ||

  3199.         die "Must specify target arch and OS when cross-compiling"

  3200. fi

  3201. 

  3202. ar_default="${cross_prefix}${ar_default}"

  3203. cc_default="${cross_prefix}${cc_default}"

  3204. cxx_default="${cross_prefix}${cxx_default}"

  3205. nm_default="${cross_prefix}${nm_default}"

  3206. pkg_config_default="${cross_prefix}${pkg_config_default}"

  3207. if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then

  3208.     ranlib_default="${cross_prefix}${ranlib_default} -D"

  3209. else

  3210.     ranlib_default="${cross_prefix}${ranlib_default}"

  3211. fi

  3212. strip_default="${cross_prefix}${strip_default}"

  3213. windres_default="${cross_prefix}${windres_default}"

  3214. 

  3215. sysinclude_default="${sysroot}/usr/include"

  3216. 

  3217. set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \

  3218.     target_exec target_os yasmexe

  3219. enabled cross_compile || host_cc_default=$cc

  3220. set_default host_cc

  3221. 

  3222. pkg_config_fail_message=""

  3223. if ! $pkg_config --version >/dev/null 2>&1; then

  3224.     warn "$pkg_config not found, library detection may fail."

  3225.     pkg_config=false

  3226. elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then

  3227.     pkg_config_fail_message="

  3228. Note: When building a static binary, add --pkg-config-flags=\"--static\"."

  3229. fi

  3230. 

  3231. if test $doxygen != $doxygen_default && \

  3232.   ! $doxygen --version >/dev/null 2>&1; then

  3233.     warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."

  3234. fi

  3235. 

  3236. exesuf() {

  3237.     case $1 in

  3238.         mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;

  3239.     esac

  3240. }

  3241. 

  3242. EXESUF=$(exesuf $target_os)

  3243. HOSTEXESUF=$(exesuf $host_os)

  3244. 

  3245. # set temporary file name

  3246. : ${TMPDIR:=$TEMPDIR}

  3247. : ${TMPDIR:=$TMP}

  3248. : ${TMPDIR:=/tmp}

  3249. 

  3250. if [ -n "$tempprefix" ] ; then

  3251.     mktemp(){

  3252.         echo $tempprefix.${HOSTNAME}.${UID}

  3253.     }

  3254. elif ! check_cmd mktemp -u XXXXXX; then

  3255.     # simple replacement for missing mktemp

  3256.     # NOT SAFE FOR GENERAL USE

  3257.     mktemp(){

  3258.         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"

  3259.     }

  3260. fi

  3261. 

  3262. tmpfile(){

  3263.     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&

  3264.         (set -C; exec > $tmp) 2>/dev/null ||

  3265.         die "Unable to create temporary file in $TMPDIR."

  3266.     append TMPFILES $tmp

  3267.     eval $1=$tmp

  3268. }

  3269. 

  3270. trap 'rm -f -- $TMPFILES' EXIT

  3271. 

  3272. tmpfile TMPASM .asm

  3273. tmpfile TMPC   .c

  3274. tmpfile TMPCPP .cpp

  3275. tmpfile TMPE   $EXESUF

  3276. tmpfile TMPH   .h

  3277. tmpfile TMPM   .m

  3278. tmpfile TMPO   .o

  3279. tmpfile TMPS   .S

  3280. tmpfile TMPSH  .sh

  3281. tmpfile TMPV   .ver

  3282. 

  3283. unset -f mktemp

  3284. 

  3285. chmod +x $TMPE

  3286. 

  3287. # make sure we can execute files in $TMPDIR

  3288. cat > $TMPSH 2>> $logfile <<EOF

  3289. #! /bin/sh

  3290. EOF

  3291. chmod +x $TMPSH >> $logfile 2>&1

  3292. if ! $TMPSH >> $logfile 2>&1; then

  3293.     cat <<EOF

  3294. Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment

  3295. variable to another directory and make sure that it is not mounted noexec.

  3296. EOF

  3297.     die "Sanity test failed."

  3298. fi

  3299. 

  3300. armasm_flags(){

  3301.     for flag; do

  3302.         case $flag in

  3303.             # Filter out MSVC cl.exe options from cflags that shouldn't

  3304.             # be passed to gas-preprocessor

  3305.             -M[TD]*)                                            ;;

  3306.             *)                  echo $flag                      ;;

  3307.         esac

  3308.    done

  3309. }

  3310. 

  3311. ccc_flags(){

  3312.     for flag; do

  3313.         case $flag in

  3314.             -std=c99)           echo -c99                       ;;

  3315.             -mcpu=*)            echo -arch ${flag#*=}           ;;

  3316.             -mieee)             echo -ieee                      ;;

  3317.             -O*|-fast)          echo $flag                      ;;

  3318.             -fno-math-errno)    echo -assume nomath_errno       ;;

  3319.             -g)                 echo -g3                        ;;

  3320.             -Wall)              echo -msg_enable level2         ;;

  3321.             -Wno-pointer-sign)  echo -msg_disable ptrmismatch1  ;;

  3322.             -Wl,*)              echo $flag                      ;;

  3323.             -f*|-W*)                                            ;;

  3324.             *)                  echo $flag                      ;;

  3325.         esac

  3326.    done

  3327. }

  3328. 

  3329. cparser_flags(){

  3330.     for flag; do

  3331.         case $flag in

  3332.             -Wno-switch)             echo -Wno-switch-enum ;;

  3333.             -Wno-format-zero-length) ;;

  3334.             -Wdisabled-optimization) ;;

  3335.             -Wno-pointer-sign)       echo -Wno-other ;;

  3336.             *)                       echo $flag ;;

  3337.         esac

  3338.     done

  3339. }

  3340. 

  3341. msvc_common_flags(){

  3342.     for flag; do

  3343.         case $flag in

  3344.             # In addition to specifying certain flags under the compiler

  3345.             # specific filters, they must be specified here as well or else the

  3346.             # generic catch all at the bottom will print the original flag.

  3347.             -Wall)                ;;

  3348.             -std=c99)             ;;

  3349.             # Common flags

  3350.             -fomit-frame-pointer) ;;

  3351.             -g)                   echo -Z7 ;;

  3352.             -fno-math-errno)      ;;

  3353.             -fno-common)          ;;

  3354.             -fno-signed-zeros)    ;;

  3355.             -fPIC)                ;;

  3356.             -mthumb)              ;;

  3357.             -march=*)             ;;

  3358.             -lz)                  echo zlib.lib ;;

  3359.             -lavifil32)           echo vfw32.lib ;;

  3360.             -lavicap32)           echo vfw32.lib user32.lib ;;

  3361.             -l*)                  echo ${flag#-l}.lib ;;

  3362.             -L*)                  echo -libpath:${flag#-L} ;;

  3363.             *)                    echo $flag ;;

  3364.         esac

  3365.     done

  3366. }

  3367. 

  3368. msvc_flags(){

  3369.     msvc_common_flags "$@"

  3370.     for flag; do

  3371.         case $flag in

  3372.             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389     \

  3373.                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \

  3374.                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \

  3375.                                        -wd4307 \

  3376.                                        -wd4273 -wd4554 -wd4701 ;;

  3377.         esac

  3378.     done

  3379. }

  3380. 

  3381. icl_flags(){

  3382.     msvc_common_flags "$@"

  3383.     for flag; do

  3384.         case $flag in

  3385.             # Despite what Intel's documentation says -Wall, which is supported

  3386.             # on Windows, does enable remarks so disable them here.

  3387.             -Wall)                echo $flag -Qdiag-disable:remark ;;

  3388.             -std=c99)             echo -Qstd=c99 ;;

  3389.             -flto)                echo -ipo ;;

  3390.         esac

  3391.     done

  3392. }

  3393. 

  3394. icc_flags(){

  3395.     for flag; do

  3396.         case $flag in

  3397.             -flto)                echo -ipo ;;

  3398.             *)                    echo $flag ;;

  3399.         esac

  3400.     done

  3401. }

  3402. 

  3403. pgi_flags(){

  3404.     for flag; do

  3405.         case $flag in

  3406.             -flto)                echo -Mipa=fast,libopt,libinline,vestigial ;;

  3407.             -fomit-frame-pointer) echo -Mnoframe ;;

  3408.             -g)                   echo -gopt ;;

  3409.             *)                    echo $flag ;;

  3410.         esac

  3411.     done

  3412. }

  3413. 

  3414. suncc_flags(){

  3415.     for flag; do

  3416.         case $flag in

  3417.             -march=*|-mcpu=*)

  3418.                 case "${flag#*=}" in

  3419.                     native)                   echo -xtarget=native       ;;

  3420.                     v9|niagara)               echo -xarch=sparc          ;;

  3421.                     ultrasparc)               echo -xarch=sparcvis       ;;

  3422.                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;

  3423.                     i586|pentium)             echo -xchip=pentium        ;;

  3424.                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;

  3425.                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;

  3426.                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;

  3427.                     pentium4*)          echo -xtarget=pentium4           ;;

  3428.                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;

  3429.                     *-sse3)             echo -xarch=sse3                 ;;

  3430.                     core2)              echo -xarch=ssse3 -xchip=core2   ;;

  3431.                     bonnell)                   echo -xarch=ssse3         ;;

  3432.                     corei7|nehalem)            echo -xtarget=nehalem     ;;

  3433.                     westmere)                  echo -xtarget=westmere    ;;

  3434.                     silvermont)                echo -xarch=sse4_2        ;;

  3435.                     corei7-avx|sandybridge)    echo -xtarget=sandybridge ;;

  3436.                     core-avx*|ivybridge|haswell|broadwell)

  3437.                                                echo -xarch=avx           ;;

  3438.                     amdfam10|barcelona)        echo -xtarget=barcelona   ;;

  3439.                     btver1)                    echo -xarch=amdsse4a      ;;

  3440.                     btver2|bdver*)             echo -xarch=avx           ;;

  3441.                     athlon-4|athlon-[mx]p)     echo -xarch=ssea          ;;

  3442.                     k8|opteron|athlon64|athlon-fx)

  3443.                                                echo -xarch=sse2a         ;;

  3444.                     athlon*)                   echo -xarch=pentium_proa  ;;

  3445.                 esac

  3446.                 ;;

  3447.             -std=c99)             echo -xc99              ;;

  3448.             -fomit-frame-pointer) echo -xregs=frameptr    ;;

  3449.             -fPIC)                echo -KPIC -xcode=pic32 ;;

  3450.             -W*,*)                echo $flag              ;;

  3451.             -f*-*|-W*|-mimpure-text)                      ;;

  3452.             -shared)              echo -G                 ;;

  3453.             *)                    echo $flag              ;;

  3454.         esac

  3455.     done

  3456. }

  3457. 

  3458. tms470_flags(){

  3459.     for flag; do

  3460.         case $flag in

  3461.             -march=*|-mcpu=*)

  3462.                 case "${flag#*=}" in

  3463.                     armv7-a|cortex-a*)      echo -mv=7a8 ;;

  3464.                     armv7-r|cortex-r*)      echo -mv=7r4 ;;

  3465.                     armv7-m|cortex-m*)      echo -mv=7m3 ;;

  3466.                     armv6*|arm11*)          echo -mv=6   ;;

  3467.                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])

  3468.                                             echo -mv=5e  ;;

  3469.                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;

  3470.                 esac

  3471.                 ;;

  3472.             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;

  3473.             -mfpu=vfp)      echo --float_support=vfpv2        ;;

  3474.             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;

  3475.             -mfpu=vfpv3-d16) echo --float_support=vfpv3d16    ;;

  3476.             -msoft-float)   echo --float_support=vfplib       ;;

  3477.             -O[0-3]|-mf=*)  echo $flag                        ;;

  3478.             -g)             echo -g -mn                       ;;

  3479.             -pds=*)         echo $flag                        ;;

  3480.             -D*|-I*)        echo $flag                        ;;

  3481.             --gcc|--abi=*)  echo $flag                        ;;

  3482.             -me)            echo $flag                        ;;

  3483.         esac

  3484.     done

  3485. }

  3486. 

  3487. probe_cc(){

  3488.     pfx=$1

  3489.     _cc=$2

  3490. 

  3491.     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags

  3492.     unset _ld_o _ldflags _ld_lib _ld_path

  3493.     unset _depflags _DEPCMD _DEPFLAGS

  3494.     _flags_filter=echo

  3495. 

  3496.     if $_cc --version 2>&1 | grep -q '^GNU assembler'; then

  3497.         true # no-op to avoid reading stdin in following checks

  3498.     elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then

  3499.         _type=llvm_gcc

  3500.         gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')

  3501.         _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"

  3502.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3503.         _cflags_speed='-O3'

  3504.         _cflags_size='-Os'

  3505.     elif $_cc -v 2>&1 | grep -qi ^gcc; then

  3506.         _type=gcc

  3507.         gcc_version=$($_cc --version | head -n1)

  3508.         gcc_basever=$($_cc -dumpversion)

  3509.         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')

  3510.         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")

  3511.         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")

  3512.         if ! $_cc -dumpversion | grep -q '^2\.'; then

  3513.             _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3514.         fi

  3515.         _cflags_speed='-O3'

  3516.         _cflags_size='-Os'

  3517.     elif $_cc --version 2>/dev/null | grep -q ^icc; then

  3518.         _type=icc

  3519.         _ident=$($_cc --version | head -n1)

  3520.         _depflags='-MMD'

  3521.         _cflags_speed='-O3'

  3522.         _cflags_size='-Os'

  3523.         _cflags_noopt='-O1'

  3524.         _flags_filter=icc_flags

  3525.     elif $_cc -v 2>&1 | grep -q xlc; then

  3526.         _type=xlc

  3527.         _ident=$($_cc -qversion 2>/dev/null | head -n1)

  3528.         _cflags_speed='-O5'

  3529.         _cflags_size='-O5 -qcompact'

  3530.     elif $_cc -V 2>/dev/null | grep -q Compaq; then

  3531.         _type=ccc

  3532.         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)

  3533.         _DEPFLAGS='-M'

  3534.         _cflags_speed='-fast'

  3535.         _cflags_size='-O1'

  3536.         _flags_filter=ccc_flags

  3537.     elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then

  3538.         test -d "$sysroot" || die "No valid sysroot specified."

  3539.         _type=armcc

  3540.         _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')

  3541.         armcc_conf="$PWD/armcc.conf"

  3542.         $_cc --arm_linux_configure                 \

  3543.              --arm_linux_config_file="$armcc_conf" \

  3544.              --configure_sysroot="$sysroot"        \

  3545.              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||

  3546.              die "Error creating armcc configuration file."

  3547.         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc

  3548.         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"

  3549.         as_default="${cross_prefix}gcc"

  3550.         _depflags='-MMD'

  3551.         _cflags_speed='-O3'

  3552.         _cflags_size='-Os'

  3553.     elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then

  3554.         _type=tms470

  3555.         _ident=$($_cc -version | head -n1 | tr -s ' ')

  3556.         _flags='--gcc --abi=eabi -me'

  3557.         _cc_e='-ppl -fe=$@'

  3558.         _cc_o='-fe=$@'

  3559.         _depflags='-ppa -ppd=$(@:.o=.d)'

  3560.         _cflags_speed='-O3 -mf=5'

  3561.         _cflags_size='-O3 -mf=2'

  3562.         _flags_filter=tms470_flags

  3563.     elif $_cc -v 2>&1 | grep -q clang; then

  3564.         _type=clang

  3565.         _ident=$($_cc --version | head -n1)

  3566.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3567.         _cflags_speed='-O3'

  3568.         _cflags_size='-Os'

  3569.     elif $_cc -V 2>&1 | grep -q Sun; then

  3570.         _type=suncc

  3571.         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)

  3572.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'

  3573.         _DEPFLAGS='-xM1 -xc99'

  3574.         _ldflags='-std=c99'

  3575.         _cflags_speed='-O5'

  3576.         _cflags_size='-O5 -xspace'

  3577.         _flags_filter=suncc_flags

  3578.     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then

  3579.         _type=pathscale

  3580.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  3581.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3582.         _cflags_speed='-O2'

  3583.         _cflags_size='-Os'

  3584.         _flags_filter='filter_out -Wdisabled-optimization'

  3585.     elif $_cc -v 2>&1 | grep -q Open64; then

  3586.         _type=open64

  3587.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  3588.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3589.         _cflags_speed='-O2'

  3590.         _cflags_size='-Os'

  3591.         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'

  3592.     elif $_cc -V 2>&1 | grep -q Portland; then

  3593.         _type=pgi

  3594.         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"

  3595.         opt_common='-alias=ansi -Mdse -Mlre -Mpre'

  3596.         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"

  3597.         _cflags_size="-O2 -Munroll=c:1 $opt_common"

  3598.         _cflags_noopt="-O"

  3599.         _flags_filter=pgi_flags

  3600.     elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then

  3601.         _type=armasm

  3602.         _ident=$($_cc | head -n1)

  3603.         # 4509: "This form of conditional instruction is deprecated"

  3604.         _flags="-nologo -ignore 4509"

  3605.         _flags_filter=armasm_flags

  3606.     elif $_cc 2>&1 | grep -q Intel; then

  3607.         _type=icl

  3608.         _ident=$($_cc 2>&1 | head -n1)

  3609.         _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'

  3610.         # Not only is O3 broken on 13.x+ but it is slower on all previous

  3611.         # versions (tested) as well.

  3612.         _cflags_speed="-O2"

  3613.         _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff

  3614.         if $_cc 2>&1 | grep -q Linker; then

  3615.             _ld_o='-out:$@'

  3616.         else

  3617.             _ld_o='-Fe$@'

  3618.         fi

  3619.         _cc_o='-Fo$@'

  3620.         _cc_e='-P'

  3621.         _flags_filter=icl_flags

  3622.         _ld_lib='lib%.a'

  3623.         _ld_path='-libpath:'

  3624.         # -Qdiag-error to make icl error when seeing certain unknown arguments

  3625.         _flags='-nologo -Qdiag-error:4044,10157'

  3626.         # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency

  3627.         # with MSVC which enables it by default.

  3628.         _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS -fp:precise'

  3629.         disable stripping

  3630.     elif $_cc 2>&1 | grep -q Microsoft; then

  3631.         _type=msvc

  3632.         _ident=$($_cc 2>&1 | head -n1)

  3633.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'

  3634.         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'

  3635.         _cflags_speed="-O2"

  3636.         _cflags_size="-O1"

  3637.         if $_cc 2>&1 | grep -q Linker; then

  3638.             _ld_o='-out:$@'

  3639.         else

  3640.             _ld_o='-Fe$@'

  3641.         fi

  3642.         _cc_o='-Fo$@'

  3643.         _cc_e='-P -Fi$@'

  3644.         _flags_filter=msvc_flags

  3645.         _ld_lib='lib%.a'

  3646.         _ld_path='-libpath:'

  3647.         _flags='-nologo'

  3648.         _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'

  3649.         disable stripping

  3650.     elif $_cc --version 2>/dev/null | grep -q ^cparser; then

  3651.         _type=cparser

  3652.         _ident=$($_cc --version | head -n1)

  3653.         _depflags='-MMD'

  3654.         _cflags_speed='-O4'

  3655.         _cflags_size='-O2'

  3656.         _flags_filter=cparser_flags

  3657.     fi

  3658. 

  3659.     eval ${pfx}_type=\$_type

  3660.     eval ${pfx}_ident=\$_ident

  3661. }

  3662. 

  3663. set_ccvars(){

  3664.     eval ${1}_C=\${_cc_c-\${${1}_C}}

  3665.     eval ${1}_E=\${_cc_e-\${${1}_E}}

  3666.     eval ${1}_O=\${_cc_o-\${${1}_O}}

  3667. 

  3668.     if [ -n "$_depflags" ]; then

  3669.         eval ${1}_DEPFLAGS=\$_depflags

  3670.     else

  3671.         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}

  3672.         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}

  3673.         eval DEP${1}FLAGS=\$_flags

  3674.     fi

  3675. }

  3676. 

  3677. probe_cc cc "$cc"

  3678. cflags_filter=$_flags_filter

  3679. cflags_speed=$_cflags_speed

  3680. cflags_size=$_cflags_size

  3681. cflags_noopt=$_cflags_noopt

  3682. add_cflags $_flags $_cflags

  3683. cc_ldflags=$_ldflags

  3684. set_ccvars CC

  3685. 

  3686. probe_cc hostcc "$host_cc"

  3687. host_cflags_filter=$_flags_filter

  3688. add_host_cflags  $_flags $_cflags

  3689. set_ccvars HOSTCC

  3690. 

  3691. test -n "$cc_type" && enable $cc_type ||

  3692.     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"

  3693. 

  3694. : ${as_default:=$cc}

  3695. : ${dep_cc_default:=$cc}

  3696. : ${ld_default:=$cc}

  3697. : ${host_ld_default:=$host_cc}

  3698. set_default ar as dep_cc ld host_ld windres

  3699. 

  3700. probe_cc as "$as"

  3701. asflags_filter=$_flags_filter

  3702. add_asflags $_flags $_cflags

  3703. set_ccvars AS

  3704. 

  3705. probe_cc ld "$ld"

  3706. ldflags_filter=$_flags_filter

  3707. add_ldflags $_flags $_ldflags

  3708. test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags

  3709. LD_O=${_ld_o-$LD_O}

  3710. LD_LIB=${_ld_lib-$LD_LIB}

  3711. LD_PATH=${_ld_path-$LD_PATH}

  3712. 

  3713. probe_cc hostld "$host_ld"

  3714. host_ldflags_filter=$_flags_filter

  3715. add_host_ldflags $_flags $_ldflags

  3716. HOSTLD_O=${_ld_o-$HOSTLD_O}

  3717. 

  3718. if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then

  3719.     probe_cc depcc "$dep_cc"

  3720.     CCDEP=${_DEPCMD:-$DEPCMD}

  3721.     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}

  3722.     DEPCCFLAGS=$_flags

  3723. fi

  3724. 

  3725. if $ar 2>&1 | grep -q Microsoft; then

  3726.     arflags="-nologo"

  3727.     ar_o='-out:$@'

  3728. elif $ar 2>&1 | grep -q 'Texas Instruments'; then

  3729.     arflags="rq"

  3730.     ar_o='$@'

  3731. elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then

  3732.     arflags='-Xany -r -c'

  3733.     ar_o='$@'

  3734. elif $ar 2>&1 | grep -q "\[D\] "; then

  3735.     arflags="rcD"

  3736.     ar_o='$@'

  3737. else

  3738.     arflags="rc"

  3739.     ar_o='$@'

  3740. fi

  3741. 

  3742. add_cflags $extra_cflags

  3743. add_cxxflags $extra_cxxflags

  3744. add_asflags $extra_cflags

  3745. 

  3746. if test -n "$sysroot"; then

  3747.     case "$cc_type" in

  3748.         gcc|llvm_gcc|clang)

  3749.             add_cppflags --sysroot="$sysroot"

  3750.             add_ldflags --sysroot="$sysroot"

  3751. # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking

  3752.             add_cppflags -isysroot "$sysroot"

  3753.             add_ldflags -isysroot "$sysroot"

  3754.         ;;

  3755.         tms470)

  3756.             add_cppflags -I"$sysinclude"

  3757.             add_ldflags  --sysroot="$sysroot"

  3758.         ;;

  3759.     esac

  3760. fi

  3761. 

  3762. if test "$cpu" = host; then

  3763.     enabled cross_compile &&

  3764.         die "--cpu=host makes no sense when cross-compiling."

  3765. 

  3766.     case "$cc_type" in

  3767.         gcc|llvm_gcc)

  3768.             check_native(){

  3769.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  3770.                 sed -n "/cc1.*$1=/{

  3771.                             s/.*$1=\\([^ ]*\\).*/\\1/

  3772.                             p

  3773.                             q

  3774.                         }" $TMPE

  3775.             }

  3776.             cpu=$(check_native -march || check_native -mcpu)

  3777.         ;;

  3778.     esac

  3779. 

  3780.     test "${cpu:-host}" = host &&

  3781.         die "--cpu=host not supported with compiler $cc"

  3782. fi

  3783. 

  3784. # Deal with common $arch aliases

  3785. case "$arch" in

  3786.     aarch64|arm64)

  3787.         arch="aarch64"

  3788.     ;;

  3789.     arm*|iPad*|iPhone*)

  3790.         arch="arm"

  3791.     ;;

  3792.     mips*|IP*)

  3793.         arch="mips"

  3794.     ;;

  3795.     parisc*|hppa*)

  3796.         arch="parisc"

  3797.     ;;

  3798.     "Power Macintosh"|ppc*|powerpc*)

  3799.         arch="ppc"

  3800.     ;;

  3801.     s390|s390x)

  3802.         arch="s390"

  3803.     ;;

  3804.     sh4|sh)

  3805.         arch="sh4"

  3806.     ;;

  3807.     sun4u|sparc*)

  3808.         arch="sparc"

  3809.     ;;

  3810.     tilegx|tile-gx)

  3811.         arch="tilegx"

  3812.     ;;

  3813.     i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)

  3814.         arch="x86"

  3815.     ;;

  3816. esac

  3817. 

  3818. is_in $arch $ARCH_LIST || warn "unknown architecture $arch"

  3819. enable $arch

  3820. 

  3821. # Add processor-specific flags

  3822. if enabled aarch64; then

  3823. 

  3824.     case $cpu in

  3825.         armv*)

  3826.             cpuflags="-march=$cpu"

  3827.         ;;

  3828.         *)

  3829.             cpuflags="-mcpu=$cpu"

  3830.         ;;

  3831.     esac

  3832. 

  3833. elif enabled alpha; then

  3834. 

  3835.     cpuflags="-mcpu=$cpu"

  3836. 

  3837. elif enabled arm; then

  3838. 

  3839.     check_arm_arch() {

  3840.         check_cpp_condition stddef.h \

  3841.             "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \

  3842.             $cpuflags

  3843.     }

  3844. 

  3845.     probe_arm_arch() {

  3846.         if   check_arm_arch 4;        then echo armv4;

  3847.         elif check_arm_arch 4T;       then echo armv4t;

  3848.         elif check_arm_arch 5;        then echo armv5;

  3849.         elif check_arm_arch 5E;       then echo armv5e;

  3850.         elif check_arm_arch 5T;       then echo armv5t;

  3851.         elif check_arm_arch 5TE;      then echo armv5te;

  3852.         elif check_arm_arch 5TEJ;     then echo armv5te;

  3853.         elif check_arm_arch 6;        then echo armv6;

  3854.         elif check_arm_arch 6J;       then echo armv6j;

  3855.         elif check_arm_arch 6K;       then echo armv6k;

  3856.         elif check_arm_arch 6Z;       then echo armv6z;

  3857.         elif check_arm_arch 6ZK;      then echo armv6zk;

  3858.         elif check_arm_arch 6T2;      then echo armv6t2;

  3859.         elif check_arm_arch 7;        then echo armv7;

  3860.         elif check_arm_arch 7A  7_A;  then echo armv7-a;

  3861.         elif check_arm_arch 7S;       then echo armv7-a;

  3862.         elif check_arm_arch 7R  7_R;  then echo armv7-r;

  3863.         elif check_arm_arch 7M  7_M;  then echo armv7-m;

  3864.         elif check_arm_arch 7EM 7E_M; then echo armv7-m;

  3865.         elif check_arm_arch 8A  8_A;  then echo armv8-a;

  3866.         fi

  3867.     }

  3868. 

  3869.     [ "$cpu" = generic ] && cpu=$(probe_arm_arch)

  3870. 

  3871.     case $cpu in

  3872.         armv*)

  3873.             cpuflags="-march=$cpu"

  3874.             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')

  3875.         ;;

  3876.         *)

  3877.             cpuflags="-mcpu=$cpu"

  3878.             case $cpu in

  3879.                 cortex-a*)                               subarch=armv7a  ;;

  3880.                 cortex-r*)                               subarch=armv7r  ;;

  3881.                 cortex-m*)                 enable thumb; subarch=armv7m  ;;

  3882.                 arm11*)                                  subarch=armv6   ;;

  3883.                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;

  3884.                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;

  3885.                 *)                             subarch=$(probe_arm_arch) ;;

  3886.             esac

  3887.         ;;

  3888.     esac

  3889. 

  3890.     case "$subarch" in

  3891.         armv5t*)    enable fast_clz                ;;

  3892.         armv[6-8]*)

  3893.             enable fast_clz

  3894.             disabled fast_unaligned || enable fast_unaligned

  3895.             ;;

  3896.     esac

  3897. 

  3898. elif enabled avr32; then

  3899. 

  3900.     case $cpu in

  3901.         ap7[02]0[0-2])

  3902.             subarch="avr32_ap"

  3903.             cpuflags="-mpart=$cpu"

  3904.         ;;

  3905.         ap)

  3906.             subarch="avr32_ap"

  3907.             cpuflags="-march=$cpu"

  3908.         ;;

  3909.         uc3[ab]*)

  3910.             subarch="avr32_uc"

  3911.             cpuflags="-mcpu=$cpu"

  3912.         ;;

  3913.         uc)

  3914.             subarch="avr32_uc"

  3915.             cpuflags="-march=$cpu"

  3916.         ;;

  3917.     esac

  3918. 

  3919. elif enabled bfin; then

  3920. 

  3921.     cpuflags="-mcpu=$cpu"

  3922. 

  3923. elif enabled mips; then

  3924. 

  3925.     cpuflags="-march=$cpu"

  3926. 

  3927.     case $cpu in

  3928.         24kc)

  3929.             disable mips32r5

  3930.             disable mips64r6

  3931.             disable mipsfpu

  3932.             disable mipsdspr1

  3933.             disable mipsdspr2

  3934.             disable msa

  3935.         ;;

  3936.         24kf*)

  3937.             disable mips32r5

  3938.             disable mips64r6

  3939.             disable mipsdspr1

  3940.             disable mipsdspr2

  3941.             disable msa

  3942.         ;;

  3943.         24kec|34kc|1004kc)

  3944.             disable mips32r5

  3945.             disable mips64r6

  3946.             disable mipsfpu

  3947.             disable mipsdspr2

  3948.             disable msa

  3949.         ;;

  3950.         24kef*|34kf*|1004kf*)

  3951.             disable mips32r5

  3952.             disable mips64r6

  3953.             disable mipsdspr2

  3954.             disable msa

  3955.         ;;

  3956.         74kc)

  3957.             disable mips32r5

  3958.             disable mips64r6

  3959.             disable mipsfpu

  3960.             disable msa

  3961.         ;;

  3962.         74kf)

  3963.             disable mips32r5

  3964.             disable mips64r6

  3965.             disable msa

  3966.         ;;

  3967.         p5600)

  3968.             disable mips64r6

  3969.             disable mipsdspr1

  3970.             disable mipsdspr2

  3971. 

  3972.             check_cflags "-mtune=p5600"

  3973.         ;;

  3974.         i6400)

  3975.             disable mips32r5

  3976.             disable mipsdspr1

  3977.             disable mipsdspr2

  3978.             disable mipsfpu

  3979. 

  3980.             check_cflags "-mtune=i6400 -mabi=64"

  3981.             check_ldflags "-mabi=64"

  3982.         ;;

  3983.         loongson*)

  3984.             disable mipsfpu

  3985.             disable mips32r2

  3986.             disable mips32r5

  3987.             disable mips64r6

  3988.             disable mipsdspr1

  3989.             disable mipsdspr2

  3990.             disable msa

  3991.             enable local_aligned_8 local_aligned_16 local_aligned_32

  3992.             enable simd_align_16

  3993.             enable fast_64bit

  3994.             enable fast_clz

  3995.             enable fast_cmov

  3996.             enable fast_unaligned

  3997.             disable aligned_stack

  3998.             case $cpu in

  3999.                 loongson3*)

  4000.                     cpuflags="-march=loongson3a -mhard-float"

  4001.                 ;;

  4002.                 loongson2e)

  4003.                     cpuflags="-march=loongson2e -mhard-float"

  4004.                 ;;

  4005.                 loongson2f)

  4006.                     cpuflags="-march=loongson2f -mhard-float"

  4007.                 ;;

  4008.             esac

  4009.         ;;

  4010.         generic)

  4011.             disable mips32r5

  4012.             disable mips64r6

  4013.             disable msa

  4014.         ;;

  4015.     esac

  4016. 

  4017. elif enabled ppc; then

  4018. 

  4019.     disable ldbrx

  4020. 

  4021.     case $(tolower $cpu) in

  4022.         601|ppc601|powerpc601)

  4023.             cpuflags="-mcpu=601"

  4024.             disable altivec

  4025.         ;;

  4026.         603*|ppc603*|powerpc603*)

  4027.             cpuflags="-mcpu=603"

  4028.             disable altivec

  4029.         ;;

  4030.         604*|ppc604*|powerpc604*)

  4031.             cpuflags="-mcpu=604"

  4032.             disable altivec

  4033.         ;;

  4034.         g3|75*|ppc75*|powerpc75*)

  4035.             cpuflags="-mcpu=750"

  4036.             disable altivec

  4037.         ;;

  4038.         g4|745*|ppc745*|powerpc745*)

  4039.             cpuflags="-mcpu=7450"

  4040.             disable vsx

  4041.         ;;

  4042.         74*|ppc74*|powerpc74*)

  4043.             cpuflags="-mcpu=7400"

  4044.             disable vsx

  4045.         ;;

  4046.         g5|970|ppc970|powerpc970)

  4047.             cpuflags="-mcpu=970"

  4048.             disable vsx

  4049.         ;;

  4050.         power[3-6]*)

  4051.             cpuflags="-mcpu=$cpu"

  4052.             disable vsx

  4053.         ;;

  4054.         power[7-8]*)

  4055.             cpuflags="-mcpu=$cpu"

  4056.         ;;

  4057.         cell)

  4058.             cpuflags="-mcpu=cell"

  4059.             enable ldbrx

  4060.             disable vsx

  4061.         ;;

  4062.         e500mc)

  4063.             cpuflags="-mcpu=e500mc"

  4064.             disable altivec

  4065.         ;;

  4066.         e500v2)

  4067.             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"

  4068.             disable altivec

  4069.             disable dcbzl

  4070.         ;;

  4071.         e500)

  4072.             cpuflags="-mcpu=8540 -mhard-float"

  4073.             disable altivec

  4074.             disable dcbzl

  4075.         ;;

  4076.     esac

  4077. 

  4078. elif enabled sparc; then

  4079. 

  4080.     case $cpu in

  4081.         cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])

  4082.             cpuflags="-mcpu=$cpu"

  4083.         ;;

  4084.         ultrasparc*|niagara[234])

  4085.             cpuflags="-mcpu=$cpu"

  4086.         ;;

  4087.     esac

  4088. 

  4089. elif enabled x86; then

  4090. 

  4091.     case $cpu in

  4092.         i[345]86|pentium)

  4093.             cpuflags="-march=$cpu"

  4094.             disable i686

  4095.             disable mmx

  4096.         ;;

  4097.         # targets that do NOT support nopl and conditional mov (cmov)

  4098.         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)

  4099.             cpuflags="-march=$cpu"

  4100.             disable i686

  4101.         ;;

  4102.         # targets that do support nopl and conditional mov (cmov)

  4103.         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\

  4104.         |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)

  4105.             cpuflags="-march=$cpu"

  4106.             enable i686

  4107.             enable fast_cmov

  4108.         ;;

  4109.         # targets that do support conditional mov but on which it's slow

  4110.         pentium4|pentium4m|prescott|nocona)

  4111.             cpuflags="-march=$cpu"

  4112.             enable i686

  4113.             disable fast_cmov

  4114.         ;;

  4115.     esac

  4116. 

  4117. fi

  4118. 

  4119. if [ "$cpu" != generic ]; then

  4120.     add_cflags  $cpuflags

  4121.     add_asflags $cpuflags

  4122. fi

  4123. 

  4124. # compiler sanity check

  4125. check_exec <<EOF

  4126. int main(void){ return 0; }

  4127. EOF

  4128. if test "$?" != 0; then

  4129.     echo "$cc is unable to create an executable file."

  4130.     if test -z "$cross_prefix" && ! enabled cross_compile ; then

  4131.         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."

  4132.         echo "Only do this if you know what cross compiling means."

  4133.     fi

  4134.     die "C compiler test failed."

  4135. fi

  4136. 

  4137. add_cppflags -D_ISOC99_SOURCE

  4138. add_cxxflags -D__STDC_CONSTANT_MACROS

  4139. check_cflags -std=c99

  4140. check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64

  4141. #include <stdlib.h>

  4142. EOF

  4143. check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE

  4144. #include <stdlib.h>

  4145. EOF

  4146. 

  4147. add_host_cppflags -D_ISOC99_SOURCE

  4148. check_host_cflags -std=c99

  4149. check_host_cflags -Wall

  4150. check_host_cflags -O3

  4151. 

  4152. check_64bit(){

  4153.     arch32=$1

  4154.     arch64=$2

  4155.     expr=$3

  4156.     check_code cc "" "int test[2*($expr) - 1]" &&

  4157.         subarch=$arch64 || subarch=$arch32

  4158. }

  4159. 

  4160. case "$arch" in

  4161.     aarch64|alpha|ia64)

  4162.         spic=$shared

  4163.     ;;

  4164.     mips)

  4165.         check_64bit mips mips64 '_MIPS_SIM > 1'

  4166.         spic=$shared

  4167.     ;;

  4168.     parisc)

  4169.         check_64bit parisc parisc64 'sizeof(void *) > 4'

  4170.         spic=$shared

  4171.     ;;

  4172.     ppc)

  4173.         check_64bit ppc ppc64 'sizeof(void *) > 4'

  4174.         spic=$shared

  4175.     ;;

  4176.     s390)

  4177.         check_64bit s390 s390x 'sizeof(void *) > 4'

  4178.         spic=$shared

  4179.     ;;

  4180.     sparc)

  4181.         check_64bit sparc sparc64 'sizeof(void *) > 4'

  4182.         spic=$shared

  4183.     ;;

  4184.     x86)

  4185.         check_64bit x86_32 x86_64 'sizeof(void *) > 4'

  4186.         # Treat x32 as x64 for now. Note it also needs spic=$shared

  4187.         test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&

  4188.             subarch=x86_64

  4189.         if test "$subarch" = "x86_64"; then

  4190.             spic=$shared

  4191.         fi

  4192.     ;;

  4193.     ppc)

  4194.         check_cc <<EOF && subarch="ppc64"

  4195.         int test[(int)sizeof(char*) - 7];

  4196. EOF

  4197.     ;;

  4198. esac

  4199. 

  4200. enable $subarch

  4201. enabled spic && enable_weak pic

  4202. 

  4203. # OS specific

  4204. case $target_os in

  4205.     aix)

  4206.         SHFLAGS=-shared

  4207.         add_cppflags '-I\$(SRC_PATH)/compat/aix'

  4208.         enabled shared && add_ldflags -Wl,-brtl

  4209.         ;;

  4210.     android)

  4211.         disable symver

  4212.         enable section_data_rel_ro

  4213.         SLIB_INSTALL_NAME='$(SLIBNAME)'

  4214.         SLIB_INSTALL_LINKS=

  4215.         # soname not set on purpose

  4216.         SHFLAGS=-shared

  4217.         ;;

  4218.     haiku)

  4219.         prefix_default="/boot/common"

  4220.         network_extralibs="-lnetwork"

  4221.         host_libs=

  4222.         ;;

  4223.     sunos)

  4224.         SHFLAGS='-shared -Wl,-h,$$(@F)'

  4225.         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"

  4226.         network_extralibs="-lsocket -lnsl"

  4227.         add_cppflags -D__EXTENSIONS__

  4228.         # When using suncc to build, the Solaris linker will mark

  4229.         # an executable with each instruction set encountered by

  4230.         # the Solaris assembler.  As our libraries contain their own

  4231.         # guards for processor-specific code, instead suppress

  4232.         # generation of the HWCAPS ELF section on Solaris x86 only.

  4233.         enabled_all suncc x86 &&

  4234.             echo "hwcap_1 = OVERRIDE;" > mapfile &&

  4235.             add_ldflags -Wl,-M,mapfile

  4236.         nm_default='nm -P -g'

  4237.         ;;

  4238.     netbsd)

  4239.         disable symver

  4240.         oss_indev_extralibs="-lossaudio"

  4241.         oss_outdev_extralibs="-lossaudio"

  4242.         enabled gcc || check_ldflags -Wl,-zmuldefs

  4243.         ;;

  4244.     openbsd|bitrig)

  4245.         disable symver

  4246.         SHFLAGS='-shared'

  4247.         SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'

  4248.         SLIB_INSTALL_LINKS=

  4249.         oss_indev_extralibs="-lossaudio"

  4250.         oss_outdev_extralibs="-lossaudio"

  4251.         ;;

  4252.     dragonfly)

  4253.         disable symver

  4254.         ;;

  4255.     freebsd)

  4256.         ;;

  4257.     bsd/os)

  4258.         add_extralibs -lpoll -lgnugetopt

  4259.         strip="strip -d"

  4260.         ;;

  4261.     darwin)

  4262.         enabled ppc && add_asflags -force_cpusubtype_ALL

  4263.         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'

  4264.         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress

  4265.         strip="${strip} -x"

  4266.         add_ldflags -Wl,-dynamic,-search_paths_first

  4267.         SLIBSUF=".dylib"

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

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

  4270.         objformat="macho"

  4271.         enabled x86_64 && objformat="macho64"

  4272.         enabled_any pic shared x86_64 ||

  4273.             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }

  4274.         ;;

  4275.     mingw32*)

  4276.         if test $target_os = "mingw32ce"; then

  4277.             disable network

  4278.         else

  4279.             target_os=mingw32

  4280.         fi

  4281.         LIBTARGET=i386

  4282.         if enabled x86_64; then

  4283.             LIBTARGET="i386:x86-64"

  4284.         elif enabled arm; then

  4285.             LIBTARGET=arm-wince

  4286.         fi

  4287.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4288.         check_ldflags -Wl,--nxcompat

  4289.         check_ldflags -Wl,--dynamicbase

  4290.         enabled x86_32 && check_ldflags -Wl,--large-address-aware

  4291.         shlibdir_default="$bindir_default"

  4292.         SLIBPREF=""

  4293.         SLIBSUF=".dll"

  4294.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4295.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4296.         dlltool="${cross_prefix}dlltool"

  4297.         if check_cmd lib.exe -list; then

  4298.             SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4299.             if enabled x86_64; then

  4300.                 LIBTARGET=x64

  4301.             fi

  4302.         elif check_cmd $dlltool --version; then

  4303.             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)'

  4304.         fi

  4305.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4306.         SLIB_INSTALL_LINKS=

  4307.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4308.         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4309.         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'

  4310.         objformat="win32"

  4311.         ranlib=:

  4312.         enable dos_paths

  4313.         ;;

  4314.     win32|win64)

  4315.         disable symver

  4316.         if enabled shared; then

  4317.             # Link to the import library instead of the normal static library

  4318.             # for shared libs.

  4319.             LD_LIB='%.lib'

  4320.             # Cannot build both shared and static libs with MSVC or icl.

  4321.             disable static

  4322.         fi

  4323.         enabled x86_32 && check_ldflags -LARGEADDRESSAWARE

  4324.         shlibdir_default="$bindir_default"

  4325.         SLIBPREF=""

  4326.         SLIBSUF=".dll"

  4327.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4328.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4329.         SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'

  4330.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4331.         SLIB_INSTALL_LINKS=

  4332.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4333.         SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4334.         SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4335.         objformat="win32"

  4336.         ranlib=:

  4337.         enable dos_paths

  4338.         ;;

  4339.     cygwin*)

  4340.         target_os=cygwin

  4341.         shlibdir_default="$bindir_default"

  4342.         SLIBPREF="cyg"

  4343.         SLIBSUF=".dll"

  4344.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4345.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4346.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4347.         SLIB_INSTALL_LINKS=

  4348.         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'

  4349.         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'

  4350.         objformat="win32"

  4351.         enable dos_paths

  4352.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4353.         ;;

  4354.     *-dos|freedos|opendos)

  4355.         network_extralibs="-lsocket"

  4356.         objformat="coff"

  4357.         enable dos_paths

  4358.         add_cppflags -U__STRICT_ANSI__

  4359.         ;;

  4360.     linux)

  4361.         enable dv1394

  4362.         enable section_data_rel_ro

  4363.         ;;

  4364.     irix*)

  4365.         target_os=irix

  4366.         ranlib="echo ignoring ranlib"

  4367.         ;;

  4368.     os/2*)

  4369.         strip="lxlite -CS"

  4370.         ln_s="cp -f"

  4371.         objformat="aout"

  4372.         add_cppflags -D_GNU_SOURCE

  4373.         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap

  4374.         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'

  4375.         LIBSUF="_s.a"

  4376.         SLIBPREF=""

  4377.         SLIBSUF=".dll"

  4378.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'

  4379.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'

  4380.         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \

  4381.             echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \

  4382.             echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \

  4383.             echo EXPORTS >> $(SUBDIR)$(NAME).def; \

  4384.             emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'

  4385.         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \

  4386.             emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'

  4387.         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'

  4388.         enable dos_paths

  4389.         enable_weak os2threads

  4390.         ;;

  4391.     gnu/kfreebsd)

  4392.         add_cppflags -D_BSD_SOURCE

  4393.         ;;

  4394.     gnu)

  4395.         ;;

  4396.     qnx)

  4397.         add_cppflags -D_QNX_SOURCE

  4398.         network_extralibs="-lsocket"

  4399.         ;;

  4400.     symbian)

  4401.         SLIBSUF=".dll"

  4402.         enable dos_paths

  4403.         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default

  4404.         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS

  4405.         add_ldflags -Wl,--target1-abs,--no-undefined \

  4406.                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \

  4407.                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup

  4408.         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \

  4409.                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \

  4410.                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib

  4411.         ;;

  4412.     osf1)

  4413.         add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT

  4414.         ;;

  4415.     minix)

  4416.         ;;

  4417.     plan9)

  4418.         add_cppflags -D_C99_SNPRINTF_EXTENSION  \

  4419.                      -D_REENTRANT_SOURCE        \

  4420.                      -D_RESEARCH_SOURCE         \

  4421.                      -DFD_SETSIZE=96            \

  4422.                      -DHAVE_SOCK_OPTS

  4423.         add_compat strtod.o strtod=avpriv_strtod

  4424.         network_extralibs='-lbsd'

  4425.         exeobjs=compat/plan9/main.o

  4426.         disable ffserver

  4427.         cp_f='cp'

  4428.         ;;

  4429.     none)

  4430.         ;;

  4431.     *)

  4432.         die "Unknown OS '$target_os'."

  4433.         ;;

  4434. esac

  4435. 

  4436. # determine libc flavour

  4437. 

  4438. probe_libc(){

  4439.     pfx=$1

  4440.     pfx_no_=${pfx%_}

  4441.     # uclibc defines __GLIBC__, so it needs to be checked before glibc.

  4442.     if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then

  4443.         eval ${pfx}libc_type=uclibc

  4444.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4445.     elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then

  4446.         eval ${pfx}libc_type=glibc

  4447.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4448.     # MinGW headers can be installed on Cygwin, so check for newlib first.

  4449.     elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then

  4450.         eval ${pfx}libc_type=newlib

  4451.         add_${pfx}cppflags -U__STRICT_ANSI__

  4452.     # MinGW64 is backwards compatible with MinGW32, so check for it first.

  4453.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then

  4454.         eval ${pfx}libc_type=mingw64

  4455.         if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then

  4456.             add_compat msvcrt/snprintf.o

  4457.             add_cflags "-include $source_path/compat/msvcrt/snprintf.h"

  4458.         fi

  4459.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4460.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4461.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4462.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION"  ||

  4463.          check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then

  4464.         eval ${pfx}libc_type=mingw32

  4465.         check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \

  4466.             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||

  4467.             die "ERROR: MinGW32 runtime version must be >= 3.15."

  4468.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4469.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4470.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4471.     elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then

  4472.         eval ${pfx}libc_type=msvcrt

  4473.         if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then

  4474.             if [ "$pfx" = host_ ]; then

  4475.                 add_host_cppflags -Dsnprintf=_snprintf

  4476.             else

  4477.                 add_compat strtod.o strtod=avpriv_strtod

  4478.                 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf   \

  4479.                                              _snprintf=avpriv_snprintf  \

  4480.                                              vsnprintf=avpriv_vsnprintf

  4481.             fi

  4482.         fi

  4483.         # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to

  4484.         # 0x601 by default unless something else is set by the user.

  4485.         # This can easily lead to us detecting functions only present

  4486.         # in such new versions and producing binaries requiring windows 7.0.

  4487.         # Therefore explicitly set the default to XP unless the user has

  4488.         # set something else on the command line.

  4489.         check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||

  4490.             add_${pfx}cppflags -D_WIN32_WINNT=0x0502

  4491.     elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then

  4492.         eval ${pfx}libc_type=klibc

  4493.     elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then

  4494.         eval ${pfx}libc_type=bionic

  4495.     elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then

  4496.         eval ${pfx}libc_type=solaris

  4497.         add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600

  4498.     fi

  4499.     check_${pfx}cc <<EOF

  4500. #include <time.h>

  4501. void *v = localtime_r;

  4502. EOF

  4503. 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

  4504. #include <time.h>

  4505. void *v = localtime_r;

  4506. EOF

  4507. 

  4508. }

  4509. 

  4510. probe_libc

  4511. test -n "$libc_type" && enable libc_$libc_type

  4512. probe_libc host_

  4513. test -n "$host_libc_type" && enable host_libc_$host_libc_type

  4514. 

  4515. case $libc_type in

  4516.     bionic)

  4517.         add_compat strtod.o strtod=avpriv_strtod

  4518.         ;;

  4519. esac

  4520. 

  4521. # hacks for compiler/libc/os combinations

  4522. 

  4523. if enabled_all tms470 libc_glibc; then

  4524.     CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"

  4525.     add_cppflags -D__USER_LABEL_PREFIX__=

  4526.     add_cppflags -D__builtin_memset=memset

  4527.     add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED

  4528.     add_cflags   -pds=48    # incompatible redefinition of macro

  4529. fi

  4530. 

  4531. if enabled_all ccc libc_glibc; then

  4532.     add_ldflags -Wl,-z,now  # calls to libots crash without this

  4533. fi

  4534. 

  4535. check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||

  4536.     add_cppflags '-I\$(SRC_PATH)/compat/float'

  4537. 

  4538. esc(){

  4539.     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'

  4540. }

  4541. 

  4542. echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate

  4543. 

  4544. check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic

  4545. 

  4546. set_default libdir

  4547. : ${shlibdir_default:="$libdir"}

  4548. : ${pkgconfigdir_default:="$libdir/pkgconfig"}

  4549. 

  4550. set_default $PATHS_LIST

  4551. set_default nm

  4552. 

  4553. # we need to build at least one lib type

  4554. if ! enabled_any static shared; then

  4555.     cat <<EOF

  4556. At least one library type must be built.

  4557. Specify --enable-static to build the static libraries or --enable-shared to

  4558. build the shared libraries as well. To only build the shared libraries specify

  4559. --disable-static in addition to --enable-shared.

  4560. EOF

  4561.     exit 1;

  4562. fi

  4563. 

  4564. die_license_disabled() {

  4565.     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }

  4566. }

  4567. 

  4568. die_license_disabled_gpl() {

  4569.     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }

  4570. }

  4571. 

  4572. die_license_disabled gpl frei0r

  4573. die_license_disabled gpl libcdio

  4574. die_license_disabled gpl libsmbclient

  4575. die_license_disabled gpl libutvideo

  4576. die_license_disabled gpl libvidstab

  4577. die_license_disabled gpl libx264

  4578. die_license_disabled gpl libx265

  4579. die_license_disabled gpl libxavs

  4580. die_license_disabled gpl libxvid

  4581. die_license_disabled gpl libzvbi

  4582. die_license_disabled gpl x11grab

  4583. 

  4584. die_license_disabled nonfree libaacplus

  4585. die_license_disabled nonfree libfaac

  4586. die_license_disabled nonfree nvenc

  4587. enabled gpl && die_license_disabled_gpl nonfree libfdk_aac

  4588. enabled gpl && die_license_disabled_gpl nonfree openssl

  4589. 

  4590. die_license_disabled version3 libopencore_amrnb

  4591. die_license_disabled version3 libopencore_amrwb

  4592. die_license_disabled version3 libsmbclient

  4593. die_license_disabled version3 libvo_aacenc

  4594. die_license_disabled version3 libvo_amrwbenc

  4595. 

  4596. enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }

  4597. 

  4598. disabled optimizations || check_cflags -fomit-frame-pointer

  4599. 

  4600. enable_weak_pic() {

  4601.     disabled pic && return

  4602.     enable pic

  4603.     add_cppflags -DPIC

  4604.     case "$target_os" in

  4605.     mingw*|cygwin*)

  4606.         ;;

  4607.     *)

  4608.         add_cflags -fPIC

  4609.         ;;

  4610.     esac

  4611.     add_asflags  -fPIC

  4612. }

  4613. 

  4614. enabled pic && enable_weak_pic

  4615. 

  4616. check_cc <<EOF || die "Symbol mangling check failed."

  4617. int ff_extern;

  4618. EOF

  4619. sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')

  4620. extern_prefix=${sym%%ff_extern*}

  4621. 

  4622. check_cc <<EOF && enable_weak inline_asm

  4623. void foo(void) { __asm__ volatile ("" ::); }

  4624. EOF

  4625. 

  4626. _restrict=

  4627. for restrict_keyword in restrict __restrict__ __restrict; do

  4628.     check_cc <<EOF && _restrict=$restrict_keyword && break

  4629. void foo(char * $restrict_keyword p);

  4630. EOF

  4631. done

  4632. 

  4633. check_cc <<EOF && enable pragma_deprecated

  4634. void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }

  4635. EOF

  4636. 

  4637. check_cc <<EOF && enable attribute_packed

  4638. struct { int x; } __attribute__((packed)) x;

  4639. EOF

  4640. 

  4641. check_cc <<EOF && enable attribute_may_alias

  4642. union { int x; } __attribute__((may_alias)) x;

  4643. EOF

  4644. 

  4645. check_cc <<EOF || die "endian test failed"

  4646. unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';

  4647. EOF

  4648. od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian

  4649. 

  4650. if ! enabled ppc64 || enabled bigendian; then

  4651.     disable vsx

  4652. fi

  4653. 

  4654. check_gas() {

  4655.     log "check_gas using '$as' as AS"

  4656.     # :vararg is used on aarch64, arm and ppc altivec

  4657.     check_as <<EOF || return 1

  4658. .macro m n, y:vararg=0

  4659. \n: .int \y

  4660. .endm

  4661. m x

  4662. EOF

  4663.     # .altmacro is only used in arm asm

  4664.     ! enabled arm || check_as <<EOF || return 1

  4665. .altmacro

  4666. EOF

  4667.     enable gnu_as

  4668.     return 0

  4669. }

  4670. 

  4671. if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then

  4672.     nogas=:

  4673.     enabled_any arm aarch64 && nogas=die

  4674.     enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn

  4675.     as_noop=-v

  4676. 

  4677.     case $as_type in

  4678.         arm*) gaspp_as_type=armasm; as_noop=-h ;;

  4679.         gcc)  gaspp_as_type=gas ;;

  4680.         *)    gaspp_as_type=$as_type ;;

  4681.     esac

  4682. 

  4683.     [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"

  4684. 

  4685.     test "${as#*gas-preprocessor.pl}" != "$as" ||

  4686.     check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&

  4687.         gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"

  4688. 

  4689.     if ! check_gas ; then

  4690.         as=${gas:=$as}

  4691.         check_gas || \

  4692.             $nogas "GNU assembler not found, install/update gas-preprocessor"

  4693.     fi

  4694. 

  4695.     check_as <<EOF && enable as_func

  4696. .func test

  4697. .endfunc

  4698. EOF

  4699. fi

  4700. 

  4701. check_inline_asm inline_asm_labels '"1:\n"'

  4702. 

  4703. check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'

  4704. 

  4705. if enabled aarch64; then

  4706.     enabled armv8 && check_insn armv8 'prfm   pldl1strm, [x0]'

  4707.     # internal assembler in clang 3.3 does not support this instruction

  4708.     enabled neon && check_insn neon 'ext   v0.8B, v0.8B, v1.8B, #1'

  4709.     enabled vfp  && check_insn vfp  'fmadd d0,    d0,    d1,    d2'

  4710. 

  4711.     map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM

  4712. 

  4713. elif enabled alpha; then

  4714. 

  4715.     check_cflags -mieee

  4716. 

  4717. elif enabled arm; then

  4718. 

  4719.     check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb

  4720. float func(float a, float b){ return a+b; }

  4721. EOF

  4722. 

  4723.     enabled thumb && check_cflags -mthumb || check_cflags -marm

  4724. 

  4725.     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then

  4726.         enable vfp_args

  4727.     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then

  4728.         case "${cross_prefix:-$cc}" in

  4729.             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;

  4730.             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;

  4731. __asm__ (".eabi_attribute 28, 1");

  4732. int main(void) { return 0; }

  4733. EOF

  4734.         esac

  4735.         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."

  4736.     fi

  4737. 

  4738.     enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'

  4739.     enabled armv6   && check_insn armv6   'sadd16 r0, r0, r0'

  4740.     enabled armv6t2 && check_insn armv6t2 'movt r0, #0'

  4741.     enabled neon    && check_insn neon    'vadd.i16 q0, q0, q0'

  4742.     enabled vfp     && check_insn vfp     'fadds s0, s0, s0'

  4743.     enabled vfpv3   && check_insn vfpv3   'vmov.f32 s0, #1.0'

  4744.     enabled setend  && check_insn setend  'setend be'

  4745. 

  4746.     [ $target_os = linux ] || [ $target_os = android ] ||

  4747.         map 'enabled_any ${v}_external ${v}_inline || disable $v' \

  4748.             $ARCH_EXT_LIST_ARM

  4749. 

  4750.     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'

  4751. 

  4752.     check_as <<EOF && enable as_dn_directive

  4753. ra .dn d0.i16

  4754. .unreq ra

  4755. EOF

  4756. 

  4757.     # llvm's integrated assembler supports .object_arch from llvm 3.5

  4758.     [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch

  4759. .object_arch armv4

  4760. EOF

  4761. 

  4762.     [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic

  4763. 

  4764. elif enabled mips; then

  4765. 

  4766.     enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'

  4767.     enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'

  4768.     enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'

  4769. 

  4770.     # Enable minimum ISA based on selected options

  4771.     if enabled mips64 && (enabled mipsdspr1 || enabled mipsdspr2); then

  4772.         add_cflags "-mips64r2"

  4773.         add_asflags "-mips64r2"

  4774.     elif enabled mips64 && enabled mipsfpu && disabled loongson2 && disabled loongson3; then

  4775.         add_cflags "-mips64"

  4776.         add_asflags "-mips64"

  4777.     elif enabled mipsdspr1 || enabled mipsdspr2; then

  4778.         add_cflags "-mips32r2 -mfp32"

  4779.         add_asflags "-mips32r2 -mfp32"

  4780.     elif enabled mips32r5 || enabled mips64r6; then

  4781.         check_cflags "-mfp64"

  4782.         check_ldflags "-mfp64"

  4783.     fi

  4784. 

  4785.     enabled mips32r5  && check_cflags "-mips32r5 -msched-weight -mload-store-pairs -funroll-loops" &&

  4786.      check_ldflags "-mips32r5" &&

  4787.      check_inline_asm mips32r5  '"ulw $t0, ($t1)"'

  4788.     enabled mips64r6  && check_cflags "-mips64r6 -msched-weight -mload-store-pairs -funroll-loops" &&

  4789.      check_ldflags "-mips64r6" &&

  4790.      check_inline_asm mips64r6  '"aui $t0, $t1, 1"'

  4791.     enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&

  4792.      check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'

  4793.     enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&

  4794.      check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'

  4795.     enabled mipsfpu   && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&

  4796.      check_inline_asm mipsfpu   '"madd.d $f0, $f2, $f4, $f6"'

  4797.     enabled msa       && check_cflags "-mmsa" && check_ldflags "-mmsa" &&

  4798.      check_inline_asm msa       '"addvi.b $w0, $w1, 1"'

  4799. 

  4800.     enabled mips32r5 && add_asflags "-mips32r5 -mfp64"

  4801.     enabled mips64r6 && add_asflags "-mips64r6 -mfp64"

  4802.     enabled msa && add_asflags "-mmsa"

  4803. 

  4804. elif enabled parisc; then

  4805. 

  4806.     if enabled gcc; then

  4807.         case $($cc -dumpversion) in

  4808.             4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;

  4809.         esac

  4810.     fi

  4811. 

  4812. elif enabled ppc; then

  4813. 

  4814.     enable local_aligned_8 local_aligned_16 local_aligned_32

  4815. 

  4816.     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'

  4817.     check_inline_asm ibm_asm   '"add 0, 0, 0"'

  4818.     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'

  4819.     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'

  4820. 

  4821.     # AltiVec flags: The FSF version of GCC differs from the Apple version

  4822.     if enabled altivec; then

  4823.         check_cflags -maltivec -mabi=altivec &&

  4824.         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||

  4825.         check_cflags -faltivec

  4826. 

  4827.         # check if our compiler supports Motorola AltiVec C API

  4828.         check_cc <<EOF || disable altivec

  4829. $inc_altivec_h

  4830. int main(void) {

  4831.     vector signed int v1 = (vector signed int) { 0 };

  4832.     vector signed int v2 = (vector signed int) { 1 };

  4833.     v1 = vec_add(v1, v2);

  4834.     return 0;

  4835. }

  4836. EOF

  4837. 

  4838.         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"

  4839.     fi

  4840. 

  4841.     if enabled vsx; then

  4842.         check_cflags -mvsx &&

  4843.         check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx

  4844.     fi

  4845. 

  4846.     if enabled power8; then

  4847.         check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8

  4848.     fi

  4849. 

  4850. elif enabled x86; then

  4851. 

  4852.     check_builtin rdtsc    intrin.h   "__rdtsc()"

  4853.     check_builtin mm_empty mmintrin.h "_mm_empty()"

  4854. 

  4855.     enable local_aligned_8 local_aligned_16 local_aligned_32

  4856. 

  4857.     # check whether EBP is available on x86

  4858.     # As 'i' is stored on the stack, this program will crash

  4859.     # if the base pointer is used to access it because the

  4860.     # base pointer is cleared in the inline assembly code.

  4861.     check_exec_crash <<EOF && enable ebp_available

  4862. volatile int i=0;

  4863. __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");

  4864. return i;

  4865. EOF

  4866. 

  4867.     # check whether EBX is available on x86

  4868.     check_inline_asm ebx_available '""::"b"(0)' &&

  4869.         check_inline_asm ebx_available '"":::"%ebx"'

  4870. 

  4871.     # check whether xmm clobbers are supported

  4872.     check_inline_asm xmm_clobbers '"":::"%xmm0"'

  4873. 

  4874.     check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||

  4875.         check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'

  4876. 

  4877.     # check whether binutils is new enough to compile SSSE3/MMXEXT

  4878.     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'

  4879.     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'

  4880. 

  4881.     if ! disabled_any asm mmx yasm; then

  4882.         if check_cmd $yasmexe --version; then

  4883.             enabled x86_64 && yasm_extra="-m amd64"

  4884.             yasm_debug="-g dwarf2"

  4885.         elif check_cmd nasm -v; then

  4886.             yasmexe=nasm

  4887.             yasm_debug="-g -F dwarf"

  4888.             if enabled x86_64; then

  4889.                 case "$objformat" in

  4890.                     elf)   objformat=elf64 ;;

  4891.                     win32) objformat=win64 ;;

  4892.                 esac

  4893.             fi

  4894.         fi

  4895. 

  4896.         YASMFLAGS="-f $objformat $yasm_extra"

  4897.         enabled pic               && append YASMFLAGS "-DPIC"

  4898.         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"

  4899.         case "$objformat" in

  4900.             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;

  4901.         esac

  4902. 

  4903.         check_yasm "movbe ecx, [5]" && enable yasm ||

  4904.             die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."

  4905.         check_yasm "vextracti128 xmm0, ymm0, 0"      || disable avx2_external

  4906.         check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external

  4907.         check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external

  4908.         check_yasm "CPU amdnop" || disable cpunop

  4909.     fi

  4910. 

  4911.     case "$cpu" in

  4912.         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)

  4913.             disable fast_clz

  4914.         ;;

  4915.     esac

  4916. 

  4917. fi

  4918. 

  4919. check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon

  4920. 

  4921. check_ldflags -Wl,--as-needed

  4922. check_ldflags -Wl,-z,noexecstack

  4923. 

  4924. if check_func dlopen; then

  4925.     ldl=

  4926. elif check_func dlopen -ldl; then

  4927.     ldl=-ldl

  4928. fi

  4929. 

  4930. frei0r_filter_extralibs='$ldl'

  4931. frei0r_src_filter_extralibs='$ldl'

  4932. ladspa_filter_extralibs='$ldl'

  4933. nvenc_encoder_extralibs='$ldl'

  4934. 

  4935. if ! disabled network; then

  4936.     check_func getaddrinfo $network_extralibs

  4937.     check_func getservbyport $network_extralibs

  4938.     check_func inet_aton $network_extralibs

  4939. 

  4940.     check_type netdb.h "struct addrinfo"

  4941.     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE

  4942.     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE

  4943.     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE

  4944.     check_type poll.h "struct pollfd"

  4945.     check_type netinet/sctp.h "struct sctp_event_subscribe"

  4946.     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len

  4947.     check_type netinet/in.h "struct sockaddr_in6"

  4948.     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"

  4949.     check_type "sys/types.h sys/socket.h" socklen_t

  4950. 

  4951.     # Prefer arpa/inet.h over winsock2

  4952.     if check_header arpa/inet.h ; then

  4953.         check_func closesocket

  4954.     elif check_header winsock2.h ; then

  4955.         check_func_headers winsock2.h closesocket -lws2 &&

  4956.             network_extralibs="-lws2" ||

  4957.         { check_func_headers winsock2.h closesocket -lws2_32 &&

  4958.             network_extralibs="-lws2_32"; } || disable winsock2_h network

  4959.         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs

  4960. 

  4961.         check_type ws2tcpip.h socklen_t

  4962.         check_type ws2tcpip.h "struct addrinfo"

  4963.         check_type ws2tcpip.h "struct group_source_req"

  4964.         check_type ws2tcpip.h "struct ip_mreq_source"

  4965.         check_type ws2tcpip.h "struct ipv6_mreq"

  4966.         check_type winsock2.h "struct pollfd"

  4967.         check_struct winsock2.h "struct sockaddr" sa_len

  4968.         check_type ws2tcpip.h "struct sockaddr_in6"

  4969.         check_type ws2tcpip.h "struct sockaddr_storage"

  4970.     else

  4971.         disable network

  4972.     fi

  4973. fi

  4974. 

  4975. check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"

  4976. check_builtin atomic_compare_exchange "" "int *ptr, *oldval; int newval; __atomic_compare_exchange_n(ptr, oldval, newval, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)"

  4977. check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"

  4978. check_builtin MemoryBarrier windows.h "MemoryBarrier()"

  4979. check_builtin sarestart signal.h "SA_RESTART"

  4980. check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"

  4981. check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"

  4982. check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"

  4983. 

  4984. check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc

  4985. check_func  ${malloc_prefix}memalign            && enable memalign

  4986. check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign

  4987. 

  4988. check_func  access

  4989. check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  4990. check_func  fcntl

  4991. check_func  fork

  4992. check_func  gethrtime

  4993. check_func  getopt

  4994. check_func  getrusage

  4995. check_func  gettimeofday

  4996. check_func  isatty

  4997. check_func  mach_absolute_time

  4998. check_func  mkstemp

  4999. check_func  mmap

  5000. check_func  mprotect

  5001. # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that

  5002. check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  5003. check_func  sched_getaffinity

  5004. check_func  setrlimit

  5005. check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE

  5006. check_func  strerror_r

  5007. check_func  sysconf

  5008. check_func  sysctl

  5009. check_func  usleep

  5010. 

  5011. check_func_headers conio.h kbhit

  5012. check_func_headers io.h setmode

  5013. check_func_headers lzo/lzo1x.h lzo1x_999_compress

  5014. check_func_headers stdlib.h getenv

  5015. 

  5016. check_func_headers windows.h CoTaskMemFree -lole32

  5017. check_func_headers windows.h GetProcessAffinityMask

  5018. check_func_headers windows.h GetProcessTimes

  5019. check_func_headers windows.h GetSystemTimeAsFileTime

  5020. check_func_headers windows.h MapViewOfFile

  5021. check_func_headers windows.h PeekNamedPipe

  5022. check_func_headers windows.h SetConsoleTextAttribute

  5023. check_func_headers windows.h SetConsoleCtrlHandler

  5024. check_func_headers windows.h Sleep

  5025. check_func_headers windows.h VirtualAlloc

  5026. check_struct windows.h "CONDITION_VARIABLE" Ptr

  5027. check_func_headers glob.h glob

  5028. enabled xlib &&

  5029.     check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext

  5030. 

  5031. check_header direct.h

  5032. check_header dlfcn.h

  5033. check_header d3d11.h

  5034. check_header dxva.h

  5035. check_header dxva2api.h -D_WIN32_WINNT=0x0600

  5036. check_header io.h

  5037. check_header libcrystalhd/libcrystalhd_if.h

  5038. check_header mach/mach_time.h

  5039. check_header malloc.h

  5040. check_header net/udplite.h

  5041. check_header poll.h

  5042. check_header sys/mman.h

  5043. check_header sys/param.h

  5044. check_header sys/resource.h

  5045. check_header sys/select.h

  5046. check_header sys/time.h

  5047. check_header sys/un.h

  5048. check_header termios.h

  5049. check_header unistd.h

  5050. check_header valgrind/valgrind.h

  5051. check_header vdpau/vdpau.h

  5052. check_header vdpau/vdpau_x11.h

  5053. check_header VideoDecodeAcceleration/VDADecoder.h

  5054. check_header windows.h

  5055. check_header X11/extensions/XvMClib.h

  5056. check_header asm/types.h

  5057. 

  5058. check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32

  5059. check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32

  5060. check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi

  5061. 

  5062. check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss

  5063. 

  5064. check_type "windows.h dxva.h" "DXVA_PicParams_HEVC"

  5065. check_type "windows.h d3d11.h" "ID3D11VideoDecoder"

  5066. check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0600

  5067. 

  5068. check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"

  5069. 

  5070. if ! disabled w32threads && ! enabled pthreads; then

  5071.     check_func_headers "windows.h process.h" _beginthreadex &&

  5072.         enable w32threads || disable w32threads

  5073. fi

  5074. 

  5075. # check for some common methods of building with pthread support

  5076. # do this before the optional library checks as some of them require pthreads

  5077. if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then

  5078.     enable pthreads

  5079.     if check_func pthread_join -pthread && check_func pthread_create -pthread; then

  5080.         add_cflags -pthread

  5081.         add_extralibs -pthread

  5082.     elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then

  5083.         add_cflags -pthreads

  5084.         add_extralibs -pthreads

  5085.     elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then

  5086.         add_cflags -ldl -pthread

  5087.         add_extralibs -ldl -pthread

  5088.     elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then

  5089.         add_extralibs -lpthreadGC2

  5090.     elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then

  5091.         :

  5092.     elif ! check_func pthread_join && ! check_func pthread_create; then

  5093.         disable pthreads

  5094.     fi

  5095.     check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads

  5096. fi

  5097. 

  5098. 

  5099. if enabled pthreads; then

  5100.   check_func pthread_cancel

  5101. fi

  5102. 

  5103. disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib

  5104. disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib

  5105. disabled  lzma || check_lib2  lzma.h lzma_version_number -llzma || disable lzma

  5106. 

  5107. check_lib math.h sin -lm && LIBM="-lm"

  5108. disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd

  5109. 

  5110. atan2f_args=2

  5111. ldexpf_args=2

  5112. powf_args=2

  5113. 

  5114. for func in $MATH_FUNCS; do

  5115.     eval check_mathfunc $func \${${func}_args:-1}

  5116. done

  5117. 

  5118. # these are off by default, so fail if requested and not available

  5119. enabled avfoundation_indev && { check_header_oc AVFoundation/AVFoundation.h || disable avfoundation_indev; }

  5120. enabled avfoundation_indev && { check_lib2 CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||

  5121.                                 check_lib2 ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }

  5122. enabled avisynth          && { { check_lib2 "windows.h" LoadLibrary; } ||

  5123.                                { check_lib2 "dlfcn.h" dlopen -ldl; } ||

  5124.                                die "ERROR: LoadLibrary/dlopen not found for avisynth"; }

  5125. enabled decklink          && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }

  5126. enabled frei0r            && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }

  5127. enabled gnutls            && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init

  5128. enabled ladspa            && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }

  5129. enabled libiec61883       && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883

  5130. enabled libaacplus        && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus

  5131. enabled libass            && require_pkg_config libass ass/ass.h ass_library_init

  5132. enabled libbluray         && require_pkg_config libbluray libbluray/bluray.h bd_open

  5133. enabled libbs2b           && require_pkg_config libbs2b bs2b.h bs2b_open

  5134. enabled libcelt           && require libcelt celt/celt.h celt_decode -lcelt0 &&

  5135.                              { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||

  5136.                                die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }

  5137. enabled libcaca           && require_pkg_config caca caca.h caca_create_canvas

  5138. enabled libdcadec         && require_pkg_config dcadec libdcadec/dca_context.h dcadec_context_create &&

  5139.                              check_struct libdcadec/dca_context.h "struct dcadec_exss_info" matrix_encoding

  5140. enabled libfaac           && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac

  5141. enabled libfdk_aac        && { use_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||

  5142.                                { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&

  5143.                                  warn "using libfdk without pkg-config"; } }

  5144. 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"

  5145. enabled libflite          && require2 libflite "flite/flite.h" flite_init $flite_libs

  5146. enabled fontconfig        && enable libfontconfig

  5147. enabled libfontconfig     && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit

  5148. enabled libfreetype       && require_libfreetype

  5149. enabled libfribidi        && require_pkg_config fribidi fribidi.h fribidi_version_info

  5150. enabled libgme            && require  libgme gme/gme.h gme_new_emu -lgme -lstdc++

  5151. enabled libgsm            && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do

  5152.                                    check_lib "${gsm_hdr}" gsm_create -lgsm && break;

  5153.                                done || die "ERROR: libgsm not found"; }

  5154. enabled libilbc           && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc

  5155. enabled libmfx            && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit

  5156. enabled libmodplug        && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load

  5157. enabled libmp3lame        && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame

  5158. enabled libnut            && require libnut libnut.h nut_demuxer_init -lnut

  5159. enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb

  5160. enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb

  5161. enabled libopencv         && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader

  5162. enabled libopenh264       && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion

  5163. enabled libopenjpeg       && { check_lib openjpeg.h opj_version -lopenmj2 -DOPJ_STATIC ||

  5164.                                check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  5165.                                check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  5166.                                die "ERROR: libopenjpeg not found"; }

  5167. enabled libopus           && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create

  5168. enabled libpulse          && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new

  5169. enabled libquvi           && require_pkg_config libquvi quvi/quvi.h quvi_init

  5170. enabled librtmp           && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket

  5171. enabled libschroedinger   && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init

  5172. enabled libshine          && require_pkg_config shine shine/layer3.h shine_encode_buffer

  5173. enabled libsmbclient      && { use_pkg_config smbclient libsmbclient.h smbc_init ||

  5174.                                require smbclient libsmbclient.h smbc_init -lsmbclient; }

  5175. enabled libsnappy         && require snappy snappy-c.h snappy_compress -lsnappy

  5176. enabled libsoxr           && require libsoxr soxr.h soxr_create -lsoxr

  5177. enabled libssh            && require_pkg_config libssh libssh/sftp.h sftp_init

  5178. enabled libspeex          && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex

  5179. enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h

  5180.     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h

  5181.     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static

  5182. enabled libtheora         && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg

  5183. enabled libtwolame        && require libtwolame twolame.h twolame_init -ltwolame &&

  5184.                              { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||

  5185.                                die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }

  5186. enabled libutvideo        && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++

  5187. enabled libv4l2           && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl

  5188. enabled libvidstab        && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit

  5189. enabled libvo_aacenc      && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc

  5190. enabled libvo_amrwbenc    && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc

  5191. enabled libvorbis         && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg

  5192. 

  5193. enabled libvpx            && {

  5194.     enabled libvpx_vp8_decoder && {

  5195.         use_pkg_config "vpx >= 0.9.1" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||

  5196.             check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||

  5197.                 die "ERROR: libvpx decoder version must be >=0.9.1";

  5198.     }

  5199.     enabled libvpx_vp8_encoder && {

  5200.         use_pkg_config "vpx >= 0.9.7" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||

  5201.             check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||

  5202.                 die "ERROR: libvpx encoder version must be >=0.9.7";

  5203.     }

  5204.     enabled libvpx_vp9_decoder && {

  5205.         use_pkg_config "vpx >= 1.3.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||

  5206.             check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx ||

  5207.                 disable libvpx_vp9_decoder;

  5208.     }

  5209.     enabled libvpx_vp9_encoder && {

  5210.         use_pkg_config "vpx >= 1.3.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||

  5211.             check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx ||

  5212.                 disable libvpx_vp9_encoder;

  5213.     }

  5214.     if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then

  5215.         die "libvpx enabled but no supported decoders found"

  5216.     fi

  5217. }

  5218. 

  5219. enabled libwavpack        && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput  -lwavpack

  5220. enabled libwebp           && {

  5221.     enabled libwebp_encoder      && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion

  5222.     enabled libwebp_anim_encoder && { use_pkg_config "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit || disable libwebp_anim_encoder; } }

  5223. enabled libx264           && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||

  5224.                                { require libx264 x264.h x264_encoder_encode -lx264 &&

  5225.                                  warn "using libx264 without pkg-config"; } } &&

  5226.                              { check_cpp_condition x264.h "X264_BUILD >= 118" ||

  5227.                                die "ERROR: libx264 must be installed and version must be >= 0.118."; }

  5228. enabled libx265           && require_pkg_config x265 x265.h x265_api_get &&

  5229.                              { check_cpp_condition x265.h "X265_BUILD >= 57" ||

  5230.                                die "ERROR: libx265 version must be >= 57."; }

  5231. enabled libxavs           && require libxavs xavs.h xavs_encoder_encode -lxavs

  5232. enabled libxvid           && require libxvid xvid.h xvid_global -lxvidcore

  5233. enabled libzmq            && require_pkg_config libzmq zmq.h zmq_ctx_new

  5234. enabled libzvbi           && require libzvbi libzvbi.h vbi_decoder_new -lzvbi

  5235. enabled mmal              && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||

  5236.                                 { ! enabled cross_compile && {

  5237.                                     add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;

  5238.                                     add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;

  5239.                                     check_lib interface/mmal/mmal.h mmal_port_connect ; }

  5240.                                 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||

  5241.                                die "ERROR: mmal not found"; }

  5242. enabled nvenc             && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; } &&

  5243.                              { check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 5" ||

  5244.                                die "ERROR: NVENC API version 4 or older is not supported"; } &&

  5245.                              { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }

  5246. enabled openal            && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do

  5247.                                check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||

  5248.                                die "ERROR: openal not found"; } &&

  5249.                              { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||

  5250.                                die "ERROR: openal must be installed and version must be 1.1 or compatible"; }

  5251. enabled opencl            && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||

  5252.                                check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||

  5253.                                die "ERROR: opencl not found"; } &&

  5254.                              { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||

  5255.                                check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||

  5256.                                die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }

  5257. enabled opengl            && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||

  5258.                                check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||

  5259.                                check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||

  5260.                                check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||

  5261.                                die "ERROR: opengl not found."

  5262.                              }

  5263. enabled openssl           && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||

  5264.                                check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||

  5265.                                check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||

  5266.                                die "ERROR: openssl not found"; }

  5267. enabled qtkit_indev      && { check_header_oc QTKit/QTKit.h || disable qtkit_indev; }

  5268. 

  5269. if enabled gnutls; then

  5270.     { check_lib2 gmp.h mpz_export -lgmp && enable gmp; } ||

  5271.     { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }

  5272. fi

  5273. 

  5274. # libdc1394 check

  5275. if enabled libdc1394; then

  5276.     { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&

  5277.         enable libdc1394_2; } ||

  5278.     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&

  5279.         enable libdc1394_1; } ||

  5280.     die "ERROR: No version of libdc1394 found "

  5281. fi

  5282. if ! disabled sdl; then

  5283.     SDL_CONFIG="${cross_prefix}sdl-config"

  5284.     if check_pkg_config sdl SDL_events.h SDL_PollEvent; then

  5285.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5286.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5287.         enable sdl

  5288.     else

  5289.         if "${SDL_CONFIG}" --version > /dev/null 2>&1; then

  5290.             sdl_cflags=$("${SDL_CONFIG}" --cflags)

  5291.             sdl_libs=$("${SDL_CONFIG}" --libs)

  5292.             check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&

  5293.             check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5294.             check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5295.             enable sdl

  5296.         elif enabled sdl ; then

  5297.             die "ERROR: SDL not found"

  5298.         else

  5299.             disable sdl

  5300.         fi

  5301.     fi

  5302. fi

  5303. enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs

  5304. 

  5305. disabled securetransport || { check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&

  5306.     check_lib2 "Security/SecureTransport.h Security/Security.h" "SSLCreateContext SecItemImport" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&

  5307.     enable securetransport; }

  5308. 

  5309. makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo

  5310. enabled makeinfo \

  5311.     && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \

  5312.     && enable makeinfo_html || disable makeinfo_html

  5313. disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html

  5314. perl -v            > /dev/null 2>&1 && enable perl      || disable perl

  5315. pod2man --help     > /dev/null 2>&1 && enable pod2man   || disable pod2man

  5316. rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout

  5317. 

  5318. check_header linux/fb.h

  5319. check_header linux/videodev.h

  5320. check_header linux/videodev2.h

  5321. check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5322. 

  5323. check_header sys/videoio.h

  5324. check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5325. 

  5326. check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"

  5327. # check that WM_CAP_DRIVER_CONNECT is defined to the proper value

  5328. # w32api 3.12 had it defined wrong

  5329. check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines

  5330. 

  5331. check_type "dshow.h" IBaseFilter

  5332. 

  5333. # check for ioctl_meteor.h, ioctl_bt848.h and alternatives

  5334. { check_header dev/bktr/ioctl_meteor.h &&

  5335.   check_header dev/bktr/ioctl_bt848.h; } ||

  5336. { check_header machine/ioctl_meteor.h &&

  5337.   check_header machine/ioctl_bt848.h; } ||

  5338. { check_header dev/video/meteor/ioctl_meteor.h &&

  5339.   check_header dev/video/bktr/ioctl_bt848.h; } ||

  5340. check_header dev/ic/bt8xx.h

  5341. 

  5342. check_header sndio.h

  5343. if check_struct sys/soundcard.h audio_buf_info bytes; then

  5344.     enable_safe sys/soundcard.h

  5345. else

  5346.     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h

  5347.     #include <sys/soundcard.h>

  5348.     audio_buf_info abc;

  5349. EOF

  5350. fi

  5351. check_header soundcard.h

  5352. 

  5353. enabled_any alsa_indev alsa_outdev &&

  5354.     check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound

  5355. 

  5356. enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&

  5357.     check_func jack_port_get_latency_range -ljack

  5358. 

  5359. enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio

  5360. 

  5361. if enabled libcdio; then

  5362.     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5363.     check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5364.     die "ERROR: No usable libcdio/cdparanoia found"

  5365. fi

  5366. 

  5367. enabled xlib &&

  5368.     check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib

  5369. 

  5370. if ! disabled libxcb; then

  5371.     check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {

  5372.         enabled libxcb && die "ERROR: libxcb >= 1.4 not found";

  5373.     } && disable x11grab && enable libxcb

  5374. 

  5375. if enabled libxcb; then

  5376.     disabled libxcb_shm || {

  5377.         check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {

  5378.             enabled libxcb_shm && die "ERROR: libxcb_shm not found";

  5379.         } && check_header sys/shm.h && enable libxcb_shm; }

  5380. 

  5381.     disabled libxcb_xfixes || {

  5382.         check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {

  5383.             enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";

  5384.         } && enable libxcb_xfixes; }

  5385. 

  5386.     disabled libxcb_shape || {

  5387.         check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {

  5388.             enabled libxcb_shape && die "ERROR: libxcb_shape not found";

  5389.         } && enable libxcb_shape; }

  5390. 

  5391.     add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags

  5392.     add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs

  5393. fi

  5394. fi

  5395. 

  5396. if enabled x11grab; then

  5397.     enabled xlib || die "ERROR: Xlib not found"

  5398.     require Xext X11/extensions/XShm.h XShmCreateImage -lXext

  5399.     require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes

  5400. fi

  5401. 

  5402. check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"

  5403. 

  5404. enabled dxva2api_h &&

  5405.     check_cc <<EOF && enable dxva2api_cobj

  5406. #define _WIN32_WINNT 0x0600

  5407. #define COBJMACROS

  5408. #include <windows.h>

  5409. #include <d3d9.h>

  5410. #include <dxva2api.h>

  5411. int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }

  5412. EOF

  5413. 

  5414. enabled vaapi &&

  5415.     check_lib va/va.h vaInitialize -lva ||

  5416.     disable vaapi

  5417. 

  5418. enabled vaapi && enabled xlib &&

  5419.     check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&

  5420.     enable vaapi_x11

  5421. 

  5422. enabled vdpau &&

  5423.     check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||

  5424.     disable vdpau

  5425. 

  5426. enabled vdpau && enabled xlib &&

  5427.     check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&

  5428.     prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&

  5429.     enable vdpau_x11

  5430. 

  5431. # Funny iconv installations are not unusual, so check it after all flags have been set

  5432. disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv

  5433. 

  5434. enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"

  5435. 

  5436. # add some useful compiler flags if supported

  5437. check_cflags -Wdeclaration-after-statement

  5438. check_cflags -Wall

  5439. check_cflags -Wdisabled-optimization

  5440. check_cflags -Wpointer-arith

  5441. check_cflags -Wredundant-decls

  5442. check_cflags -Wwrite-strings

  5443. check_cflags -Wtype-limits

  5444. check_cflags -Wundef

  5445. check_cflags -Wmissing-prototypes

  5446. check_cflags -Wno-pointer-to-int-cast

  5447. check_cflags -Wstrict-prototypes

  5448. check_cflags -Wempty-body

  5449. enabled extra_warnings && check_cflags -Winline

  5450. 

  5451. check_disable_warning(){

  5452.     warning_flag=-W${1#-Wno-}

  5453.     test_cflags $warning_flag && add_cflags $1

  5454. }

  5455. 

  5456. check_disable_warning -Wno-parentheses

  5457. check_disable_warning -Wno-switch

  5458. check_disable_warning -Wno-format-zero-length

  5459. check_disable_warning -Wno-pointer-sign

  5460. 

  5461. # add some linker flags

  5462. check_ldflags -Wl,--warn-common

  5463. check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample

  5464. enabled rpath && add_ldexeflags -Wl,-rpath,$libdir

  5465. enabled rpath && add_ldlibflags -Wl,-rpath,$libdir

  5466. test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic

  5467. 

  5468. # add some strip flags

  5469. # -wN '..@*' is more selective than -x, but not available everywhere.

  5470. check_stripflags -wN \'..@*\' || check_stripflags -x

  5471. 

  5472. enabled neon_clobber_test &&

  5473.     check_ldflags -Wl,--wrap,avcodec_open2              \

  5474.                   -Wl,--wrap,avcodec_decode_audio4      \

  5475.                   -Wl,--wrap,avcodec_decode_video2      \

  5476.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  5477.                   -Wl,--wrap,avcodec_encode_audio2      \

  5478.                   -Wl,--wrap,avcodec_encode_video2      \

  5479.                   -Wl,--wrap,avcodec_encode_subtitle    \

  5480.                   -Wl,--wrap,swr_convert                \

  5481.                   -Wl,--wrap,avresample_convert ||

  5482.     disable neon_clobber_test

  5483. 

  5484. enabled xmm_clobber_test &&

  5485.     check_ldflags -Wl,--wrap,avcodec_open2              \

  5486.                   -Wl,--wrap,avcodec_decode_audio4      \

  5487.                   -Wl,--wrap,avcodec_decode_video2      \

  5488.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  5489.                   -Wl,--wrap,avcodec_encode_audio2      \

  5490.                   -Wl,--wrap,avcodec_encode_video       \

  5491.                   -Wl,--wrap,avcodec_encode_video2      \

  5492.                   -Wl,--wrap,avcodec_encode_subtitle    \

  5493.                   -Wl,--wrap,swr_convert                \

  5494.                   -Wl,--wrap,avresample_convert         \

  5495.                   -Wl,--wrap,sws_scale ||

  5496.     disable xmm_clobber_test

  5497. 

  5498. echo "X{};" > $TMPV

  5499. if test_ldflags -Wl,--version-script,$TMPV; then

  5500.     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'

  5501.     check_cc <<EOF && enable symver_asm_label

  5502. void ff_foo(void) __asm__ ("av_foo@VERSION");

  5503. void ff_foo(void) { ${inline_asm+__asm__($quotes);} }

  5504. EOF

  5505.     check_cc <<EOF && enable symver_gnu_asm

  5506. __asm__(".symver ff_foo,av_foo@VERSION");

  5507. void ff_foo(void) {}

  5508. EOF

  5509. fi

  5510. 

  5511. if [ -z "$optflags" ]; then

  5512.     if enabled small; then

  5513.         optflags=$cflags_size

  5514.     elif enabled optimizations; then

  5515.         optflags=$cflags_speed

  5516.     else

  5517.         optflags=$cflags_noopt

  5518.     fi

  5519. fi

  5520. 

  5521. check_optflags(){

  5522.     check_cflags "$@"

  5523.     enabled lto && check_ldflags "$@"

  5524. }

  5525. 

  5526. 

  5527. if enabled lto; then

  5528.     test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"

  5529.     check_cflags  -flto

  5530.     check_ldflags -flto $cpuflags

  5531.     disable inline_asm_direct_symbol_refs

  5532. fi

  5533. 

  5534. check_optflags $optflags

  5535. check_optflags -fno-math-errno

  5536. check_optflags -fno-signed-zeros

  5537. 

  5538. enabled ftrapv && check_cflags -ftrapv

  5539. 

  5540. check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"

  5541. int x;

  5542. EOF

  5543. 

  5544. 

  5545. if enabled icc; then

  5546.     # Just warnings, no remarks

  5547.     check_cflags -w1

  5548.     # -wd: Disable following warnings

  5549.     # 144, 167, 556: -Wno-pointer-sign

  5550.     # 188: enumerated type mixed with another type

  5551.     # 1292: attribute "foo" ignored

  5552.     # 1419: external declaration in primary source file

  5553.     # 10006: ignoring unknown option -fno-signed-zeros

  5554.     # 10148: ignoring unknown option -Wno-parentheses

  5555.     # 10156: ignoring option '-W'; no argument required

  5556.     # 13200: No EMMS instruction before call to function

  5557.     # 13203: No EMMS instruction before return from function

  5558.     check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203

  5559.     # 11030: Warning unknown option --as-needed

  5560.     # 10156: ignoring option '-export'; no argument required

  5561.     check_ldflags -wd10156,11030

  5562.     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test

  5563.     enable ebp_available

  5564.     # The test above does not test linking

  5565.     enabled lto && disable symver_asm_label

  5566.     if enabled x86_32; then

  5567.         icc_version=$($cc -dumpversion)

  5568.         test ${icc_version%%.*} -ge 11 &&

  5569.             check_cflags -falign-stack=maintain-16-byte ||

  5570.             disable aligned_stack

  5571.     fi

  5572. elif enabled ccc; then

  5573.     # disable some annoying warnings

  5574.     add_cflags -msg_disable bitnotint

  5575.     add_cflags -msg_disable mixfuncvoid

  5576.     add_cflags -msg_disable nonstandcast

  5577.     add_cflags -msg_disable unsupieee

  5578. elif enabled gcc; then

  5579.     check_optflags -fno-tree-vectorize

  5580.     check_cflags -Werror=format-security

  5581.     check_cflags -Werror=implicit-function-declaration

  5582.     check_cflags -Werror=missing-prototypes

  5583.     check_cflags -Werror=return-type

  5584.     check_cflags -Werror=vla

  5585.     check_cflags -Wformat

  5586.     check_cflags -fdiagnostics-color=auto

  5587.     enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized

  5588. elif enabled llvm_gcc; then

  5589.     check_cflags -mllvm -stack-alignment=16

  5590. elif enabled clang; then

  5591.     check_cflags -mllvm -stack-alignment=16

  5592.     check_cflags -Qunused-arguments

  5593.     check_cflags -Werror=implicit-function-declaration

  5594.     check_cflags -Werror=missing-prototypes

  5595.     check_cflags -Werror=return-type

  5596. elif enabled cparser; then

  5597.     add_cflags -Wno-missing-variable-declarations

  5598.     add_cflags -Wno-empty-statement

  5599. elif enabled armcc; then

  5600.     add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat

  5601.     add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir

  5602.     # 2523: use of inline assembly is deprecated

  5603.     add_cflags -W${armcc_opt},--diag_suppress=2523

  5604.     add_cflags -W${armcc_opt},--diag_suppress=1207

  5605.     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition

  5606.     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat

  5607.     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign

  5608.     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign

  5609. elif enabled tms470; then

  5610.     add_cflags -pds=824 -pds=837

  5611.     disable inline_asm

  5612. elif enabled pathscale; then

  5613.     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF

  5614. elif enabled_any msvc icl; then

  5615.     enabled x86_32 && disable aligned_stack

  5616.     enabled_all x86_32 debug && add_cflags -Oy-

  5617.     enabled debug && add_ldflags -debug

  5618.     enable pragma_deprecated

  5619.     if enabled icl; then

  5620.         # -Qansi-alias is basically -fstrict-aliasing, but does not work

  5621.         # (correctly) on icl 13.x.

  5622.         check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&

  5623.             add_cflags -Qansi-alias

  5624.         # Some inline asm is not compilable in debug

  5625.         if enabled debug; then

  5626.             disable ebp_available

  5627.             disable ebx_available

  5628.         fi

  5629.     fi

  5630.     # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.

  5631.     check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2

  5632. fi

  5633. 

  5634. case $as_type in

  5635.     clang)

  5636.         add_asflags -Qunused-arguments

  5637.     ;;

  5638. esac

  5639. 

  5640. case $ld_type in

  5641.     clang)

  5642.         check_ldflags -Qunused-arguments

  5643.     ;;

  5644. esac

  5645. 

  5646. case $target_os in

  5647.     osf1)

  5648.         enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'

  5649.     ;;

  5650.     plan9)

  5651.         add_cppflags -Dmain=plan9_main

  5652.     ;;

  5653. esac

  5654. 

  5655. enable frame_thread_encoder

  5656. 

  5657. enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }

  5658. 

  5659. check_deps $CONFIG_LIST       \

  5660.            $CONFIG_EXTRA      \

  5661.            $HAVE_LIST         \

  5662.            $ALL_COMPONENTS    \

  5663. 

  5664. 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"

  5665. 

  5666. 

  5667. if test $target_os = "haiku"; then

  5668.     disable memalign

  5669.     disable posix_memalign

  5670. fi

  5671. 

  5672. enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&

  5673.     prepend ffmpeg_libs $($ldflags_filter "-lole32" "-luser32") &&

  5674.     enable dxva2_lib

  5675. 

  5676. ! enabled_any memalign posix_memalign aligned_malloc &&

  5677.     enabled simd_align_16 && enable memalign_hack

  5678. 

  5679. # add_dep lib dep

  5680. # -> enable ${lib}_deps_${dep}

  5681. # -> add $dep to ${lib}_deps only once

  5682. add_dep() {

  5683.     lib=$1

  5684.     dep=$2

  5685.     enabled "${lib}_deps_${dep}" && return 0

  5686.     enable  "${lib}_deps_${dep}"

  5687.     prepend "${lib}_deps" $dep

  5688. }

  5689. 

  5690. # merge deps lib components

  5691. # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*

  5692. merge_deps() {

  5693.     lib=$1

  5694.     shift

  5695.     for comp in $*; do

  5696.         enabled $comp || continue

  5697.         eval "dep=\"\$${comp}_deps\""

  5698.         for d in $dep; do

  5699.             add_dep $lib $d

  5700.         done

  5701.     done

  5702. }

  5703. 

  5704. merge_deps libavfilter $FILTER_LIST

  5705. 

  5706. map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST

  5707. 

  5708. for thread in $THREADS_LIST; do

  5709.     if enabled $thread; then

  5710.         test -n "$thread_type" &&

  5711.             die "ERROR: Only one thread type must be selected." ||

  5712.             thread_type="$thread"

  5713.     fi

  5714. done

  5715. 

  5716. enabled zlib && add_cppflags -DZLIB_CONST

  5717. 

  5718. # conditional library dependencies, in linking order

  5719. enabled amovie_filter       && prepend avfilter_deps "avformat avcodec"

  5720. enabled aresample_filter    && prepend avfilter_deps "swresample"

  5721. enabled asyncts_filter      && prepend avfilter_deps "avresample"

  5722. enabled atempo_filter       && prepend avfilter_deps "avcodec"

  5723. enabled cover_rect_filter   && prepend avfilter_deps "avformat avcodec"

  5724. enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"

  5725. enabled elbg_filter         && prepend avfilter_deps "avcodec"

  5726. enabled fftfilt_filter      && prepend avfilter_deps "avcodec"

  5727. enabled find_rect_filter    && prepend avfilter_deps "avformat avcodec"

  5728. enabled mcdeint_filter      && prepend avfilter_deps "avcodec"

  5729. enabled movie_filter    && prepend avfilter_deps "avformat avcodec"

  5730. enabled pan_filter          && prepend avfilter_deps "swresample"

  5731. enabled pp_filter           && prepend avfilter_deps "postproc"

  5732. enabled removelogo_filter   && prepend avfilter_deps "avformat avcodec swscale"

  5733. enabled resample_filter && prepend avfilter_deps "avresample"

  5734. enabled sab_filter          && prepend avfilter_deps "swscale"

  5735. enabled scale_filter    && prepend avfilter_deps "swscale"

  5736. enabled showspectrum_filter && prepend avfilter_deps "avcodec"

  5737. enabled smartblur_filter    && prepend avfilter_deps "swscale"

  5738. enabled subtitles_filter    && prepend avfilter_deps "avformat avcodec"

  5739. enabled uspp_filter         && prepend avfilter_deps "avcodec"

  5740. 

  5741. enabled lavfi_indev         && prepend avdevice_deps "avfilter"

  5742. 

  5743. enabled opus_decoder    && prepend avcodec_deps "swresample"

  5744. 

  5745. expand_deps(){

  5746.     lib_deps=${1}_deps

  5747.     eval "deps=\$$lib_deps"

  5748.     append $lib_deps $(map 'eval echo \$${v}_deps' $deps)

  5749.     unique $lib_deps

  5750. }

  5751. 

  5752. #we have to remove gpl from the deps here as some code assumes all lib deps are libs

  5753. postproc_deps="$(filter_out 'gpl' $postproc_deps)"

  5754. 

  5755. map 'expand_deps $v' $LIBRARY_LIST

  5756. 

  5757. echo "install prefix            $prefix"

  5758. echo "source path               $source_path"

  5759. echo "C compiler                $cc"

  5760. echo "C library                 $libc_type"

  5761. if test "$host_cc" != "$cc"; then

  5762.     echo "host C compiler           $host_cc"

  5763.     echo "host C library            $host_libc_type"

  5764. fi

  5765. echo "ARCH                      $arch ($cpu)"

  5766. if test "$build_suffix" != ""; then

  5767.     echo "build suffix              $build_suffix"

  5768. fi

  5769. if test "$progs_suffix" != ""; then

  5770.     echo "progs suffix              $progs_suffix"

  5771. fi

  5772. if test "$extra_version" != ""; then

  5773.     echo "version string suffix     $extra_version"

  5774. fi

  5775. echo "big-endian                ${bigendian-no}"

  5776. echo "runtime cpu detection     ${runtime_cpudetect-no}"

  5777. if enabled x86; then

  5778.     echo "${yasmexe}                      ${yasm-no}"

  5779.     echo "MMX enabled               ${mmx-no}"

  5780.     echo "MMXEXT enabled            ${mmxext-no}"

  5781.     echo "3DNow! enabled            ${amd3dnow-no}"

  5782.     echo "3DNow! extended enabled   ${amd3dnowext-no}"

  5783.     echo "SSE enabled               ${sse-no}"

  5784.     echo "SSSE3 enabled             ${ssse3-no}"

  5785.     echo "AVX enabled               ${avx-no}"

  5786.     echo "XOP enabled               ${xop-no}"

  5787.     echo "FMA3 enabled              ${fma3-no}"

  5788.     echo "FMA4 enabled              ${fma4-no}"

  5789.     echo "i686 features enabled     ${i686-no}"

  5790.     echo "CMOV is fast              ${fast_cmov-no}"

  5791.     echo "EBX available             ${ebx_available-no}"

  5792.     echo "EBP available             ${ebp_available-no}"

  5793. fi

  5794. if enabled aarch64; then

  5795.     echo "NEON enabled              ${neon-no}"

  5796.     echo "VFP enabled               ${vfp-no}"

  5797. fi

  5798. if enabled arm; then

  5799.     echo "ARMv5TE enabled           ${armv5te-no}"

  5800.     echo "ARMv6 enabled             ${armv6-no}"

  5801.     echo "ARMv6T2 enabled           ${armv6t2-no}"

  5802.     echo "VFP enabled               ${vfp-no}"

  5803.     echo "NEON enabled              ${neon-no}"

  5804.     echo "THUMB enabled             ${thumb-no}"

  5805. fi

  5806. if enabled mips; then

  5807.     echo "MIPS FPU enabled          ${mipsfpu-no}"

  5808.     echo "MIPS32R5 enabled          ${mips32r5-no}"

  5809.     echo "MIPS64R6 enabled          ${mips64r6-no}"

  5810.     echo "MIPS DSP R1 enabled       ${mipsdspr1-no}"

  5811.     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"

  5812.     echo "MIPS MSA enabled          ${msa-no}"

  5813.     echo "LOONGSON MMI enabled      ${mmi-no}"

  5814. fi

  5815. if enabled ppc; then

  5816.     echo "AltiVec enabled           ${altivec-no}"

  5817.     echo "VSX enabled               ${vsx-no}"

  5818.     echo "POWER8 enabled            ${power8-no}"

  5819.     echo "PPC 4xx optimizations     ${ppc4xx-no}"

  5820.     echo "dcbzl available           ${dcbzl-no}"

  5821. fi

  5822. echo "debug symbols             ${debug-no}"

  5823. echo "strip symbols             ${stripping-no}"

  5824. echo "optimize for size         ${small-no}"

  5825. echo "optimizations             ${optimizations-no}"

  5826. echo "static                    ${static-no}"

  5827. echo "shared                    ${shared-no}"

  5828. echo "postprocessing support    ${postproc-no}"

  5829. echo "new filter support        ${avfilter-no}"

  5830. echo "network support           ${network-no}"

  5831. echo "threading support         ${thread_type-no}"

  5832. echo "safe bitstream reader     ${safe_bitstream_reader-no}"

  5833. echo "SDL support               ${sdl-no}"

  5834. echo "opencl enabled            ${opencl-no}"

  5835. echo "texi2html enabled         ${texi2html-no}"

  5836. echo "perl enabled              ${perl-no}"

  5837. echo "pod2man enabled           ${pod2man-no}"

  5838. echo "makeinfo enabled          ${makeinfo-no}"

  5839. echo "makeinfo supports HTML    ${makeinfo_html-no}"

  5840. test -n "$random_seed" &&

  5841.     echo "random seed               ${random_seed}"

  5842. echo

  5843. 

  5844. echo "External libraries:"

  5845. print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns

  5846. echo

  5847. 

  5848. for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do

  5849.     echo "Enabled ${type}s:"

  5850.     eval list=\$$(toupper $type)_LIST

  5851.     print_enabled '_*' $list | print_3_columns

  5852.     echo

  5853. done

  5854. 

  5855. license="LGPL version 2.1 or later"

  5856. if enabled nonfree; then

  5857.     license="nonfree and unredistributable"

  5858. elif enabled gplv3; then

  5859.     license="GPL version 3 or later"

  5860. elif enabled lgplv3; then

  5861.     license="LGPL version 3 or later"

  5862. elif enabled gpl; then

  5863.     license="GPL version 2 or later"

  5864. fi

  5865. 

  5866. echo "License: $license"

  5867. 

  5868. echo "Creating config.mak, config.h, and doc/config.texi..."

  5869. 

  5870. test -e Makefile || echo "include $source_path/Makefile" > Makefile

  5871. 

  5872. enabled stripping || strip="echo skipping strip"

  5873. 

  5874. config_files="$TMPH config.mak doc/config.texi"

  5875. 

  5876. cat > config.mak <<EOF

  5877. # Automatically generated by configure - do not modify!

  5878. ifndef FFMPEG_CONFIG_MAK

  5879. FFMPEG_CONFIG_MAK=1

  5880. FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION

  5881. prefix=$prefix

  5882. LIBDIR=\$(DESTDIR)$libdir

  5883. SHLIBDIR=\$(DESTDIR)$shlibdir

  5884. INCDIR=\$(DESTDIR)$incdir

  5885. BINDIR=\$(DESTDIR)$bindir

  5886. DATADIR=\$(DESTDIR)$datadir

  5887. DOCDIR=\$(DESTDIR)$docdir

  5888. MANDIR=\$(DESTDIR)$mandir

  5889. PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir

  5890. SRC_PATH=$source_path

  5891. ifndef MAIN_MAKEFILE

  5892. SRC_PATH:=\$(SRC_PATH:.%=..%)

  5893. endif

  5894. CC_IDENT=$cc_ident

  5895. ARCH=$arch

  5896. INTRINSICS=$intrinsics

  5897. CC=$cc

  5898. CXX=$cxx

  5899. AS=$as

  5900. LD=$ld

  5901. DEPCC=$dep_cc

  5902. DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)

  5903. DEPAS=$as

  5904. DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)

  5905. YASM=$yasmexe

  5906. DEPYASM=$yasmexe

  5907. AR=$ar

  5908. ARFLAGS=$arflags

  5909. AR_O=$ar_o

  5910. RANLIB=$ranlib

  5911. STRIP=$strip

  5912. CP=cp -p

  5913. LN_S=$ln_s

  5914. CPPFLAGS=$CPPFLAGS

  5915. CFLAGS=$CFLAGS

  5916. CXXFLAGS=$CXXFLAGS

  5917. ASFLAGS=$ASFLAGS

  5918. AS_C=$AS_C

  5919. AS_O=$AS_O

  5920. CC_C=$CC_C

  5921. CC_E=$CC_E

  5922. CC_O=$CC_O

  5923. CXX_C=$CXX_C

  5924. CXX_O=$CXX_O

  5925. LD_O=$LD_O

  5926. LD_LIB=$LD_LIB

  5927. LD_PATH=$LD_PATH

  5928. DLLTOOL=$dlltool

  5929. WINDRES=$windres

  5930. DEPWINDRES=$dep_cc

  5931. DOXYGEN=$doxygen

  5932. LDFLAGS=$LDFLAGS

  5933. LDEXEFLAGS=$LDEXEFLAGS

  5934. LDLIBFLAGS=$LDLIBFLAGS

  5935. SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))

  5936. ASMSTRIPFLAGS=$ASMSTRIPFLAGS

  5937. YASMFLAGS=$YASMFLAGS

  5938. BUILDSUF=$build_suffix

  5939. PROGSSUF=$progs_suffix

  5940. FULLNAME=$FULLNAME

  5941. LIBPREF=$LIBPREF

  5942. LIBSUF=$LIBSUF

  5943. LIBNAME=$LIBNAME

  5944. SLIBPREF=$SLIBPREF

  5945. SLIBSUF=$SLIBSUF

  5946. EXESUF=$EXESUF

  5947. EXTRA_VERSION=$extra_version

  5948. CCDEP=$CCDEP

  5949. CXXDEP=$CXXDEP

  5950. CCDEP_FLAGS=$CCDEP_FLAGS

  5951. ASDEP=$ASDEP

  5952. ASDEP_FLAGS=$ASDEP_FLAGS

  5953. CC_DEPFLAGS=$CC_DEPFLAGS

  5954. AS_DEPFLAGS=$AS_DEPFLAGS

  5955. HOSTCC=$host_cc

  5956. HOSTLD=$host_ld

  5957. HOSTCFLAGS=$host_cflags

  5958. HOSTCPPFLAGS=$host_cppflags

  5959. HOSTEXESUF=$HOSTEXESUF

  5960. HOSTLDFLAGS=$host_ldflags

  5961. HOSTLIBS=$host_libs

  5962. DEPHOSTCC=$host_cc

  5963. DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)

  5964. HOSTCCDEP=$HOSTCCDEP

  5965. HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS

  5966. HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS

  5967. HOSTCC_C=$HOSTCC_C

  5968. HOSTCC_O=$HOSTCC_O

  5969. HOSTLD_O=$HOSTLD_O

  5970. TARGET_EXEC=$target_exec $target_exec_args

  5971. TARGET_PATH=$target_path

  5972. TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}

  5973. CFLAGS-ffplay=$sdl_cflags

  5974. ZLIB=$($ldflags_filter -lz)

  5975. LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD

  5976. EXTRALIBS=$extralibs

  5977. COMPAT_OBJS=$compat_objs

  5978. EXEOBJS=$exeobjs

  5979. INSTALL=$install

  5980. LIBTARGET=${LIBTARGET}

  5981. SLIBNAME=${SLIBNAME}

  5982. SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}

  5983. SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}

  5984. SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}

  5985. SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}

  5986. SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}

  5987. SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}

  5988. SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}

  5989. SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}

  5990. SAMPLES:=${samples:-\$(FATE_SAMPLES)}

  5991. NOREDZONE_FLAGS=$noredzone_flags

  5992. EOF

  5993. 

  5994. get_version(){

  5995.     lcname=lib${1}

  5996.     name=$(toupper $lcname)

  5997.     file=$source_path/$lcname/version.h

  5998.     eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")

  5999.     enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))

  6000.     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO

  6001.     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak

  6002.     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak

  6003.     eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak

  6004. }

  6005. 

  6006. map 'get_version $v' $LIBRARY_LIST

  6007. 

  6008. map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST

  6009. 

  6010. print_program_libs(){

  6011.     eval "program_libs=\$${1}_libs"

  6012.     eval echo "LIBS-${1}=${program_libs}" >> config.mak

  6013. }

  6014. 

  6015. map 'print_program_libs $v' $PROGRAM_LIST

  6016. 

  6017. cat > $TMPH <<EOF

  6018. /* Automatically generated by configure - do not modify! */

  6019. #ifndef FFMPEG_CONFIG_H

  6020. #define FFMPEG_CONFIG_H

  6021. #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"

  6022. #define FFMPEG_LICENSE "$(c_escape $license)"

  6023. #define CONFIG_THIS_YEAR 2015

  6024. #define FFMPEG_DATADIR "$(eval c_escape $datadir)"

  6025. #define AVCONV_DATADIR "$(eval c_escape $datadir)"

  6026. #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"

  6027. #define av_restrict $_restrict

  6028. #define EXTERN_PREFIX "${extern_prefix}"

  6029. #define EXTERN_ASM ${extern_prefix}

  6030. #define BUILDSUF "$build_suffix"

  6031. #define SLIBSUF "$SLIBSUF"

  6032. #define HAVE_MMX2 HAVE_MMXEXT

  6033. #define SWS_MAX_FILTER_SIZE $sws_max_filter_size

  6034. EOF

  6035. 

  6036. test -n "$assert_level" &&

  6037.     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH

  6038. 

  6039. test -n "$malloc_prefix" &&

  6040.     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH

  6041. 

  6042. if enabled yasm; then

  6043.     append config_files $TMPASM

  6044.     printf '' >$TMPASM

  6045. fi

  6046. 

  6047. enabled getenv || echo "#define getenv(x) NULL" >> $TMPH

  6048. 

  6049. 

  6050. mkdir -p doc

  6051. mkdir -p tests

  6052. mkdir -p tests/api

  6053. echo "@c auto-generated by configure" > doc/config.texi

  6054. 

  6055. print_config ARCH_   "$config_files" $ARCH_LIST

  6056. print_config HAVE_   "$config_files" $HAVE_LIST

  6057. print_config CONFIG_ "$config_files" $CONFIG_LIST       \

  6058.                                      $CONFIG_EXTRA      \

  6059.                                      $ALL_COMPONENTS    \

  6060. 

  6061. echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH

  6062. echo "endif # FFMPEG_CONFIG_MAK" >> config.mak

  6063. 

  6064. # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.

  6065. cp_if_changed $TMPH config.h

  6066. touch .config

  6067. 

  6068. enabled yasm && cp_if_changed $TMPASM config.asm

  6069. 

  6070. cat > $TMPH <<EOF

  6071. /* Generated by ffconf */

  6072. #ifndef AVUTIL_AVCONFIG_H

  6073. #define AVUTIL_AVCONFIG_H

  6074. EOF

  6075. 

  6076. print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB

  6077. 

  6078. echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH

  6079. 

  6080. cp_if_changed $TMPH libavutil/avconfig.h

  6081. 

  6082. if test -n "$WARNINGS"; then

  6083.     printf "\n$WARNINGS"

  6084.     enabled fatal_warnings && exit 1

  6085. fi

  6086. 

  6087. # build pkg-config files

  6088. 

  6089. lib_version(){

  6090.     eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""

  6091. }

  6092. 

  6093. pkgconfig_generate(){

  6094.     name=$1

  6095.     shortname=${name#lib}${build_suffix}

  6096.     comment=$2

  6097.     version=$3

  6098.     libs=$4

  6099.     requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))

  6100.     requires=${requires%, }

  6101.     enabled ${name#lib} || return 0

  6102.     mkdir -p $name

  6103.     cat <<EOF > $name/$name${build_suffix}.pc

  6104. prefix=$prefix

  6105. exec_prefix=\${prefix}

  6106. libdir=$libdir

  6107. includedir=$incdir

  6108. 

  6109. Name: $name

  6110. Description: $comment

  6111. Version: $version

  6112. Requires: $(enabled shared || echo $requires)

  6113. Requires.private: $(enabled shared && echo $requires)

  6114. Conflicts:

  6115. Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)

  6116. Libs.private: $(enabled shared && echo $libs)

  6117. Cflags: -I\${includedir}

  6118. EOF

  6119. 

  6120. mkdir -p doc/examples/pc-uninstalled

  6121. includedir=${source_path}

  6122. [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."

  6123.     cat <<EOF > doc/examples/pc-uninstalled/$name.pc

  6124. prefix=

  6125. exec_prefix=

  6126. libdir=\${pcfiledir}/../../../$name

  6127. includedir=${includedir}

  6128. 

  6129. Name: $name

  6130. Description: $comment

  6131. Version: $version

  6132. Requires: $requires

  6133. Conflicts:

  6134. Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)

  6135. Cflags: -I\${includedir}

  6136. EOF

  6137. }

  6138. 

  6139. pkgconfig_generate libavutil     "FFmpeg utility library"               "$LIBAVUTIL_VERSION"     "$LIBRT $LIBM"

  6140. pkgconfig_generate libavcodec    "FFmpeg codec library"                 "$LIBAVCODEC_VERSION"    "$extralibs"

  6141. pkgconfig_generate libavformat   "FFmpeg container format library"      "$LIBAVFORMAT_VERSION"   "$extralibs"

  6142. pkgconfig_generate libavdevice   "FFmpeg device handling library"       "$LIBAVDEVICE_VERSION"   "$extralibs"

  6143. pkgconfig_generate libavfilter   "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION"   "$extralibs"

  6144. pkgconfig_generate libpostproc   "FFmpeg postprocessing library"        "$LIBPOSTPROC_VERSION"   ""

  6145. pkgconfig_generate libavresample "Libav audio resampling library"       "$LIBAVRESAMPLE_VERSION" "$LIBM"

  6146. pkgconfig_generate libswscale    "FFmpeg image rescaling library"       "$LIBSWSCALE_VERSION"    "$LIBM"

  6147. pkgconfig_generate libswresample "FFmpeg audio resampling library"      "$LIBSWRESAMPLE_VERSION" "$LIBM"