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

  91.                            not part of the dynamic linker search path

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

  93. 

  94. Licensing options:

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

  96.                            and binaries will be under GPL [no]

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

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

  99.                            and binaries will be unredistributable [no]

  100. 

  101. Configuration options:

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

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

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

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

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

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

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

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

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

  111. 

  112. Program options:

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

  114.   --disable-ffmpeg         disable ffmpeg build

  115.   --disable-ffplay         disable ffplay build

  116.   --disable-ffprobe        disable ffprobe build

  117.   --disable-ffserver       disable ffserver build

  118. 

  119. Documentation options:

  120.   --disable-doc            do not build documentation

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

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

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

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

  125. 

  126. Component options:

  127.   --disable-avdevice       disable libavdevice build

  128.   --disable-avcodec        disable libavcodec build

  129.   --disable-avformat       disable libavformat build

  130.   --disable-avutil         disable libavutil build

  131.   --disable-swresample     disable libswresample build

  132.   --disable-swscale        disable libswscale build

  133.   --disable-postproc       disable libpostproc build

  134.   --disable-avfilter       disable libavfilter build

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

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

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

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

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

  140.   --disable-dct            disable DCT code

  141.   --disable-dwt            disable DWT code

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

  143.   --disable-lsp            disable LSP code

  144.   --disable-lzo            disable LZO decoder code

  145.   --disable-mdct           disable MDCT code

  146.   --disable-rdft           disable RDFT code

  147.   --disable-fft            disable FFT code

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

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

  150. 

  151. Hardware accelerators:

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

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

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

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

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

  157. 

  158. Individual component options:

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

  160.   --disable-encoder=NAME   disable encoder NAME

  161.   --enable-encoder=NAME    enable encoder NAME

  162.   --disable-encoders       disable all encoders

  163.   --disable-decoder=NAME   disable decoder NAME

  164.   --enable-decoder=NAME    enable decoder NAME

  165.   --disable-decoders       disable all decoders

  166.   --disable-hwaccel=NAME   disable hwaccel NAME

  167.   --enable-hwaccel=NAME    enable hwaccel NAME

  168.   --disable-hwaccels       disable all hwaccels

  169.   --disable-muxer=NAME     disable muxer NAME

  170.   --enable-muxer=NAME      enable muxer NAME

  171.   --disable-muxers         disable all muxers

  172.   --disable-demuxer=NAME   disable demuxer NAME

  173.   --enable-demuxer=NAME    enable demuxer NAME

  174.   --disable-demuxers       disable all demuxers

  175.   --enable-parser=NAME     enable parser NAME

  176.   --disable-parser=NAME    disable parser NAME

  177.   --disable-parsers        disable all parsers

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

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

  180.   --disable-bsfs           disable all bitstream filters

  181.   --enable-protocol=NAME   enable protocol NAME

  182.   --disable-protocol=NAME  disable protocol NAME

  183.   --disable-protocols      disable all protocols

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

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

  186.   --disable-indevs         disable input devices

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

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

  189.   --disable-outdevs        disable output devices

  190.   --disable-devices        disable all devices

  191.   --enable-filter=NAME     enable filter NAME

  192.   --disable-filter=NAME    disable filter NAME

  193.   --disable-filters        disable all filters

  194. 

  195. External library support:

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

  197.   --disable-bzlib          disable bzlib [autodetect]

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

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

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

  201.                            if openssl is not used [no]

  202.   --disable-iconv          disable iconv [autodetect]

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

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

  205.   --enable-libass          enable libass subtitles rendering,

  206.                            needed for subtitles and ass filter [no]

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

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

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

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

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

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

  213.                            and libraw1394 [no]

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

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

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

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

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

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

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

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

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

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

  224.   --enable-libmfx          enable HW acceleration through libmfx

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

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

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

  228.                            native (de)muxer exists [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  253.                            native implementation exists [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  268.   --disable-lzma           disable lzma [autodetect]

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

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

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

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

  273.   --enable-opencl          enable OpenCL code

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

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

  276.                            if gnutls is not used [no]

  277.   --disable-sdl            disable sdl [autodetect]

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

  279.   --disable-xlib           disable xlib [autodetect]

  280.   --disable-zlib           disable zlib [autodetect]

  281. 

  282. Toolchain options:

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

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

  285.                            instruction selection, may crash on older CPUs)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  328. 

  329. Advanced options (experts only):

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

  331.   --disable-symver         disable symbol versioning

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

  333.   --disable-safe-bitstream-reader

  334.                            disable buffer boundary checking in bitreaders

  335.                            (faster, but may crash)

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

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

  338. 

  339. Optimization options (experts only):

  340.   --disable-asm            disable all assembly optimizations

  341.   --disable-altivec        disable AltiVec optimizations

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

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

  344.   --disable-mmx            disable MMX optimizations

  345.   --disable-mmxext         disable MMXEXT optimizations

  346.   --disable-sse            disable SSE optimizations

  347.   --disable-sse2           disable SSE2 optimizations

  348.   --disable-sse3           disable SSE3 optimizations

  349.   --disable-ssse3          disable SSSE3 optimizations

  350.   --disable-sse4           disable SSE4 optimizations

  351.   --disable-sse42          disable SSE4.2 optimizations

  352.   --disable-avx            disable AVX optimizations

  353.   --disable-xop            disable XOP optimizations

  354.   --disable-fma3           disable FMA3 optimizations

  355.   --disable-fma4           disable FMA4 optimizations

  356.   --disable-avx2           disable AVX2 optimizations

  357.   --disable-armv5te        disable armv5te optimizations

  358.   --disable-armv6          disable armv6 optimizations

  359.   --disable-armv6t2        disable armv6t2 optimizations

  360.   --disable-vfp            disable VFP optimizations

  361.   --disable-neon           disable NEON optimizations

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

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

  364.   --disable-mips32r5       disable MIPS32R5 optimizations

  365.   --disable-mips64r6       disable MIPS64R6 optimizations

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

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

  368.   --disable-msa            disable MSA optimizations

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

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

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

  372. 

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

  374.   --disable-debug          disable debugging symbols

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

  376.   --disable-optimizations  disable compiler optimizations

  377.   --enable-extra-warnings  enable more compiler warnings

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

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

  380.                            2 causes a slowdown at runtime.

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

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

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

  384.                            Cannot be combined with --target-exec

  385.   --enable-ftrapv          Trap arithmetic overflows

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

  387.                            \$FATE_SAMPLES at make invocation time.

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

  389.                            used only for debugging purposes)

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

  391.                            should be used only for debugging purposes)

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

  393.   --disable-random

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

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

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

  397.                            (group) and PROB the probability associated with

  398.                            NAME (default 0.5).

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

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

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

  402. 

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

  404. EOF

  405.   exit 0

  406. }

  407. 

  408. quotes='""'

  409. 

  410. log(){

  411.     echo "$@" >> $logfile

  412. }

  413. 

  414. log_file(){

  415.     log BEGIN $1

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

  417.     log END $1

  418. }

  419. 

  420. echolog(){

  421.     log "$@"

  422.     echo "$@"

  423. }

  424. 

  425. warn(){

  426.     log "WARNING: $*"

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

  428. }

  429. 

  430. die(){

  431.     echolog "$@"

  432.     cat <<EOF

  433. 

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

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

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

  437. EOF

  438.     if disabled logging; then

  439.         cat <<EOF

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

  441. include the log this produces with your report.

  442. EOF

  443.     else

  444.         cat <<EOF

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

  446. solve the problem.

  447. EOF

  448.     fi

  449.     exit 1

  450. }

  451. 

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

  453. toupper(){

  454.     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ

  455. }

  456. 

  457. tolower(){

  458.     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz

  459. }

  460. 

  461. c_escape(){

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

  463. }

  464. 

  465. sh_quote(){

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

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

  468.     echo "$v"

  469. }

  470. 

  471. cleanws(){

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

  473. }

  474. 

  475. filter(){

  476.     pat=$1

  477.     shift

  478.     for v; do

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

  480.     done

  481. }

  482. 

  483. filter_out(){

  484.     pat=$1

  485.     shift

  486.     for v; do

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

  488.     done

  489. }

  490. 

  491. map(){

  492.     m=$1

  493.     shift

  494.     for v; do eval $m; done

  495. }

  496. 

  497. add_suffix(){

  498.     suffix=$1

  499.     shift

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

  501. }

  502. 

  503. set_all(){

  504.     value=$1

  505.     shift

  506.     for var in $*; do

  507.         eval $var=$value

  508.     done

  509. }

  510. 

  511. set_weak(){

  512.     value=$1

  513.     shift

  514.     for var; do

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

  516.     done

  517. }

  518. 

  519. sanitize_var_name(){

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

  521. }

  522. 

  523. set_safe(){

  524.     var=$1

  525.     shift

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

  527. }

  528. 

  529. get_safe(){

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

  531. }

  532. 

  533. pushvar(){

  534.     for pvar in $*; do

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

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

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

  538.     done

  539. }

  540. 

  541. popvar(){

  542.     for pvar in $*; do

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

  544.         test $level = 0 && continue

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

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

  547.         eval ${pvar}_level=$level

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

  549.     done

  550. }

  551. 

  552. enable(){

  553.     set_all yes $*

  554. }

  555. 

  556. disable(){

  557.     set_all no $*

  558. }

  559. 

  560. enable_weak(){

  561.     set_weak yes $*

  562. }

  563. 

  564. disable_weak(){

  565.     set_weak no $*

  566. }

  567. 

  568. enable_safe(){

  569.     for var; do

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

  571.     done

  572. }

  573. 

  574. disable_safe(){

  575.     for var; do

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

  577.     done

  578. }

  579. 

  580. do_enable_deep(){

  581.     for var; do

  582.         enabled $var && continue

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

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

  585.         pushvar var sgs

  586.         enable_deep $sel

  587.         popvar sgs

  588.         enable_deep_weak $sgs

  589.         popvar var

  590.     done

  591. }

  592. 

  593. enable_deep(){

  594.     do_enable_deep $*

  595.     enable $*

  596. }

  597. 

  598. enable_deep_weak(){

  599.     for var; do

  600.         disabled $var && continue

  601.         pushvar var

  602.         do_enable_deep $var

  603.         popvar var

  604.         enable_weak $var

  605.     done

  606. }

  607. 

  608. enabled(){

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

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

  611. }

  612. 

  613. disabled(){

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

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

  616. }

  617. 

  618. enabled_all(){

  619.     for opt; do

  620.         enabled $opt || return 1

  621.     done

  622. }

  623. 

  624. disabled_all(){

  625.     for opt; do

  626.         disabled $opt || return 1

  627.     done

  628. }

  629. 

  630. enabled_any(){

  631.     for opt; do

  632.         enabled $opt && return 0

  633.     done

  634. }

  635. 

  636. disabled_any(){

  637.     for opt; do

  638.         disabled $opt && return 0

  639.     done

  640.     return 1

  641. }

  642. 

  643. set_default(){

  644.     for opt; do

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

  646.     done

  647. }

  648. 

  649. is_in(){

  650.     value=$1

  651.     shift

  652.     for var in $*; do

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

  654.     done

  655.     return 1

  656. }

  657. 

  658. do_check_deps(){

  659.     for cfg; do

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

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

  662.         disabled ${cfg}_checking && continue

  663.         enable ${cfg}_checking

  664.         append allopts $cfg

  665. 

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

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

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

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

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

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

  672. 

  673.         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

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

  675.         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

  676. 

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

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

  679.         enabled_all  $dep_all || disable $cfg

  680.         enabled_any  $dep_any || disable $cfg

  681.         disabled_any $dep_sel && disable $cfg

  682. 

  683.         if enabled $cfg; then

  684.             enable_deep $dep_sel

  685.             enable_deep_weak $dep_sgs

  686.         fi

  687. 

  688.         disable ${cfg}_checking

  689.     done

  690. }

  691. 

  692. check_deps(){

  693.     unset allopts

  694. 

  695.     do_check_deps "$@"

  696. 

  697.     for cfg in $allopts; do

  698.         enabled $cfg || continue

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

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

  701.     done

  702. }

  703. 

  704. print_config(){

  705.     pfx=$1

  706.     files=$2

  707.     shift 2

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

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

  710.         {

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

  712.             v = \$2;

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

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

  715.             for (f in files) {

  716.                 file = files[f];

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

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

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

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

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

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

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

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

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

  726.                     yesno = \$2;

  727.                     c2 = tolower(c);

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

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

  730.                 }

  731.             }

  732.         }"

  733. }

  734. 

  735. print_enabled(){

  736.     suf=$1

  737.     shift

  738.     for v; do

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

  740.     done

  741. }

  742. 

  743. append(){

  744.     var=$1

  745.     shift

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

  747. }

  748. 

  749. prepend(){

  750.     var=$1

  751.     shift

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

  753. }

  754. 

  755. unique(){

  756.     var=$1

  757.     uniq_list=""

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

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

  760.     done

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

  762. }

  763. 

  764. add_cppflags(){

  765.     append CPPFLAGS "$@"

  766. }

  767. 

  768. add_cflags(){

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

  770. }

  771. 

  772. add_cxxflags(){

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

  774. }

  775. 

  776. add_asflags(){

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

  778. }

  779. 

  780. add_ldflags(){

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

  782. }

  783. 

  784. add_ldexeflags(){

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

  786. }

  787. 

  788. add_stripflags(){

  789.     append ASMSTRIPFLAGS "$@"

  790. }

  791. 

  792. add_extralibs(){

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

  794. }

  795. 

  796. add_host_cppflags(){

  797.     append host_cppflags "$@"

  798. }

  799. 

  800. add_host_cflags(){

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

  802. }

  803. 

  804. add_host_ldflags(){

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

  806. }

  807. 

  808. add_compat(){

  809.     append compat_objs $1

  810.     shift

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

  812. }

  813. 

  814. check_cmd(){

  815.     log "$@"

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

  817. }

  818. 

  819. check_stat(){

  820.     log check_stat "$@"

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

  822. }

  823. 

  824. cc_o(){

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

  826. }

  827. 

  828. cc_e(){

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

  830. }

  831. 

  832. check_cc(){

  833.     log check_cc "$@"

  834.     cat > $TMPC

  835.     log_file $TMPC

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

  837. }

  838. 

  839. check_cxx(){

  840.     log check_cxx "$@"

  841.     cat > $TMPCPP

  842.     log_file $TMPCPP

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

  844. }

  845. 

  846. check_oc(){

  847.     log check_oc "$@"

  848.     cat > $TMPM

  849.     log_file $TMPM

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

  851. }

  852. 

  853. check_cpp(){

  854.     log check_cpp "$@"

  855.     cat > $TMPC

  856.     log_file $TMPC

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

  858. }

  859. 

  860. as_o(){

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

  862. }

  863. 

  864. check_as(){

  865.     log check_as "$@"

  866.     cat > $TMPS

  867.     log_file $TMPS

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

  869. }

  870. 

  871. check_inline_asm(){

  872.     log check_inline_asm "$@"

  873.     name="$1"

  874.     code="$2"

  875.     shift 2

  876.     disable $name

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

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

  879. EOF

  880. }

  881. 

  882. check_insn(){

  883.     log check_insn "$@"

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

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

  886. }

  887. 

  888. check_yasm(){

  889.     log check_yasm "$@"

  890.     echo "$1" > $TMPS

  891.     log_file $TMPS

  892.     shift 1

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

  894. }

  895. 

  896. ld_o(){

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

  898. }

  899. 

  900. check_ld(){

  901.     log check_ld "$@"

  902.     type=$1

  903.     shift 1

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

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

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

  907.     flags=$($ldflags_filter $flags)

  908.     libs=$($ldflags_filter $libs)

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

  910. }

  911. 

  912. print_include(){

  913.     hdr=$1

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

  915.         echo "#include $hdr"    ||

  916.         echo "#include <$hdr>"

  917. }

  918. 

  919. check_code(){

  920.     log check_code "$@"

  921.     check=$1

  922.     headers=$2

  923.     code=$3

  924.     shift 3

  925.     {

  926.         for hdr in $headers; do

  927.             print_include $hdr

  928.         done

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

  930.     } | check_$check "$@"

  931. }

  932. 

  933. check_cppflags(){

  934.     log check_cppflags "$@"

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

  936. int x;

  937. EOF

  938. }

  939. 

  940. test_cflags(){

  941.     log test_cflags "$@"

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

  943.     check_cc "$@" <<EOF

  944. int x;

  945. EOF

  946. }

  947. 

  948. check_cflags(){

  949.     log check_cflags "$@"

  950.     test_cflags "$@" && add_cflags "$@"

  951. }

  952. 

  953. check_cxxflags(){

  954.     log check_cxxflags "$@"

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

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

  957. int x;

  958. EOF

  959. }

  960. 

  961. test_ldflags(){

  962.     log test_ldflags "$@"

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

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

  965. EOF

  966. }

  967. 

  968. check_ldflags(){

  969.     log check_ldflags "$@"

  970.     test_ldflags "$@" && add_ldflags "$@"

  971. }

  972. 

  973. test_stripflags(){

  974.     log test_stripflags "$@"

  975.     # call check_cc to get a fresh TMPO

  976.     check_cc <<EOF

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

  978. EOF

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

  980. }

  981. 

  982. check_stripflags(){

  983.     log check_stripflags "$@"

  984.     test_stripflags "$@" && add_stripflags "$@"

  985. }

  986. 

  987. check_header(){

  988.     log check_header "$@"

  989.     header=$1

  990.     shift

  991.     disable_safe $header

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

  993. #include <$header>

  994. int x;

  995. EOF

  996. }

  997. 

  998. check_header_oc(){

  999.     log check_header_oc "$@"

  1000.     rm -f -- "$TMPO"

  1001.     header=$1

  1002.     shift

  1003.     disable_safe $header

  1004.     {

  1005.        echo "#include <$header>"

  1006.        echo "int main(void) { return 0; }"

  1007.     } | check_oc && check_stat "$TMPO" && enable_safe $headers

  1008. }

  1009. 

  1010. check_func(){

  1011.     log check_func "$@"

  1012.     func=$1

  1013.     shift

  1014.     disable $func

  1015.     check_ld "cc" "$@" <<EOF && enable $func

  1016. extern int $func();

  1017. int main(void){ $func(); }

  1018. EOF

  1019. }

  1020. 

  1021. check_mathfunc(){

  1022.     log check_mathfunc "$@"

  1023.     func=$1

  1024.     narg=$2

  1025.     shift 2

  1026.     test $narg = 2 && args="f, g" || args="f"

  1027.     disable $func

  1028.     check_ld "cc" "$@" <<EOF && enable $func

  1029. #include <math.h>

  1030. float foo(float f, float g) { return $func($args); }

  1031. int main(void){ return (int) foo; }

  1032. EOF

  1033. }

  1034. 

  1035. check_func_headers(){

  1036.     log check_func_headers "$@"

  1037.     headers=$1

  1038.     funcs=$2

  1039.     shift 2

  1040.     {

  1041.         for hdr in $headers; do

  1042.             print_include $hdr

  1043.         done

  1044.         for func in $funcs; do

  1045.             echo "long check_$func(void) { return (long) $func; }"

  1046.         done

  1047.         echo "int main(void) { return 0; }"

  1048.     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers

  1049. }

  1050. 

  1051. check_class_headers_cpp(){

  1052.     log check_class_headers_cpp "$@"

  1053.     headers=$1

  1054.     classes=$2

  1055.     shift 2

  1056.     {

  1057.         for hdr in $headers; do

  1058.             echo "#include <$hdr>"

  1059.         done

  1060.         echo "int main(void) { "

  1061.         i=1

  1062.         for class in $classes; do

  1063.             echo "$class obj$i;"

  1064.             i=$(expr $i + 1)

  1065.         done

  1066.         echo "return 0; }"

  1067.     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers

  1068. }

  1069. 

  1070. check_cpp_condition(){

  1071.     log check_cpp_condition "$@"

  1072.     header=$1

  1073.     condition=$2

  1074.     shift 2

  1075.     check_cpp "$@" <<EOF

  1076. #include <$header>

  1077. #if !($condition)

  1078. #error "unsatisfied condition: $condition"

  1079. #endif

  1080. EOF

  1081. }

  1082. 

  1083. check_lib(){

  1084.     log check_lib "$@"

  1085.     header="$1"

  1086.     func="$2"

  1087.     shift 2

  1088.     check_header $header && check_func $func "$@" && add_extralibs "$@"

  1089. }

  1090. 

  1091. check_lib2(){

  1092.     log check_lib2 "$@"

  1093.     headers="$1"

  1094.     funcs="$2"

  1095.     shift 2

  1096.     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"

  1097. }

  1098. 

  1099. check_lib_cpp(){

  1100.     log check_lib_cpp "$@"

  1101.     headers="$1"

  1102.     classes="$2"

  1103.     shift 2

  1104.     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"

  1105. }

  1106. 

  1107. check_pkg_config(){

  1108.     log check_pkg_config "$@"

  1109.     pkgandversion="$1"

  1110.     pkg="${1%% *}"

  1111.     headers="$2"

  1112.     funcs="$3"

  1113.     shift 3

  1114.     check_cmd $pkg_config --exists --print-errors $pkgandversion || return

  1115.     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)

  1116.     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)

  1117.     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&

  1118.         set_safe ${pkg}_cflags $pkg_cflags   &&

  1119.         set_safe ${pkg}_libs   $pkg_libs

  1120. }

  1121. 

  1122. check_exec(){

  1123.     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }

  1124. }

  1125. 

  1126. check_exec_crash(){

  1127.     code=$(cat)

  1128. 

  1129.     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)

  1130.     # are safe but may not be available everywhere.  Thus we use

  1131.     # raise(SIGTERM) instead.  The check is run in a subshell so we

  1132.     # can redirect the "Terminated" message from the shell.  SIGBUS

  1133.     # is not defined by standard C so it is used conditionally.

  1134. 

  1135.     (check_exec "$@") >> $logfile 2>&1 <<EOF

  1136. #include <signal.h>

  1137. static void sighandler(int sig){

  1138.     raise(SIGTERM);

  1139. }

  1140. int foo(void){

  1141.     $code

  1142. }

  1143. int (*func_ptr)(void) = foo;

  1144. int main(void){

  1145.     signal(SIGILL, sighandler);

  1146.     signal(SIGFPE, sighandler);

  1147.     signal(SIGSEGV, sighandler);

  1148. #ifdef SIGBUS

  1149.     signal(SIGBUS, sighandler);

  1150. #endif

  1151.     return func_ptr();

  1152. }

  1153. EOF

  1154. }

  1155. 

  1156. check_type(){

  1157.     log check_type "$@"

  1158.     headers=$1

  1159.     type=$2

  1160.     shift 2

  1161.     disable_safe "$type"

  1162.     check_code cc "$headers" "$type v" "$@" && enable_safe "$type"

  1163. }

  1164. 

  1165. check_struct(){

  1166.     log check_struct "$@"

  1167.     headers=$1

  1168.     struct=$2

  1169.     member=$3

  1170.     shift 3

  1171.     disable_safe "${struct}_${member}"

  1172.     check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&

  1173.         enable_safe "${struct}_${member}"

  1174. }

  1175. 

  1176. check_builtin(){

  1177.     log check_builtin "$@"

  1178.     name=$1

  1179.     headers=$2

  1180.     builtin=$3

  1181.     shift 3

  1182.     disable "$name"

  1183.     check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"

  1184. }

  1185. 

  1186. check_compile_assert(){

  1187.     log check_compile_assert "$@"

  1188.     name=$1

  1189.     headers=$2

  1190.     condition=$3

  1191.     shift 3

  1192.     disable "$name"

  1193.     check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"

  1194. }

  1195. 

  1196. require(){

  1197.     name="$1"

  1198.     header="$2"

  1199.     func="$3"

  1200.     shift 3

  1201.     check_lib $header $func "$@" || die "ERROR: $name not found"

  1202. }

  1203. 

  1204. require2(){

  1205.     name="$1"

  1206.     headers="$2"

  1207.     func="$3"

  1208.     shift 3

  1209.     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"

  1210. }

  1211. 

  1212. require_cpp(){

  1213.     name="$1"

  1214.     headers="$2"

  1215.     classes="$3"

  1216.     shift 3

  1217.     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"

  1218. }

  1219. 

  1220. use_pkg_config(){

  1221.     pkg="$1"

  1222.     check_pkg_config "$@" || return 1

  1223.     add_cflags    $(get_safe ${pkg}_cflags)

  1224.     add_extralibs $(get_safe ${pkg}_libs)

  1225. }

  1226. 

  1227. require_pkg_config(){

  1228.     use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"

  1229. }

  1230. 

  1231. require_libfreetype(){

  1232.     log require_libfreetype "$@"

  1233.     pkg="freetype2"

  1234.     check_cmd $pkg_config --exists --print-errors $pkg \

  1235.       || die "ERROR: $pkg not found"

  1236.     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)

  1237.     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)

  1238.     {

  1239.         echo "#include <ft2build.h>"

  1240.         echo "#include FT_FREETYPE_H"

  1241.         echo "long check_func(void) { return (long) FT_Init_FreeType; }"

  1242.         echo "int main(void) { return 0; }"

  1243.     } | check_ld "cc" $pkg_cflags $pkg_libs \

  1244.       && set_safe ${pkg}_cflags $pkg_cflags \

  1245.       && set_safe ${pkg}_libs   $pkg_libs \

  1246.       || die "ERROR: $pkg not found"

  1247.     add_cflags    $(get_safe ${pkg}_cflags)

  1248.     add_extralibs $(get_safe ${pkg}_libs)

  1249. }

  1250. 

  1251. hostcc_e(){

  1252.     eval printf '%s\\n' $HOSTCC_E

  1253. }

  1254. 

  1255. hostcc_o(){

  1256.     eval printf '%s\\n' $HOSTCC_O

  1257. }

  1258. 

  1259. check_host_cc(){

  1260.     log check_host_cc "$@"

  1261.     cat > $TMPC

  1262.     log_file $TMPC

  1263.     check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC

  1264. }

  1265. 

  1266. check_host_cpp(){

  1267.     log check_host_cpp "$@"

  1268.     cat > $TMPC

  1269.     log_file $TMPC

  1270.     check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC

  1271. }

  1272. 

  1273. check_host_cppflags(){

  1274.     log check_host_cppflags "$@"

  1275.     check_host_cc "$@" <<EOF && append host_cppflags "$@"

  1276. int x;

  1277. EOF

  1278. }

  1279. 

  1280. check_host_cflags(){

  1281.     log check_host_cflags "$@"

  1282.     set -- $($host_cflags_filter "$@")

  1283.     check_host_cc "$@" <<EOF && append host_cflags "$@"

  1284. int x;

  1285. EOF

  1286. }

  1287. 

  1288. check_host_cpp_condition(){

  1289.     log check_host_cpp_condition "$@"

  1290.     header=$1

  1291.     condition=$2

  1292.     shift 2

  1293.     check_host_cpp "$@" <<EOF

  1294. #include <$header>

  1295. #if !($condition)

  1296. #error "unsatisfied condition: $condition"

  1297. #endif

  1298. EOF

  1299. }

  1300. 

  1301. apply(){

  1302.     file=$1

  1303.     shift

  1304.     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"

  1305. }

  1306. 

  1307. cp_if_changed(){

  1308.     cmp -s "$1" "$2" && echo "$2 is unchanged" && return

  1309.     mkdir -p "$(dirname $2)"

  1310.     $cp_f "$1" "$2"

  1311. }

  1312. 

  1313. # CONFIG_LIST contains configurable options, while HAVE_LIST is for

  1314. # system-dependent things.

  1315. 

  1316. COMPONENT_LIST="

  1317.     bsfs

  1318.     decoders

  1319.     demuxers

  1320.     encoders

  1321.     filters

  1322.     hwaccels

  1323.     indevs

  1324.     muxers

  1325.     outdevs

  1326.     parsers

  1327.     protocols

  1328. "

  1329. 

  1330. EXAMPLE_LIST="

  1331.     avio_reading_example

  1332.     avio_list_dir_example

  1333.     decoding_encoding_example

  1334.     demuxing_decoding_example

  1335.     extract_mvs_example

  1336.     filter_audio_example

  1337.     filtering_audio_example

  1338.     filtering_video_example

  1339.     metadata_example

  1340.     muxing_example

  1341.     qsvdec_example

  1342.     remuxing_example

  1343.     resampling_audio_example

  1344.     scaling_video_example

  1345.     transcode_aac_example

  1346.     transcoding_example

  1347. "

  1348. 

  1349. EXTERNAL_LIBRARY_LIST="

  1350.     avisynth

  1351.     bzlib

  1352.     crystalhd

  1353.     decklink

  1354.     frei0r

  1355.     gnutls

  1356.     iconv

  1357.     ladspa

  1358.     libaacplus

  1359.     libass

  1360.     libbluray

  1361.     libbs2b

  1362.     libcaca

  1363.     libcdio

  1364.     libcelt

  1365.     libdc1394

  1366.     libdcadec

  1367.     libfaac

  1368.     libfdk_aac

  1369.     libflite

  1370.     libfontconfig

  1371.     libfreetype

  1372.     libfribidi

  1373.     libgme

  1374.     libgsm

  1375.     libiec61883

  1376.     libilbc

  1377.     libmfx

  1378.     libmodplug

  1379.     libmp3lame

  1380.     libnut

  1381.     libopencore_amrnb

  1382.     libopencore_amrwb

  1383.     libopencv

  1384.     libopenh264

  1385.     libopenjpeg

  1386.     libopus

  1387.     libpulse

  1388.     libquvi

  1389.     librtmp

  1390.     libschroedinger

  1391.     libshine

  1392.     libsmbclient

  1393.     libsoxr

  1394.     libspeex

  1395.     libssh

  1396.     libstagefright_h264

  1397.     libtheora

  1398.     libtwolame

  1399.     libutvideo

  1400.     libv4l2

  1401.     libvidstab

  1402.     libvo_aacenc

  1403.     libvo_amrwbenc

  1404.     libvorbis

  1405.     libvpx

  1406.     libwavpack

  1407.     libwebp

  1408.     libx264

  1409.     libx265

  1410.     libxavs

  1411.     libxcb

  1412.     libxcb_shm

  1413.     libxcb_shape

  1414.     libxcb_xfixes

  1415.     libxvid

  1416.     libzmq

  1417.     libzvbi

  1418.     lzma

  1419.     mmal

  1420.     nvenc

  1421.     openal

  1422.     opencl

  1423.     opengl

  1424.     openssl

  1425.     sdl

  1426.     x11grab

  1427.     xlib

  1428.     zlib

  1429. "

  1430. 

  1431. DOCUMENT_LIST="

  1432.     doc

  1433.     htmlpages

  1434.     manpages

  1435.     podpages

  1436.     txtpages

  1437. "

  1438. 

  1439. FEATURE_LIST="

  1440.     ftrapv

  1441.     gray

  1442.     hardcoded_tables

  1443.     runtime_cpudetect

  1444.     safe_bitstream_reader

  1445.     shared

  1446.     small

  1447.     static

  1448.     swscale_alpha

  1449. "

  1450. 

  1451. HWACCEL_LIST="

  1452.     d3d11va

  1453.     dxva2

  1454.     vaapi

  1455.     vda

  1456.     vdpau

  1457.     xvmc

  1458. "

  1459. 

  1460. LIBRARY_LIST="

  1461.     avcodec

  1462.     avdevice

  1463.     avfilter

  1464.     avformat

  1465.     avresample

  1466.     avutil

  1467.     postproc

  1468.     swresample

  1469.     swscale

  1470. "

  1471. 

  1472. LICENSE_LIST="

  1473.     gpl

  1474.     nonfree

  1475.     version3

  1476. "

  1477. 

  1478. PROGRAM_LIST="

  1479.     ffplay

  1480.     ffprobe

  1481.     ffserver

  1482.     ffmpeg

  1483. "

  1484. 

  1485. SUBSYSTEM_LIST="

  1486.     dct

  1487.     dwt

  1488.     error_resilience

  1489.     faan

  1490.     fast_unaligned

  1491.     fft

  1492.     lsp

  1493.     lzo

  1494.     mdct

  1495.     pixelutils

  1496.     network

  1497.     rdft

  1498. "

  1499. 

  1500. CONFIG_LIST="

  1501.     $COMPONENT_LIST

  1502.     $DOCUMENT_LIST

  1503.     $EXAMPLE_LIST

  1504.     $EXTERNAL_LIBRARY_LIST

  1505.     $FEATURE_LIST

  1506.     $HWACCEL_LIST

  1507.     $LICENSE_LIST

  1508.     $LIBRARY_LIST

  1509.     $PROGRAM_LIST

  1510.     $SUBSYSTEM_LIST

  1511.     fontconfig

  1512.     incompatible_libav_abi

  1513.     memalign_hack

  1514.     memory_poisoning

  1515.     neon_clobber_test

  1516.     pic

  1517.     pod2man

  1518.     raise_major

  1519.     thumb

  1520.     valgrind_backtrace

  1521.     xmm_clobber_test

  1522. "

  1523. 

  1524. THREADS_LIST="

  1525.     pthreads

  1526.     os2threads

  1527.     w32threads

  1528. "

  1529. 

  1530. ATOMICS_LIST="

  1531.     atomics_gcc

  1532.     atomics_suncc

  1533.     atomics_win32

  1534. "

  1535. 

  1536. ARCH_LIST="

  1537.     aarch64

  1538.     alpha

  1539.     arm

  1540.     avr32

  1541.     avr32_ap

  1542.     avr32_uc

  1543.     bfin

  1544.     ia64

  1545.     m68k

  1546.     mips

  1547.     mips64

  1548.     parisc

  1549.     ppc

  1550.     ppc64

  1551.     s390

  1552.     sh4

  1553.     sparc

  1554.     sparc64

  1555.     tilegx

  1556.     tilepro

  1557.     tomi

  1558.     x86

  1559.     x86_32

  1560.     x86_64

  1561. "

  1562. 

  1563. ARCH_EXT_LIST_ARM="

  1564.     armv5te

  1565.     armv6

  1566.     armv6t2

  1567.     armv8

  1568.     neon

  1569.     vfp

  1570.     vfpv3

  1571.     setend

  1572. "

  1573. 

  1574. ARCH_EXT_LIST_MIPS="

  1575.     mipsfpu

  1576.     mips32r2

  1577.     mips32r5

  1578.     mips64r6

  1579.     mipsdspr1

  1580.     mipsdspr2

  1581.     msa

  1582. "

  1583. 

  1584. ARCH_EXT_LIST_LOONGSON="

  1585.     loongson3

  1586. "

  1587. 

  1588. ARCH_EXT_LIST_X86_SIMD="

  1589.     amd3dnow

  1590.     amd3dnowext

  1591.     avx

  1592.     avx2

  1593.     fma3

  1594.     fma4

  1595.     mmx

  1596.     mmxext

  1597.     sse

  1598.     sse2

  1599.     sse3

  1600.     sse4

  1601.     sse42

  1602.     ssse3

  1603.     xop

  1604. "

  1605. 

  1606. ARCH_EXT_LIST_PPC="

  1607.     altivec

  1608.     dcbzl

  1609.     ldbrx

  1610.     ppc4xx

  1611.     vsx

  1612. "

  1613. 

  1614. ARCH_EXT_LIST_X86="

  1615.     $ARCH_EXT_LIST_X86_SIMD

  1616.     cpunop

  1617.     i686

  1618. "

  1619. 

  1620. ARCH_EXT_LIST="

  1621.     $ARCH_EXT_LIST_ARM

  1622.     $ARCH_EXT_LIST_PPC

  1623.     $ARCH_EXT_LIST_X86

  1624.     $ARCH_EXT_LIST_MIPS

  1625.     $ARCH_EXT_LIST_LOONGSON

  1626. "

  1627. 

  1628. ARCH_FEATURES="

  1629.     aligned_stack

  1630.     fast_64bit

  1631.     fast_clz

  1632.     fast_cmov

  1633.     local_aligned_8

  1634.     local_aligned_16

  1635.     local_aligned_32

  1636.     simd_align_16

  1637. "

  1638. 

  1639. BUILTIN_LIST="

  1640.     atomic_cas_ptr

  1641.     atomic_compare_exchange

  1642.     machine_rw_barrier

  1643.     MemoryBarrier

  1644.     mm_empty

  1645.     rdtsc

  1646.     sarestart

  1647.     sync_val_compare_and_swap

  1648. "

  1649. HAVE_LIST_CMDLINE="

  1650.     inline_asm

  1651.     symver

  1652.     yasm

  1653. "

  1654. 

  1655. HAVE_LIST_PUB="

  1656.     bigendian

  1657.     fast_unaligned

  1658.     incompatible_libav_abi

  1659. "

  1660. 

  1661. HEADERS_LIST="

  1662.     alsa_asoundlib_h

  1663.     altivec_h

  1664.     arpa_inet_h

  1665.     asm_types_h

  1666.     cdio_paranoia_h

  1667.     cdio_paranoia_paranoia_h

  1668.     dev_bktr_ioctl_bt848_h

  1669.     dev_bktr_ioctl_meteor_h

  1670.     dev_ic_bt8xx_h

  1671.     dev_video_bktr_ioctl_bt848_h

  1672.     dev_video_meteor_ioctl_meteor_h

  1673.     direct_h

  1674.     dlfcn_h

  1675.     d3d11_h

  1676.     dxva_h

  1677.     ES2_gl_h

  1678.     gsm_h

  1679.     io_h

  1680.     mach_mach_time_h

  1681.     machine_ioctl_bt848_h

  1682.     machine_ioctl_meteor_h

  1683.     malloc_h

  1684.     openjpeg_1_5_openjpeg_h

  1685.     OpenGL_gl3_h

  1686.     poll_h

  1687.     sndio_h

  1688.     soundcard_h

  1689.     sys_mman_h

  1690.     sys_param_h

  1691.     sys_resource_h

  1692.     sys_select_h

  1693.     sys_soundcard_h

  1694.     sys_time_h

  1695.     sys_un_h

  1696.     sys_videoio_h

  1697.     termios_h

  1698.     udplite_h

  1699.     unistd_h

  1700.     valgrind_valgrind_h

  1701.     windows_h

  1702.     winsock2_h

  1703. "

  1704. 

  1705. INTRINSICS_LIST="

  1706.     intrinsics_neon

  1707. "

  1708. 

  1709. MATH_FUNCS="

  1710.     atanf

  1711.     atan2f

  1712.     cbrt

  1713.     cbrtf

  1714.     cosf

  1715.     exp2

  1716.     exp2f

  1717.     expf

  1718.     isinf

  1719.     isnan

  1720.     ldexpf

  1721.     llrint

  1722.     llrintf

  1723.     log2

  1724.     log2f

  1725.     log10f

  1726.     lrint

  1727.     lrintf

  1728.     powf

  1729.     rint

  1730.     round

  1731.     roundf

  1732.     sinf

  1733.     trunc

  1734.     truncf

  1735. "

  1736. 

  1737. SYSTEM_FUNCS="

  1738.     access

  1739.     aligned_malloc

  1740.     clock_gettime

  1741.     closesocket

  1742.     CommandLineToArgvW

  1743.     CoTaskMemFree

  1744.     CryptGenRandom

  1745.     dlopen

  1746.     fcntl

  1747.     flt_lim

  1748.     fork

  1749.     getaddrinfo

  1750.     gethrtime

  1751.     getopt

  1752.     GetProcessAffinityMask

  1753.     GetProcessMemoryInfo

  1754.     GetProcessTimes

  1755.     getrusage

  1756.     getservbyport

  1757.     GetSystemTimeAsFileTime

  1758.     gettimeofday

  1759.     glob

  1760.     glXGetProcAddress

  1761.     gmtime_r

  1762.     inet_aton

  1763.     isatty

  1764.     jack_port_get_latency_range

  1765.     kbhit

  1766.     localtime_r

  1767.     lzo1x_999_compress

  1768.     mach_absolute_time

  1769.     MapViewOfFile

  1770.     memalign

  1771.     mkstemp

  1772.     mmap

  1773.     mprotect

  1774.     nanosleep

  1775.     PeekNamedPipe

  1776.     posix_memalign

  1777.     pthread_cancel

  1778.     sched_getaffinity

  1779.     SetConsoleTextAttribute

  1780.     setmode

  1781.     setrlimit

  1782.     Sleep

  1783.     strerror_r

  1784.     sysconf

  1785.     sysctl

  1786.     usleep

  1787.     VirtualAlloc

  1788.     wglGetProcAddress

  1789. "

  1790. 

  1791. TOOLCHAIN_FEATURES="

  1792.     as_dn_directive

  1793.     as_func

  1794.     as_object_arch

  1795.     asm_mod_q

  1796.     attribute_may_alias

  1797.     attribute_packed

  1798.     ebp_available

  1799.     ebx_available

  1800.     gnu_as

  1801.     gnu_windres

  1802.     ibm_asm

  1803.     inline_asm_labels

  1804.     inline_asm_nonlocal_labels

  1805.     inline_asm_direct_symbol_refs

  1806.     pragma_deprecated

  1807.     rsync_contimeout

  1808.     symver_asm_label

  1809.     symver_gnu_asm

  1810.     vfp_args

  1811.     xform_asm

  1812.     xmm_clobbers

  1813. "

  1814. 

  1815. TYPES_LIST="

  1816.     CONDITION_VARIABLE_Ptr

  1817.     DXVA_PicParams_HEVC

  1818.     socklen_t

  1819.     struct_addrinfo

  1820.     struct_group_source_req

  1821.     struct_ip_mreq_source

  1822.     struct_ipv6_mreq

  1823.     struct_pollfd

  1824.     struct_rusage_ru_maxrss

  1825.     struct_sctp_event_subscribe

  1826.     struct_sockaddr_in6

  1827.     struct_sockaddr_sa_len

  1828.     struct_sockaddr_storage

  1829.     struct_stat_st_mtim_tv_nsec

  1830.     struct_v4l2_frmivalenum_discrete

  1831. "

  1832. 

  1833. HAVE_LIST="

  1834.     $ARCH_EXT_LIST

  1835.     $(add_suffix _external $ARCH_EXT_LIST)

  1836.     $(add_suffix _inline   $ARCH_EXT_LIST)

  1837.     $ARCH_FEATURES

  1838.     $ATOMICS_LIST

  1839.     $BUILTIN_LIST

  1840.     $HAVE_LIST_CMDLINE

  1841.     $HAVE_LIST_PUB

  1842.     $HEADERS_LIST

  1843.     $INTRINSICS_LIST

  1844.     $MATH_FUNCS

  1845.     $SYSTEM_FUNCS

  1846.     $THREADS_LIST

  1847.     $TOOLCHAIN_FEATURES

  1848.     $TYPES_LIST

  1849.     atomics_native

  1850.     dos_paths

  1851.     d3d11_cobj

  1852.     d3d11va_lib

  1853.     dxva2api_cobj

  1854.     dxva2_lib

  1855.     libc_msvcrt

  1856.     libdc1394_1

  1857.     libdc1394_2

  1858.     makeinfo

  1859.     makeinfo_html

  1860.     perl

  1861.     pod2man

  1862.     sdl

  1863.     section_data_rel_ro

  1864.     texi2html

  1865.     threads

  1866.     vaapi_x11

  1867.     vdpau_x11

  1868.     xlib

  1869. "

  1870. 

  1871. # options emitted with CONFIG_ prefix but not available on the command line

  1872. CONFIG_EXTRA="

  1873.     aandcttables

  1874.     ac3dsp

  1875.     audio_frame_queue

  1876.     audiodsp

  1877.     blockdsp

  1878.     bswapdsp

  1879.     cabac

  1880.     dvprofile

  1881.     exif

  1882.     faandct

  1883.     faanidct

  1884.     fdctdsp

  1885.     fmtconvert

  1886.     frame_thread_encoder

  1887.     gcrypt

  1888.     golomb

  1889.     gplv3

  1890.     h263dsp

  1891.     h264chroma

  1892.     h264dsp

  1893.     h264pred

  1894.     h264qpel

  1895.     hpeldsp

  1896.     huffman

  1897.     huffyuvdsp

  1898.     huffyuvencdsp

  1899.     idctdsp

  1900.     iirfilter

  1901.     imdct15

  1902.     intrax8

  1903.     jpegtables

  1904.     lgplv3

  1905.     llauddsp

  1906.     llviddsp

  1907.     lpc

  1908.     me_cmp

  1909.     mpeg_er

  1910.     mpegaudio

  1911.     mpegaudiodsp

  1912.     mpegvideo

  1913.     mpegvideoenc

  1914.     nettle

  1915.     pixblockdsp

  1916.     qpeldsp

  1917.     qsv

  1918.     qsvdec

  1919.     qsvenc

  1920.     rangecoder

  1921.     riffdec

  1922.     riffenc

  1923.     rtpdec

  1924.     rtpenc_chain

  1925.     sinewin

  1926.     startcode

  1927.     tpeldsp

  1928.     videodsp

  1929.     vp3dsp

  1930.     wma_freqs

  1931. "

  1932. 

  1933. CMDLINE_SELECT="

  1934.     $ARCH_EXT_LIST

  1935.     $CONFIG_LIST

  1936.     $HAVE_LIST_CMDLINE

  1937.     $THREADS_LIST

  1938.     asm

  1939.     cross_compile

  1940.     debug

  1941.     extra_warnings

  1942.     logging

  1943.     lto

  1944.     optimizations

  1945.     rpath

  1946.     stripping

  1947. "

  1948. 

  1949. PATHS_LIST="

  1950.     bindir

  1951.     datadir

  1952.     docdir

  1953.     incdir

  1954.     libdir

  1955.     mandir

  1956.     prefix

  1957.     shlibdir

  1958. "

  1959. 

  1960. CMDLINE_SET="

  1961.     $PATHS_LIST

  1962.     ar

  1963.     arch

  1964.     as

  1965.     assert_level

  1966.     build_suffix

  1967.     cc

  1968.     cpu

  1969.     cross_prefix

  1970.     cxx

  1971.     dep_cc

  1972.     doxygen

  1973.     extra_version

  1974.     gas

  1975.     host_cc

  1976.     host_cflags

  1977.     host_ld

  1978.     host_ldflags

  1979.     host_libs

  1980.     host_os

  1981.     install

  1982.     ld

  1983.     logfile

  1984.     malloc_prefix

  1985.     nm

  1986.     optflags

  1987.     pkg_config

  1988.     pkg_config_flags

  1989.     progs_suffix

  1990.     random_seed

  1991.     ranlib

  1992.     samples

  1993.     strip

  1994.     sws_max_filter_size

  1995.     sysinclude

  1996.     sysroot

  1997.     target_exec

  1998.     target_os

  1999.     target_path

  2000.     target_samples

  2001.     tempprefix

  2002.     toolchain

  2003.     valgrind

  2004.     yasmexe

  2005. "

  2006. 

  2007. CMDLINE_APPEND="

  2008.     extra_cflags

  2009.     extra_cxxflags

  2010.     host_cppflags

  2011. "

  2012. 

  2013. # code dependency declarations

  2014. 

  2015. # architecture extensions

  2016. 

  2017. armv5te_deps="arm"

  2018. armv6_deps="arm"

  2019. armv6t2_deps="arm"

  2020. armv8_deps="aarch64"

  2021. neon_deps_any="aarch64 arm"

  2022. intrinsics_neon_deps="neon"

  2023. vfp_deps_any="aarch64 arm"

  2024. vfpv3_deps="vfp"

  2025. setend_deps="arm"

  2026. 

  2027. map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM

  2028. 

  2029. mipsfpu_deps="mips"

  2030. mipsdspr1_deps="mips"

  2031. mipsdspr2_deps="mips"

  2032. mips32r2_deps="mips"

  2033. mips32r5_deps="mips"

  2034. mips64r6_deps="mips"

  2035. msa_deps="mips"

  2036. loongson3_deps="mips"

  2037. 

  2038. altivec_deps="ppc"

  2039. dcbzl_deps="ppc"

  2040. ldbrx_deps="ppc"

  2041. ppc4xx_deps="ppc"

  2042. vsx_deps="ppc"

  2043. 

  2044. cpunop_deps="i686"

  2045. x86_64_select="i686"

  2046. x86_64_suggest="fast_cmov"

  2047. 

  2048. amd3dnow_deps="mmx"

  2049. amd3dnowext_deps="amd3dnow"

  2050. i686_deps="x86"

  2051. mmx_deps="x86"

  2052. mmxext_deps="mmx"

  2053. sse_deps="mmxext"

  2054. sse2_deps="sse"

  2055. sse3_deps="sse2"

  2056. ssse3_deps="sse3"

  2057. sse4_deps="ssse3"

  2058. sse42_deps="sse4"

  2059. avx_deps="sse42"

  2060. xop_deps="avx"

  2061. fma3_deps="avx"

  2062. fma4_deps="avx"

  2063. avx2_deps="avx"

  2064. 

  2065. mmx_external_deps="yasm"

  2066. mmx_inline_deps="inline_asm"

  2067. mmx_suggest="mmx_external mmx_inline"

  2068. 

  2069. for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do

  2070.     eval dep=\$${ext}_deps

  2071.     eval ${ext}_external_deps='"${dep}_external"'

  2072.     eval ${ext}_inline_deps='"${dep}_inline"'

  2073.     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'

  2074. done

  2075. 

  2076. aligned_stack_if_any="aarch64 ppc x86"

  2077. fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"

  2078. fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"

  2079. fast_unaligned_if_any="aarch64 ppc x86"

  2080. simd_align_16_if_any="altivec neon sse"

  2081. 

  2082. # system capabilities

  2083. symver_if_any="symver_asm_label symver_gnu_asm"

  2084. valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"

  2085. 

  2086. # threading support

  2087. atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"

  2088. atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"

  2089. atomics_win32_if="MemoryBarrier"

  2090. atomics_native_if_any="$ATOMICS_LIST"

  2091. w32threads_deps="atomics_native"

  2092. threads_if_any="$THREADS_LIST"

  2093. 

  2094. # subsystems

  2095. dct_select="rdft"

  2096. error_resilience_select="me_cmp"

  2097. faandct_deps="faan fdctdsp"

  2098. faanidct_deps="faan idctdsp"

  2099. frame_thread_encoder_deps="encoders threads"

  2100. intrax8_select="error_resilience"

  2101. mdct_select="fft"

  2102. rdft_select="fft"

  2103. me_cmp_select="fdctdsp idctdsp pixblockdsp"

  2104. mpeg_er_select="error_resilience"

  2105. mpegaudio_select="mpegaudiodsp"

  2106. mpegaudiodsp_select="dct"

  2107. mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp videodsp"

  2108. mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"

  2109. qsvdec_select="qsv"

  2110. qsvenc_select="qsv"

  2111. 

  2112. # decoders / encoders

  2113. aac_decoder_select="imdct15 mdct sinewin"

  2114. aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"

  2115. aac_latm_decoder_select="aac_decoder aac_latm_parser"

  2116. ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"

  2117. ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"

  2118. ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2119. ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2120. aic_decoder_select="golomb idctdsp"

  2121. alac_encoder_select="lpc"

  2122. als_decoder_select="bswapdsp"

  2123. amrnb_decoder_select="lsp"

  2124. amrwb_decoder_select="lsp"

  2125. amv_decoder_select="sp5x_decoder exif"

  2126. amv_encoder_select="aandcttables jpegtables mpegvideoenc"

  2127. ape_decoder_select="bswapdsp llauddsp"

  2128. apng_decoder_select="zlib"

  2129. apng_encoder_select="huffyuvencdsp zlib"

  2130. asv1_decoder_select="blockdsp bswapdsp idctdsp"

  2131. asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2132. asv2_decoder_select="blockdsp bswapdsp idctdsp"

  2133. asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2134. atrac1_decoder_select="mdct sinewin"

  2135. atrac3_decoder_select="mdct"

  2136. atrac3p_decoder_select="mdct sinewin"

  2137. avrn_decoder_select="exif jpegtables"

  2138. bink_decoder_select="blockdsp hpeldsp"

  2139. binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"

  2140. binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"

  2141. cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"

  2142. cllc_decoder_select="bswapdsp"

  2143. comfortnoise_encoder_select="lpc"

  2144. cook_decoder_select="audiodsp mdct sinewin"

  2145. cscd_decoder_select="lzo"

  2146. cscd_decoder_suggest="zlib"

  2147. dca_decoder_select="fmtconvert mdct"

  2148. dirac_decoder_select="dwt golomb videodsp mpegvideoenc"

  2149. dnxhd_decoder_select="blockdsp idctdsp"

  2150. dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"

  2151. dvvideo_decoder_select="dvprofile idctdsp"

  2152. dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"

  2153. dxa_decoder_select="zlib"

  2154. eac3_decoder_select="ac3_decoder"

  2155. eac3_encoder_select="ac3_encoder"

  2156. eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"

  2157. eatgq_decoder_select="aandcttables"

  2158. eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"

  2159. exr_decoder_select="zlib"

  2160. ffv1_decoder_select="golomb rangecoder"

  2161. ffv1_encoder_select="rangecoder"

  2162. ffvhuff_decoder_select="huffyuv_decoder"

  2163. ffvhuff_encoder_select="huffyuv_encoder"

  2164. fic_decoder_select="golomb"

  2165. flac_decoder_select="golomb"

  2166. flac_encoder_select="bswapdsp golomb lpc"

  2167. flashsv_decoder_select="zlib"

  2168. flashsv_encoder_select="zlib"

  2169. flashsv2_encoder_select="zlib"

  2170. flashsv2_decoder_select="zlib"

  2171. flv_decoder_select="h263_decoder"

  2172. flv_encoder_select="h263_encoder"

  2173. fourxm_decoder_select="blockdsp bswapdsp"

  2174. fraps_decoder_select="bswapdsp huffman"

  2175. g2m_decoder_select="blockdsp idctdsp jpegtables zlib"

  2176. g729_decoder_select="audiodsp"

  2177. h261_decoder_select="mpeg_er mpegvideo"

  2178. h261_encoder_select="aandcttables mpegvideoenc"

  2179. h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"

  2180. h263_encoder_select="aandcttables h263dsp mpegvideoenc"

  2181. h263i_decoder_select="h263_decoder"

  2182. h263p_decoder_select="h263_decoder"

  2183. h263p_encoder_select="h263_encoder"

  2184. h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"

  2185. h264_decoder_suggest="error_resilience"

  2186. h264_qsv_decoder_deps="libmfx"

  2187. h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"

  2188. h264_qsv_encoder_deps="libmfx"

  2189. h264_qsv_encoder_select="qsvenc"

  2190. hevc_decoder_select="bswapdsp cabac golomb videodsp"

  2191. huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"

  2192. huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"

  2193. iac_decoder_select="imc_decoder"

  2194. imc_decoder_select="bswapdsp fft mdct sinewin"

  2195. indeo3_decoder_select="hpeldsp"

  2196. interplay_video_decoder_select="hpeldsp"

  2197. jpegls_decoder_select="golomb mjpeg_decoder"

  2198. jpegls_encoder_select="golomb"

  2199. jv_decoder_select="blockdsp"

  2200. lagarith_decoder_select="huffyuvdsp"

  2201. ljpeg_encoder_select="aandcttables idctdsp jpegtables"

  2202. loco_decoder_select="golomb"

  2203. mdec_decoder_select="blockdsp idctdsp mpegvideo"

  2204. metasound_decoder_select="lsp mdct sinewin"

  2205. mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"

  2206. mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"

  2207. mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"

  2208. mjpegb_decoder_select="mjpeg_decoder"

  2209. mlp_decoder_select="mlp_parser"

  2210. motionpixels_decoder_select="bswapdsp"

  2211. mp1_decoder_select="mpegaudio"

  2212. mp1float_decoder_select="mpegaudio"

  2213. mp2_decoder_select="mpegaudio"

  2214. mp2float_decoder_select="mpegaudio"

  2215. mp3_decoder_select="mpegaudio"

  2216. mp3adu_decoder_select="mpegaudio"

  2217. mp3adufloat_decoder_select="mpegaudio"

  2218. mp3float_decoder_select="mpegaudio"

  2219. mp3on4_decoder_select="mpegaudio"

  2220. mp3on4float_decoder_select="mpegaudio"

  2221. mpc7_decoder_select="bswapdsp mpegaudiodsp"

  2222. mpc8_decoder_select="mpegaudiodsp"

  2223. mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"

  2224. mpeg_xvmc_decoder_select="mpeg2video_decoder"

  2225. mpegvideo_decoder_select="error_resilience mpeg_er mpegvideo"

  2226. mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"

  2227. mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2228. mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"

  2229. mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2230. mpeg4_decoder_select="h263_decoder mpeg4video_parser"

  2231. mpeg4_encoder_select="h263_encoder"

  2232. msmpeg4v1_decoder_select="h263_decoder"

  2233. msmpeg4v2_decoder_select="h263_decoder"

  2234. msmpeg4v2_encoder_select="h263_encoder"

  2235. msmpeg4v3_decoder_select="h263_decoder"

  2236. msmpeg4v3_encoder_select="h263_encoder"

  2237. mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"

  2238. mxpeg_decoder_select="mjpeg_decoder"

  2239. nellymoser_decoder_select="mdct sinewin"

  2240. nellymoser_encoder_select="audio_frame_queue mdct sinewin"

  2241. nuv_decoder_select="idctdsp lzo"

  2242. on2avc_decoder_select="mdct"

  2243. opus_decoder_deps="swresample"

  2244. opus_decoder_select="imdct15"

  2245. png_decoder_select="zlib"

  2246. png_encoder_select="huffyuvencdsp zlib"

  2247. prores_decoder_select="blockdsp idctdsp"

  2248. prores_encoder_select="fdctdsp"

  2249. qcelp_decoder_select="lsp"

  2250. qdm2_decoder_select="mdct rdft mpegaudiodsp"

  2251. ra_144_encoder_select="audio_frame_queue lpc audiodsp"

  2252. ra_144_decoder_select="audiodsp"

  2253. ralf_decoder_select="golomb"

  2254. rawvideo_decoder_select="bswapdsp"

  2255. rtjpeg_decoder_select="me_cmp"

  2256. rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"

  2257. rv10_encoder_select="h263_encoder"

  2258. rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"

  2259. rv20_encoder_select="h263_encoder"

  2260. rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"

  2261. rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"

  2262. shorten_decoder_select="golomb"

  2263. sipr_decoder_select="lsp"

  2264. snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"

  2265. snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"

  2266. sonic_decoder_select="golomb rangecoder"

  2267. sonic_encoder_select="golomb rangecoder"

  2268. sonic_ls_encoder_select="golomb rangecoder"

  2269. sp5x_decoder_select="mjpeg_decoder"

  2270. svq1_decoder_select="hpeldsp"

  2271. svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"

  2272. svq3_decoder_select="h264_decoder hpeldsp tpeldsp"

  2273. svq3_decoder_suggest="zlib"

  2274. tak_decoder_select="audiodsp"

  2275. tdsc_decoder_select="zlib mjpeg_decoder"

  2276. theora_decoder_select="vp3_decoder"

  2277. thp_decoder_select="mjpeg_decoder"

  2278. tiff_decoder_suggest="zlib lzma"

  2279. tiff_encoder_suggest="zlib"

  2280. truehd_decoder_select="mlp_parser"

  2281. truemotion2_decoder_select="bswapdsp"

  2282. truespeech_decoder_select="bswapdsp"

  2283. tscc_decoder_select="zlib"

  2284. twinvq_decoder_select="mdct lsp sinewin"

  2285. utvideo_decoder_select="bswapdsp"

  2286. utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"

  2287. vble_decoder_select="huffyuvdsp"

  2288. vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode"

  2289. vc1image_decoder_select="vc1_decoder"

  2290. vorbis_decoder_select="mdct"

  2291. vorbis_encoder_select="mdct"

  2292. vp3_decoder_select="hpeldsp vp3dsp videodsp"

  2293. vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"

  2294. vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"

  2295. vp6a_decoder_select="vp6_decoder"

  2296. vp6f_decoder_select="vp6_decoder"

  2297. vp7_decoder_select="h264pred videodsp"

  2298. vp8_decoder_select="h264pred videodsp"

  2299. vp9_decoder_select="videodsp vp9_parser"

  2300. webp_decoder_select="vp8_decoder"

  2301. wmalossless_decoder_select="llauddsp"

  2302. wmapro_decoder_select="mdct sinewin wma_freqs"

  2303. wmav1_decoder_select="mdct sinewin wma_freqs"

  2304. wmav1_encoder_select="mdct sinewin wma_freqs"

  2305. wmav2_decoder_select="mdct sinewin wma_freqs"

  2306. wmav2_encoder_select="mdct sinewin wma_freqs"

  2307. wmavoice_decoder_select="lsp rdft dct mdct sinewin"

  2308. wmv1_decoder_select="h263_decoder"

  2309. wmv1_encoder_select="h263_encoder"

  2310. wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp"

  2311. wmv2_encoder_select="h263_encoder"

  2312. wmv3_decoder_select="vc1_decoder"

  2313. wmv3image_decoder_select="wmv3_decoder"

  2314. zerocodec_decoder_select="zlib"

  2315. zlib_decoder_select="zlib"

  2316. zlib_encoder_select="zlib"

  2317. zmbv_decoder_select="zlib"

  2318. zmbv_encoder_select="zlib"

  2319. 

  2320. # hardware accelerators

  2321. crystalhd_deps="libcrystalhd_libcrystalhd_if_h"

  2322. d3d11va_deps="d3d11_h dxva_h"

  2323. dxva2_deps="dxva2api_h"

  2324. vaapi_deps="va_va_h"

  2325. vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"

  2326. vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"

  2327. vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"

  2328. xvmc_deps="X11_extensions_XvMClib_h"

  2329. 

  2330. h263_vaapi_hwaccel_deps="vaapi"

  2331. h263_vaapi_hwaccel_select="h263_decoder"

  2332. h263_vdpau_hwaccel_deps="vdpau"

  2333. h263_vdpau_hwaccel_select="h263_decoder"

  2334. h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"

  2335. h264_d3d11va_hwaccel_deps="d3d11va"

  2336. h264_d3d11va_hwaccel_select="h264_decoder"

  2337. h264_dxva2_hwaccel_deps="dxva2"

  2338. h264_dxva2_hwaccel_select="h264_decoder"

  2339. h264_mmal_decoder_deps="mmal"

  2340. h264_mmal_hwaccel_deps="mmal"

  2341. h264_mmal_decoder_select="h264_decoder"

  2342. h264_mmal_encoder_deps="mmal"

  2343. h264_qsv_hwaccel_deps="libmfx"

  2344. h264_vaapi_hwaccel_deps="vaapi"

  2345. h264_vaapi_hwaccel_select="h264_decoder"

  2346. h264_vda_decoder_deps="vda"

  2347. h264_vda_decoder_select="h264_decoder"

  2348. h264_vda_hwaccel_deps="vda"

  2349. h264_vda_hwaccel_select="h264_decoder"

  2350. h264_vda_old_hwaccel_deps="vda"

  2351. h264_vda_old_hwaccel_select="h264_decoder"

  2352. h264_vdpau_decoder_deps="vdpau"

  2353. h264_vdpau_decoder_select="h264_decoder"

  2354. h264_vdpau_hwaccel_deps="vdpau"

  2355. h264_vdpau_hwaccel_select="h264_decoder"

  2356. hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"

  2357. hevc_d3d11va_hwaccel_select="hevc_decoder"

  2358. hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"

  2359. hevc_dxva2_hwaccel_select="hevc_decoder"

  2360. mpeg_vdpau_decoder_deps="vdpau"

  2361. mpeg_vdpau_decoder_select="mpeg2video_decoder"

  2362. mpeg_xvmc_hwaccel_deps="xvmc"

  2363. mpeg_xvmc_hwaccel_select="mpeg2video_decoder"

  2364. mpeg1_vdpau_decoder_deps="vdpau"

  2365. mpeg1_vdpau_decoder_select="mpeg1video_decoder"

  2366. mpeg1_vdpau_hwaccel_deps="vdpau"

  2367. mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"

  2368. mpeg1_xvmc_hwaccel_deps="xvmc"

  2369. mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"

  2370. mpeg2_crystalhd_decoder_select="crystalhd"

  2371. mpeg2_d3d11va_hwaccel_deps="d3d11va"

  2372. mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"

  2373. mpeg2_dxva2_hwaccel_deps="dxva2"

  2374. mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"

  2375. mpeg2_vaapi_hwaccel_deps="vaapi"

  2376. mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"

  2377. mpeg2_vdpau_hwaccel_deps="vdpau"

  2378. mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"

  2379. mpeg2_xvmc_hwaccel_deps="xvmc"

  2380. mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"

  2381. mpeg4_crystalhd_decoder_select="crystalhd"

  2382. mpeg4_vaapi_hwaccel_deps="vaapi"

  2383. mpeg4_vaapi_hwaccel_select="mpeg4_decoder"

  2384. mpeg4_vdpau_decoder_deps="vdpau"

  2385. mpeg4_vdpau_decoder_select="mpeg4_decoder"

  2386. mpeg4_vdpau_hwaccel_deps="vdpau"

  2387. mpeg4_vdpau_hwaccel_select="mpeg4_decoder"

  2388. msmpeg4_crystalhd_decoder_select="crystalhd"

  2389. vc1_crystalhd_decoder_select="crystalhd"

  2390. vc1_d3d11va_hwaccel_deps="d3d11va"

  2391. vc1_d3d11va_hwaccel_select="vc1_decoder"

  2392. vc1_dxva2_hwaccel_deps="dxva2"

  2393. vc1_dxva2_hwaccel_select="vc1_decoder"

  2394. vc1_vaapi_hwaccel_deps="vaapi"

  2395. vc1_vaapi_hwaccel_select="vc1_decoder"

  2396. vc1_vdpau_decoder_deps="vdpau"

  2397. vc1_vdpau_decoder_select="vc1_decoder"

  2398. vc1_vdpau_hwaccel_deps="vdpau"

  2399. vc1_vdpau_hwaccel_select="vc1_decoder"

  2400. wmv3_crystalhd_decoder_select="crystalhd"

  2401. wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"

  2402. wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"

  2403. wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"

  2404. wmv3_vdpau_decoder_select="vc1_vdpau_decoder"

  2405. wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"

  2406. 

  2407. # parsers

  2408. h264_parser_select="h264_decoder"

  2409. hevc_parser_select="hevc_decoder"

  2410. mpegvideo_parser_select="mpegvideo"

  2411. mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"

  2412. vc1_parser_select="mpegvideo startcode vc1_decoder"

  2413. 

  2414. # bitstream_filters

  2415. mjpeg2jpeg_bsf_select="jpegtables"

  2416. 

  2417. # external libraries

  2418. libaacplus_encoder_deps="libaacplus"

  2419. libcelt_decoder_deps="libcelt"

  2420. libdcadec_decoder_deps="libdcadec"

  2421. libfaac_encoder_deps="libfaac"

  2422. libfaac_encoder_select="audio_frame_queue"

  2423. libfdk_aac_decoder_deps="libfdk_aac"

  2424. libfdk_aac_encoder_deps="libfdk_aac"

  2425. libfdk_aac_encoder_select="audio_frame_queue"

  2426. libgme_demuxer_deps="libgme"

  2427. libgsm_decoder_deps="libgsm"

  2428. libgsm_encoder_deps="libgsm"

  2429. libgsm_ms_decoder_deps="libgsm"

  2430. libgsm_ms_encoder_deps="libgsm"

  2431. libilbc_decoder_deps="libilbc"

  2432. libilbc_encoder_deps="libilbc"

  2433. libmodplug_demuxer_deps="libmodplug"

  2434. libmp3lame_encoder_deps="libmp3lame"

  2435. libmp3lame_encoder_select="audio_frame_queue"

  2436. libopencore_amrnb_decoder_deps="libopencore_amrnb"

  2437. libopencore_amrnb_encoder_deps="libopencore_amrnb"

  2438. libopencore_amrnb_encoder_select="audio_frame_queue"

  2439. libopencore_amrwb_decoder_deps="libopencore_amrwb"

  2440. libopenh264_encoder_deps="libopenh264"

  2441. libopenjpeg_decoder_deps="libopenjpeg"

  2442. libopenjpeg_encoder_deps="libopenjpeg"

  2443. libopus_decoder_deps="libopus"

  2444. libopus_encoder_deps="libopus"

  2445. libopus_encoder_select="audio_frame_queue"

  2446. libquvi_demuxer_deps="libquvi"

  2447. libschroedinger_decoder_deps="libschroedinger"

  2448. libschroedinger_encoder_deps="libschroedinger"

  2449. libshine_encoder_deps="libshine"

  2450. libshine_encoder_select="audio_frame_queue"

  2451. libspeex_decoder_deps="libspeex"

  2452. libspeex_encoder_deps="libspeex"

  2453. libspeex_encoder_select="audio_frame_queue"

  2454. libstagefright_h264_decoder_deps="libstagefright_h264"

  2455. libtheora_encoder_deps="libtheora"

  2456. libtwolame_encoder_deps="libtwolame"

  2457. libvo_aacenc_encoder_deps="libvo_aacenc"

  2458. libvo_aacenc_encoder_select="audio_frame_queue"

  2459. libvo_amrwbenc_encoder_deps="libvo_amrwbenc"

  2460. libvorbis_decoder_deps="libvorbis"

  2461. libvorbis_encoder_deps="libvorbis"

  2462. libvorbis_encoder_select="audio_frame_queue"

  2463. libvpx_vp8_decoder_deps="libvpx"

  2464. libvpx_vp8_encoder_deps="libvpx"

  2465. libvpx_vp9_decoder_deps="libvpx"

  2466. libvpx_vp9_encoder_deps="libvpx"

  2467. libwavpack_encoder_deps="libwavpack"

  2468. libwebp_encoder_deps="libwebp"

  2469. libwebp_anim_encoder_deps="libwebp"

  2470. libx264_encoder_deps="libx264"

  2471. libx264rgb_encoder_deps="libx264"

  2472. libx264rgb_encoder_select="libx264_encoder"

  2473. libx265_encoder_deps="libx265"

  2474. libxavs_encoder_deps="libxavs"

  2475. libxvid_encoder_deps="libxvid"

  2476. libutvideo_decoder_deps="libutvideo"

  2477. libutvideo_encoder_deps="libutvideo"

  2478. libzvbi_teletext_decoder_deps="libzvbi"

  2479. nvenc_encoder_deps="nvenc"

  2480. nvenc_h265_encoder_deps="nvenc"

  2481. 

  2482. # demuxers / muxers

  2483. ac3_demuxer_select="ac3_parser"

  2484. asf_demuxer_select="riffdec"

  2485. asf_muxer_select="riffenc"

  2486. asf_stream_muxer_select="asf_muxer"

  2487. avi_demuxer_select="riffdec exif"

  2488. avi_muxer_select="riffenc"

  2489. avisynth_demuxer_deps="avisynth"

  2490. avisynth_demuxer_select="riffdec"

  2491. caf_demuxer_select="riffdec"

  2492. dash_muxer_select="mp4_muxer"

  2493. dirac_demuxer_select="dirac_parser"

  2494. dts_demuxer_select="dca_parser"

  2495. dtshd_demuxer_select="dca_parser"

  2496. dv_demuxer_select="dvprofile"

  2497. dv_muxer_select="dvprofile"

  2498. dxa_demuxer_select="riffdec"

  2499. eac3_demuxer_select="ac3_parser"

  2500. f4v_muxer_select="mov_muxer"

  2501. flac_demuxer_select="flac_parser"

  2502. hds_muxer_select="flv_muxer"

  2503. hls_muxer_select="mpegts_muxer"

  2504. image2_alias_pix_demuxer_select="image2_demuxer"

  2505. image2_brender_pix_demuxer_select="image2_demuxer"

  2506. ipod_muxer_select="mov_muxer"

  2507. ismv_muxer_select="mov_muxer"

  2508. libnut_demuxer_deps="libnut"

  2509. libnut_muxer_deps="libnut"

  2510. matroska_audio_muxer_select="matroska_muxer"

  2511. matroska_demuxer_select="riffdec"

  2512. matroska_demuxer_suggest="bzlib lzo zlib"

  2513. matroska_muxer_select="riffenc"

  2514. mmf_muxer_select="riffenc"

  2515. mov_demuxer_select="riffdec"

  2516. mov_demuxer_suggest="zlib"

  2517. mov_muxer_select="riffenc rtpenc_chain"

  2518. mp3_demuxer_select="mpegaudio_parser"

  2519. mp4_muxer_select="mov_muxer"

  2520. mpegts_muxer_select="adts_muxer latm_muxer"

  2521. mpegtsraw_demuxer_select="mpegts_demuxer"

  2522. mxf_d10_muxer_select="mxf_muxer"

  2523. mxf_opatom_muxer_select="mxf_muxer"

  2524. nut_muxer_select="riffenc"

  2525. nuv_demuxer_select="riffdec"

  2526. oga_muxer_select="ogg_muxer"

  2527. ogg_demuxer_select="golomb"

  2528. opus_muxer_select="ogg_muxer"

  2529. psp_muxer_select="mov_muxer"

  2530. rtp_demuxer_select="sdp_demuxer"

  2531. rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"

  2532. rtsp_demuxer_select="http_protocol rtpdec"

  2533. rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"

  2534. sap_demuxer_select="sdp_demuxer"

  2535. sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"

  2536. sdp_demuxer_select="rtpdec"

  2537. smoothstreaming_muxer_select="ismv_muxer"

  2538. spdif_muxer_select="aac_parser"

  2539. spx_muxer_select="ogg_muxer"

  2540. tak_demuxer_select="tak_parser"

  2541. tg2_muxer_select="mov_muxer"

  2542. tgp_muxer_select="mov_muxer"

  2543. vobsub_demuxer_select="mpegps_demuxer"

  2544. w64_demuxer_select="wav_demuxer"

  2545. w64_muxer_select="wav_muxer"

  2546. wav_demuxer_select="riffdec"

  2547. wav_muxer_select="riffenc"

  2548. webm_muxer_select="riffenc"

  2549. wtv_demuxer_select="riffdec"

  2550. wtv_muxer_select="riffenc"

  2551. xmv_demuxer_select="riffdec"

  2552. xwma_demuxer_select="riffdec"

  2553. 

  2554. # indevs / outdevs

  2555. alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"

  2556. alsa_outdev_deps="alsa_asoundlib_h"

  2557. avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"

  2558. avfoundation_indev_select="avfoundation"

  2559. bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"

  2560. caca_outdev_deps="libcaca"

  2561. decklink_outdev_deps="decklink pthreads"

  2562. decklink_outdev_extralibs="-lstdc++"

  2563. decklink_indev_deps="decklink pthreads"

  2564. decklink_indev_extralibs="-lstdc++"

  2565. dshow_indev_deps="IBaseFilter"

  2566. dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"

  2567. dv1394_indev_deps="dv1394"

  2568. dv1394_indev_select="dv_demuxer"

  2569. fbdev_indev_deps="linux_fb_h"

  2570. fbdev_outdev_deps="linux_fb_h"

  2571. gdigrab_indev_deps="CreateDIBSection"

  2572. gdigrab_indev_extralibs="-lgdi32"

  2573. gdigrab_indev_select="bmp_decoder"

  2574. iec61883_indev_deps="libiec61883"

  2575. jack_indev_deps="jack_jack_h sem_timedwait"

  2576. lavfi_indev_deps="avfilter"

  2577. libcdio_indev_deps="libcdio"

  2578. libdc1394_indev_deps="libdc1394"

  2579. libv4l2_indev_deps="libv4l2"

  2580. openal_indev_deps="openal"

  2581. opengl_outdev_deps="opengl"

  2582. oss_indev_deps_any="soundcard_h sys_soundcard_h"

  2583. oss_outdev_deps_any="soundcard_h sys_soundcard_h"

  2584. pulse_indev_deps="libpulse"

  2585. pulse_outdev_deps="libpulse"

  2586. qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"

  2587. qtkit_indev_select="qtkit"

  2588. sdl_outdev_deps="sdl"

  2589. sndio_indev_deps="sndio_h"

  2590. sndio_outdev_deps="sndio_h"

  2591. v4l_indev_deps="linux_videodev_h"

  2592. v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"

  2593. v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"

  2594. vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"

  2595. vfwcap_indev_extralibs="-lavicap32"

  2596. xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"

  2597. xv_outdev_extralibs="-lXv -lX11 -lXext"

  2598. x11grab_indev_deps="x11grab"

  2599. x11grab_xcb_indev_deps="libxcb"

  2600. 

  2601. # protocols

  2602. bluray_protocol_deps="libbluray"

  2603. ffrtmpcrypt_protocol_deps="!librtmp_protocol"

  2604. ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"

  2605. ffrtmpcrypt_protocol_select="tcp_protocol"

  2606. ffrtmphttp_protocol_deps="!librtmp_protocol"

  2607. ffrtmphttp_protocol_select="http_protocol"

  2608. ftp_protocol_select="tcp_protocol"

  2609. gopher_protocol_select="network"

  2610. http_protocol_select="tcp_protocol"

  2611. httpproxy_protocol_select="tcp_protocol"

  2612. https_protocol_select="tls_protocol"

  2613. icecast_protocol_select="http_protocol"

  2614. librtmp_protocol_deps="librtmp"

  2615. librtmpe_protocol_deps="librtmp"

  2616. librtmps_protocol_deps="librtmp"

  2617. librtmpt_protocol_deps="librtmp"

  2618. librtmpte_protocol_deps="librtmp"

  2619. libsmbclient_protocol_deps="libsmbclient gplv3"

  2620. libssh_protocol_deps="libssh"

  2621. mmsh_protocol_select="http_protocol"

  2622. mmst_protocol_select="network"

  2623. rtmp_protocol_deps="!librtmp_protocol"

  2624. rtmp_protocol_select="tcp_protocol"

  2625. rtmpe_protocol_select="ffrtmpcrypt_protocol"

  2626. rtmps_protocol_deps="!librtmp_protocol"

  2627. rtmps_protocol_select="tls_protocol"

  2628. rtmpt_protocol_select="ffrtmphttp_protocol"

  2629. rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"

  2630. rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"

  2631. rtp_protocol_select="udp_protocol"

  2632. sctp_protocol_deps="struct_sctp_event_subscribe"

  2633. sctp_protocol_select="network"

  2634. srtp_protocol_select="rtp_protocol"

  2635. tcp_protocol_select="network"

  2636. tls_protocol_deps_any="openssl gnutls"

  2637. tls_protocol_select="tcp_protocol"

  2638. udp_protocol_select="network"

  2639. udplite_protocol_select="network"

  2640. unix_protocol_deps="sys_un_h"

  2641. unix_protocol_select="network"

  2642. 

  2643. # filters

  2644. amovie_filter_deps="avcodec avformat"

  2645. aresample_filter_deps="swresample"

  2646. ass_filter_deps="libass"

  2647. asyncts_filter_deps="avresample"

  2648. atempo_filter_deps="avcodec"

  2649. atempo_filter_select="rdft"

  2650. azmq_filter_deps="libzmq"

  2651. blackframe_filter_deps="gpl"

  2652. boxblur_filter_deps="gpl"

  2653. bs2b_filter_deps="libbs2b"

  2654. colormatrix_filter_deps="gpl"

  2655. cover_rect_filter_deps="avcodec avformat gpl"

  2656. cropdetect_filter_deps="gpl"

  2657. delogo_filter_deps="gpl"

  2658. deshake_filter_select="pixelutils"

  2659. drawtext_filter_deps="libfreetype"

  2660. ebur128_filter_deps="gpl"

  2661. eq_filter_deps="gpl"

  2662. fftfilt_filter_deps="avcodec"

  2663. fftfilt_filter_select="rdft"

  2664. flite_filter_deps="libflite"

  2665. find_rect_filter_deps="avcodec avformat gpl"

  2666. frei0r_filter_deps="frei0r dlopen"

  2667. frei0r_src_filter_deps="frei0r dlopen"

  2668. fspp_filter_deps="gpl"

  2669. geq_filter_deps="gpl"

  2670. histeq_filter_deps="gpl"

  2671. hqdn3d_filter_deps="gpl"

  2672. interlace_filter_deps="gpl"

  2673. kerndeint_filter_deps="gpl"

  2674. ladspa_filter_deps="ladspa dlopen"

  2675. mcdeint_filter_deps="avcodec gpl"

  2676. movie_filter_deps="avcodec avformat"

  2677. mpdecimate_filter_deps="gpl"

  2678. mpdecimate_filter_select="pixelutils"

  2679. mptestsrc_filter_deps="gpl"

  2680. negate_filter_deps="lut_filter"

  2681. perspective_filter_deps="gpl"

  2682. pp7_filter_deps="gpl"

  2683. ocv_filter_deps="libopencv"

  2684. owdenoise_filter_deps="gpl"

  2685. pan_filter_deps="swresample"

  2686. phase_filter_deps="gpl"

  2687. pp_filter_deps="gpl postproc"

  2688. pullup_filter_deps="gpl"

  2689. removelogo_filter_deps="avcodec avformat swscale"

  2690. repeatfields_filter_deps="gpl"

  2691. resample_filter_deps="avresample"

  2692. sab_filter_deps="gpl swscale"

  2693. scale_filter_deps="swscale"

  2694. select_filter_select="pixelutils"

  2695. smartblur_filter_deps="gpl swscale"

  2696. showspectrum_filter_deps="avcodec"

  2697. showspectrum_filter_select="rdft"

  2698. spp_filter_deps="gpl avcodec"

  2699. spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"

  2700. stereo3d_filter_deps="gpl"

  2701. subtitles_filter_deps="avformat avcodec libass"

  2702. super2xsai_filter_deps="gpl"

  2703. tinterlace_filter_deps="gpl"

  2704. vidstabdetect_filter_deps="libvidstab"

  2705. vidstabtransform_filter_deps="libvidstab"

  2706. pixfmts_super2xsai_test_deps="super2xsai_filter"

  2707. tinterlace_merge_test_deps="tinterlace_filter"

  2708. tinterlace_pad_test_deps="tinterlace_filter"

  2709. uspp_filter_deps="gpl avcodec"

  2710. zmq_filter_deps="libzmq"

  2711. zoompan_filter_deps="swscale"

  2712. 

  2713. # examples

  2714. avio_reading="avformat avcodec avutil"

  2715. avio_list_dir="avformat avutil"

  2716. avcodec_example_deps="avcodec avutil"

  2717. decoding_encoding_example_deps="avcodec avformat avutil"

  2718. demuxing_decoding_example_deps="avcodec avformat avutil"

  2719. extract_mvs_example_deps="avcodec avformat avutil"

  2720. filter_audio_example_deps="avfilter avutil"

  2721. filtering_audio_example_deps="avfilter avcodec avformat avutil"

  2722. filtering_video_example_deps="avfilter avcodec avformat avutil"

  2723. metadata_example_deps="avformat avutil"

  2724. muxing_example_deps="avcodec avformat avutil swscale"

  2725. qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"

  2726. remuxing_example_deps="avcodec avformat avutil"

  2727. resampling_audio_example_deps="avutil swresample"

  2728. scaling_video_example_deps="avutil swscale"

  2729. transcode_aac_example_deps="avcodec avformat swresample"

  2730. transcoding_example_deps="avfilter avcodec avformat avutil"

  2731. 

  2732. # libraries, in linking order

  2733. avcodec_deps="avutil"

  2734. avdevice_deps="avformat avcodec avutil"

  2735. avfilter_deps="avutil"

  2736. avformat_deps="avcodec avutil"

  2737. avresample_deps="avutil"

  2738. postproc_deps="avutil gpl"

  2739. swresample_deps="avutil"

  2740. swscale_deps="avutil"

  2741. 

  2742. # programs

  2743. ffmpeg_deps="avcodec avfilter avformat swresample"

  2744. ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter

  2745.                null_filter

  2746.                setpts_filter trim_filter"

  2747. ffplay_deps="avcodec avformat swscale swresample sdl"

  2748. ffplay_libs='$sdl_libs'

  2749. ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"

  2750. ffprobe_deps="avcodec avformat"

  2751. ffserver_deps="avformat fork sarestart"

  2752. ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"

  2753. 

  2754. # documentation

  2755. podpages_deps="perl"

  2756. manpages_deps="perl pod2man"

  2757. htmlpages_deps="perl"

  2758. htmlpages_deps_any="makeinfo_html texi2html"

  2759. txtpages_deps="perl makeinfo"

  2760. doc_deps_any="manpages htmlpages podpages txtpages"

  2761. 

  2762. # default parameters

  2763. 

  2764. logfile="config.log"

  2765. 

  2766. # installation paths

  2767. prefix_default="/usr/local"

  2768. bindir_default='${prefix}/bin'

  2769. datadir_default='${prefix}/share/ffmpeg'

  2770. docdir_default='${prefix}/share/doc/ffmpeg'

  2771. incdir_default='${prefix}/include'

  2772. libdir_default='${prefix}/lib'

  2773. mandir_default='${prefix}/share/man'

  2774. 

  2775. # toolchain

  2776. ar_default="ar"

  2777. cc_default="gcc"

  2778. cxx_default="g++"

  2779. host_cc_default="gcc"

  2780. cp_f="cp -f"

  2781. doxygen_default="doxygen"

  2782. install="install"

  2783. ln_s="ln -s -f"

  2784. nm_default="nm -g"

  2785. objformat="elf"

  2786. pkg_config_default=pkg-config

  2787. if ranlib 2>&1 | grep -q "\-D "; then

  2788.     ranlib_default="ranlib -D"

  2789. else

  2790.     ranlib_default="ranlib"

  2791. fi

  2792. strip_default="strip"

  2793. yasmexe_default="yasm"

  2794. windres_default="windres"

  2795. 

  2796. # OS

  2797. target_os_default=$(tolower $(uname -s))

  2798. host_os=$target_os_default

  2799. 

  2800. # machine

  2801. if test "$target_os_default" = aix; then

  2802.     arch_default=$(uname -p)

  2803.     strip_default="strip -X32_64"

  2804. else

  2805.     arch_default=$(uname -m)

  2806. fi

  2807. cpu="generic"

  2808. intrinsics="none"

  2809. 

  2810. # configurable options

  2811. enable $PROGRAM_LIST

  2812. enable $DOCUMENT_LIST

  2813. enable $EXAMPLE_LIST

  2814. enable $(filter_out avresample $LIBRARY_LIST)

  2815. enable stripping

  2816. 

  2817. enable asm

  2818. enable debug

  2819. enable doc

  2820. enable faan faandct faanidct

  2821. enable optimizations

  2822. enable runtime_cpudetect

  2823. enable safe_bitstream_reader

  2824. enable static

  2825. enable swscale_alpha

  2826. enable valgrind_backtrace

  2827. 

  2828. sws_max_filter_size_default=256

  2829. set_default sws_max_filter_size

  2830. 

  2831. # Enable hwaccels by default.

  2832. enable d3d11va dxva2 vaapi vda vdpau xvmc

  2833. enable xlib

  2834. 

  2835. # build settings

  2836. SHFLAGS='-shared -Wl,-soname,$$(@F)'

  2837. LIBPREF="lib"

  2838. LIBSUF=".a"

  2839. FULLNAME='$(NAME)$(BUILDSUF)'

  2840. LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'

  2841. SLIBPREF="lib"

  2842. SLIBSUF=".so"

  2843. SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'

  2844. SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'

  2845. SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'

  2846. LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'

  2847. SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'

  2848. SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'

  2849. 

  2850. asflags_filter=echo

  2851. cflags_filter=echo

  2852. ldflags_filter=echo

  2853. 

  2854. AS_C='-c'

  2855. AS_O='-o $@'

  2856. CC_C='-c'

  2857. CC_E='-E -o $@'

  2858. CC_O='-o $@'

  2859. CXX_C='-c'

  2860. CXX_O='-o $@'

  2861. LD_O='-o $@'

  2862. LD_LIB='-l%'

  2863. LD_PATH='-L'

  2864. HOSTCC_C='-c'

  2865. HOSTCC_E='-E -o $@'

  2866. HOSTCC_O='-o $@'

  2867. HOSTLD_O='-o $@'

  2868. 

  2869. host_libs='-lm'

  2870. host_cflags_filter=echo

  2871. host_ldflags_filter=echo

  2872. 

  2873. target_path='$(CURDIR)'

  2874. 

  2875. # since the object filename is not given with the -MM flag, the compiler

  2876. # is only able to print the basename, and we must add the path ourselves

  2877. DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'

  2878. DEPFLAGS='-MM'

  2879. 

  2880. # find source path

  2881. if test -f configure; then

  2882.     source_path=.

  2883. else

  2884.     source_path=$(cd $(dirname "$0"); pwd)

  2885.     echo "$source_path" | grep -q '[[:blank:]]' &&

  2886.         die "Out of tree builds are impossible with whitespace in source path."

  2887.     test -e "$source_path/config.h" &&

  2888.         die "Out of tree builds are impossible with config.h in source dir."

  2889. fi

  2890. 

  2891. for v in "$@"; do

  2892.     r=${v#*=}

  2893.     l=${v%"$r"}

  2894.     r=$(sh_quote "$r")

  2895.     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"

  2896. done

  2897. 

  2898. find_things(){

  2899.     thing=$1

  2900.     pattern=$2

  2901.     file=$source_path/$3

  2902.     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"

  2903. }

  2904. 

  2905. ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)

  2906. DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)

  2907. HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)

  2908. PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)

  2909. BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)

  2910. MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)

  2911. DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)

  2912. OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)

  2913. INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)

  2914. PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)

  2915. FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)

  2916. 

  2917. ALL_COMPONENTS="

  2918.     $BSF_LIST

  2919.     $DECODER_LIST

  2920.     $DEMUXER_LIST

  2921.     $ENCODER_LIST

  2922.     $FILTER_LIST

  2923.     $HWACCEL_LIST

  2924.     $INDEV_LIST

  2925.     $MUXER_LIST

  2926.     $OUTDEV_LIST

  2927.     $PARSER_LIST

  2928.     $PROTOCOL_LIST

  2929. "

  2930. 

  2931. for n in $COMPONENT_LIST; do

  2932.     v=$(toupper ${n%s})_LIST

  2933.     eval enable \$$v

  2934.     eval ${n}_if_any="\$$v"

  2935. done

  2936. 

  2937. enable $ARCH_EXT_LIST

  2938. 

  2939. die_unknown(){

  2940.     echo "Unknown option \"$1\"."

  2941.     echo "See $0 --help for available options."

  2942.     exit 1

  2943. }

  2944. 

  2945. print_3_columns() {

  2946.     cat | tr ' ' '\n' | sort | pr -r -3 -t

  2947. }

  2948. 

  2949. show_list() {

  2950.     suffix=_$1

  2951.     shift

  2952.     echo $* | sed s/$suffix//g | print_3_columns

  2953.     exit 0

  2954. }

  2955. 

  2956. rand_list(){

  2957.     IFS=', '

  2958.     set -- $*

  2959.     unset IFS

  2960.     for thing; do

  2961.         comp=${thing%:*}

  2962.         prob=${thing#$comp}

  2963.         prob=${prob#:}

  2964.         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST

  2965.         echo "prob ${prob:-0.5}"

  2966.         printf '%s\n' $comp

  2967.     done

  2968. }

  2969. 

  2970. do_random(){

  2971.     action=$1

  2972.     shift

  2973.     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")

  2974.     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")

  2975. }

  2976. 

  2977. for opt do

  2978.     optval="${opt#*=}"

  2979.     case "$opt" in

  2980.         --extra-ldflags=*)

  2981.             add_ldflags $optval

  2982.         ;;

  2983.         --extra-ldexeflags=*)

  2984.             add_ldexeflags $optval

  2985.         ;;

  2986.         --extra-libs=*)

  2987.             add_extralibs $optval

  2988.         ;;

  2989.         --disable-devices)

  2990.             disable $INDEV_LIST $OUTDEV_LIST

  2991.         ;;

  2992.         --enable-debug=*)

  2993.             debuglevel="$optval"

  2994.         ;;

  2995.         --disable-programs)

  2996.             disable $PROGRAM_LIST

  2997.         ;;

  2998.         --disable-everything)

  2999.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3000.         ;;

  3001.         --disable-all)

  3002.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3003.             disable $LIBRARY_LIST $PROGRAM_LIST doc

  3004.         ;;

  3005.         --enable-random|--disable-random)

  3006.             action=${opt%%-random}

  3007.             do_random ${action#--} $COMPONENT_LIST

  3008.         ;;

  3009.         --enable-random=*|--disable-random=*)

  3010.             action=${opt%%-random=*}

  3011.             do_random ${action#--} $optval

  3012.         ;;

  3013.         --enable-*=*|--disable-*=*)

  3014.             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')

  3015.             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"

  3016.             eval list=\$$(toupper $thing)_LIST

  3017.             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}

  3018.             list=$(filter "$name" $list)

  3019.             [ "$list" = "" ] && warn "Option $opt did not match anything"

  3020.             $action $list

  3021.         ;;

  3022.         --enable-?*|--disable-?*)

  3023.             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')

  3024.             if is_in $option $COMPONENT_LIST; then

  3025.                 test $action = disable && action=unset

  3026.                 eval $action \$$(toupper ${option%s})_LIST

  3027.             elif is_in $option $CMDLINE_SELECT; then

  3028.                 $action $option

  3029.             else

  3030.                 die_unknown $opt

  3031.             fi

  3032.         ;;

  3033.         --list-*)

  3034.             NAME="${opt#--list-}"

  3035.             is_in $NAME $COMPONENT_LIST || die_unknown $opt

  3036.             NAME=${NAME%s}

  3037.             eval show_list $NAME \$$(toupper $NAME)_LIST

  3038.         ;;

  3039.         --help|-h) show_help

  3040.         ;;

  3041.         --fatal-warnings) enable fatal_warnings

  3042.         ;;

  3043.         *)

  3044.             optname="${opt%%=*}"

  3045.             optname="${optname#--}"

  3046.             optname=$(echo "$optname" | sed 's/-/_/g')

  3047.             if is_in $optname $CMDLINE_SET; then

  3048.                 eval $optname='$optval'

  3049.             elif is_in $optname $CMDLINE_APPEND; then

  3050.                 append $optname "$optval"

  3051.             else

  3052.                 die_unknown $opt

  3053.             fi

  3054.         ;;

  3055.     esac

  3056. done

  3057. 

  3058. disabled logging && logfile=/dev/null

  3059. 

  3060. echo "# $0 $FFMPEG_CONFIGURATION" > $logfile

  3061. set >> $logfile

  3062. 

  3063. test -n "$valgrind" && toolchain="valgrind-memcheck"

  3064. 

  3065. case "$toolchain" in

  3066.     clang-asan)

  3067.         cc_default="clang"

  3068.         add_cflags  -fsanitize=address

  3069.         add_ldflags -fsanitize=address

  3070.     ;;

  3071.     clang-tsan)

  3072.         cc_default="clang"

  3073.         add_cflags  -fsanitize=thread -pie

  3074.         add_ldflags -fsanitize=thread -pie

  3075.     ;;

  3076.     clang-usan)

  3077.         cc_default="clang"

  3078.         add_cflags  -fsanitize=undefined

  3079.         add_ldflags -fsanitize=undefined

  3080.     ;;

  3081.     gcc-asan)

  3082.         cc_default="gcc"

  3083.         add_cflags  -fsanitize=address

  3084.         add_ldflags -fsanitize=address

  3085.     ;;

  3086.     gcc-tsan)

  3087.         cc_default="gcc"

  3088.         add_cflags  -fsanitize=thread -pie -fPIC

  3089.         add_ldflags -fsanitize=thread -pie -fPIC

  3090.     ;;

  3091.     gcc-usan)

  3092.         cc_default="gcc"

  3093.         add_cflags  -fsanitize=undefined

  3094.         add_ldflags -fsanitize=undefined

  3095.     ;;

  3096.     valgrind-massif)

  3097.         target_exec_default=${valgrind:-"valgrind"}

  3098.         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"

  3099.     ;;

  3100.     valgrind-memcheck)

  3101.         target_exec_default=${valgrind:-"valgrind"}

  3102.         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"

  3103.     ;;

  3104.     msvc)

  3105.         # Check whether the current MSVC version needs the C99 converter.

  3106.         # From MSVC 2013 (compiler major version 18) onwards, it does actually

  3107.         # support enough of C99 to build ffmpeg. Default to the new

  3108.         # behaviour if the regexp was unable to match anything, since this

  3109.         # successfully parses the version number of existing supported

  3110.         # versions that require the converter (MSVC 2010 and 2012).

  3111.         cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')

  3112.         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then

  3113.             cc_default="cl"

  3114.         else

  3115.             cc_default="c99wrap cl"

  3116.         fi

  3117.         ld_default="link"

  3118.         nm_default="dumpbin -symbols"

  3119.         ar_default="lib"

  3120.         target_os_default="win32"

  3121.         # Use a relative path for TMPDIR. This makes sure all the

  3122.         # ffconf temp files are written with a relative path, avoiding

  3123.         # issues with msys/win32 path conversion for MSVC parameters

  3124.         # such as -Fo<file> or -out:<file>.

  3125.         TMPDIR=.

  3126.     ;;

  3127.     icl)

  3128.         cc_default="icl"

  3129.         ld_default="xilink"

  3130.         nm_default="dumpbin -symbols"

  3131.         ar_default="xilib"

  3132.         target_os_default="win32"

  3133.         TMPDIR=.

  3134.     ;;

  3135.     gcov)

  3136.         add_cflags  -fprofile-arcs -ftest-coverage

  3137.         add_ldflags -fprofile-arcs -ftest-coverage

  3138.     ;;

  3139.     hardened)

  3140.         add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2

  3141.         add_cflags   -fno-strict-overflow -fstack-protector-all

  3142.         add_ldflags  -Wl,-z,relro -Wl,-z,now

  3143.     ;;

  3144.     ?*)

  3145.         die "Unknown toolchain $toolchain"

  3146.     ;;

  3147. esac

  3148. 

  3149. test -n "$cross_prefix" && enable cross_compile

  3150. 

  3151. if enabled cross_compile; then

  3152.     test -n "$arch" && test -n "$target_os" ||

  3153.         die "Must specify target arch and OS when cross-compiling"

  3154. fi

  3155. 

  3156. ar_default="${cross_prefix}${ar_default}"

  3157. cc_default="${cross_prefix}${cc_default}"

  3158. cxx_default="${cross_prefix}${cxx_default}"

  3159. nm_default="${cross_prefix}${nm_default}"

  3160. pkg_config_default="${cross_prefix}${pkg_config_default}"

  3161. ranlib_default="${cross_prefix}${ranlib_default}"

  3162. strip_default="${cross_prefix}${strip_default}"

  3163. windres_default="${cross_prefix}${windres_default}"

  3164. 

  3165. sysinclude_default="${sysroot}/usr/include"

  3166. 

  3167. set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \

  3168.     target_exec target_os yasmexe

  3169. enabled cross_compile || host_cc_default=$cc

  3170. set_default host_cc

  3171. 

  3172. pkg_config_fail_message=""

  3173. if ! $pkg_config --version >/dev/null 2>&1; then

  3174.     warn "$pkg_config not found, library detection may fail."

  3175.     pkg_config=false

  3176. elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then

  3177.     pkg_config_fail_message="

  3178. Note: When building a static binary, add --pkg-config-flags=\"--static\"."

  3179. fi

  3180. 

  3181. if test $doxygen != $doxygen_default && \

  3182.   ! $doxygen --version >/dev/null 2>&1; then

  3183.     warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."

  3184. fi

  3185. 

  3186. exesuf() {

  3187.     case $1 in

  3188.         mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;

  3189.     esac

  3190. }

  3191. 

  3192. EXESUF=$(exesuf $target_os)

  3193. HOSTEXESUF=$(exesuf $host_os)

  3194. 

  3195. # set temporary file name

  3196. : ${TMPDIR:=$TEMPDIR}

  3197. : ${TMPDIR:=$TMP}

  3198. : ${TMPDIR:=/tmp}

  3199. 

  3200. if [ -n "$tempprefix" ] ; then

  3201.     mktemp(){

  3202.         echo $tempprefix.${HOSTNAME}.${UID}

  3203.     }

  3204. elif ! check_cmd mktemp -u XXXXXX; then

  3205.     # simple replacement for missing mktemp

  3206.     # NOT SAFE FOR GENERAL USE

  3207.     mktemp(){

  3208.         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"

  3209.     }

  3210. fi

  3211. 

  3212. tmpfile(){

  3213.     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&

  3214.         (set -C; exec > $tmp) 2>/dev/null ||

  3215.         die "Unable to create temporary file in $TMPDIR."

  3216.     append TMPFILES $tmp

  3217.     eval $1=$tmp

  3218. }

  3219. 

  3220. trap 'rm -f -- $TMPFILES' EXIT

  3221. 

  3222. tmpfile TMPASM .asm

  3223. tmpfile TMPC   .c

  3224. tmpfile TMPCPP .cpp

  3225. tmpfile TMPE   $EXESUF

  3226. tmpfile TMPH   .h

  3227. tmpfile TMPM   .m

  3228. tmpfile TMPO   .o

  3229. tmpfile TMPS   .S

  3230. tmpfile TMPSH  .sh

  3231. tmpfile TMPV   .ver

  3232. 

  3233. unset -f mktemp

  3234. 

  3235. chmod +x $TMPE

  3236. 

  3237. # make sure we can execute files in $TMPDIR

  3238. cat > $TMPSH 2>> $logfile <<EOF

  3239. #! /bin/sh

  3240. EOF

  3241. chmod +x $TMPSH >> $logfile 2>&1

  3242. if ! $TMPSH >> $logfile 2>&1; then

  3243.     cat <<EOF

  3244. Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment

  3245. variable to another directory and make sure that it is not mounted noexec.

  3246. EOF

  3247.     die "Sanity test failed."

  3248. fi

  3249. 

  3250. armasm_flags(){

  3251.     for flag; do

  3252.         case $flag in

  3253.             # Filter out MSVC cl.exe options from cflags that shouldn't

  3254.             # be passed to gas-preprocessor

  3255.             -M[TD]*)                                            ;;

  3256.             *)                  echo $flag                      ;;

  3257.         esac

  3258.    done

  3259. }

  3260. 

  3261. ccc_flags(){

  3262.     for flag; do

  3263.         case $flag in

  3264.             -std=c99)           echo -c99                       ;;

  3265.             -mcpu=*)            echo -arch ${flag#*=}           ;;

  3266.             -mieee)             echo -ieee                      ;;

  3267.             -O*|-fast)          echo $flag                      ;;

  3268.             -fno-math-errno)    echo -assume nomath_errno       ;;

  3269.             -g)                 echo -g3                        ;;

  3270.             -Wall)              echo -msg_enable level2         ;;

  3271.             -Wno-pointer-sign)  echo -msg_disable ptrmismatch1  ;;

  3272.             -Wl,*)              echo $flag                      ;;

  3273.             -f*|-W*)                                            ;;

  3274.             *)                  echo $flag                      ;;

  3275.         esac

  3276.    done

  3277. }

  3278. 

  3279. cparser_flags(){

  3280.     for flag; do

  3281.         case $flag in

  3282.             -Wno-switch)             echo -Wno-switch-enum ;;

  3283.             -Wno-format-zero-length) ;;

  3284.             -Wdisabled-optimization) ;;

  3285.             -Wno-pointer-sign)       echo -Wno-other ;;

  3286.             *)                       echo $flag ;;

  3287.         esac

  3288.     done

  3289. }

  3290. 

  3291. msvc_common_flags(){

  3292.     for flag; do

  3293.         case $flag in

  3294.             # In addition to specifying certain flags under the compiler

  3295.             # specific filters, they must be specified here as well or else the

  3296.             # generic catch all at the bottom will print the original flag.

  3297.             -Wall)                ;;

  3298.             -std=c99)             ;;

  3299.             # Common flags

  3300.             -fomit-frame-pointer) ;;

  3301.             -g)                   echo -Z7 ;;

  3302.             -fno-math-errno)      ;;

  3303.             -fno-common)          ;;

  3304.             -fno-signed-zeros)    ;;

  3305.             -fPIC)                ;;

  3306.             -mthumb)              ;;

  3307.             -march=*)             ;;

  3308.             -lz)                  echo zlib.lib ;;

  3309.             -lavifil32)           echo vfw32.lib ;;

  3310.             -lavicap32)           echo vfw32.lib user32.lib ;;

  3311.             -l*)                  echo ${flag#-l}.lib ;;

  3312.             -L*)                  echo -libpath:${flag#-L} ;;

  3313.             *)                    echo $flag ;;

  3314.         esac

  3315.     done

  3316. }

  3317. 

  3318. msvc_flags(){

  3319.     msvc_common_flags "$@"

  3320.     for flag; do

  3321.         case $flag in

  3322.             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389     \

  3323.                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \

  3324.                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \

  3325.                                        -wd4307 \

  3326.                                        -wd4273 -wd4554 -wd4701 ;;

  3327.         esac

  3328.     done

  3329. }

  3330. 

  3331. icl_flags(){

  3332.     msvc_common_flags "$@"

  3333.     for flag; do

  3334.         case $flag in

  3335.             # Despite what Intel's documentation says -Wall, which is supported

  3336.             # on Windows, does enable remarks so disable them here.

  3337.             -Wall)                echo $flag -Qdiag-disable:remark ;;

  3338.             -std=c99)             echo -Qstd=c99 ;;

  3339.             -flto)                echo -ipo ;;

  3340.         esac

  3341.     done

  3342. }

  3343. 

  3344. icc_flags(){

  3345.     for flag; do

  3346.         case $flag in

  3347.             -flto)                echo -ipo ;;

  3348.             *)                    echo $flag ;;

  3349.         esac

  3350.     done

  3351. }

  3352. 

  3353. pgi_flags(){

  3354.     for flag; do

  3355.         case $flag in

  3356.             -flto)                echo -Mipa=fast,libopt,libinline,vestigial ;;

  3357.             -fomit-frame-pointer) echo -Mnoframe ;;

  3358.             -g)                   echo -gopt ;;

  3359.             *)                    echo $flag ;;

  3360.         esac

  3361.     done

  3362. }

  3363. 

  3364. suncc_flags(){

  3365.     for flag; do

  3366.         case $flag in

  3367.             -march=*|-mcpu=*)

  3368.                 case "${flag#*=}" in

  3369.                     native)                   echo -xtarget=native       ;;

  3370.                     v9|niagara)               echo -xarch=sparc          ;;

  3371.                     ultrasparc)               echo -xarch=sparcvis       ;;

  3372.                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;

  3373.                     i586|pentium)             echo -xchip=pentium        ;;

  3374.                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;

  3375.                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;

  3376.                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;

  3377.                     pentium4*)          echo -xtarget=pentium4           ;;

  3378.                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;

  3379.                     *-sse3)             echo -xarch=sse3                 ;;

  3380.                     core2)              echo -xarch=ssse3 -xchip=core2   ;;

  3381.                     bonnell)                   echo -xarch=ssse3         ;;

  3382.                     corei7|nehalem)            echo -xtarget=nehalem     ;;

  3383.                     westmere)                  echo -xtarget=westmere    ;;

  3384.                     silvermont)                echo -xarch=sse4_2        ;;

  3385.                     corei7-avx|sandybridge)    echo -xtarget=sandybridge ;;

  3386.                     core-avx*|ivybridge|haswell|broadwell)

  3387.                                                echo -xarch=avx           ;;

  3388.                     amdfam10|barcelona)        echo -xtarget=barcelona   ;;

  3389.                     btver1)                    echo -xarch=amdsse4a      ;;

  3390.                     btver2|bdver*)             echo -xarch=avx           ;;

  3391.                     athlon-4|athlon-[mx]p)     echo -xarch=ssea          ;;

  3392.                     k8|opteron|athlon64|athlon-fx)

  3393.                                                echo -xarch=sse2a         ;;

  3394.                     athlon*)                   echo -xarch=pentium_proa  ;;

  3395.                 esac

  3396.                 ;;

  3397.             -std=c99)             echo -xc99              ;;

  3398.             -fomit-frame-pointer) echo -xregs=frameptr    ;;

  3399.             -fPIC)                echo -KPIC -xcode=pic32 ;;

  3400.             -W*,*)                echo $flag              ;;

  3401.             -f*-*|-W*|-mimpure-text)                      ;;

  3402.             -shared)              echo -G                 ;;

  3403.             *)                    echo $flag              ;;

  3404.         esac

  3405.     done

  3406. }

  3407. 

  3408. tms470_flags(){

  3409.     for flag; do

  3410.         case $flag in

  3411.             -march=*|-mcpu=*)

  3412.                 case "${flag#*=}" in

  3413.                     armv7-a|cortex-a*)      echo -mv=7a8 ;;

  3414.                     armv7-r|cortex-r*)      echo -mv=7r4 ;;

  3415.                     armv7-m|cortex-m*)      echo -mv=7m3 ;;

  3416.                     armv6*|arm11*)          echo -mv=6   ;;

  3417.                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])

  3418.                                             echo -mv=5e  ;;

  3419.                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;

  3420.                 esac

  3421.                 ;;

  3422.             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;

  3423.             -mfpu=vfp)      echo --float_support=vfpv2        ;;

  3424.             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;

  3425.             -mfpu=vfpv3-d16) echo --float_support=vfpv3d16    ;;

  3426.             -msoft-float)   echo --float_support=vfplib       ;;

  3427.             -O[0-3]|-mf=*)  echo $flag                        ;;

  3428.             -g)             echo -g -mn                       ;;

  3429.             -pds=*)         echo $flag                        ;;

  3430.             -D*|-I*)        echo $flag                        ;;

  3431.             --gcc|--abi=*)  echo $flag                        ;;

  3432.             -me)            echo $flag                        ;;

  3433.         esac

  3434.     done

  3435. }

  3436. 

  3437. probe_cc(){

  3438.     pfx=$1

  3439.     _cc=$2

  3440. 

  3441.     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags

  3442.     unset _ld_o _ldflags _ld_lib _ld_path

  3443.     unset _depflags _DEPCMD _DEPFLAGS

  3444.     _flags_filter=echo

  3445. 

  3446.     if $_cc --version 2>&1 | grep -q '^GNU assembler'; then

  3447.         true # no-op to avoid reading stdin in following checks

  3448.     elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then

  3449.         _type=llvm_gcc

  3450.         gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')

  3451.         _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"

  3452.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3453.         _cflags_speed='-O3'

  3454.         _cflags_size='-Os'

  3455.     elif $_cc -v 2>&1 | grep -qi ^gcc; then

  3456.         _type=gcc

  3457.         gcc_version=$($_cc --version | head -n1)

  3458.         gcc_basever=$($_cc -dumpversion)

  3459.         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')

  3460.         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")

  3461.         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")

  3462.         if ! $_cc -dumpversion | grep -q '^2\.'; then

  3463.             _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3464.         fi

  3465.         _cflags_speed='-O3'

  3466.         _cflags_size='-Os'

  3467.     elif $_cc --version 2>/dev/null | grep -q ^icc; then

  3468.         _type=icc

  3469.         _ident=$($_cc --version | head -n1)

  3470.         _depflags='-MMD'

  3471.         _cflags_speed='-O3'

  3472.         _cflags_size='-Os'

  3473.         _cflags_noopt='-O1'

  3474.         _flags_filter=icc_flags

  3475.     elif $_cc -v 2>&1 | grep -q xlc; then

  3476.         _type=xlc

  3477.         _ident=$($_cc -qversion 2>/dev/null | head -n1)

  3478.         _cflags_speed='-O5'

  3479.         _cflags_size='-O5 -qcompact'

  3480.     elif $_cc -V 2>/dev/null | grep -q Compaq; then

  3481.         _type=ccc

  3482.         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)

  3483.         _DEPFLAGS='-M'

  3484.         _cflags_speed='-fast'

  3485.         _cflags_size='-O1'

  3486.         _flags_filter=ccc_flags

  3487.     elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then

  3488.         test -d "$sysroot" || die "No valid sysroot specified."

  3489.         _type=armcc

  3490.         _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')

  3491.         armcc_conf="$PWD/armcc.conf"

  3492.         $_cc --arm_linux_configure                 \

  3493.              --arm_linux_config_file="$armcc_conf" \

  3494.              --configure_sysroot="$sysroot"        \

  3495.              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||

  3496.              die "Error creating armcc configuration file."

  3497.         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc

  3498.         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"

  3499.         as_default="${cross_prefix}gcc"

  3500.         _depflags='-MMD'

  3501.         _cflags_speed='-O3'

  3502.         _cflags_size='-Os'

  3503.     elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then

  3504.         _type=tms470

  3505.         _ident=$($_cc -version | head -n1 | tr -s ' ')

  3506.         _flags='--gcc --abi=eabi -me'

  3507.         _cc_e='-ppl -fe=$@'

  3508.         _cc_o='-fe=$@'

  3509.         _depflags='-ppa -ppd=$(@:.o=.d)'

  3510.         _cflags_speed='-O3 -mf=5'

  3511.         _cflags_size='-O3 -mf=2'

  3512.         _flags_filter=tms470_flags

  3513.     elif $_cc -v 2>&1 | grep -q clang; then

  3514.         _type=clang

  3515.         _ident=$($_cc --version | head -n1)

  3516.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3517.         _cflags_speed='-O3'

  3518.         _cflags_size='-Os'

  3519.     elif $_cc -V 2>&1 | grep -q Sun; then

  3520.         _type=suncc

  3521.         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)

  3522.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'

  3523.         _DEPFLAGS='-xM1 -xc99'

  3524.         _ldflags='-std=c99'

  3525.         _cflags_speed='-O5'

  3526.         _cflags_size='-O5 -xspace'

  3527.         _flags_filter=suncc_flags

  3528.     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then

  3529.         _type=pathscale

  3530.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  3531.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3532.         _cflags_speed='-O2'

  3533.         _cflags_size='-Os'

  3534.         _flags_filter='filter_out -Wdisabled-optimization'

  3535.     elif $_cc -v 2>&1 | grep -q Open64; then

  3536.         _type=open64

  3537.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  3538.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3539.         _cflags_speed='-O2'

  3540.         _cflags_size='-Os'

  3541.         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'

  3542.     elif $_cc -V 2>&1 | grep -q Portland; then

  3543.         _type=pgi

  3544.         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"

  3545.         opt_common='-alias=ansi -Mdse -Mlre -Mpre'

  3546.         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"

  3547.         _cflags_size="-O2 -Munroll=c:1 $opt_common"

  3548.         _cflags_noopt="-O"

  3549.         _flags_filter=pgi_flags

  3550.     elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then

  3551.         _type=armasm

  3552.         _ident=$($_cc | head -n1)

  3553.         # 4509: "This form of conditional instruction is deprecated"

  3554.         _flags="-nologo -ignore 4509"

  3555.         _flags_filter=armasm_flags

  3556.     elif $_cc 2>&1 | grep -q Intel; then

  3557.         _type=icl

  3558.         _ident=$($_cc 2>&1 | head -n1)

  3559.         _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'

  3560.         # Not only is O3 broken on 13.x+ but it is slower on all previous

  3561.         # versions (tested) as well.

  3562.         _cflags_speed="-O2"

  3563.         _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff

  3564.         if $_cc 2>&1 | grep -q Linker; then

  3565.             _ld_o='-out:$@'

  3566.         else

  3567.             _ld_o='-Fe$@'

  3568.         fi

  3569.         _cc_o='-Fo$@'

  3570.         _cc_e='-P'

  3571.         _flags_filter=icl_flags

  3572.         _ld_lib='lib%.a'

  3573.         _ld_path='-libpath:'

  3574.         # -Qdiag-error to make icl error when seeing certain unknown arguments

  3575.         _flags='-nologo -Qdiag-error:4044,10157'

  3576.         # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency

  3577.         # with MSVC which enables it by default.

  3578.         _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS -fp:precise'

  3579.         if [ $pfx = hostcc ]; then

  3580.             append _cflags -Dsnprintf=_snprintf

  3581.         fi

  3582.         disable stripping

  3583.     elif $_cc 2>&1 | grep -q Microsoft; then

  3584.         _type=msvc

  3585.         _ident=$($_cc 2>&1 | head -n1)

  3586.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'

  3587.         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'

  3588.         _cflags_speed="-O2"

  3589.         _cflags_size="-O1"

  3590.         if $_cc 2>&1 | grep -q Linker; then

  3591.             _ld_o='-out:$@'

  3592.         else

  3593.             _ld_o='-Fe$@'

  3594.         fi

  3595.         _cc_o='-Fo$@'

  3596.         _cc_e='-P -Fi$@'

  3597.         _flags_filter=msvc_flags

  3598.         _ld_lib='lib%.a'

  3599.         _ld_path='-libpath:'

  3600.         _flags='-nologo'

  3601.         _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'

  3602.         if [ $pfx = hostcc ]; then

  3603.             if [ -z "$cl_major_ver" ] || [ $cl_major_ver -le 18 ]; then

  3604.                 append _cflags -Dsnprintf=_snprintf

  3605.             fi

  3606.         fi

  3607.         disable stripping

  3608.     elif $_cc --version 2>/dev/null | grep -q ^cparser; then

  3609.         _type=cparser

  3610.         _ident=$($_cc --version | head -n1)

  3611.         _depflags='-MMD'

  3612.         _cflags_speed='-O4'

  3613.         _cflags_size='-O2'

  3614.         _flags_filter=cparser_flags

  3615.     fi

  3616. 

  3617.     eval ${pfx}_type=\$_type

  3618.     eval ${pfx}_ident=\$_ident

  3619. }

  3620. 

  3621. set_ccvars(){

  3622.     eval ${1}_C=\${_cc_c-\${${1}_C}}

  3623.     eval ${1}_E=\${_cc_e-\${${1}_E}}

  3624.     eval ${1}_O=\${_cc_o-\${${1}_O}}

  3625. 

  3626.     if [ -n "$_depflags" ]; then

  3627.         eval ${1}_DEPFLAGS=\$_depflags

  3628.     else

  3629.         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}

  3630.         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}

  3631.         eval DEP${1}FLAGS=\$_flags

  3632.     fi

  3633. }

  3634. 

  3635. probe_cc cc "$cc"

  3636. cflags_filter=$_flags_filter

  3637. cflags_speed=$_cflags_speed

  3638. cflags_size=$_cflags_size

  3639. cflags_noopt=$_cflags_noopt

  3640. add_cflags $_flags $_cflags

  3641. cc_ldflags=$_ldflags

  3642. set_ccvars CC

  3643. 

  3644. probe_cc hostcc "$host_cc"

  3645. host_cflags_filter=$_flags_filter

  3646. add_host_cflags  $_flags $_cflags

  3647. set_ccvars HOSTCC

  3648. 

  3649. test -n "$cc_type" && enable $cc_type ||

  3650.     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"

  3651. 

  3652. : ${as_default:=$cc}

  3653. : ${dep_cc_default:=$cc}

  3654. : ${ld_default:=$cc}

  3655. : ${host_ld_default:=$host_cc}

  3656. set_default ar as dep_cc ld host_ld windres

  3657. 

  3658. probe_cc as "$as"

  3659. asflags_filter=$_flags_filter

  3660. add_asflags $_flags $_cflags

  3661. set_ccvars AS

  3662. 

  3663. probe_cc ld "$ld"

  3664. ldflags_filter=$_flags_filter

  3665. add_ldflags $_flags $_ldflags

  3666. test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags

  3667. LD_O=${_ld_o-$LD_O}

  3668. LD_LIB=${_ld_lib-$LD_LIB}

  3669. LD_PATH=${_ld_path-$LD_PATH}

  3670. 

  3671. probe_cc hostld "$host_ld"

  3672. host_ldflags_filter=$_flags_filter

  3673. add_host_ldflags $_flags $_ldflags

  3674. HOSTLD_O=${_ld_o-$HOSTLD_O}

  3675. 

  3676. if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then

  3677.     probe_cc depcc "$dep_cc"

  3678.     CCDEP=${_DEPCMD:-$DEPCMD}

  3679.     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}

  3680.     DEPCCFLAGS=$_flags

  3681. fi

  3682. 

  3683. if $ar 2>&1 | grep -q Microsoft; then

  3684.     arflags="-nologo"

  3685.     ar_o='-out:$@'

  3686. elif $ar 2>&1 | grep -q 'Texas Instruments'; then

  3687.     arflags="rq"

  3688.     ar_o='$@'

  3689. elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then

  3690.     arflags='-Xany -r -c'

  3691.     ar_o='$@'

  3692. elif $ar 2>&1 | grep -q "\[D\] "; then

  3693.     arflags="rcD"

  3694.     ar_o='$@'

  3695. else

  3696.     arflags="rc"

  3697.     ar_o='$@'

  3698. fi

  3699. 

  3700. add_cflags $extra_cflags

  3701. add_cxxflags $extra_cxxflags

  3702. add_asflags $extra_cflags

  3703. 

  3704. if test -n "$sysroot"; then

  3705.     case "$cc_type" in

  3706.         gcc|llvm_gcc|clang)

  3707.             add_cppflags --sysroot="$sysroot"

  3708.             add_ldflags --sysroot="$sysroot"

  3709. # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking

  3710.             add_cppflags -isysroot "$sysroot"

  3711.             add_ldflags -isysroot "$sysroot"

  3712.         ;;

  3713.         tms470)

  3714.             add_cppflags -I"$sysinclude"

  3715.             add_ldflags  --sysroot="$sysroot"

  3716.         ;;

  3717.     esac

  3718. fi

  3719. 

  3720. if test "$cpu" = host; then

  3721.     enabled cross_compile &&

  3722.         die "--cpu=host makes no sense when cross-compiling."

  3723. 

  3724.     case "$cc_type" in

  3725.         gcc|llvm_gcc)

  3726.             check_native(){

  3727.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  3728.                 sed -n "/cc1.*$1=/{

  3729.                             s/.*$1=\\([^ ]*\\).*/\\1/

  3730.                             p

  3731.                             q

  3732.                         }" $TMPE

  3733.             }

  3734.             cpu=$(check_native -march || check_native -mcpu)

  3735.         ;;

  3736.     esac

  3737. 

  3738.     test "${cpu:-host}" = host &&

  3739.         die "--cpu=host not supported with compiler $cc"

  3740. fi

  3741. 

  3742. # Deal with common $arch aliases

  3743. case "$arch" in

  3744.     aarch64|arm64)

  3745.         arch="aarch64"

  3746.     ;;

  3747.     arm*|iPad*|iPhone*)

  3748.         arch="arm"

  3749.     ;;

  3750.     mips*|IP*)

  3751.         arch="mips"

  3752.     ;;

  3753.     parisc*|hppa*)

  3754.         arch="parisc"

  3755.     ;;

  3756.     "Power Macintosh"|ppc*|powerpc*)

  3757.         arch="ppc"

  3758.     ;;

  3759.     s390|s390x)

  3760.         arch="s390"

  3761.     ;;

  3762.     sh4|sh)

  3763.         arch="sh4"

  3764.     ;;

  3765.     sun4u|sparc*)

  3766.         arch="sparc"

  3767.     ;;

  3768.     tilegx|tile-gx)

  3769.         arch="tilegx"

  3770.     ;;

  3771.     i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)

  3772.         arch="x86"

  3773.     ;;

  3774. esac

  3775. 

  3776. is_in $arch $ARCH_LIST || warn "unknown architecture $arch"

  3777. enable $arch

  3778. 

  3779. # Add processor-specific flags

  3780. if enabled aarch64; then

  3781. 

  3782.     case $cpu in

  3783.         armv*)

  3784.             cpuflags="-march=$cpu"

  3785.         ;;

  3786.         *)

  3787.             cpuflags="-mcpu=$cpu"

  3788.         ;;

  3789.     esac

  3790. 

  3791. elif enabled alpha; then

  3792. 

  3793.     cpuflags="-mcpu=$cpu"

  3794. 

  3795. elif enabled arm; then

  3796. 

  3797.     check_arm_arch() {

  3798.         check_cpp_condition stddef.h \

  3799.             "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \

  3800.             $cpuflags

  3801.     }

  3802. 

  3803.     probe_arm_arch() {

  3804.         if   check_arm_arch 4;        then echo armv4;

  3805.         elif check_arm_arch 4T;       then echo armv4t;

  3806.         elif check_arm_arch 5;        then echo armv5;

  3807.         elif check_arm_arch 5E;       then echo armv5e;

  3808.         elif check_arm_arch 5T;       then echo armv5t;

  3809.         elif check_arm_arch 5TE;      then echo armv5te;

  3810.         elif check_arm_arch 5TEJ;     then echo armv5te;

  3811.         elif check_arm_arch 6;        then echo armv6;

  3812.         elif check_arm_arch 6J;       then echo armv6j;

  3813.         elif check_arm_arch 6K;       then echo armv6k;

  3814.         elif check_arm_arch 6Z;       then echo armv6z;

  3815.         elif check_arm_arch 6ZK;      then echo armv6zk;

  3816.         elif check_arm_arch 6T2;      then echo armv6t2;

  3817.         elif check_arm_arch 7;        then echo armv7;

  3818.         elif check_arm_arch 7A  7_A;  then echo armv7-a;

  3819.         elif check_arm_arch 7S;       then echo armv7-a;

  3820.         elif check_arm_arch 7R  7_R;  then echo armv7-r;

  3821.         elif check_arm_arch 7M  7_M;  then echo armv7-m;

  3822.         elif check_arm_arch 7EM 7E_M; then echo armv7-m;

  3823.         elif check_arm_arch 8A  8_A;  then echo armv8-a;

  3824.         fi

  3825.     }

  3826. 

  3827.     [ "$cpu" = generic ] && cpu=$(probe_arm_arch)

  3828. 

  3829.     case $cpu in

  3830.         armv*)

  3831.             cpuflags="-march=$cpu"

  3832.             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')

  3833.         ;;

  3834.         *)

  3835.             cpuflags="-mcpu=$cpu"

  3836.             case $cpu in

  3837.                 cortex-a*)                               subarch=armv7a  ;;

  3838.                 cortex-r*)                               subarch=armv7r  ;;

  3839.                 cortex-m*)                 enable thumb; subarch=armv7m  ;;

  3840.                 arm11*)                                  subarch=armv6   ;;

  3841.                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;

  3842.                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;

  3843.                 *)                             subarch=$(probe_arm_arch) ;;

  3844.             esac

  3845.         ;;

  3846.     esac

  3847. 

  3848.     case "$subarch" in

  3849.         armv5t*)    enable fast_clz                ;;

  3850.         armv[6-8]*)

  3851.             enable fast_clz

  3852.             disabled fast_unaligned || enable fast_unaligned

  3853.             ;;

  3854.     esac

  3855. 

  3856. elif enabled avr32; then

  3857. 

  3858.     case $cpu in

  3859.         ap7[02]0[0-2])

  3860.             subarch="avr32_ap"

  3861.             cpuflags="-mpart=$cpu"

  3862.         ;;

  3863.         ap)

  3864.             subarch="avr32_ap"

  3865.             cpuflags="-march=$cpu"

  3866.         ;;

  3867.         uc3[ab]*)

  3868.             subarch="avr32_uc"

  3869.             cpuflags="-mcpu=$cpu"

  3870.         ;;

  3871.         uc)

  3872.             subarch="avr32_uc"

  3873.             cpuflags="-march=$cpu"

  3874.         ;;

  3875.     esac

  3876. 

  3877. elif enabled bfin; then

  3878. 

  3879.     cpuflags="-mcpu=$cpu"

  3880. 

  3881. elif enabled mips; then

  3882. 

  3883.     cpuflags="-march=$cpu"

  3884. 

  3885.     case $cpu in

  3886.         24kc)

  3887.             disable mips32r5

  3888.             disable mips64r6

  3889.             disable mipsfpu

  3890.             disable mipsdspr1

  3891.             disable mipsdspr2

  3892.             disable msa

  3893.         ;;

  3894.         24kf*)

  3895.             disable mips32r5

  3896.             disable mips64r6

  3897.             disable mipsdspr1

  3898.             disable mipsdspr2

  3899.             disable msa

  3900.         ;;

  3901.         24kec|34kc|1004kc)

  3902.             disable mips32r5

  3903.             disable mips64r6

  3904.             disable mipsfpu

  3905.             disable mipsdspr2

  3906.             disable msa

  3907.         ;;

  3908.         24kef*|34kf*|1004kf*)

  3909.             disable mips32r5

  3910.             disable mips64r6

  3911.             disable mipsdspr2

  3912.             disable msa

  3913.         ;;

  3914.         74kc)

  3915.             disable mips32r5

  3916.             disable mips64r6

  3917.             disable mipsfpu

  3918.             disable msa

  3919.         ;;

  3920.         74kf)

  3921.             disable mips32r5

  3922.             disable mips64r6

  3923.             disable msa

  3924.         ;;

  3925.         p5600)

  3926.             disable mips64r6

  3927.             disable mipsdspr1

  3928.             disable mipsdspr2

  3929. 

  3930.             check_cflags "-mtune=p5600"

  3931.         ;;

  3932.         i6400)

  3933.             disable mips32r5

  3934.             disable mipsdspr1

  3935.             disable mipsdspr2

  3936.             disable mipsfpu

  3937. 

  3938.             check_cflags "-mtune=i6400 -mabi=64"

  3939.             check_ldflags "-mabi=64"

  3940.         ;;

  3941.         loongson3*)

  3942.             disable mipsfpu

  3943.             disable mips32r2

  3944.             disable mips32r5

  3945.             disable mips64r6

  3946.             disable mipsdspr1

  3947.             disable mipsdspr2

  3948.             disable msa

  3949.             enable local_aligned_8 local_aligned_16

  3950.             enable simd_align_16

  3951.             enable fast_64bit

  3952.             enable fast_clz

  3953.             enable fast_cmov

  3954.             enable fast_unaligned

  3955.             disable aligned_stack

  3956.             cpuflags="-march=loongson3a -mhard-float"

  3957.         ;;

  3958.         generic)

  3959.             disable mips32r5

  3960.             disable mips64r6

  3961.             disable msa

  3962.         ;;

  3963.     esac

  3964. 

  3965. elif enabled ppc; then

  3966. 

  3967.     disable ldbrx

  3968.     disable vsx

  3969. 

  3970.     case $(tolower $cpu) in

  3971.         601|ppc601|powerpc601)

  3972.             cpuflags="-mcpu=601"

  3973.             disable altivec

  3974.         ;;

  3975.         603*|ppc603*|powerpc603*)

  3976.             cpuflags="-mcpu=603"

  3977.             disable altivec

  3978.         ;;

  3979.         604*|ppc604*|powerpc604*)

  3980.             cpuflags="-mcpu=604"

  3981.             disable altivec

  3982.         ;;

  3983.         g3|75*|ppc75*|powerpc75*)

  3984.             cpuflags="-mcpu=750"

  3985.             disable altivec

  3986.         ;;

  3987.         g4|745*|ppc745*|powerpc745*)

  3988.             cpuflags="-mcpu=7450"

  3989.         ;;

  3990.         74*|ppc74*|powerpc74*)

  3991.             cpuflags="-mcpu=7400"

  3992.         ;;

  3993.         g5|970|ppc970|powerpc970)

  3994.             cpuflags="-mcpu=970"

  3995.         ;;

  3996.         power[3-8]*)

  3997.             cpuflags="-mcpu=$cpu"

  3998.         ;;

  3999.         cell)

  4000.             cpuflags="-mcpu=cell"

  4001.             enable ldbrx

  4002.         ;;

  4003.         e500mc)

  4004.             cpuflags="-mcpu=e500mc"

  4005.             disable altivec

  4006.         ;;

  4007.         e500v2)

  4008.             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"

  4009.             disable altivec

  4010.             disable dcbzl

  4011.         ;;

  4012.         e500)

  4013.             cpuflags="-mcpu=8540 -mhard-float"

  4014.             disable altivec

  4015.             disable dcbzl

  4016.         ;;

  4017.     esac

  4018. 

  4019. elif enabled sparc; then

  4020. 

  4021.     case $cpu in

  4022.         cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])

  4023.             cpuflags="-mcpu=$cpu"

  4024.         ;;

  4025.         ultrasparc*|niagara[234])

  4026.             cpuflags="-mcpu=$cpu"

  4027.         ;;

  4028.     esac

  4029. 

  4030. elif enabled x86; then

  4031. 

  4032.     case $cpu in

  4033.         i[345]86|pentium)

  4034.             cpuflags="-march=$cpu"

  4035.             disable i686

  4036.             disable mmx

  4037.         ;;

  4038.         # targets that do NOT support nopl and conditional mov (cmov)

  4039.         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)

  4040.             cpuflags="-march=$cpu"

  4041.             disable i686

  4042.         ;;

  4043.         # targets that do support nopl and conditional mov (cmov)

  4044.         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\

  4045.         |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)

  4046.             cpuflags="-march=$cpu"

  4047.             enable i686

  4048.             enable fast_cmov

  4049.         ;;

  4050.         # targets that do support conditional mov but on which it's slow

  4051.         pentium4|pentium4m|prescott|nocona)

  4052.             cpuflags="-march=$cpu"

  4053.             enable i686

  4054.             disable fast_cmov

  4055.         ;;

  4056.     esac

  4057. 

  4058. fi

  4059. 

  4060. if [ "$cpu" != generic ]; then

  4061.     add_cflags  $cpuflags

  4062.     add_asflags $cpuflags

  4063. fi

  4064. 

  4065. # compiler sanity check

  4066. check_exec <<EOF

  4067. int main(void){ return 0; }

  4068. EOF

  4069. if test "$?" != 0; then

  4070.     echo "$cc is unable to create an executable file."

  4071.     if test -z "$cross_prefix" && ! enabled cross_compile ; then

  4072.         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."

  4073.         echo "Only do this if you know what cross compiling means."

  4074.     fi

  4075.     die "C compiler test failed."

  4076. fi

  4077. 

  4078. add_cppflags -D_ISOC99_SOURCE

  4079. add_cxxflags -D__STDC_CONSTANT_MACROS

  4080. check_cflags -std=c99

  4081. check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64

  4082. #include <stdlib.h>

  4083. EOF

  4084. check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE

  4085. #include <stdlib.h>

  4086. EOF

  4087. 

  4088. add_host_cppflags -D_ISOC99_SOURCE

  4089. check_host_cflags -std=c99

  4090. check_host_cflags -Wall

  4091. check_host_cflags -O3

  4092. 

  4093. check_64bit(){

  4094.     arch32=$1

  4095.     arch64=$2

  4096.     expr=$3

  4097.     check_code cc "" "int test[2*($expr) - 1]" &&

  4098.         subarch=$arch64 || subarch=$arch32

  4099. }

  4100. 

  4101. case "$arch" in

  4102.     aarch64|alpha|ia64)

  4103.         spic=$shared

  4104.     ;;

  4105.     mips)

  4106.         check_64bit mips mips64 '_MIPS_SIM > 1'

  4107.         spic=$shared

  4108.     ;;

  4109.     parisc)

  4110.         check_64bit parisc parisc64 'sizeof(void *) > 4'

  4111.         spic=$shared

  4112.     ;;

  4113.     ppc)

  4114.         check_64bit ppc ppc64 'sizeof(void *) > 4'

  4115.         spic=$shared

  4116.     ;;

  4117.     s390)

  4118.         check_64bit s390 s390x 'sizeof(void *) > 4'

  4119.         spic=$shared

  4120.     ;;

  4121.     sparc)

  4122.         check_64bit sparc sparc64 'sizeof(void *) > 4'

  4123.         spic=$shared

  4124.     ;;

  4125.     x86)

  4126.         check_64bit x86_32 x86_64 'sizeof(void *) > 4'

  4127.         # Treat x32 as x64 for now. Note it also needs spic=$shared

  4128.         test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&

  4129.             subarch=x86_64

  4130.         if test "$subarch" = "x86_64"; then

  4131.             spic=$shared

  4132.         fi

  4133.     ;;

  4134.     ppc)

  4135.         check_cc <<EOF && subarch="ppc64"

  4136.         int test[(int)sizeof(char*) - 7];

  4137. EOF

  4138.     ;;

  4139. esac

  4140. 

  4141. enable $subarch

  4142. enabled spic && enable_weak pic

  4143. 

  4144. # OS specific

  4145. case $target_os in

  4146.     aix)

  4147.         SHFLAGS=-shared

  4148.         add_cppflags '-I\$(SRC_PATH)/compat/aix'

  4149.         enabled shared && add_ldflags -Wl,-brtl

  4150.         ;;

  4151.     android)

  4152.         disable symver

  4153.         enable section_data_rel_ro

  4154.         SLIB_INSTALL_NAME='$(SLIBNAME)'

  4155.         SLIB_INSTALL_LINKS=

  4156.         # soname not set on purpose

  4157.         SHFLAGS=-shared

  4158.         ;;

  4159.     haiku)

  4160.         prefix_default="/boot/common"

  4161.         network_extralibs="-lnetwork"

  4162.         host_libs=

  4163.         ;;

  4164.     sunos)

  4165.         SHFLAGS='-shared -Wl,-h,$$(@F)'

  4166.         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"

  4167.         network_extralibs="-lsocket -lnsl"

  4168.         add_cppflags -D__EXTENSIONS__

  4169.         # When using suncc to build, the Solaris linker will mark

  4170.         # an executable with each instruction set encountered by

  4171.         # the Solaris assembler.  As our libraries contain their own

  4172.         # guards for processor-specific code, instead suppress

  4173.         # generation of the HWCAPS ELF section on Solaris x86 only.

  4174.         enabled_all suncc x86 &&

  4175.             echo "hwcap_1 = OVERRIDE;" > mapfile &&

  4176.             add_ldflags -Wl,-M,mapfile

  4177.         nm_default='nm -P -g'

  4178.         ;;

  4179.     netbsd)

  4180.         disable symver

  4181.         oss_indev_extralibs="-lossaudio"

  4182.         oss_outdev_extralibs="-lossaudio"

  4183.         enabled gcc || check_ldflags -Wl,-zmuldefs

  4184.         ;;

  4185.     openbsd|bitrig)

  4186.         disable symver

  4187.         SHFLAGS='-shared'

  4188.         SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'

  4189.         SLIB_INSTALL_LINKS=

  4190.         oss_indev_extralibs="-lossaudio"

  4191.         oss_outdev_extralibs="-lossaudio"

  4192.         ;;

  4193.     dragonfly)

  4194.         disable symver

  4195.         ;;

  4196.     freebsd)

  4197.         ;;

  4198.     bsd/os)

  4199.         add_extralibs -lpoll -lgnugetopt

  4200.         strip="strip -d"

  4201.         ;;

  4202.     darwin)

  4203.         enabled ppc && add_asflags -force_cpusubtype_ALL

  4204.         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'

  4205.         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress

  4206.         strip="${strip} -x"

  4207.         add_ldflags -Wl,-dynamic,-search_paths_first

  4208.         SLIBSUF=".dylib"

  4209.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'

  4210.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'

  4211.         objformat="macho"

  4212.         enabled x86_64 && objformat="macho64"

  4213.         enabled_any pic shared x86_64 ||

  4214.             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }

  4215.         ;;

  4216.     mingw32*)

  4217.         if test $target_os = "mingw32ce"; then

  4218.             disable network

  4219.         else

  4220.             target_os=mingw32

  4221.         fi

  4222.         LIBTARGET=i386

  4223.         if enabled x86_64; then

  4224.             LIBTARGET="i386:x86-64"

  4225.         elif enabled arm; then

  4226.             LIBTARGET=arm-wince

  4227.         fi

  4228.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4229.         check_ldflags -Wl,--nxcompat

  4230.         check_ldflags -Wl,--dynamicbase

  4231.         enabled x86_32 && check_ldflags -Wl,--large-address-aware

  4232.         shlibdir_default="$bindir_default"

  4233.         SLIBPREF=""

  4234.         SLIBSUF=".dll"

  4235.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4236.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4237.         dlltool="${cross_prefix}dlltool"

  4238.         if check_cmd lib.exe -list; then

  4239.             SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4240.             if enabled x86_64; then

  4241.                 LIBTARGET=x64

  4242.             fi

  4243.         elif check_cmd $dlltool --version; then

  4244.             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)'

  4245.         fi

  4246.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4247.         SLIB_INSTALL_LINKS=

  4248.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4249.         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4250.         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'

  4251.         objformat="win32"

  4252.         ranlib=:

  4253.         enable dos_paths

  4254.         ;;

  4255.     win32|win64)

  4256.         disable symver

  4257.         if enabled shared; then

  4258.             # Link to the import library instead of the normal static library

  4259.             # for shared libs.

  4260.             LD_LIB='%.lib'

  4261.             # Cannot build both shared and static libs with MSVC or icl.

  4262.             disable static

  4263.         fi

  4264.         enabled x86_32 && check_ldflags -LARGEADDRESSAWARE

  4265.         shlibdir_default="$bindir_default"

  4266.         SLIBPREF=""

  4267.         SLIBSUF=".dll"

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

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

  4270.         SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'

  4271.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4272.         SLIB_INSTALL_LINKS=

  4273.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4274.         SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4275.         SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4276.         objformat="win32"

  4277.         ranlib=:

  4278.         enable dos_paths

  4279.         ;;

  4280.     cygwin*)

  4281.         target_os=cygwin

  4282.         shlibdir_default="$bindir_default"

  4283.         SLIBPREF="cyg"

  4284.         SLIBSUF=".dll"

  4285.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4286.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4287.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4288.         SLIB_INSTALL_LINKS=

  4289.         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'

  4290.         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'

  4291.         objformat="win32"

  4292.         enable dos_paths

  4293.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4294.         ;;

  4295.     *-dos|freedos|opendos)

  4296.         network_extralibs="-lsocket"

  4297.         objformat="coff"

  4298.         enable dos_paths

  4299.         add_cppflags -U__STRICT_ANSI__

  4300.         ;;

  4301.     linux)

  4302.         enable dv1394

  4303.         enable section_data_rel_ro

  4304.         ;;

  4305.     irix*)

  4306.         target_os=irix

  4307.         ranlib="echo ignoring ranlib"

  4308.         ;;

  4309.     os/2*)

  4310.         strip="lxlite -CS"

  4311.         ln_s="cp -f"

  4312.         objformat="aout"

  4313.         add_cppflags -D_GNU_SOURCE

  4314.         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap

  4315.         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'

  4316.         LIBSUF="_s.a"

  4317.         SLIBPREF=""

  4318.         SLIBSUF=".dll"

  4319.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'

  4320.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'

  4321.         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \

  4322.             echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \

  4323.             echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \

  4324.             echo EXPORTS >> $(SUBDIR)$(NAME).def; \

  4325.             emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'

  4326.         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \

  4327.             emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'

  4328.         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'

  4329.         enable dos_paths

  4330.         enable_weak os2threads

  4331.         ;;

  4332.     gnu/kfreebsd)

  4333.         add_cppflags -D_BSD_SOURCE

  4334.         ;;

  4335.     gnu)

  4336.         ;;

  4337.     qnx)

  4338.         add_cppflags -D_QNX_SOURCE

  4339.         network_extralibs="-lsocket"

  4340.         ;;

  4341.     symbian)

  4342.         SLIBSUF=".dll"

  4343.         enable dos_paths

  4344.         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default

  4345.         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS

  4346.         add_ldflags -Wl,--target1-abs,--no-undefined \

  4347.                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \

  4348.                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup

  4349.         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \

  4350.                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \

  4351.                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib

  4352.         ;;

  4353.     osf1)

  4354.         add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT

  4355.         ;;

  4356.     minix)

  4357.         ;;

  4358.     plan9)

  4359.         add_cppflags -D_C99_SNPRINTF_EXTENSION  \

  4360.                      -D_REENTRANT_SOURCE        \

  4361.                      -D_RESEARCH_SOURCE         \

  4362.                      -DFD_SETSIZE=96            \

  4363.                      -DHAVE_SOCK_OPTS

  4364.         add_compat strtod.o strtod=avpriv_strtod

  4365.         network_extralibs='-lbsd'

  4366.         exeobjs=compat/plan9/main.o

  4367.         disable ffserver

  4368.         cp_f='cp'

  4369.         ;;

  4370.     none)

  4371.         ;;

  4372.     *)

  4373.         die "Unknown OS '$target_os'."

  4374.         ;;

  4375. esac

  4376. 

  4377. # determine libc flavour

  4378. 

  4379. probe_libc(){

  4380.     pfx=$1

  4381.     pfx_no_=${pfx%_}

  4382.     # uclibc defines __GLIBC__, so it needs to be checked before glibc.

  4383.     if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then

  4384.         eval ${pfx}libc_type=uclibc

  4385.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4386.     elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then

  4387.         eval ${pfx}libc_type=glibc

  4388.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4389.     # MinGW headers can be installed on Cygwin, so check for newlib first.

  4390.     elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then

  4391.         eval ${pfx}libc_type=newlib

  4392.         add_${pfx}cppflags -U__STRICT_ANSI__

  4393.     # MinGW64 is backwards compatible with MinGW32, so check for it first.

  4394.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then

  4395.         eval ${pfx}libc_type=mingw64

  4396.         if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then

  4397.             add_compat msvcrt/snprintf.o

  4398.             add_cflags "-include $source_path/compat/msvcrt/snprintf.h"

  4399.         fi

  4400.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4401.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4402.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4403.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION"  ||

  4404.          check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then

  4405.         eval ${pfx}libc_type=mingw32

  4406.         check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \

  4407.             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||

  4408.             die "ERROR: MinGW32 runtime version must be >= 3.15."

  4409.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4410.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4411.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4412.     elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then

  4413.         eval ${pfx}libc_type=msvcrt

  4414.         # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to

  4415.         # 0x601 by default unless something else is set by the user.

  4416.         # This can easily lead to us detecting functions only present

  4417.         # in such new versions and producing binaries requiring windows 7.0.

  4418.         # Therefore explicitly set the default to XP unless the user has

  4419.         # set something else on the command line.

  4420.         check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||

  4421.             add_${pfx}cppflags -D_WIN32_WINNT=0x0502

  4422.     elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then

  4423.         eval ${pfx}libc_type=klibc

  4424.     elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then

  4425.         eval ${pfx}libc_type=bionic

  4426.     elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then

  4427.         eval ${pfx}libc_type=solaris

  4428.         add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600

  4429.     fi

  4430.     check_${pfx}cc <<EOF

  4431. #include <time.h>

  4432. void *v = localtime_r;

  4433. EOF

  4434. 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

  4435. #include <time.h>

  4436. void *v = localtime_r;

  4437. EOF

  4438. 

  4439. }

  4440. 

  4441. probe_libc

  4442. test -n "$libc_type" && enable libc_$libc_type

  4443. probe_libc host_

  4444. test -n "$host_libc_type" && enable host_libc_$host_libc_type

  4445. 

  4446. case $libc_type in

  4447.     bionic)

  4448.         add_compat strtod.o strtod=avpriv_strtod

  4449.         ;;

  4450.     msvcrt)

  4451.         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -le 18 ]; then

  4452.             add_compat strtod.o strtod=avpriv_strtod

  4453.             add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf   \

  4454.                                          _snprintf=avpriv_snprintf  \

  4455.                                          vsnprintf=avpriv_vsnprintf

  4456.         fi

  4457.         ;;

  4458. esac

  4459. 

  4460. # hacks for compiler/libc/os combinations

  4461. 

  4462. if enabled_all tms470 libc_glibc; then

  4463.     CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"

  4464.     add_cppflags -D__USER_LABEL_PREFIX__=

  4465.     add_cppflags -D__builtin_memset=memset

  4466.     add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED

  4467.     add_cflags   -pds=48    # incompatible redefinition of macro

  4468. fi

  4469. 

  4470. if enabled_all ccc libc_glibc; then

  4471.     add_ldflags -Wl,-z,now  # calls to libots crash without this

  4472. fi

  4473. 

  4474. check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||

  4475.     add_cppflags '-I\$(SRC_PATH)/compat/float'

  4476. 

  4477. esc(){

  4478.     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'

  4479. }

  4480. 

  4481. echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate

  4482. 

  4483. check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic

  4484. 

  4485. set_default libdir

  4486. : ${shlibdir_default:="$libdir"}

  4487. 

  4488. set_default $PATHS_LIST

  4489. set_default nm

  4490. 

  4491. # we need to build at least one lib type

  4492. if ! enabled_any static shared; then

  4493.     cat <<EOF

  4494. At least one library type must be built.

  4495. Specify --enable-static to build the static libraries or --enable-shared to

  4496. build the shared libraries as well. To only build the shared libraries specify

  4497. --disable-static in addition to --enable-shared.

  4498. EOF

  4499.     exit 1;

  4500. fi

  4501. 

  4502. die_license_disabled() {

  4503.     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }

  4504. }

  4505. 

  4506. die_license_disabled_gpl() {

  4507.     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }

  4508. }

  4509. 

  4510. die_license_disabled gpl frei0r

  4511. die_license_disabled gpl libcdio

  4512. die_license_disabled gpl libsmbclient

  4513. die_license_disabled gpl libutvideo

  4514. die_license_disabled gpl libvidstab

  4515. die_license_disabled gpl libx264

  4516. die_license_disabled gpl libx265

  4517. die_license_disabled gpl libxavs

  4518. die_license_disabled gpl libxvid

  4519. die_license_disabled gpl libzvbi

  4520. die_license_disabled gpl x11grab

  4521. 

  4522. die_license_disabled nonfree libaacplus

  4523. die_license_disabled nonfree libfaac

  4524. die_license_disabled nonfree nvenc

  4525. enabled gpl && die_license_disabled_gpl nonfree libfdk_aac

  4526. enabled gpl && die_license_disabled_gpl nonfree openssl

  4527. 

  4528. die_license_disabled version3 libopencore_amrnb

  4529. die_license_disabled version3 libopencore_amrwb

  4530. die_license_disabled version3 libsmbclient

  4531. die_license_disabled version3 libvo_aacenc

  4532. die_license_disabled version3 libvo_amrwbenc

  4533. 

  4534. enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }

  4535. 

  4536. disabled optimizations || check_cflags -fomit-frame-pointer

  4537. 

  4538. enable_weak_pic() {

  4539.     disabled pic && return

  4540.     enable pic

  4541.     add_cppflags -DPIC

  4542.     case "$target_os" in

  4543.     mingw*|cygwin*)

  4544.         ;;

  4545.     *)

  4546.         add_cflags -fPIC

  4547.         ;;

  4548.     esac

  4549.     add_asflags  -fPIC

  4550. }

  4551. 

  4552. enabled pic && enable_weak_pic

  4553. 

  4554. check_cc <<EOF || die "Symbol mangling check failed."

  4555. int ff_extern;

  4556. EOF

  4557. sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')

  4558. extern_prefix=${sym%%ff_extern*}

  4559. 

  4560. check_cc <<EOF && enable_weak inline_asm

  4561. void foo(void) { __asm__ volatile ("" ::); }

  4562. EOF

  4563. 

  4564. _restrict=

  4565. for restrict_keyword in restrict __restrict__ __restrict; do

  4566.     check_cc <<EOF && _restrict=$restrict_keyword && break

  4567. void foo(char * $restrict_keyword p);

  4568. EOF

  4569. done

  4570. 

  4571. check_cc <<EOF && enable pragma_deprecated

  4572. void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }

  4573. EOF

  4574. 

  4575. check_cc <<EOF && enable attribute_packed

  4576. struct { int x; } __attribute__((packed)) x;

  4577. EOF

  4578. 

  4579. check_cc <<EOF && enable attribute_may_alias

  4580. union { int x; } __attribute__((may_alias)) x;

  4581. EOF

  4582. 

  4583. check_cc <<EOF || die "endian test failed"

  4584. unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';

  4585. EOF

  4586. od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian

  4587. 

  4588. if  [ "$cpu" = "power7" ] || [ "$cpu" = "power8" ] || enabled ppc64; then

  4589.     if ! enabled bigendian && enabled altivec ;then

  4590.         enable vsx

  4591.     fi

  4592. fi

  4593. 

  4594. check_gas() {

  4595.     log "check_gas using '$as' as AS"

  4596.     # :vararg is used on aarch64, arm and ppc altivec

  4597.     check_as <<EOF || return 1

  4598. .macro m n, y:vararg=0

  4599. \n: .int \y

  4600. .endm

  4601. m x

  4602. EOF

  4603.     # .altmacro is only used in arm asm

  4604.     ! enabled arm || check_as <<EOF || return 1

  4605. .altmacro

  4606. EOF

  4607.     enable gnu_as

  4608.     return 0

  4609. }

  4610. 

  4611. if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then

  4612.     nogas=:

  4613.     enabled_any arm aarch64 && nogas=die

  4614.     enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn

  4615.     as_noop=-v

  4616. 

  4617.     case $as_type in

  4618.         arm*) gaspp_as_type=armasm; as_noop=-h ;;

  4619.         gcc)  gaspp_as_type=gas ;;

  4620.         *)    gaspp_as_type=$as_type ;;

  4621.     esac

  4622. 

  4623.     [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"

  4624. 

  4625.     test "${as#*gas-preprocessor.pl}" != "$as" ||

  4626.     check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&

  4627.         gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"

  4628. 

  4629.     if ! check_gas ; then

  4630.         as=${gas:=$as}

  4631.         check_gas || \

  4632.             $nogas "GNU assembler not found, install/update gas-preprocessor"

  4633.     fi

  4634. 

  4635.     check_as <<EOF && enable as_func

  4636. .func test

  4637. .endfunc

  4638. EOF

  4639. fi

  4640. 

  4641. check_inline_asm inline_asm_labels '"1:\n"'

  4642. 

  4643. check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'

  4644. 

  4645. if enabled aarch64; then

  4646.     enabled armv8 && check_insn armv8 'prfm   pldl1strm, [x0]'

  4647.     # internal assembler in clang 3.3 does not support this instruction

  4648.     enabled neon && check_insn neon 'ext   v0.8B, v0.8B, v1.8B, #1'

  4649.     enabled vfp  && check_insn vfp  'fmadd d0,    d0,    d1,    d2'

  4650. 

  4651.     map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM

  4652. 

  4653. elif enabled alpha; then

  4654. 

  4655.     check_cflags -mieee

  4656. 

  4657. elif enabled arm; then

  4658. 

  4659.     check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb

  4660. float func(float a, float b){ return a+b; }

  4661. EOF

  4662. 

  4663.     enabled thumb && check_cflags -mthumb || check_cflags -marm

  4664. 

  4665.     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then

  4666.         enable vfp_args

  4667.     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then

  4668.         case "${cross_prefix:-$cc}" in

  4669.             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;

  4670.             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;

  4671. __asm__ (".eabi_attribute 28, 1");

  4672. int main(void) { return 0; }

  4673. EOF

  4674.         esac

  4675.         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."

  4676.     fi

  4677. 

  4678.     enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'

  4679.     enabled armv6   && check_insn armv6   'sadd16 r0, r0, r0'

  4680.     enabled armv6t2 && check_insn armv6t2 'movt r0, #0'

  4681.     enabled neon    && check_insn neon    'vadd.i16 q0, q0, q0'

  4682.     enabled vfp     && check_insn vfp     'fadds s0, s0, s0'

  4683.     enabled vfpv3   && check_insn vfpv3   'vmov.f32 s0, #1.0'

  4684.     enabled setend  && check_insn setend  'setend be'

  4685. 

  4686.     [ $target_os = linux ] || [ $target_os = android ] ||

  4687.         map 'enabled_any ${v}_external ${v}_inline || disable $v' \

  4688.             $ARCH_EXT_LIST_ARM

  4689. 

  4690.     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'

  4691. 

  4692.     check_as <<EOF && enable as_dn_directive

  4693. ra .dn d0.i16

  4694. .unreq ra

  4695. EOF

  4696. 

  4697.     # llvm's integrated assembler supports .object_arch from llvm 3.5

  4698.     [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch

  4699. .object_arch armv4

  4700. EOF

  4701. 

  4702.     [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic

  4703. 

  4704. elif enabled mips; then

  4705. 

  4706.     # Enable minimum ISA based on selected options

  4707.     if enabled mips64 && (enabled mipsdspr1 || enabled mipsdspr2); then

  4708.         add_cflags "-mips64r2"

  4709.         add_asflags "-mips64r2"

  4710.     elif enabled mips64 && enabled mipsfpu && disabled loongson3; then

  4711.         add_cflags "-mips64"

  4712.         add_asflags "-mips64"

  4713.     elif enabled mipsdspr1 || enabled mipsdspr2; then

  4714.         add_cflags "-mips32r2 -mfp32"

  4715.         add_asflags "-mips32r2 -mfp32"

  4716.     elif enabled mips32r5 || enabled mips64r6; then

  4717.         check_cflags "-mfp64"

  4718.         check_ldflags "-mfp64"

  4719.     fi

  4720. 

  4721.     enabled mips32r5  && check_cflags "-mips32r5 -msched-weight -mload-store-pairs -funroll-loops" &&

  4722.      check_ldflags "-mips32r5" &&

  4723.      check_inline_asm mips32r5  '"ulw $t0, ($t1)"'

  4724.     enabled mips64r6  && check_cflags "-mips64r6 -msched-weight -mload-store-pairs -funroll-loops" &&

  4725.      check_ldflags "-mips64r6" &&

  4726.      check_inline_asm mips64r6  '"aui $t0, $t1, 1"'

  4727.     enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&

  4728.      check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'

  4729.     enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&

  4730.      check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'

  4731.     enabled mipsfpu   && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&

  4732.      check_inline_asm mipsfpu   '"madd.d $f0, $f2, $f4, $f6"'

  4733.     enabled msa       && check_cflags "-mmsa" && check_ldflags "-mmsa" &&

  4734.      check_inline_asm msa       '"addvi.b $w0, $w1, 1"'

  4735.     enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'

  4736. 

  4737.     enabled mips32r5 && add_asflags "-mips32r5 -mfp64"

  4738.     enabled mips64r6 && add_asflags "-mips64r6 -mfp64"

  4739.     enabled msa && add_asflags "-mmsa"

  4740. 

  4741. elif enabled parisc; then

  4742. 

  4743.     if enabled gcc; then

  4744.         case $($cc -dumpversion) in

  4745.             4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;

  4746.         esac

  4747.     fi

  4748. 

  4749. elif enabled ppc; then

  4750. 

  4751.     enable local_aligned_8 local_aligned_16 local_aligned_32

  4752. 

  4753.     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'

  4754.     check_inline_asm ibm_asm   '"add 0, 0, 0"'

  4755.     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'

  4756.     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'

  4757. 

  4758.     # AltiVec flags: The FSF version of GCC differs from the Apple version

  4759.     if enabled altivec; then

  4760.         check_cflags -maltivec -mabi=altivec &&

  4761.         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||

  4762.         check_cflags -faltivec

  4763. 

  4764.         # check if our compiler supports Motorola AltiVec C API

  4765.         check_cc <<EOF || disable altivec

  4766. $inc_altivec_h

  4767. int main(void) {

  4768.     vector signed int v1 = (vector signed int) { 0 };

  4769.     vector signed int v2 = (vector signed int) { 1 };

  4770.     v1 = vec_add(v1, v2);

  4771.     return 0;

  4772. }

  4773. EOF

  4774. 

  4775.         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"

  4776.     fi

  4777. 

  4778.     if enabled vsx; then

  4779.         check_cflags -mvsx

  4780.     fi

  4781. elif enabled x86; then

  4782. 

  4783.     check_builtin rdtsc    intrin.h   "__rdtsc()"

  4784.     check_builtin mm_empty mmintrin.h "_mm_empty()"

  4785. 

  4786.     enable local_aligned_8 local_aligned_16 local_aligned_32

  4787. 

  4788.     # check whether EBP is available on x86

  4789.     # As 'i' is stored on the stack, this program will crash

  4790.     # if the base pointer is used to access it because the

  4791.     # base pointer is cleared in the inline assembly code.

  4792.     check_exec_crash <<EOF && enable ebp_available

  4793. volatile int i=0;

  4794. __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");

  4795. return i;

  4796. EOF

  4797. 

  4798.     # check whether EBX is available on x86

  4799.     check_inline_asm ebx_available '""::"b"(0)' &&

  4800.         check_inline_asm ebx_available '"":::"%ebx"'

  4801. 

  4802.     # check whether xmm clobbers are supported

  4803.     check_inline_asm xmm_clobbers '"":::"%xmm0"'

  4804. 

  4805.     check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||

  4806.         check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'

  4807. 

  4808.     # check whether binutils is new enough to compile SSSE3/MMXEXT

  4809.     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'

  4810.     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'

  4811. 

  4812.     if ! disabled_any asm mmx yasm; then

  4813.         if check_cmd $yasmexe --version; then

  4814.             enabled x86_64 && yasm_extra="-m amd64"

  4815.             yasm_debug="-g dwarf2"

  4816.         elif check_cmd nasm -v; then

  4817.             yasmexe=nasm

  4818.             yasm_debug="-g -F dwarf"

  4819.             if enabled x86_64; then

  4820.                 case "$objformat" in

  4821.                     elf)   objformat=elf64 ;;

  4822.                     win32) objformat=win64 ;;

  4823.                 esac

  4824.             fi

  4825.         fi

  4826. 

  4827.         YASMFLAGS="-f $objformat $yasm_extra"

  4828.         enabled pic               && append YASMFLAGS "-DPIC"

  4829.         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"

  4830.         case "$objformat" in

  4831.             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;

  4832.         esac

  4833. 

  4834.         check_yasm "movbe ecx, [5]" && enable yasm ||

  4835.             die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."

  4836.         check_yasm "vextracti128 xmm0, ymm0, 0"      || disable avx2_external

  4837.         check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external

  4838.         check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external

  4839.         check_yasm "CPU amdnop" || disable cpunop

  4840.     fi

  4841. 

  4842.     case "$cpu" in

  4843.         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)

  4844.             disable fast_clz

  4845.         ;;

  4846.     esac

  4847. 

  4848. fi

  4849. 

  4850. check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon

  4851. 

  4852. check_ldflags -Wl,--as-needed

  4853. check_ldflags -Wl,-z,noexecstack

  4854. 

  4855. if check_func dlopen; then

  4856.     ldl=

  4857. elif check_func dlopen -ldl; then

  4858.     ldl=-ldl

  4859. fi

  4860. 

  4861. frei0r_filter_extralibs='$ldl'

  4862. frei0r_src_filter_extralibs='$ldl'

  4863. ladspa_filter_extralibs='$ldl'

  4864. nvenc_encoder_extralibs='$ldl'

  4865. 

  4866. if ! disabled network; then

  4867.     check_func getaddrinfo $network_extralibs

  4868.     check_func getservbyport $network_extralibs

  4869.     check_func inet_aton $network_extralibs

  4870. 

  4871.     check_type netdb.h "struct addrinfo"

  4872.     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE

  4873.     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE

  4874.     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE

  4875.     check_type poll.h "struct pollfd"

  4876.     check_type netinet/sctp.h "struct sctp_event_subscribe"

  4877.     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len

  4878.     check_type netinet/in.h "struct sockaddr_in6"

  4879.     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"

  4880.     check_type "sys/types.h sys/socket.h" socklen_t

  4881. 

  4882.     # Prefer arpa/inet.h over winsock2

  4883.     if check_header arpa/inet.h ; then

  4884.         check_func closesocket

  4885.     elif check_header winsock2.h ; then

  4886.         check_func_headers winsock2.h closesocket -lws2 &&

  4887.             network_extralibs="-lws2" ||

  4888.         { check_func_headers winsock2.h closesocket -lws2_32 &&

  4889.             network_extralibs="-lws2_32"; } || disable winsock2_h network

  4890.         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs

  4891. 

  4892.         check_type ws2tcpip.h socklen_t

  4893.         check_type ws2tcpip.h "struct addrinfo"

  4894.         check_type ws2tcpip.h "struct group_source_req"

  4895.         check_type ws2tcpip.h "struct ip_mreq_source"

  4896.         check_type ws2tcpip.h "struct ipv6_mreq"

  4897.         check_type winsock2.h "struct pollfd"

  4898.         check_struct winsock2.h "struct sockaddr" sa_len

  4899.         check_type ws2tcpip.h "struct sockaddr_in6"

  4900.         check_type ws2tcpip.h "struct sockaddr_storage"

  4901.     else

  4902.         disable network

  4903.     fi

  4904. fi

  4905. 

  4906. check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"

  4907. check_builtin atomic_compare_exchange "" "int *ptr, *oldval; int newval; __atomic_compare_exchange_n(ptr, oldval, newval, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)"

  4908. check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"

  4909. check_builtin MemoryBarrier windows.h "MemoryBarrier()"

  4910. check_builtin sarestart signal.h "SA_RESTART"

  4911. check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"

  4912. 

  4913. check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc

  4914. check_func  ${malloc_prefix}memalign            && enable memalign

  4915. check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign

  4916. 

  4917. check_func  access

  4918. check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  4919. check_func  fcntl

  4920. check_func  fork

  4921. check_func  gethrtime

  4922. check_func  getopt

  4923. check_func  getrusage

  4924. check_func  gettimeofday

  4925. check_func  gmtime_r

  4926. check_func  isatty

  4927. check_func  localtime_r

  4928. check_func  mach_absolute_time

  4929. check_func  mkstemp

  4930. check_func  mmap

  4931. check_func  mprotect

  4932. # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that

  4933. check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  4934. check_func  sched_getaffinity

  4935. check_func  setrlimit

  4936. check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE

  4937. check_func  strerror_r

  4938. check_func  sysconf

  4939. check_func  sysctl

  4940. check_func  usleep

  4941. 

  4942. check_func_headers conio.h kbhit

  4943. check_func_headers io.h setmode

  4944. check_func_headers lzo/lzo1x.h lzo1x_999_compress

  4945. check_func_headers stdlib.h getenv

  4946. 

  4947. check_func_headers windows.h CoTaskMemFree -lole32

  4948. check_func_headers windows.h GetProcessAffinityMask

  4949. check_func_headers windows.h GetProcessTimes

  4950. check_func_headers windows.h GetSystemTimeAsFileTime

  4951. check_func_headers windows.h MapViewOfFile

  4952. check_func_headers windows.h PeekNamedPipe

  4953. check_func_headers windows.h SetConsoleTextAttribute

  4954. check_func_headers windows.h Sleep

  4955. check_func_headers windows.h VirtualAlloc

  4956. check_struct windows.h "CONDITION_VARIABLE" Ptr

  4957. check_func_headers glob.h glob

  4958. enabled xlib &&

  4959.     check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext

  4960. 

  4961. check_header direct.h

  4962. check_header dlfcn.h

  4963. check_header d3d11.h

  4964. check_header dxva.h

  4965. check_header dxva2api.h -D_WIN32_WINNT=0x0600

  4966. check_header io.h

  4967. check_header libcrystalhd/libcrystalhd_if.h

  4968. check_header mach/mach_time.h

  4969. check_header malloc.h

  4970. check_header net/udplite.h

  4971. check_header poll.h

  4972. check_header sys/mman.h

  4973. check_header sys/param.h

  4974. check_header sys/resource.h

  4975. check_header sys/select.h

  4976. check_header sys/time.h

  4977. check_header sys/un.h

  4978. check_header termios.h

  4979. check_header unistd.h

  4980. check_header valgrind/valgrind.h

  4981. check_header vdpau/vdpau.h

  4982. check_header vdpau/vdpau_x11.h

  4983. check_header VideoDecodeAcceleration/VDADecoder.h

  4984. check_header windows.h

  4985. check_header X11/extensions/XvMClib.h

  4986. check_header asm/types.h

  4987. 

  4988. check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32

  4989. check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32

  4990. check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi

  4991. 

  4992. check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss

  4993. 

  4994. check_type "windows.h dxva.h" "DXVA_PicParams_HEVC"

  4995. 

  4996. if ! disabled w32threads && ! enabled pthreads; then

  4997.     check_func_headers "windows.h process.h" _beginthreadex &&

  4998.         enable w32threads || disable w32threads

  4999. fi

  5000. 

  5001. # check for some common methods of building with pthread support

  5002. # do this before the optional library checks as some of them require pthreads

  5003. if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then

  5004.     enable pthreads

  5005.     if check_func pthread_join -pthread && check_func pthread_create -pthread; then

  5006.         add_cflags -pthread

  5007.         add_extralibs -pthread

  5008.     elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then

  5009.         add_cflags -pthreads

  5010.         add_extralibs -pthreads

  5011.     elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then

  5012.         add_cflags -ldl -pthread

  5013.         add_extralibs -ldl -pthread

  5014.     elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then

  5015.         add_extralibs -lpthreadGC2

  5016.     elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then

  5017.         :

  5018.     elif ! check_func pthread_join && ! check_func pthread_create; then

  5019.         disable pthreads

  5020.     fi

  5021.     check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads

  5022. fi

  5023. 

  5024. 

  5025. if enabled pthreads; then

  5026.   check_func pthread_cancel

  5027. fi

  5028. 

  5029. disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib

  5030. disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib

  5031. disabled  lzma || check_lib2  lzma.h lzma_version_number -llzma || disable lzma

  5032. 

  5033. check_lib math.h sin -lm && LIBM="-lm"

  5034. disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd

  5035. 

  5036. atan2f_args=2

  5037. ldexpf_args=2

  5038. powf_args=2

  5039. 

  5040. for func in $MATH_FUNCS; do

  5041.     eval check_mathfunc $func \${${func}_args:-1}

  5042. done

  5043. 

  5044. # these are off by default, so fail if requested and not available

  5045. enabled avfoundation_indev && { check_header_oc AVFoundation/AVFoundation.h || disable avfoundation_indev; }

  5046. enabled avfoundation_indev && { check_lib2 CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||

  5047.                                 check_lib2 ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }

  5048. enabled avisynth          && { { check_lib2 "windows.h" LoadLibrary; } ||

  5049.                                { check_lib2 "dlfcn.h" dlopen -ldl; } ||

  5050.                                die "ERROR: LoadLibrary/dlopen not found for avisynth"; }

  5051. enabled decklink          && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }

  5052. enabled frei0r            && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }

  5053. enabled gnutls            && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init

  5054. enabled ladspa            && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }

  5055. enabled libiec61883       && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883

  5056. enabled libaacplus        && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus

  5057. enabled libass            && require_pkg_config libass ass/ass.h ass_library_init

  5058. enabled libbluray         && require_pkg_config libbluray libbluray/bluray.h bd_open

  5059. enabled libbs2b           && require_pkg_config libbs2b bs2b.h bs2b_open

  5060. enabled libcelt           && require libcelt celt/celt.h celt_decode -lcelt0 &&

  5061.                              { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||

  5062.                                die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }

  5063. enabled libcaca           && require_pkg_config caca caca.h caca_create_canvas

  5064. enabled libdcadec         && require_pkg_config dcadec libdcadec/dca_context.h dcadec_context_create

  5065. enabled libfaac           && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac

  5066. enabled libfdk_aac        && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac

  5067. 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"

  5068. enabled libflite          && require2 libflite "flite/flite.h" flite_init $flite_libs

  5069. enabled fontconfig        && enable libfontconfig

  5070. enabled libfontconfig     && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit

  5071. enabled libfreetype       && require_libfreetype

  5072. enabled libfribidi        && require_pkg_config fribidi fribidi.h fribidi_version_info

  5073. enabled libgme            && require  libgme gme/gme.h gme_new_emu -lgme -lstdc++

  5074. enabled libgsm            && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do

  5075.                                    check_lib "${gsm_hdr}" gsm_create -lgsm && break;

  5076.                                done || die "ERROR: libgsm not found"; }

  5077. enabled libilbc           && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc

  5078. enabled libmfx            && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit

  5079. enabled libmodplug        && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load

  5080. enabled libmp3lame        && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame

  5081. enabled libnut            && require libnut libnut.h nut_demuxer_init -lnut

  5082. enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb

  5083. enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb

  5084. enabled libopencv         && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader

  5085. enabled libopenh264       && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion

  5086. enabled libopenjpeg       && { check_lib openjpeg.h opj_version -lopenmj2 -DOPJ_STATIC ||

  5087.                                check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  5088.                                check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  5089.                                die "ERROR: libopenjpeg not found"; }

  5090. enabled libopus           && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create

  5091. enabled libpulse          && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new

  5092. enabled libquvi           && require_pkg_config libquvi quvi/quvi.h quvi_init

  5093. enabled librtmp           && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket

  5094. enabled libschroedinger   && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init

  5095. enabled libshine          && require_pkg_config shine shine/layer3.h shine_encode_buffer

  5096. enabled libsmbclient      && { use_pkg_config smbclient libsmbclient.h smbc_init ||

  5097.                                require smbclient libsmbclient.h smbc_init -lsmbclient; }

  5098. enabled libsoxr           && require libsoxr soxr.h soxr_create -lsoxr

  5099. enabled libssh            && require_pkg_config libssh libssh/sftp.h sftp_init

  5100. enabled libspeex          && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex

  5101. enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h

  5102.     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h

  5103.     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static

  5104. enabled libtheora         && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg

  5105. enabled libtwolame        && require libtwolame twolame.h twolame_init -ltwolame &&

  5106.                              { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||

  5107.                                die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }

  5108. enabled libutvideo        && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++

  5109. enabled libv4l2           && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl

  5110. enabled libvidstab        && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit

  5111. enabled libvo_aacenc      && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc

  5112. enabled libvo_amrwbenc    && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc

  5113. enabled libvorbis         && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg

  5114. enabled libvpx            && {

  5115.     enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||

  5116.                                     die "ERROR: libvpx decoder version must be >=0.9.1"; }

  5117.     enabled libvpx_vp8_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||

  5118.                                     die "ERROR: libvpx encoder version must be >=0.9.7"; }

  5119.     enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }

  5120.     enabled libvpx_vp9_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx || disable libvpx_vp9_encoder; } }

  5121. enabled libwavpack        && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput  -lwavpack

  5122. enabled libwebp           && {

  5123.     enabled libwebp_encoder      && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion

  5124.     enabled libwebp_anim_encoder && { use_pkg_config "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit || disable libwebp_anim_encoder; } }

  5125. enabled libx264           && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||

  5126.                                { require libx264 x264.h x264_encoder_encode -lx264 &&

  5127.                                  warn "using libx264 without pkg-config"; } } &&

  5128.                              { check_cpp_condition x264.h "X264_BUILD >= 118" ||

  5129.                                die "ERROR: libx264 must be installed and version must be >= 0.118."; }

  5130. enabled libx265           && require_pkg_config x265 x265.h x265_encoder_encode &&

  5131.                              { check_cpp_condition x265.h "X265_BUILD >= 57" ||

  5132.                                die "ERROR: libx265 version must be >= 57."; }

  5133. enabled libxavs           && require libxavs xavs.h xavs_encoder_encode -lxavs

  5134. enabled libxvid           && require libxvid xvid.h xvid_global -lxvidcore

  5135. enabled libzmq            && require_pkg_config libzmq zmq.h zmq_ctx_new

  5136. enabled libzvbi           && require libzvbi libzvbi.h vbi_decoder_new -lzvbi

  5137. enabled mmal              && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||

  5138.                                 { ! enabled cross_compile && {

  5139.                                     add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;

  5140.                                     add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;

  5141.                                     check_lib interface/mmal/mmal.h mmal_port_connect ; }

  5142.                                 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||

  5143.                                die "ERROR: mmal not found"; }

  5144. enabled nvenc             && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; } &&

  5145.                              { check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 5" ||

  5146.                                die "ERROR: NVENC API version 4 or older is not supported"; } &&

  5147.                              { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }

  5148. enabled openal            && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do

  5149.                                check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||

  5150.                                die "ERROR: openal not found"; } &&

  5151.                              { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||

  5152.                                die "ERROR: openal must be installed and version must be 1.1 or compatible"; }

  5153. enabled opencl            && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||

  5154.                                check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||

  5155.                                die "ERROR: opencl not found"; } &&

  5156.                              { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||

  5157.                                check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||

  5158.                                die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }

  5159. enabled opengl            && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||

  5160.                                check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||

  5161.                                check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||

  5162.                                check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||

  5163.                                die "ERROR: opengl not found."

  5164.                              }

  5165. enabled openssl           && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||

  5166.                                check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||

  5167.                                check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||

  5168.                                die "ERROR: openssl not found"; }

  5169. enabled qtkit_indev      && { check_header_oc QTKit/QTKit.h || disable qtkit_indev; }

  5170. 

  5171. if enabled gnutls; then

  5172.     { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||

  5173.     { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }

  5174. fi

  5175. 

  5176. # libdc1394 check

  5177. if enabled libdc1394; then

  5178.     { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&

  5179.         enable libdc1394_2; } ||

  5180.     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&

  5181.         enable libdc1394_1; } ||

  5182.     die "ERROR: No version of libdc1394 found "

  5183. fi

  5184. if ! disabled sdl; then

  5185.     SDL_CONFIG="${cross_prefix}sdl-config"

  5186.     if check_pkg_config sdl SDL_events.h SDL_PollEvent; then

  5187.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5188.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5189.         enable sdl

  5190.     else

  5191.         if "${SDL_CONFIG}" --version > /dev/null 2>&1; then

  5192.             sdl_cflags=$("${SDL_CONFIG}" --cflags)

  5193.             sdl_libs=$("${SDL_CONFIG}" --libs)

  5194.             check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&

  5195.             check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5196.             check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5197.             enable sdl

  5198.         elif enabled sdl ; then

  5199.             die "ERROR: SDL not found"

  5200.         else

  5201.             disable sdl

  5202.         fi

  5203.     fi

  5204. fi

  5205. enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs

  5206. 

  5207. makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo

  5208. enabled makeinfo && (makeinfo --version | \

  5209.                      grep -q 'makeinfo (GNU texinfo) 5' > /dev/null 2>&1) \

  5210.     && enable makeinfo_html || disable makeinfo_html

  5211. disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html

  5212. perl -v            > /dev/null 2>&1 && enable perl      || disable perl

  5213. pod2man --help     > /dev/null 2>&1 && enable pod2man   || disable pod2man

  5214. rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout

  5215. 

  5216. check_header linux/fb.h

  5217. check_header linux/videodev.h

  5218. check_header linux/videodev2.h

  5219. check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5220. 

  5221. check_header sys/videoio.h

  5222. check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5223. 

  5224. check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"

  5225. # check that WM_CAP_DRIVER_CONNECT is defined to the proper value

  5226. # w32api 3.12 had it defined wrong

  5227. check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines

  5228. 

  5229. check_type "dshow.h" IBaseFilter

  5230. 

  5231. # check for ioctl_meteor.h, ioctl_bt848.h and alternatives

  5232. { check_header dev/bktr/ioctl_meteor.h &&

  5233.   check_header dev/bktr/ioctl_bt848.h; } ||

  5234. { check_header machine/ioctl_meteor.h &&

  5235.   check_header machine/ioctl_bt848.h; } ||

  5236. { check_header dev/video/meteor/ioctl_meteor.h &&

  5237.   check_header dev/video/bktr/ioctl_bt848.h; } ||

  5238. check_header dev/ic/bt8xx.h

  5239. 

  5240. check_header sndio.h

  5241. if check_struct sys/soundcard.h audio_buf_info bytes; then

  5242.     enable_safe sys/soundcard.h

  5243. else

  5244.     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h

  5245.     #include <sys/soundcard.h>

  5246.     audio_buf_info abc;

  5247. EOF

  5248. fi

  5249. check_header soundcard.h

  5250. 

  5251. enabled_any alsa_indev alsa_outdev &&

  5252.     check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound

  5253. 

  5254. enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&

  5255.     check_func jack_port_get_latency_range -ljack

  5256. 

  5257. enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio

  5258. 

  5259. if enabled libcdio; then

  5260.     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5261.     check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5262.     die "ERROR: No usable libcdio/cdparanoia found"

  5263. fi

  5264. 

  5265. enabled xlib &&

  5266.     check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib

  5267. 

  5268. if ! disabled libxcb; then

  5269.     check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {

  5270.         enabled libxcb && die "ERROR: libxcb >= 1.4 not found";

  5271.     } && disable x11grab && enable libxcb

  5272. 

  5273. if enabled libxcb; then

  5274.     disabled libxcb_shm || {

  5275.         check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {

  5276.             enabled libxcb_shm && die "ERROR: libxcb_shm not found";

  5277.         } && check_header sys/shm.h && enable libxcb_shm; }

  5278. 

  5279.     disabled libxcb_xfixes || {

  5280.         check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {

  5281.             enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";

  5282.         } && enable libxcb_xfixes; }

  5283. 

  5284.     disabled libxcb_shape || {

  5285.         check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {

  5286.             enabled libxcb_shape && die "ERROR: libxcb_shape not found";

  5287.         } && enable libxcb_shape; }

  5288. 

  5289.     add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags

  5290.     add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs

  5291. fi

  5292. fi

  5293. 

  5294. if enabled x11grab; then

  5295.     enabled xlib || die "ERROR: Xlib not found"

  5296.     require Xext X11/extensions/XShm.h XShmCreateImage -lXext

  5297.     require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes

  5298. fi

  5299. 

  5300. check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"

  5301. 

  5302. enabled dxva2api_h &&

  5303.     check_cc <<EOF && enable dxva2api_cobj

  5304. #define _WIN32_WINNT 0x0600

  5305. #define COBJMACROS

  5306. #include <windows.h>

  5307. #include <d3d9.h>

  5308. #include <dxva2api.h>

  5309. int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }

  5310. EOF

  5311. 

  5312. enabled d3d11_h &&

  5313.     check_cc <<EOF && enable d3d11_cobj

  5314. #define _WIN32_WINNT 0x0600

  5315. #define COBJMACROS

  5316. #include <windows.h>

  5317. #include <d3d11.h>

  5318. int main(void) { ID3D11VideoDecoder *o = NULL; ID3D11VideoDecoder_Release(o); return 0; }

  5319. EOF

  5320. 

  5321. enabled vaapi &&

  5322.     check_lib va/va.h vaInitialize -lva ||

  5323.     disable vaapi

  5324. 

  5325. enabled vaapi && enabled xlib &&

  5326.     check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&

  5327.     enable vaapi_x11

  5328. 

  5329. enabled vdpau &&

  5330.     check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||

  5331.     disable vdpau

  5332. 

  5333. enabled vdpau && enabled xlib &&

  5334.     check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&

  5335.     prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&

  5336.     enable vdpau_x11

  5337. 

  5338. # Funny iconv installations are not unusual, so check it after all flags have been set

  5339. disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv

  5340. 

  5341. enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"

  5342. 

  5343. # add some useful compiler flags if supported

  5344. check_cflags -Wdeclaration-after-statement

  5345. check_cflags -Wall

  5346. check_cflags -Wdisabled-optimization

  5347. check_cflags -Wpointer-arith

  5348. check_cflags -Wredundant-decls

  5349. check_cflags -Wwrite-strings

  5350. check_cflags -Wtype-limits

  5351. check_cflags -Wundef

  5352. check_cflags -Wmissing-prototypes

  5353. check_cflags -Wno-pointer-to-int-cast

  5354. check_cflags -Wstrict-prototypes

  5355. check_cflags -Wempty-body

  5356. enabled extra_warnings && check_cflags -Winline

  5357. 

  5358. check_disable_warning(){

  5359.     warning_flag=-W${1#-Wno-}

  5360.     test_cflags $warning_flag && add_cflags $1

  5361. }

  5362. 

  5363. check_disable_warning -Wno-parentheses

  5364. check_disable_warning -Wno-switch

  5365. check_disable_warning -Wno-format-zero-length

  5366. check_disable_warning -Wno-pointer-sign

  5367. 

  5368. # add some linker flags

  5369. check_ldflags -Wl,--warn-common

  5370. check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample

  5371. enabled rpath && add_ldexeflags -Wl,-rpath,$libdir

  5372. test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic

  5373. 

  5374. # add some strip flags

  5375. # -wN '..@*' is more selective than -x, but not available everywhere.

  5376. check_stripflags -wN \'..@*\' || check_stripflags -x

  5377. 

  5378. enabled neon_clobber_test &&

  5379.     check_ldflags -Wl,--wrap,avcodec_open2              \

  5380.                   -Wl,--wrap,avcodec_decode_audio4      \

  5381.                   -Wl,--wrap,avcodec_decode_video2      \

  5382.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  5383.                   -Wl,--wrap,avcodec_encode_audio2      \

  5384.                   -Wl,--wrap,avcodec_encode_video2      \

  5385.                   -Wl,--wrap,avcodec_encode_subtitle    \

  5386.                   -Wl,--wrap,swr_convert                \

  5387.                   -Wl,--wrap,avresample_convert ||

  5388.     disable neon_clobber_test

  5389. 

  5390. enabled xmm_clobber_test &&

  5391.     check_ldflags -Wl,--wrap,avcodec_open2              \

  5392.                   -Wl,--wrap,avcodec_decode_audio4      \

  5393.                   -Wl,--wrap,avcodec_decode_video2      \

  5394.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  5395.                   -Wl,--wrap,avcodec_encode_audio2      \

  5396.                   -Wl,--wrap,avcodec_encode_video       \

  5397.                   -Wl,--wrap,avcodec_encode_video2      \

  5398.                   -Wl,--wrap,avcodec_encode_subtitle    \

  5399.                   -Wl,--wrap,swr_convert                \

  5400.                   -Wl,--wrap,avresample_convert         \

  5401.                   -Wl,--wrap,sws_scale ||

  5402.     disable xmm_clobber_test

  5403. 

  5404. echo "X{};" > $TMPV

  5405. if test_ldflags -Wl,--version-script,$TMPV; then

  5406.     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'

  5407.     check_cc <<EOF && enable symver_asm_label

  5408. void ff_foo(void) __asm__ ("av_foo@VERSION");

  5409. void ff_foo(void) { ${inline_asm+__asm__($quotes);} }

  5410. EOF

  5411.     check_cc <<EOF && enable symver_gnu_asm

  5412. __asm__(".symver ff_foo,av_foo@VERSION");

  5413. void ff_foo(void) {}

  5414. EOF

  5415. fi

  5416. 

  5417. if [ -z "$optflags" ]; then

  5418.     if enabled small; then

  5419.         optflags=$cflags_size

  5420.     elif enabled optimizations; then

  5421.         optflags=$cflags_speed

  5422.     else

  5423.         optflags=$cflags_noopt

  5424.     fi

  5425. fi

  5426. 

  5427. check_optflags(){

  5428.     check_cflags "$@"

  5429.     enabled lto && check_ldflags "$@"

  5430. }

  5431. 

  5432. 

  5433. if enabled lto; then

  5434.     test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"

  5435.     check_cflags  -flto

  5436.     check_ldflags -flto $cpuflags

  5437.     disable inline_asm_direct_symbol_refs

  5438. fi

  5439. 

  5440. check_optflags $optflags

  5441. check_optflags -fno-math-errno

  5442. check_optflags -fno-signed-zeros

  5443. 

  5444. enabled ftrapv && check_cflags -ftrapv

  5445. 

  5446. check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"

  5447. int x;

  5448. EOF

  5449. 

  5450. 

  5451. if enabled icc; then

  5452.     # Just warnings, no remarks

  5453.     check_cflags -w1

  5454.     # -wd: Disable following warnings

  5455.     # 144, 167, 556: -Wno-pointer-sign

  5456.     # 188: enumerated type mixed with another type

  5457.     # 1292: attribute "foo" ignored

  5458.     # 1419: external declaration in primary source file

  5459.     # 10006: ignoring unknown option -fno-signed-zeros

  5460.     # 10148: ignoring unknown option -Wno-parentheses

  5461.     # 10156: ignoring option '-W'; no argument required

  5462.     # 13200: No EMMS instruction before call to function

  5463.     # 13203: No EMMS instruction before return from function

  5464.     check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203

  5465.     # 11030: Warning unknown option --as-needed

  5466.     # 10156: ignoring option '-export'; no argument required

  5467.     check_ldflags -wd10156,11030

  5468.     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test

  5469.     enable ebp_available

  5470.     # The test above does not test linking

  5471.     enabled lto && disable symver_asm_label

  5472.     if enabled x86_32; then

  5473.         icc_version=$($cc -dumpversion)

  5474.         test ${icc_version%%.*} -ge 11 &&

  5475.             check_cflags -falign-stack=maintain-16-byte ||

  5476.             disable aligned_stack

  5477.     fi

  5478. elif enabled ccc; then

  5479.     # disable some annoying warnings

  5480.     add_cflags -msg_disable bitnotint

  5481.     add_cflags -msg_disable mixfuncvoid

  5482.     add_cflags -msg_disable nonstandcast

  5483.     add_cflags -msg_disable unsupieee

  5484. elif enabled gcc; then

  5485.     check_optflags -fno-tree-vectorize

  5486.     check_cflags -Werror=format-security

  5487.     check_cflags -Werror=implicit-function-declaration

  5488.     check_cflags -Werror=missing-prototypes

  5489.     check_cflags -Werror=return-type

  5490.     check_cflags -Werror=vla

  5491.     check_cflags -Wformat

  5492.     check_cflags -fdiagnostics-color=auto

  5493.     enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized

  5494. elif enabled llvm_gcc; then

  5495.     check_cflags -mllvm -stack-alignment=16

  5496. elif enabled clang; then

  5497.     check_cflags -mllvm -stack-alignment=16

  5498.     check_cflags -Qunused-arguments

  5499.     check_cflags -Werror=implicit-function-declaration

  5500.     check_cflags -Werror=missing-prototypes

  5501.     check_cflags -Werror=return-type

  5502. elif enabled cparser; then

  5503.     add_cflags -Wno-missing-variable-declarations

  5504.     add_cflags -Wno-empty-statement

  5505. elif enabled armcc; then

  5506.     add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat

  5507.     add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir

  5508.     # 2523: use of inline assembly is deprecated

  5509.     add_cflags -W${armcc_opt},--diag_suppress=2523

  5510.     add_cflags -W${armcc_opt},--diag_suppress=1207

  5511.     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition

  5512.     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat

  5513.     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign

  5514.     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign

  5515. elif enabled tms470; then

  5516.     add_cflags -pds=824 -pds=837

  5517.     disable inline_asm

  5518. elif enabled pathscale; then

  5519.     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF

  5520. elif enabled_any msvc icl; then

  5521.     enabled x86_32 && disable aligned_stack

  5522.     enabled_all x86_32 debug && add_cflags -Oy-

  5523.     enabled debug && add_ldflags -debug

  5524.     enable pragma_deprecated

  5525.     if enabled icl; then

  5526.         # -Qansi-alias is basically -fstrict-aliasing, but does not work

  5527.         # (correctly) on icl 13.x.

  5528.         check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&

  5529.             add_cflags -Qansi-alias

  5530.         # Some inline asm is not compilable in debug

  5531.         if enabled debug; then

  5532.             disable ebp_available

  5533.             disable ebx_available

  5534.         fi

  5535.     fi

  5536.     # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.

  5537.     check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2

  5538. fi

  5539. 

  5540. case $as_type in

  5541.     clang)

  5542.         add_asflags -Qunused-arguments

  5543.     ;;

  5544. esac

  5545. 

  5546. case $ld_type in

  5547.     clang)

  5548.         check_ldflags -Qunused-arguments

  5549.     ;;

  5550. esac

  5551. 

  5552. case $target_os in

  5553.     osf1)

  5554.         enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'

  5555.     ;;

  5556.     plan9)

  5557.         add_cppflags -Dmain=plan9_main

  5558.     ;;

  5559. esac

  5560. 

  5561. enable frame_thread_encoder

  5562. 

  5563. enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }

  5564. 

  5565. check_deps $CONFIG_LIST       \

  5566.            $CONFIG_EXTRA      \

  5567.            $HAVE_LIST         \

  5568.            $ALL_COMPONENTS    \

  5569. 

  5570. 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"

  5571. 

  5572. 

  5573. if test $target_os = "haiku"; then

  5574.     disable memalign

  5575.     disable posix_memalign

  5576. fi

  5577. 

  5578. enabled_all d3d11va d3d11_cobj CoTaskMemFree &&

  5579.     prepend ffmpeg_libs $($ldflags_filter "-lole32") &&

  5580.     enable d3d11va_lib

  5581. 

  5582. enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&

  5583.     prepend ffmpeg_libs $($ldflags_filter "-lole32" "-luser32") &&

  5584.     enable dxva2_lib

  5585. 

  5586. ! enabled_any memalign posix_memalign aligned_malloc &&

  5587.     enabled simd_align_16 && enable memalign_hack

  5588. 

  5589. # add_dep lib dep

  5590. # -> enable ${lib}_deps_${dep}

  5591. # -> add $dep to ${lib}_deps only once

  5592. add_dep() {

  5593.     lib=$1

  5594.     dep=$2

  5595.     enabled "${lib}_deps_${dep}" && return 0

  5596.     enable  "${lib}_deps_${dep}"

  5597.     prepend "${lib}_deps" $dep

  5598. }

  5599. 

  5600. # merge deps lib components

  5601. # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*

  5602. merge_deps() {

  5603.     lib=$1

  5604.     shift

  5605.     for comp in $*; do

  5606.         enabled $comp || continue

  5607.         eval "dep=\"\$${comp}_deps\""

  5608.         for d in $dep; do

  5609.             add_dep $lib $d

  5610.         done

  5611.     done

  5612. }

  5613. 

  5614. merge_deps libavfilter $FILTER_LIST

  5615. 

  5616. map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST

  5617. 

  5618. for thread in $THREADS_LIST; do

  5619.     if enabled $thread; then

  5620.         test -n "$thread_type" &&

  5621.             die "ERROR: Only one thread type must be selected." ||

  5622.             thread_type="$thread"

  5623.     fi

  5624. done

  5625. 

  5626. enabled zlib && add_cppflags -DZLIB_CONST

  5627. 

  5628. # conditional library dependencies, in linking order

  5629. enabled amovie_filter       && prepend avfilter_deps "avformat avcodec"

  5630. enabled aresample_filter    && prepend avfilter_deps "swresample"

  5631. enabled asyncts_filter      && prepend avfilter_deps "avresample"

  5632. enabled atempo_filter       && prepend avfilter_deps "avcodec"

  5633. enabled cover_rect_filter   && prepend avfilter_deps "avformat avcodec"

  5634. enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"

  5635. enabled elbg_filter         && prepend avfilter_deps "avcodec"

  5636. enabled fftfilt_filter      && prepend avfilter_deps "avcodec"

  5637. enabled find_rect_filter    && prepend avfilter_deps "avformat avcodec"

  5638. enabled mcdeint_filter      && prepend avfilter_deps "avcodec"

  5639. enabled movie_filter    && prepend avfilter_deps "avformat avcodec"

  5640. enabled pan_filter          && prepend avfilter_deps "swresample"

  5641. enabled pp_filter           && prepend avfilter_deps "postproc"

  5642. enabled removelogo_filter   && prepend avfilter_deps "avformat avcodec swscale"

  5643. enabled resample_filter && prepend avfilter_deps "avresample"

  5644. enabled sab_filter          && prepend avfilter_deps "swscale"

  5645. enabled scale_filter    && prepend avfilter_deps "swscale"

  5646. enabled showspectrum_filter && prepend avfilter_deps "avcodec"

  5647. enabled smartblur_filter    && prepend avfilter_deps "swscale"

  5648. enabled subtitles_filter    && prepend avfilter_deps "avformat avcodec"

  5649. enabled uspp_filter         && prepend avfilter_deps "avcodec"

  5650. 

  5651. enabled lavfi_indev         && prepend avdevice_deps "avfilter"

  5652. 

  5653. enabled opus_decoder    && prepend avcodec_deps "swresample"

  5654. 

  5655. expand_deps(){

  5656.     lib_deps=${1}_deps

  5657.     eval "deps=\$$lib_deps"

  5658.     append $lib_deps $(map 'eval echo \$${v}_deps' $deps)

  5659.     unique $lib_deps

  5660. }

  5661. 

  5662. #we have to remove gpl from the deps here as some code assumes all lib deps are libs

  5663. postproc_deps="$(filter_out 'gpl' $postproc_deps)"

  5664. 

  5665. map 'expand_deps $v' $LIBRARY_LIST

  5666. 

  5667. echo "install prefix            $prefix"

  5668. echo "source path               $source_path"

  5669. echo "C compiler                $cc"

  5670. echo "C library                 $libc_type"

  5671. if test "$host_cc" != "$cc"; then

  5672.     echo "host C compiler           $host_cc"

  5673.     echo "host C library            $host_libc_type"

  5674. fi

  5675. echo "ARCH                      $arch ($cpu)"

  5676. if test "$build_suffix" != ""; then

  5677.     echo "build suffix              $build_suffix"

  5678. fi

  5679. if test "$progs_suffix" != ""; then

  5680.     echo "progs suffix              $progs_suffix"

  5681. fi

  5682. if test "$extra_version" != ""; then

  5683.     echo "version string suffix     $extra_version"

  5684. fi

  5685. echo "big-endian                ${bigendian-no}"

  5686. echo "runtime cpu detection     ${runtime_cpudetect-no}"

  5687. if enabled x86; then

  5688.     echo "${yasmexe}                      ${yasm-no}"

  5689.     echo "MMX enabled               ${mmx-no}"

  5690.     echo "MMXEXT enabled            ${mmxext-no}"

  5691.     echo "3DNow! enabled            ${amd3dnow-no}"

  5692.     echo "3DNow! extended enabled   ${amd3dnowext-no}"

  5693.     echo "SSE enabled               ${sse-no}"

  5694.     echo "SSSE3 enabled             ${ssse3-no}"

  5695.     echo "AVX enabled               ${avx-no}"

  5696.     echo "XOP enabled               ${xop-no}"

  5697.     echo "FMA3 enabled              ${fma3-no}"

  5698.     echo "FMA4 enabled              ${fma4-no}"

  5699.     echo "i686 features enabled     ${i686-no}"

  5700.     echo "CMOV is fast              ${fast_cmov-no}"

  5701.     echo "EBX available             ${ebx_available-no}"

  5702.     echo "EBP available             ${ebp_available-no}"

  5703. fi

  5704. if enabled aarch64; then

  5705.     echo "NEON enabled              ${neon-no}"

  5706.     echo "VFP enabled               ${vfp-no}"

  5707. fi

  5708. if enabled arm; then

  5709.     echo "ARMv5TE enabled           ${armv5te-no}"

  5710.     echo "ARMv6 enabled             ${armv6-no}"

  5711.     echo "ARMv6T2 enabled           ${armv6t2-no}"

  5712.     echo "VFP enabled               ${vfp-no}"

  5713.     echo "NEON enabled              ${neon-no}"

  5714.     echo "THUMB enabled             ${thumb-no}"

  5715. fi

  5716. if enabled mips; then

  5717.     echo "MIPS FPU enabled          ${mipsfpu-no}"

  5718.     echo "MIPS32R5 enabled          ${mips32r5-no}"

  5719.     echo "MIPS64R6 enabled          ${mips64r6-no}"

  5720.     echo "MIPS DSP R1 enabled       ${mipsdspr1-no}"

  5721.     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"

  5722.     echo "MIPS MSA enabled          ${msa-no}"

  5723.     echo "LOONGSON3 enabled         ${loongson3-no}"

  5724. fi

  5725. if enabled ppc; then

  5726.     echo "AltiVec enabled           ${altivec-no}"

  5727.     echo "PPC 4xx optimizations     ${ppc4xx-no}"

  5728.     echo "PPC VSX optimizations     ${vsx-no}"

  5729.     echo "dcbzl available           ${dcbzl-no}"

  5730. fi

  5731. echo "debug symbols             ${debug-no}"

  5732. echo "strip symbols             ${stripping-no}"

  5733. echo "optimize for size         ${small-no}"

  5734. echo "optimizations             ${optimizations-no}"

  5735. echo "static                    ${static-no}"

  5736. echo "shared                    ${shared-no}"

  5737. echo "postprocessing support    ${postproc-no}"

  5738. echo "new filter support        ${avfilter-no}"

  5739. echo "network support           ${network-no}"

  5740. echo "threading support         ${thread_type-no}"

  5741. echo "safe bitstream reader     ${safe_bitstream_reader-no}"

  5742. echo "SDL support               ${sdl-no}"

  5743. echo "opencl enabled            ${opencl-no}"

  5744. echo "texi2html enabled         ${texi2html-no}"

  5745. echo "perl enabled              ${perl-no}"

  5746. echo "pod2man enabled           ${pod2man-no}"

  5747. echo "makeinfo enabled          ${makeinfo-no}"

  5748. echo "makeinfo supports HTML    ${makeinfo_html-no}"

  5749. test -n "$random_seed" &&

  5750.     echo "random seed               ${random_seed}"

  5751. echo

  5752. 

  5753. echo "External libraries:"

  5754. print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns

  5755. echo

  5756. 

  5757. for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do

  5758.     echo "Enabled ${type}s:"

  5759.     eval list=\$$(toupper $type)_LIST

  5760.     print_enabled '_*' $list | print_3_columns

  5761.     echo

  5762. done

  5763. 

  5764. license="LGPL version 2.1 or later"

  5765. if enabled nonfree; then

  5766.     license="nonfree and unredistributable"

  5767. elif enabled gplv3; then

  5768.     license="GPL version 3 or later"

  5769. elif enabled lgplv3; then

  5770.     license="LGPL version 3 or later"

  5771. elif enabled gpl; then

  5772.     license="GPL version 2 or later"

  5773. fi

  5774. 

  5775. echo "License: $license"

  5776. 

  5777. echo "Creating config.mak, config.h, and doc/config.texi..."

  5778. 

  5779. test -e Makefile || echo "include $source_path/Makefile" > Makefile

  5780. 

  5781. enabled stripping || strip="echo skipping strip"

  5782. 

  5783. config_files="$TMPH config.mak doc/config.texi"

  5784. 

  5785. cat > config.mak <<EOF

  5786. # Automatically generated by configure - do not modify!

  5787. ifndef FFMPEG_CONFIG_MAK

  5788. FFMPEG_CONFIG_MAK=1

  5789. FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION

  5790. prefix=$prefix

  5791. LIBDIR=\$(DESTDIR)$libdir

  5792. SHLIBDIR=\$(DESTDIR)$shlibdir

  5793. INCDIR=\$(DESTDIR)$incdir

  5794. BINDIR=\$(DESTDIR)$bindir

  5795. DATADIR=\$(DESTDIR)$datadir

  5796. DOCDIR=\$(DESTDIR)$docdir

  5797. MANDIR=\$(DESTDIR)$mandir

  5798. SRC_PATH=$source_path

  5799. ifndef MAIN_MAKEFILE

  5800. SRC_PATH:=\$(SRC_PATH:.%=..%)

  5801. endif

  5802. CC_IDENT=$cc_ident

  5803. ARCH=$arch

  5804. INTRINSICS=$intrinsics

  5805. CC=$cc

  5806. CXX=$cxx

  5807. AS=$as

  5808. LD=$ld

  5809. DEPCC=$dep_cc

  5810. DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)

  5811. DEPAS=$as

  5812. DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)

  5813. YASM=$yasmexe

  5814. DEPYASM=$yasmexe

  5815. AR=$ar

  5816. ARFLAGS=$arflags

  5817. AR_O=$ar_o

  5818. RANLIB=$ranlib

  5819. STRIP=$strip

  5820. CP=cp -p

  5821. LN_S=$ln_s

  5822. CPPFLAGS=$CPPFLAGS

  5823. CFLAGS=$CFLAGS

  5824. CXXFLAGS=$CXXFLAGS

  5825. ASFLAGS=$ASFLAGS

  5826. AS_C=$AS_C

  5827. AS_O=$AS_O

  5828. CC_C=$CC_C

  5829. CC_E=$CC_E

  5830. CC_O=$CC_O

  5831. CXX_C=$CXX_C

  5832. CXX_O=$CXX_O

  5833. LD_O=$LD_O

  5834. LD_LIB=$LD_LIB

  5835. LD_PATH=$LD_PATH

  5836. DLLTOOL=$dlltool

  5837. WINDRES=$windres

  5838. DEPWINDRES=$dep_cc

  5839. DOXYGEN=$doxygen

  5840. LDFLAGS=$LDFLAGS

  5841. LDEXEFLAGS=$LDEXEFLAGS

  5842. SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))

  5843. ASMSTRIPFLAGS=$ASMSTRIPFLAGS

  5844. YASMFLAGS=$YASMFLAGS

  5845. BUILDSUF=$build_suffix

  5846. PROGSSUF=$progs_suffix

  5847. FULLNAME=$FULLNAME

  5848. LIBPREF=$LIBPREF

  5849. LIBSUF=$LIBSUF

  5850. LIBNAME=$LIBNAME

  5851. SLIBPREF=$SLIBPREF

  5852. SLIBSUF=$SLIBSUF

  5853. EXESUF=$EXESUF

  5854. EXTRA_VERSION=$extra_version

  5855. CCDEP=$CCDEP

  5856. CXXDEP=$CXXDEP

  5857. CCDEP_FLAGS=$CCDEP_FLAGS

  5858. ASDEP=$ASDEP

  5859. ASDEP_FLAGS=$ASDEP_FLAGS

  5860. CC_DEPFLAGS=$CC_DEPFLAGS

  5861. AS_DEPFLAGS=$AS_DEPFLAGS

  5862. HOSTCC=$host_cc

  5863. HOSTLD=$host_ld

  5864. HOSTCFLAGS=$host_cflags

  5865. HOSTCPPFLAGS=$host_cppflags

  5866. HOSTEXESUF=$HOSTEXESUF

  5867. HOSTLDFLAGS=$host_ldflags

  5868. HOSTLIBS=$host_libs

  5869. DEPHOSTCC=$host_cc

  5870. DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)

  5871. HOSTCCDEP=$HOSTCCDEP

  5872. HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS

  5873. HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS

  5874. HOSTCC_C=$HOSTCC_C

  5875. HOSTCC_O=$HOSTCC_O

  5876. HOSTLD_O=$HOSTLD_O

  5877. TARGET_EXEC=$target_exec $target_exec_args

  5878. TARGET_PATH=$target_path

  5879. TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}

  5880. CFLAGS-ffplay=$sdl_cflags

  5881. ZLIB=$($ldflags_filter -lz)

  5882. LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD

  5883. EXTRALIBS=$extralibs

  5884. COMPAT_OBJS=$compat_objs

  5885. EXEOBJS=$exeobjs

  5886. INSTALL=$install

  5887. LIBTARGET=${LIBTARGET}

  5888. SLIBNAME=${SLIBNAME}

  5889. SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}

  5890. SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}

  5891. SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}

  5892. SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}

  5893. SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}

  5894. SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}

  5895. SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}

  5896. SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}

  5897. SAMPLES:=${samples:-\$(FATE_SAMPLES)}

  5898. NOREDZONE_FLAGS=$noredzone_flags

  5899. EOF

  5900. 

  5901. get_version(){

  5902.     lcname=lib${1}

  5903.     name=$(toupper $lcname)

  5904.     file=$source_path/$lcname/version.h

  5905.     eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")

  5906.     enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))

  5907.     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO

  5908.     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak

  5909.     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak

  5910.     eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak

  5911. }

  5912. 

  5913. map 'get_version $v' $LIBRARY_LIST

  5914. 

  5915. map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST

  5916. 

  5917. print_program_libs(){

  5918.     eval "program_libs=\$${1}_libs"

  5919.     eval echo "LIBS-${1}=${program_libs}" >> config.mak

  5920. }

  5921. 

  5922. map 'print_program_libs $v' $PROGRAM_LIST

  5923. 

  5924. cat > $TMPH <<EOF

  5925. /* Automatically generated by configure - do not modify! */

  5926. #ifndef FFMPEG_CONFIG_H

  5927. #define FFMPEG_CONFIG_H

  5928. #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"

  5929. #define FFMPEG_LICENSE "$(c_escape $license)"

  5930. #define CONFIG_THIS_YEAR 2015

  5931. #define FFMPEG_DATADIR "$(eval c_escape $datadir)"

  5932. #define AVCONV_DATADIR "$(eval c_escape $datadir)"

  5933. #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"

  5934. #define av_restrict $_restrict

  5935. #define EXTERN_PREFIX "${extern_prefix}"

  5936. #define EXTERN_ASM ${extern_prefix}

  5937. #define BUILDSUF "$build_suffix"

  5938. #define SLIBSUF "$SLIBSUF"

  5939. #define HAVE_MMX2 HAVE_MMXEXT

  5940. #define SWS_MAX_FILTER_SIZE $sws_max_filter_size

  5941. EOF

  5942. 

  5943. test -n "$assert_level" &&

  5944.     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH

  5945. 

  5946. test -n "$malloc_prefix" &&

  5947.     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH

  5948. 

  5949. if enabled yasm; then

  5950.     append config_files $TMPASM

  5951.     printf '' >$TMPASM

  5952. fi

  5953. 

  5954. enabled getenv || echo "#define getenv(x) NULL" >> $TMPH

  5955. 

  5956. 

  5957. mkdir -p doc

  5958. mkdir -p tests

  5959. echo "@c auto-generated by configure" > doc/config.texi

  5960. 

  5961. print_config ARCH_   "$config_files" $ARCH_LIST

  5962. print_config HAVE_   "$config_files" $HAVE_LIST

  5963. print_config CONFIG_ "$config_files" $CONFIG_LIST       \

  5964.                                      $CONFIG_EXTRA      \

  5965.                                      $ALL_COMPONENTS    \

  5966. 

  5967. echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH

  5968. echo "endif # FFMPEG_CONFIG_MAK" >> config.mak

  5969. 

  5970. # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.

  5971. cp_if_changed $TMPH config.h

  5972. touch .config

  5973. 

  5974. enabled yasm && cp_if_changed $TMPASM config.asm

  5975. 

  5976. cat > $TMPH <<EOF

  5977. /* Generated by ffconf */

  5978. #ifndef AVUTIL_AVCONFIG_H

  5979. #define AVUTIL_AVCONFIG_H

  5980. EOF

  5981. 

  5982. print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB

  5983. 

  5984. echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH

  5985. 

  5986. cp_if_changed $TMPH libavutil/avconfig.h

  5987. 

  5988. if test -n "$WARNINGS"; then

  5989.     printf "\n$WARNINGS"

  5990.     enabled fatal_warnings && exit 1

  5991. fi

  5992. 

  5993. # build pkg-config files

  5994. 

  5995. lib_version(){

  5996.     eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""

  5997. }

  5998. 

  5999. pkgconfig_generate(){

  6000.     name=$1

  6001.     shortname=${name#lib}${build_suffix}

  6002.     comment=$2

  6003.     version=$3

  6004.     libs=$4

  6005.     requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))

  6006.     requires=${requires%, }

  6007.     enabled ${name#lib} || return 0

  6008.     mkdir -p $name

  6009.     cat <<EOF > $name/$name${build_suffix}.pc

  6010. prefix=$prefix

  6011. exec_prefix=\${prefix}

  6012. libdir=$libdir

  6013. includedir=$incdir

  6014. 

  6015. Name: $name

  6016. Description: $comment

  6017. Version: $version

  6018. Requires: $(enabled shared || echo $requires)

  6019. Requires.private: $(enabled shared && echo $requires)

  6020. Conflicts:

  6021. Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)

  6022. Libs.private: $(enabled shared && echo $libs)

  6023. Cflags: -I\${includedir}

  6024. EOF

  6025. 

  6026. mkdir -p doc/examples/pc-uninstalled

  6027. includedir=${source_path}

  6028. [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."

  6029.     cat <<EOF > doc/examples/pc-uninstalled/$name.pc

  6030. prefix=

  6031. exec_prefix=

  6032. libdir=\${pcfiledir}/../../../$name

  6033. includedir=${includedir}

  6034. 

  6035. Name: $name

  6036. Description: $comment

  6037. Version: $version

  6038. Requires: $requires

  6039. Conflicts:

  6040. Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)

  6041. Cflags: -I\${includedir}

  6042. EOF

  6043. }

  6044. 

  6045. pkgconfig_generate libavutil     "FFmpeg utility library"               "$LIBAVUTIL_VERSION"     "$LIBRT $LIBM"

  6046. pkgconfig_generate libavcodec    "FFmpeg codec library"                 "$LIBAVCODEC_VERSION"    "$extralibs"

  6047. pkgconfig_generate libavformat   "FFmpeg container format library"      "$LIBAVFORMAT_VERSION"   "$extralibs"

  6048. pkgconfig_generate libavdevice   "FFmpeg device handling library"       "$LIBAVDEVICE_VERSION"   "$extralibs"

  6049. pkgconfig_generate libavfilter   "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION"   "$extralibs"

  6050. pkgconfig_generate libpostproc   "FFmpeg postprocessing library"        "$LIBPOSTPROC_VERSION"   ""

  6051. pkgconfig_generate libavresample "Libav audio resampling library"       "$LIBAVRESAMPLE_VERSION" "$LIBM"

  6052. pkgconfig_generate libswscale    "FFmpeg image rescaling library"       "$LIBSWSCALE_VERSION"    "$LIBM"

  6053. pkgconfig_generate libswresample "FFmpeg audio resampling library"      "$LIBSWRESAMPLE_VERSION" "$LIBM"