falkTX
/
FFmpeg
mirror of https://github.com/falkTX/FFmpeg.git
1
0
Fork 0
Code Issues 0 Releases 338 Wiki Activity
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
73441 Commits
32 Branches
661MB
Tree: 09883876ca
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from '09883876ca'
${ noResults }
FFmpeg/configure

6131 lines
193KB
Raw Blame History 

  1. #!/bin/sh

  2. #

  3. # FFmpeg configure script

  4. #

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

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

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

  8. #

  9. 

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

  11. LC_ALL=C

  12. export LC_ALL

  13. 

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

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

  16. 

  17. try_exec(){

  18.     echo "Trying shell $1"

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

  20. }

  21. 

  22. unset foo

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

  24. E1="$?"

  25. 

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

  27. E2="$?"

  28. 

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

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

  31.     export FF_CONF_EXEC

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

  33.         FF_CONF_EXEC=1

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

  35.     fi

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

  37.         FF_CONF_EXEC=2

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

  39.     fi

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

  41.         FF_CONF_EXEC=3

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

  43.     fi

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

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

  46.     echo "such as bash or ksh."

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

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

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

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

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

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

  53.     fi

  54.     exit 1

  55. fi

  56. 

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

  58. 

  59. show_help(){

  60.     cat <<EOF

  61. Usage: configure [options]

  62. Options: [defaults in brackets after descriptions]

  63. 

  64. Help options:

  65.   --help                   print this message

  66.   --list-decoders          show all available decoders

  67.   --list-encoders          show all available encoders

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

  69.   --list-demuxers          show all available demuxers

  70.   --list-muxers            show all available muxers

  71.   --list-parsers           show all available parsers

  72.   --list-protocols         show all available protocols

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

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

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

  76.   --list-filters           show all available filters

  77. 

  78. Standard options:

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

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

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

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

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

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

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

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

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

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

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

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

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

  92.                            not part of the dynamic linker search path

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

  94. 

  95. Licensing options:

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

  97.                            and binaries will be under GPL [no]

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

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

  100.                            and binaries will be unredistributable [no]

  101. 

  102. Configuration options:

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

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

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

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

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

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

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

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

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

  112. 

  113. Program options:

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

  115.   --disable-ffmpeg         disable ffmpeg build

  116.   --disable-ffplay         disable ffplay build

  117.   --disable-ffprobe        disable ffprobe build

  118.   --disable-ffserver       disable ffserver build

  119. 

  120. Documentation options:

  121.   --disable-doc            do not build documentation

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

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

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

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

  126. 

  127. Component options:

  128.   --disable-avdevice       disable libavdevice build

  129.   --disable-avcodec        disable libavcodec build

  130.   --disable-avformat       disable libavformat build

  131.   --disable-avutil         disable libavutil build

  132.   --disable-swresample     disable libswresample build

  133.   --disable-swscale        disable libswscale build

  134.   --disable-postproc       disable libpostproc build

  135.   --disable-avfilter       disable libavfilter build

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

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

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

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

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

  141.   --disable-dct            disable DCT code

  142.   --disable-dwt            disable DWT code

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

  144.   --disable-lsp            disable LSP code

  145.   --disable-lzo            disable LZO decoder code

  146.   --disable-mdct           disable MDCT code

  147.   --disable-rdft           disable RDFT code

  148.   --disable-fft            disable FFT code

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

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

  151. 

  152. Hardware accelerators:

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

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

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

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

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

  158. 

  159. Individual component options:

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

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

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

  163.   --disable-encoders       disable all encoders

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

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

  166.   --disable-decoders       disable all decoders

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

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

  169.   --disable-hwaccels       disable all hwaccels

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

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

  172.   --disable-muxers         disable all muxers

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

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

  175.   --disable-demuxers       disable all demuxers

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

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

  178.   --disable-parsers        disable all parsers

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

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

  181.   --disable-bsfs           disable all bitstream filters

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

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

  184.   --disable-protocols      disable all protocols

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

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

  187.   --disable-indevs         disable input devices

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

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

  190.   --disable-outdevs        disable output devices

  191.   --disable-devices        disable all devices

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

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

  194.   --disable-filters        disable all filters

  195. 

  196. External library support:

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

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

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

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

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

  202.                            if openssl is not used [no]

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

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

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

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

  207.                            needed for subtitles and ass filter [no]

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

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

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

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

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

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

  214.                            and libraw1394 [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  229.                            native (de)muxer exists [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  255.                            native implementation exists [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  275.   --enable-opencl          enable OpenCL code

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

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

  278.                            if gnutls is not used [no]

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

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

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

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

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

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

  285. 

  286. Toolchain options:

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

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

  289.                            instruction selection, may crash on older CPUs)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  333. 

  334. Advanced options (experts only):

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

  336.   --disable-symver         disable symbol versioning

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

  338.   --disable-safe-bitstream-reader

  339.                            disable buffer boundary checking in bitreaders

  340.                            (faster, but may crash)

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

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

  343. 

  344. Optimization options (experts only):

  345.   --disable-asm            disable all assembly optimizations

  346.   --disable-altivec        disable AltiVec optimizations

  347.   --disable-vsx            disable VSX optimizations

  348.   --disable-power8         disable POWER8 optimizations

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

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

  351.   --disable-mmx            disable MMX optimizations

  352.   --disable-mmxext         disable MMXEXT optimizations

  353.   --disable-sse            disable SSE optimizations

  354.   --disable-sse2           disable SSE2 optimizations

  355.   --disable-sse3           disable SSE3 optimizations

  356.   --disable-ssse3          disable SSSE3 optimizations

  357.   --disable-sse4           disable SSE4 optimizations

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

  359.   --disable-avx            disable AVX optimizations

  360.   --disable-xop            disable XOP optimizations

  361.   --disable-fma3           disable FMA3 optimizations

  362.   --disable-fma4           disable FMA4 optimizations

  363.   --disable-avx2           disable AVX2 optimizations

  364.   --disable-armv5te        disable armv5te optimizations

  365.   --disable-armv6          disable armv6 optimizations

  366.   --disable-armv6t2        disable armv6t2 optimizations

  367.   --disable-vfp            disable VFP optimizations

  368.   --disable-neon           disable NEON optimizations

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

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

  371.   --disable-mips32r5       disable MIPS32R5 optimizations

  372.   --disable-mips64r6       disable MIPS64R6 optimizations

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

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

  375.   --disable-msa            disable MSA optimizations

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

  377.   --disable-mmi            disable Loongson SIMD optimizations

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

  379. 

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

  381.   --disable-debug          disable debugging symbols

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

  383.   --disable-optimizations  disable compiler optimizations

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

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

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

  387.                            2 causes a slowdown at runtime.

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

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

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

  391.                            Cannot be combined with --target-exec

  392.   --enable-ftrapv          Trap arithmetic overflows

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

  394.                            \$FATE_SAMPLES at make invocation time.

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

  396.                            used only for debugging purposes)

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

  398.                            should be used only for debugging purposes)

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

  400.   --disable-random

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

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

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

  404.                            (group) and PROB the probability associated with

  405.                            NAME (default 0.5).

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

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

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

  409. 

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

  411. EOF

  412.   exit 0

  413. }

  414. 

  415. quotes='""'

  416. 

  417. log(){

  418.     echo "$@" >> $logfile

  419. }

  420. 

  421. log_file(){

  422.     log BEGIN $1

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

  424.     log END $1

  425. }

  426. 

  427. echolog(){

  428.     log "$@"

  429.     echo "$@"

  430. }

  431. 

  432. warn(){

  433.     log "WARNING: $*"

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

  435. }

  436. 

  437. die(){

  438.     echolog "$@"

  439.     cat <<EOF

  440. 

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

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

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

  444. EOF

  445.     if disabled logging; then

  446.         cat <<EOF

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

  448. include the log this produces with your report.

  449. EOF

  450.     else

  451.         cat <<EOF

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

  453. solve the problem.

  454. EOF

  455.     fi

  456.     exit 1

  457. }

  458. 

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

  460. toupper(){

  461.     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ

  462. }

  463. 

  464. tolower(){

  465.     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz

  466. }

  467. 

  468. c_escape(){

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

  470. }

  471. 

  472. sh_quote(){

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

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

  475.     echo "$v"

  476. }

  477. 

  478. cleanws(){

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

  480. }

  481. 

  482. filter(){

  483.     pat=$1

  484.     shift

  485.     for v; do

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

  487.     done

  488. }

  489. 

  490. filter_out(){

  491.     pat=$1

  492.     shift

  493.     for v; do

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

  495.     done

  496. }

  497. 

  498. map(){

  499.     m=$1

  500.     shift

  501.     for v; do eval $m; done

  502. }

  503. 

  504. add_suffix(){

  505.     suffix=$1

  506.     shift

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

  508. }

  509. 

  510. set_all(){

  511.     value=$1

  512.     shift

  513.     for var in $*; do

  514.         eval $var=$value

  515.     done

  516. }

  517. 

  518. set_weak(){

  519.     value=$1

  520.     shift

  521.     for var; do

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

  523.     done

  524. }

  525. 

  526. sanitize_var_name(){

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

  528. }

  529. 

  530. set_safe(){

  531.     var=$1

  532.     shift

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

  534. }

  535. 

  536. get_safe(){

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

  538. }

  539. 

  540. pushvar(){

  541.     for pvar in $*; do

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

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

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

  545.     done

  546. }

  547. 

  548. popvar(){

  549.     for pvar in $*; do

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

  551.         test $level = 0 && continue

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

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

  554.         eval ${pvar}_level=$level

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

  556.     done

  557. }

  558. 

  559. enable(){

  560.     set_all yes $*

  561. }

  562. 

  563. disable(){

  564.     set_all no $*

  565. }

  566. 

  567. enable_weak(){

  568.     set_weak yes $*

  569. }

  570. 

  571. disable_weak(){

  572.     set_weak no $*

  573. }

  574. 

  575. enable_safe(){

  576.     for var; do

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

  578.     done

  579. }

  580. 

  581. disable_safe(){

  582.     for var; do

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

  584.     done

  585. }

  586. 

  587. do_enable_deep(){

  588.     for var; do

  589.         enabled $var && continue

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

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

  592.         pushvar var sgs

  593.         enable_deep $sel

  594.         popvar sgs

  595.         enable_deep_weak $sgs

  596.         popvar var

  597.     done

  598. }

  599. 

  600. enable_deep(){

  601.     do_enable_deep $*

  602.     enable $*

  603. }

  604. 

  605. enable_deep_weak(){

  606.     for var; do

  607.         disabled $var && continue

  608.         pushvar var

  609.         do_enable_deep $var

  610.         popvar var

  611.         enable_weak $var

  612.     done

  613. }

  614. 

  615. enabled(){

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

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

  618. }

  619. 

  620. disabled(){

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

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

  623. }

  624. 

  625. enabled_all(){

  626.     for opt; do

  627.         enabled $opt || return 1

  628.     done

  629. }

  630. 

  631. disabled_all(){

  632.     for opt; do

  633.         disabled $opt || return 1

  634.     done

  635. }

  636. 

  637. enabled_any(){

  638.     for opt; do

  639.         enabled $opt && return 0

  640.     done

  641. }

  642. 

  643. disabled_any(){

  644.     for opt; do

  645.         disabled $opt && return 0

  646.     done

  647.     return 1

  648. }

  649. 

  650. set_default(){

  651.     for opt; do

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

  653.     done

  654. }

  655. 

  656. is_in(){

  657.     value=$1

  658.     shift

  659.     for var in $*; do

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

  661.     done

  662.     return 1

  663. }

  664. 

  665. do_check_deps(){

  666.     for cfg; do

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

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

  669.         disabled ${cfg}_checking && continue

  670.         enable ${cfg}_checking

  671.         append allopts $cfg

  672. 

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

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

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

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

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

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

  679. 

  680.         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

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

  682.         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

  683. 

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

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

  686.         enabled_all  $dep_all || disable $cfg

  687.         enabled_any  $dep_any || disable $cfg

  688.         disabled_any $dep_sel && disable $cfg

  689. 

  690.         if enabled $cfg; then

  691.             enable_deep $dep_sel

  692.             enable_deep_weak $dep_sgs

  693.         fi

  694. 

  695.         disable ${cfg}_checking

  696.     done

  697. }

  698. 

  699. check_deps(){

  700.     unset allopts

  701. 

  702.     do_check_deps "$@"

  703. 

  704.     for cfg in $allopts; do

  705.         enabled $cfg || continue

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

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

  708.     done

  709. }

  710. 

  711. print_config(){

  712.     pfx=$1

  713.     files=$2

  714.     shift 2

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

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

  717.         {

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

  719.             v = \$2;

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

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

  722.             for (f in files) {

  723.                 file = files[f];

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

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

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

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

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

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

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

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

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

  733.                     yesno = \$2;

  734.                     c2 = tolower(c);

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

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

  737.                 }

  738.             }

  739.         }"

  740. }

  741. 

  742. print_enabled(){

  743.     suf=$1

  744.     shift

  745.     for v; do

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

  747.     done

  748. }

  749. 

  750. append(){

  751.     var=$1

  752.     shift

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

  754. }

  755. 

  756. prepend(){

  757.     var=$1

  758.     shift

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

  760. }

  761. 

  762. unique(){

  763.     var=$1

  764.     uniq_list=""

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

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

  767.     done

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

  769. }

  770. 

  771. add_cppflags(){

  772.     append CPPFLAGS "$@"

  773. }

  774. 

  775. add_cflags(){

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

  777. }

  778. 

  779. add_cxxflags(){

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

  781. }

  782. 

  783. add_asflags(){

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

  785. }

  786. 

  787. add_ldflags(){

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

  789. }

  790. 

  791. add_ldexeflags(){

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

  793. }

  794. 

  795. add_stripflags(){

  796.     append ASMSTRIPFLAGS "$@"

  797. }

  798. 

  799. add_extralibs(){

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

  801. }

  802. 

  803. add_host_cppflags(){

  804.     append host_cppflags "$@"

  805. }

  806. 

  807. add_host_cflags(){

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

  809. }

  810. 

  811. add_host_ldflags(){

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

  813. }

  814. 

  815. add_compat(){

  816.     append compat_objs $1

  817.     shift

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

  819. }

  820. 

  821. check_cmd(){

  822.     log "$@"

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

  824. }

  825. 

  826. check_stat(){

  827.     log check_stat "$@"

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

  829. }

  830. 

  831. cc_o(){

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

  833. }

  834. 

  835. cc_e(){

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

  837. }

  838. 

  839. check_cc(){

  840.     log check_cc "$@"

  841.     cat > $TMPC

  842.     log_file $TMPC

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

  844. }

  845. 

  846. check_cxx(){

  847.     log check_cxx "$@"

  848.     cat > $TMPCPP

  849.     log_file $TMPCPP

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

  851. }

  852. 

  853. check_oc(){

  854.     log check_oc "$@"

  855.     cat > $TMPM

  856.     log_file $TMPM

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

  858. }

  859. 

  860. check_cpp(){

  861.     log check_cpp "$@"

  862.     cat > $TMPC

  863.     log_file $TMPC

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

  865. }

  866. 

  867. as_o(){

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

  869. }

  870. 

  871. check_as(){

  872.     log check_as "$@"

  873.     cat > $TMPS

  874.     log_file $TMPS

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

  876. }

  877. 

  878. check_inline_asm(){

  879.     log check_inline_asm "$@"

  880.     name="$1"

  881.     code="$2"

  882.     shift 2

  883.     disable $name

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

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

  886. EOF

  887. }

  888. 

  889. check_insn(){

  890.     log check_insn "$@"

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

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

  893. }

  894. 

  895. check_yasm(){

  896.     log check_yasm "$@"

  897.     echo "$1" > $TMPS

  898.     log_file $TMPS

  899.     shift 1

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

  901. }

  902. 

  903. ld_o(){

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

  905. }

  906. 

  907. check_ld(){

  908.     log check_ld "$@"

  909.     type=$1

  910.     shift 1

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

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

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

  914.     flags=$($ldflags_filter $flags)

  915.     libs=$($ldflags_filter $libs)

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

  917. }

  918. 

  919. print_include(){

  920.     hdr=$1

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

  922.         echo "#include $hdr"    ||

  923.         echo "#include <$hdr>"

  924. }

  925. 

  926. check_code(){

  927.     log check_code "$@"

  928.     check=$1

  929.     headers=$2

  930.     code=$3

  931.     shift 3

  932.     {

  933.         for hdr in $headers; do

  934.             print_include $hdr

  935.         done

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

  937.     } | check_$check "$@"

  938. }

  939. 

  940. check_cppflags(){

  941.     log check_cppflags "$@"

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

  943. int x;

  944. EOF

  945. }

  946. 

  947. test_cflags(){

  948.     log test_cflags "$@"

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

  950.     check_cc "$@" <<EOF

  951. int x;

  952. EOF

  953. }

  954. 

  955. check_cflags(){

  956.     log check_cflags "$@"

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

  958. }

  959. 

  960. check_cxxflags(){

  961.     log check_cxxflags "$@"

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

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

  964. int x;

  965. EOF

  966. }

  967. 

  968. test_ldflags(){

  969.     log test_ldflags "$@"

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

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

  972. EOF

  973. }

  974. 

  975. check_ldflags(){

  976.     log check_ldflags "$@"

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

  978. }

  979. 

  980. test_stripflags(){

  981.     log test_stripflags "$@"

  982.     # call check_cc to get a fresh TMPO

  983.     check_cc <<EOF

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

  985. EOF

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

  987. }

  988. 

  989. check_stripflags(){

  990.     log check_stripflags "$@"

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

  992. }

  993. 

  994. check_header(){

  995.     log check_header "$@"

  996.     header=$1

  997.     shift

  998.     disable_safe $header

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

  1000. #include <$header>

  1001. int x;

  1002. EOF

  1003. }

  1004. 

  1005. check_header_oc(){

  1006.     log check_header_oc "$@"

  1007.     rm -f -- "$TMPO"

  1008.     header=$1

  1009.     shift

  1010.     disable_safe $header

  1011.     {

  1012.        echo "#include <$header>"

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

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

  1015. }

  1016. 

  1017. check_func(){

  1018.     log check_func "$@"

  1019.     func=$1

  1020.     shift

  1021.     disable $func

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

  1023. extern int $func();

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

  1025. EOF

  1026. }

  1027. 

  1028. check_mathfunc(){

  1029.     log check_mathfunc "$@"

  1030.     func=$1

  1031.     narg=$2

  1032.     shift 2

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

  1034.     disable $func

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

  1036. #include <math.h>

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

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

  1039. EOF

  1040. }

  1041. 

  1042. check_func_headers(){

  1043.     log check_func_headers "$@"

  1044.     headers=$1

  1045.     funcs=$2

  1046.     shift 2

  1047.     {

  1048.         for hdr in $headers; do

  1049.             print_include $hdr

  1050.         done

  1051.         for func in $funcs; do

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

  1053.         done

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

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

  1056. }

  1057. 

  1058. check_class_headers_cpp(){

  1059.     log check_class_headers_cpp "$@"

  1060.     headers=$1

  1061.     classes=$2

  1062.     shift 2

  1063.     {

  1064.         for hdr in $headers; do

  1065.             echo "#include <$hdr>"

  1066.         done

  1067.         echo "int main(void) { "

  1068.         i=1

  1069.         for class in $classes; do

  1070.             echo "$class obj$i;"

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

  1072.         done

  1073.         echo "return 0; }"

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

  1075. }

  1076. 

  1077. check_cpp_condition(){

  1078.     log check_cpp_condition "$@"

  1079.     header=$1

  1080.     condition=$2

  1081.     shift 2

  1082.     check_cpp "$@" <<EOF

  1083. #include <$header>

  1084. #if !($condition)

  1085. #error "unsatisfied condition: $condition"

  1086. #endif

  1087. EOF

  1088. }

  1089. 

  1090. check_lib(){

  1091.     log check_lib "$@"

  1092.     header="$1"

  1093.     func="$2"

  1094.     shift 2

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

  1096. }

  1097. 

  1098. check_lib2(){

  1099.     log check_lib2 "$@"

  1100.     headers="$1"

  1101.     funcs="$2"

  1102.     shift 2

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

  1104. }

  1105. 

  1106. check_lib_cpp(){

  1107.     log check_lib_cpp "$@"

  1108.     headers="$1"

  1109.     classes="$2"

  1110.     shift 2

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

  1112. }

  1113. 

  1114. check_pkg_config(){

  1115.     log check_pkg_config "$@"

  1116.     pkgandversion="$1"

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

  1118.     headers="$2"

  1119.     funcs="$3"

  1120.     shift 3

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

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

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

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

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

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

  1127. }

  1128. 

  1129. check_exec(){

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

  1131. }

  1132. 

  1133. check_exec_crash(){

  1134.     code=$(cat)

  1135. 

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

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

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

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

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

  1141. 

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

  1143. #include <signal.h>

  1144. static void sighandler(int sig){

  1145.     raise(SIGTERM);

  1146. }

  1147. int foo(void){

  1148.     $code

  1149. }

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

  1151. int main(void){

  1152.     signal(SIGILL, sighandler);

  1153.     signal(SIGFPE, sighandler);

  1154.     signal(SIGSEGV, sighandler);

  1155. #ifdef SIGBUS

  1156.     signal(SIGBUS, sighandler);

  1157. #endif

  1158.     return func_ptr();

  1159. }

  1160. EOF

  1161. }

  1162. 

  1163. check_type(){

  1164.     log check_type "$@"

  1165.     headers=$1

  1166.     type=$2

  1167.     shift 2

  1168.     disable_safe "$type"

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

  1170. }

  1171. 

  1172. check_struct(){

  1173.     log check_struct "$@"

  1174.     headers=$1

  1175.     struct=$2

  1176.     member=$3

  1177.     shift 3

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

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

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

  1181. }

  1182. 

  1183. check_builtin(){

  1184.     log check_builtin "$@"

  1185.     name=$1

  1186.     headers=$2

  1187.     builtin=$3

  1188.     shift 3

  1189.     disable "$name"

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

  1191. }

  1192. 

  1193. check_compile_assert(){

  1194.     log check_compile_assert "$@"

  1195.     name=$1

  1196.     headers=$2

  1197.     condition=$3

  1198.     shift 3

  1199.     disable "$name"

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

  1201. }

  1202. 

  1203. require(){

  1204.     name="$1"

  1205.     header="$2"

  1206.     func="$3"

  1207.     shift 3

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

  1209. }

  1210. 

  1211. require2(){

  1212.     name="$1"

  1213.     headers="$2"

  1214.     func="$3"

  1215.     shift 3

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

  1217. }

  1218. 

  1219. require_cpp(){

  1220.     name="$1"

  1221.     headers="$2"

  1222.     classes="$3"

  1223.     shift 3

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

  1225. }

  1226. 

  1227. use_pkg_config(){

  1228.     pkg="$1"

  1229.     check_pkg_config "$@" || return 1

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

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

  1232. }

  1233. 

  1234. require_pkg_config(){

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

  1236. }

  1237. 

  1238. require_libfreetype(){

  1239.     log require_libfreetype "$@"

  1240.     pkg="freetype2"

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

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

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

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

  1245.     {

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

  1247.         echo "#include FT_FREETYPE_H"

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

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

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

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

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

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

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

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

  1256. }

  1257. 

  1258. hostcc_e(){

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

  1260. }

  1261. 

  1262. hostcc_o(){

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

  1264. }

  1265. 

  1266. check_host_cc(){

  1267.     log check_host_cc "$@"

  1268.     cat > $TMPC

  1269.     log_file $TMPC

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

  1271. }

  1272. 

  1273. check_host_cpp(){

  1274.     log check_host_cpp "$@"

  1275.     cat > $TMPC

  1276.     log_file $TMPC

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

  1278. }

  1279. 

  1280. check_host_cppflags(){

  1281.     log check_host_cppflags "$@"

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

  1283. int x;

  1284. EOF

  1285. }

  1286. 

  1287. check_host_cflags(){

  1288.     log check_host_cflags "$@"

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

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

  1291. int x;

  1292. EOF

  1293. }

  1294. 

  1295. check_host_cpp_condition(){

  1296.     log check_host_cpp_condition "$@"

  1297.     header=$1

  1298.     condition=$2

  1299.     shift 2

  1300.     check_host_cpp "$@" <<EOF

  1301. #include <$header>

  1302. #if !($condition)

  1303. #error "unsatisfied condition: $condition"

  1304. #endif

  1305. EOF

  1306. }

  1307. 

  1308. apply(){

  1309.     file=$1

  1310.     shift

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

  1312. }

  1313. 

  1314. cp_if_changed(){

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

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

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

  1318. }

  1319. 

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

  1321. # system-dependent things.

  1322. 

  1323. COMPONENT_LIST="

  1324.     bsfs

  1325.     decoders

  1326.     demuxers

  1327.     encoders

  1328.     filters

  1329.     hwaccels

  1330.     indevs

  1331.     muxers

  1332.     outdevs

  1333.     parsers

  1334.     protocols

  1335. "

  1336. 

  1337. EXAMPLE_LIST="

  1338.     avio_reading_example

  1339.     avio_list_dir_example

  1340.     decoding_encoding_example

  1341.     demuxing_decoding_example

  1342.     extract_mvs_example

  1343.     filter_audio_example

  1344.     filtering_audio_example

  1345.     filtering_video_example

  1346.     metadata_example

  1347.     muxing_example

  1348.     qsvdec_example

  1349.     remuxing_example

  1350.     resampling_audio_example

  1351.     scaling_video_example

  1352.     transcode_aac_example

  1353.     transcoding_example

  1354. "

  1355. 

  1356. EXTERNAL_LIBRARY_LIST="

  1357.     avisynth

  1358.     bzlib

  1359.     crystalhd

  1360.     decklink

  1361.     frei0r

  1362.     gnutls

  1363.     iconv

  1364.     ladspa

  1365.     libaacplus

  1366.     libass

  1367.     libbluray

  1368.     libbs2b

  1369.     libcaca

  1370.     libcdio

  1371.     libcelt

  1372.     libdc1394

  1373.     libdcadec

  1374.     libfaac

  1375.     libfdk_aac

  1376.     libflite

  1377.     libfontconfig

  1378.     libfreetype

  1379.     libfribidi

  1380.     libgme

  1381.     libgsm

  1382.     libiec61883

  1383.     libilbc

  1384.     libmfx

  1385.     libmodplug

  1386.     libmp3lame

  1387.     libnut

  1388.     libopencore_amrnb

  1389.     libopencore_amrwb

  1390.     libopencv

  1391.     libopenh264

  1392.     libopenjpeg

  1393.     libopus

  1394.     libpulse

  1395.     libquvi

  1396.     librtmp

  1397.     libschroedinger

  1398.     libshine

  1399.     libsmbclient

  1400.     libsnappy

  1401.     libsoxr

  1402.     libspeex

  1403.     libssh

  1404.     libstagefright_h264

  1405.     libtheora

  1406.     libtwolame

  1407.     libutvideo

  1408.     libv4l2

  1409.     libvidstab

  1410.     libvo_aacenc

  1411.     libvo_amrwbenc

  1412.     libvorbis

  1413.     libvpx

  1414.     libwavpack

  1415.     libwebp

  1416.     libx264

  1417.     libx265

  1418.     libxavs

  1419.     libxcb

  1420.     libxcb_shm

  1421.     libxcb_shape

  1422.     libxcb_xfixes

  1423.     libxvid

  1424.     libzmq

  1425.     libzvbi

  1426.     lzma

  1427.     mmal

  1428.     nvenc

  1429.     openal

  1430.     opencl

  1431.     opengl

  1432.     openssl

  1433.     sdl

  1434.     securetransport

  1435.     x11grab

  1436.     xlib

  1437.     zlib

  1438. "

  1439. 

  1440. DOCUMENT_LIST="

  1441.     doc

  1442.     htmlpages

  1443.     manpages

  1444.     podpages

  1445.     txtpages

  1446. "

  1447. 

  1448. FEATURE_LIST="

  1449.     ftrapv

  1450.     gray

  1451.     hardcoded_tables

  1452.     runtime_cpudetect

  1453.     safe_bitstream_reader

  1454.     shared

  1455.     small

  1456.     static

  1457.     swscale_alpha

  1458. "

  1459. 

  1460. HWACCEL_LIST="

  1461.     d3d11va

  1462.     dxva2

  1463.     vaapi

  1464.     vda

  1465.     vdpau

  1466.     xvmc

  1467. "

  1468. 

  1469. LIBRARY_LIST="

  1470.     avcodec

  1471.     avdevice

  1472.     avfilter

  1473.     avformat

  1474.     avresample

  1475.     avutil

  1476.     postproc

  1477.     swresample

  1478.     swscale

  1479. "

  1480. 

  1481. LICENSE_LIST="

  1482.     gpl

  1483.     nonfree

  1484.     version3

  1485. "

  1486. 

  1487. PROGRAM_LIST="

  1488.     ffplay

  1489.     ffprobe

  1490.     ffserver

  1491.     ffmpeg

  1492. "

  1493. 

  1494. SUBSYSTEM_LIST="

  1495.     dct

  1496.     dwt

  1497.     error_resilience

  1498.     faan

  1499.     fast_unaligned

  1500.     fft

  1501.     lsp

  1502.     lzo

  1503.     mdct

  1504.     pixelutils

  1505.     network

  1506.     rdft

  1507. "

  1508. 

  1509. CONFIG_LIST="

  1510.     $COMPONENT_LIST

  1511.     $DOCUMENT_LIST

  1512.     $EXAMPLE_LIST

  1513.     $EXTERNAL_LIBRARY_LIST

  1514.     $FEATURE_LIST

  1515.     $HWACCEL_LIST

  1516.     $LICENSE_LIST

  1517.     $LIBRARY_LIST

  1518.     $PROGRAM_LIST

  1519.     $SUBSYSTEM_LIST

  1520.     fontconfig

  1521.     incompatible_libav_abi

  1522.     memalign_hack

  1523.     memory_poisoning

  1524.     neon_clobber_test

  1525.     pic

  1526.     pod2man

  1527.     raise_major

  1528.     thumb

  1529.     valgrind_backtrace

  1530.     xmm_clobber_test

  1531. "

  1532. 

  1533. THREADS_LIST="

  1534.     pthreads

  1535.     os2threads

  1536.     w32threads

  1537. "

  1538. 

  1539. ATOMICS_LIST="

  1540.     atomics_gcc

  1541.     atomics_suncc

  1542.     atomics_win32

  1543. "

  1544. 

  1545. ARCH_LIST="

  1546.     aarch64

  1547.     alpha

  1548.     arm

  1549.     avr32

  1550.     avr32_ap

  1551.     avr32_uc

  1552.     bfin

  1553.     ia64

  1554.     m68k

  1555.     mips

  1556.     mips64

  1557.     parisc

  1558.     ppc

  1559.     ppc64

  1560.     s390

  1561.     sh4

  1562.     sparc

  1563.     sparc64

  1564.     tilegx

  1565.     tilepro

  1566.     tomi

  1567.     x86

  1568.     x86_32

  1569.     x86_64

  1570. "

  1571. 

  1572. ARCH_EXT_LIST_ARM="

  1573.     armv5te

  1574.     armv6

  1575.     armv6t2

  1576.     armv8

  1577.     neon

  1578.     vfp

  1579.     vfpv3

  1580.     setend

  1581. "

  1582. 

  1583. ARCH_EXT_LIST_MIPS="

  1584.     mipsfpu

  1585.     mips32r2

  1586.     mips32r5

  1587.     mips64r6

  1588.     mipsdspr1

  1589.     mipsdspr2

  1590.     msa

  1591. "

  1592. 

  1593. ARCH_EXT_LIST_LOONGSON="

  1594.     loongson2

  1595.     loongson3

  1596.     mmi

  1597. "

  1598. 

  1599. ARCH_EXT_LIST_X86_SIMD="

  1600.     amd3dnow

  1601.     amd3dnowext

  1602.     avx

  1603.     avx2

  1604.     fma3

  1605.     fma4

  1606.     mmx

  1607.     mmxext

  1608.     sse

  1609.     sse2

  1610.     sse3

  1611.     sse4

  1612.     sse42

  1613.     ssse3

  1614.     xop

  1615. "

  1616. 

  1617. ARCH_EXT_LIST_PPC="

  1618.     altivec

  1619.     dcbzl

  1620.     ldbrx

  1621.     power8

  1622.     ppc4xx

  1623.     vsx

  1624. "

  1625. 

  1626. ARCH_EXT_LIST_X86="

  1627.     $ARCH_EXT_LIST_X86_SIMD

  1628.     cpunop

  1629.     i686

  1630. "

  1631. 

  1632. ARCH_EXT_LIST="

  1633.     $ARCH_EXT_LIST_ARM

  1634.     $ARCH_EXT_LIST_PPC

  1635.     $ARCH_EXT_LIST_X86

  1636.     $ARCH_EXT_LIST_MIPS

  1637.     $ARCH_EXT_LIST_LOONGSON

  1638. "

  1639. 

  1640. ARCH_FEATURES="

  1641.     aligned_stack

  1642.     fast_64bit

  1643.     fast_clz

  1644.     fast_cmov

  1645.     local_aligned_8

  1646.     local_aligned_16

  1647.     local_aligned_32

  1648.     simd_align_16

  1649. "

  1650. 

  1651. BUILTIN_LIST="

  1652.     atomic_cas_ptr

  1653.     atomic_compare_exchange

  1654.     machine_rw_barrier

  1655.     MemoryBarrier

  1656.     mm_empty

  1657.     rdtsc

  1658.     sarestart

  1659.     sync_val_compare_and_swap

  1660. "

  1661. HAVE_LIST_CMDLINE="

  1662.     inline_asm

  1663.     symver

  1664.     yasm

  1665. "

  1666. 

  1667. HAVE_LIST_PUB="

  1668.     bigendian

  1669.     fast_unaligned

  1670.     incompatible_libav_abi

  1671. "

  1672. 

  1673. HEADERS_LIST="

  1674.     alsa_asoundlib_h

  1675.     altivec_h

  1676.     arpa_inet_h

  1677.     asm_types_h

  1678.     cdio_paranoia_h

  1679.     cdio_paranoia_paranoia_h

  1680.     dev_bktr_ioctl_bt848_h

  1681.     dev_bktr_ioctl_meteor_h

  1682.     dev_ic_bt8xx_h

  1683.     dev_video_bktr_ioctl_bt848_h

  1684.     dev_video_meteor_ioctl_meteor_h

  1685.     direct_h

  1686.     dlfcn_h

  1687.     d3d11_h

  1688.     dxva_h

  1689.     ES2_gl_h

  1690.     gsm_h

  1691.     io_h

  1692.     mach_mach_time_h

  1693.     machine_ioctl_bt848_h

  1694.     machine_ioctl_meteor_h

  1695.     malloc_h

  1696.     openjpeg_1_5_openjpeg_h

  1697.     OpenGL_gl3_h

  1698.     poll_h

  1699.     sndio_h

  1700.     soundcard_h

  1701.     sys_mman_h

  1702.     sys_param_h

  1703.     sys_resource_h

  1704.     sys_select_h

  1705.     sys_soundcard_h

  1706.     sys_time_h

  1707.     sys_un_h

  1708.     sys_videoio_h

  1709.     termios_h

  1710.     udplite_h

  1711.     unistd_h

  1712.     valgrind_valgrind_h

  1713.     windows_h

  1714.     winsock2_h

  1715. "

  1716. 

  1717. INTRINSICS_LIST="

  1718.     intrinsics_neon

  1719. "

  1720. 

  1721. MATH_FUNCS="

  1722.     atanf

  1723.     atan2f

  1724.     cbrt

  1725.     cbrtf

  1726.     cosf

  1727.     exp2

  1728.     exp2f

  1729.     expf

  1730.     isinf

  1731.     isnan

  1732.     ldexpf

  1733.     llrint

  1734.     llrintf

  1735.     log2

  1736.     log2f

  1737.     log10f

  1738.     lrint

  1739.     lrintf

  1740.     powf

  1741.     rint

  1742.     round

  1743.     roundf

  1744.     sinf

  1745.     trunc

  1746.     truncf

  1747. "

  1748. 

  1749. SYSTEM_FUNCS="

  1750.     access

  1751.     aligned_malloc

  1752.     clock_gettime

  1753.     closesocket

  1754.     CommandLineToArgvW

  1755.     CoTaskMemFree

  1756.     CryptGenRandom

  1757.     dlopen

  1758.     fcntl

  1759.     flt_lim

  1760.     fork

  1761.     getaddrinfo

  1762.     gethrtime

  1763.     getopt

  1764.     GetProcessAffinityMask

  1765.     GetProcessMemoryInfo

  1766.     GetProcessTimes

  1767.     getrusage

  1768.     getservbyport

  1769.     GetSystemTimeAsFileTime

  1770.     gettimeofday

  1771.     glob

  1772.     glXGetProcAddress

  1773.     gmtime_r

  1774.     inet_aton

  1775.     isatty

  1776.     jack_port_get_latency_range

  1777.     kbhit

  1778.     localtime_r

  1779.     lzo1x_999_compress

  1780.     mach_absolute_time

  1781.     MapViewOfFile

  1782.     memalign

  1783.     mkstemp

  1784.     mmap

  1785.     mprotect

  1786.     nanosleep

  1787.     PeekNamedPipe

  1788.     posix_memalign

  1789.     pthread_cancel

  1790.     sched_getaffinity

  1791.     SetConsoleTextAttribute

  1792.     SetConsoleCtrlHandler

  1793.     setmode

  1794.     setrlimit

  1795.     Sleep

  1796.     strerror_r

  1797.     sysconf

  1798.     sysctl

  1799.     usleep

  1800.     VirtualAlloc

  1801.     wglGetProcAddress

  1802. "

  1803. 

  1804. TOOLCHAIN_FEATURES="

  1805.     as_dn_directive

  1806.     as_func

  1807.     as_object_arch

  1808.     asm_mod_q

  1809.     attribute_may_alias

  1810.     attribute_packed

  1811.     ebp_available

  1812.     ebx_available

  1813.     gnu_as

  1814.     gnu_windres

  1815.     ibm_asm

  1816.     inline_asm_labels

  1817.     inline_asm_nonlocal_labels

  1818.     inline_asm_direct_symbol_refs

  1819.     pragma_deprecated

  1820.     rsync_contimeout

  1821.     symver_asm_label

  1822.     symver_gnu_asm

  1823.     vfp_args

  1824.     xform_asm

  1825.     xmm_clobbers

  1826. "

  1827. 

  1828. TYPES_LIST="

  1829.     CONDITION_VARIABLE_Ptr

  1830.     socklen_t

  1831.     struct_addrinfo

  1832.     struct_group_source_req

  1833.     struct_ip_mreq_source

  1834.     struct_ipv6_mreq

  1835.     struct_pollfd

  1836.     struct_rusage_ru_maxrss

  1837.     struct_sctp_event_subscribe

  1838.     struct_sockaddr_in6

  1839.     struct_sockaddr_sa_len

  1840.     struct_sockaddr_storage

  1841.     struct_stat_st_mtim_tv_nsec

  1842.     struct_v4l2_frmivalenum_discrete

  1843. "

  1844. 

  1845. HAVE_LIST="

  1846.     $ARCH_EXT_LIST

  1847.     $(add_suffix _external $ARCH_EXT_LIST)

  1848.     $(add_suffix _inline   $ARCH_EXT_LIST)

  1849.     $ARCH_FEATURES

  1850.     $ATOMICS_LIST

  1851.     $BUILTIN_LIST

  1852.     $HAVE_LIST_CMDLINE

  1853.     $HAVE_LIST_PUB

  1854.     $HEADERS_LIST

  1855.     $INTRINSICS_LIST

  1856.     $MATH_FUNCS

  1857.     $SYSTEM_FUNCS

  1858.     $THREADS_LIST

  1859.     $TOOLCHAIN_FEATURES

  1860.     $TYPES_LIST

  1861.     atomics_native

  1862.     dos_paths

  1863.     dxva2api_cobj

  1864.     dxva2_lib

  1865.     libc_msvcrt

  1866.     libdc1394_1

  1867.     libdc1394_2

  1868.     makeinfo

  1869.     makeinfo_html

  1870.     perl

  1871.     pod2man

  1872.     sdl

  1873.     section_data_rel_ro

  1874.     texi2html

  1875.     threads

  1876.     vaapi_x11

  1877.     vdpau_x11

  1878.     xlib

  1879. "

  1880. 

  1881. # options emitted with CONFIG_ prefix but not available on the command line

  1882. CONFIG_EXTRA="

  1883.     aandcttables

  1884.     ac3dsp

  1885.     audio_frame_queue

  1886.     audiodsp

  1887.     blockdsp

  1888.     bswapdsp

  1889.     cabac

  1890.     dvprofile

  1891.     exif

  1892.     faandct

  1893.     faanidct

  1894.     fdctdsp

  1895.     fmtconvert

  1896.     frame_thread_encoder

  1897.     gcrypt

  1898.     gmp

  1899.     golomb

  1900.     gplv3

  1901.     h263dsp

  1902.     h264chroma

  1903.     h264dsp

  1904.     h264pred

  1905.     h264qpel

  1906.     hpeldsp

  1907.     huffman

  1908.     huffyuvdsp

  1909.     huffyuvencdsp

  1910.     idctdsp

  1911.     iirfilter

  1912.     imdct15

  1913.     intrax8

  1914.     jpegtables

  1915.     lgplv3

  1916.     llauddsp

  1917.     llviddsp

  1918.     lpc

  1919.     me_cmp

  1920.     mpeg_er

  1921.     mpegaudio

  1922.     mpegaudiodsp

  1923.     mpegvideo

  1924.     mpegvideoenc

  1925.     pixblockdsp

  1926.     qpeldsp

  1927.     qsv

  1928.     qsvdec

  1929.     qsvenc

  1930.     rangecoder

  1931.     riffdec

  1932.     riffenc

  1933.     rtpdec

  1934.     rtpenc_chain

  1935.     sinewin

  1936.     snappy

  1937.     startcode

  1938.     texturedsp

  1939.     texturedspenc

  1940.     tpeldsp

  1941.     videodsp

  1942.     vp3dsp

  1943.     wma_freqs

  1944. "

  1945. 

  1946. CMDLINE_SELECT="

  1947.     $ARCH_EXT_LIST

  1948.     $CONFIG_LIST

  1949.     $HAVE_LIST_CMDLINE

  1950.     $THREADS_LIST

  1951.     asm

  1952.     cross_compile

  1953.     debug

  1954.     extra_warnings

  1955.     logging

  1956.     lto

  1957.     optimizations

  1958.     rpath

  1959.     stripping

  1960. "

  1961. 

  1962. PATHS_LIST="

  1963.     bindir

  1964.     datadir

  1965.     docdir

  1966.     incdir

  1967.     libdir

  1968.     mandir

  1969.     pkgconfigdir

  1970.     prefix

  1971.     shlibdir

  1972. "

  1973. 

  1974. CMDLINE_SET="

  1975.     $PATHS_LIST

  1976.     ar

  1977.     arch

  1978.     as

  1979.     assert_level

  1980.     build_suffix

  1981.     cc

  1982.     cpu

  1983.     cross_prefix

  1984.     cxx

  1985.     dep_cc

  1986.     doxygen

  1987.     env

  1988.     extra_version

  1989.     gas

  1990.     host_cc

  1991.     host_cflags

  1992.     host_ld

  1993.     host_ldflags

  1994.     host_libs

  1995.     host_os

  1996.     install

  1997.     ld

  1998.     logfile

  1999.     malloc_prefix

  2000.     nm

  2001.     optflags

  2002.     pkg_config

  2003.     pkg_config_flags

  2004.     progs_suffix

  2005.     random_seed

  2006.     ranlib

  2007.     samples

  2008.     strip

  2009.     sws_max_filter_size

  2010.     sysinclude

  2011.     sysroot

  2012.     target_exec

  2013.     target_os

  2014.     target_path

  2015.     target_samples

  2016.     tempprefix

  2017.     toolchain

  2018.     valgrind

  2019.     yasmexe

  2020. "

  2021. 

  2022. CMDLINE_APPEND="

  2023.     extra_cflags

  2024.     extra_cxxflags

  2025.     host_cppflags

  2026. "

  2027. 

  2028. # code dependency declarations

  2029. 

  2030. # architecture extensions

  2031. 

  2032. armv5te_deps="arm"

  2033. armv6_deps="arm"

  2034. armv6t2_deps="arm"

  2035. armv8_deps="aarch64"

  2036. neon_deps_any="aarch64 arm"

  2037. intrinsics_neon_deps="neon"

  2038. vfp_deps_any="aarch64 arm"

  2039. vfpv3_deps="vfp"

  2040. setend_deps="arm"

  2041. 

  2042. map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM

  2043. 

  2044. mipsfpu_deps="mips"

  2045. mipsdspr1_deps="mips"

  2046. mipsdspr2_deps="mips"

  2047. mips32r2_deps="mips"

  2048. mips32r5_deps="mips"

  2049. mips64r6_deps="mips"

  2050. msa_deps="mips"

  2051. mmi_deps="mips"

  2052. 

  2053. altivec_deps="ppc"

  2054. dcbzl_deps="ppc"

  2055. ldbrx_deps="ppc"

  2056. ppc4xx_deps="ppc"

  2057. vsx_deps="altivec"

  2058. power8_deps="vsx"

  2059. 

  2060. cpunop_deps="i686"

  2061. x86_64_select="i686"

  2062. x86_64_suggest="fast_cmov"

  2063. 

  2064. amd3dnow_deps="mmx"

  2065. amd3dnowext_deps="amd3dnow"

  2066. i686_deps="x86"

  2067. mmx_deps="x86"

  2068. mmxext_deps="mmx"

  2069. sse_deps="mmxext"

  2070. sse2_deps="sse"

  2071. sse3_deps="sse2"

  2072. ssse3_deps="sse3"

  2073. sse4_deps="ssse3"

  2074. sse42_deps="sse4"

  2075. avx_deps="sse42"

  2076. xop_deps="avx"

  2077. fma3_deps="avx"

  2078. fma4_deps="avx"

  2079. avx2_deps="avx"

  2080. 

  2081. mmx_external_deps="yasm"

  2082. mmx_inline_deps="inline_asm"

  2083. mmx_suggest="mmx_external mmx_inline"

  2084. 

  2085. for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do

  2086.     eval dep=\$${ext}_deps

  2087.     eval ${ext}_external_deps='"${dep}_external"'

  2088.     eval ${ext}_inline_deps='"${dep}_inline"'

  2089.     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'

  2090. done

  2091. 

  2092. aligned_stack_if_any="aarch64 ppc x86"

  2093. fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"

  2094. fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"

  2095. fast_unaligned_if_any="aarch64 ppc x86"

  2096. simd_align_16_if_any="altivec neon sse"

  2097. 

  2098. # system capabilities

  2099. symver_if_any="symver_asm_label symver_gnu_asm"

  2100. valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"

  2101. 

  2102. # threading support

  2103. atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"

  2104. atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"

  2105. atomics_win32_if="MemoryBarrier"

  2106. atomics_native_if_any="$ATOMICS_LIST"

  2107. w32threads_deps="atomics_native"

  2108. threads_if_any="$THREADS_LIST"

  2109. 

  2110. # subsystems

  2111. dct_select="rdft"

  2112. error_resilience_select="me_cmp"

  2113. faandct_deps="faan fdctdsp"

  2114. faanidct_deps="faan idctdsp"

  2115. frame_thread_encoder_deps="encoders threads"

  2116. intrax8_select="error_resilience"

  2117. mdct_select="fft"

  2118. rdft_select="fft"

  2119. me_cmp_select="fdctdsp idctdsp pixblockdsp"

  2120. mpeg_er_select="error_resilience"

  2121. mpegaudio_select="mpegaudiodsp"

  2122. mpegaudiodsp_select="dct"

  2123. mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp videodsp"

  2124. mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"

  2125. qsvdec_select="qsv"

  2126. qsvenc_select="qsv"

  2127. 

  2128. # decoders / encoders

  2129. aac_decoder_select="imdct15 mdct sinewin"

  2130. aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"

  2131. aac_latm_decoder_select="aac_decoder aac_latm_parser"

  2132. ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"

  2133. ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"

  2134. ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2135. ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2136. aic_decoder_select="golomb idctdsp"

  2137. alac_encoder_select="lpc"

  2138. als_decoder_select="bswapdsp"

  2139. amrnb_decoder_select="lsp"

  2140. amrwb_decoder_select="lsp"

  2141. amv_decoder_select="sp5x_decoder exif"

  2142. amv_encoder_select="aandcttables jpegtables mpegvideoenc"

  2143. ape_decoder_select="bswapdsp llauddsp"

  2144. apng_decoder_select="zlib"

  2145. apng_encoder_select="huffyuvencdsp zlib"

  2146. asv1_decoder_select="blockdsp bswapdsp idctdsp"

  2147. asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2148. asv2_decoder_select="blockdsp bswapdsp idctdsp"

  2149. asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2150. atrac1_decoder_select="mdct sinewin"

  2151. atrac3_decoder_select="mdct"

  2152. atrac3p_decoder_select="mdct sinewin"

  2153. avrn_decoder_select="exif jpegtables"

  2154. bink_decoder_select="blockdsp hpeldsp"

  2155. binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"

  2156. binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"

  2157. cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"

  2158. cllc_decoder_select="bswapdsp"

  2159. comfortnoise_encoder_select="lpc"

  2160. cook_decoder_select="audiodsp mdct sinewin"

  2161. cscd_decoder_select="lzo"

  2162. cscd_decoder_suggest="zlib"

  2163. dca_decoder_select="fmtconvert mdct"

  2164. dds_decoder_select="texturedsp"

  2165. dirac_decoder_select="dwt golomb videodsp mpegvideoenc"

  2166. dnxhd_decoder_select="blockdsp idctdsp"

  2167. dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"

  2168. dvvideo_decoder_select="dvprofile idctdsp"

  2169. dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"

  2170. dxa_decoder_select="zlib"

  2171. eac3_decoder_select="ac3_decoder"

  2172. eac3_encoder_select="ac3_encoder"

  2173. eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"

  2174. eatgq_decoder_select="aandcttables"

  2175. eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"

  2176. exr_decoder_select="zlib"

  2177. ffv1_decoder_select="golomb rangecoder"

  2178. ffv1_encoder_select="rangecoder"

  2179. ffvhuff_decoder_select="huffyuv_decoder"

  2180. ffvhuff_encoder_select="huffyuv_encoder"

  2181. fic_decoder_select="golomb"

  2182. flac_decoder_select="golomb"

  2183. flac_encoder_select="bswapdsp golomb lpc"

  2184. flashsv_decoder_select="zlib"

  2185. flashsv_encoder_select="zlib"

  2186. flashsv2_encoder_select="zlib"

  2187. flashsv2_decoder_select="zlib"

  2188. flv_decoder_select="h263_decoder"

  2189. flv_encoder_select="h263_encoder"

  2190. fourxm_decoder_select="blockdsp bswapdsp"

  2191. fraps_decoder_select="bswapdsp huffman"

  2192. g2m_decoder_select="blockdsp idctdsp jpegtables zlib"

  2193. g729_decoder_select="audiodsp"

  2194. h261_decoder_select="mpeg_er mpegvideo"

  2195. h261_encoder_select="aandcttables mpegvideoenc"

  2196. h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"

  2197. h263_encoder_select="aandcttables h263dsp mpegvideoenc"

  2198. h263i_decoder_select="h263_decoder"

  2199. h263p_decoder_select="h263_decoder"

  2200. h263p_encoder_select="h263_encoder"

  2201. h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"

  2202. h264_decoder_suggest="error_resilience"

  2203. h264_qsv_decoder_deps="libmfx"

  2204. h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"

  2205. h264_qsv_encoder_deps="libmfx"

  2206. h264_qsv_encoder_select="qsvenc"

  2207. hap_decoder_select="snappy texturedsp"

  2208. hap_encoder_deps="libsnappy"

  2209. hap_encoder_select="texturedspenc"

  2210. hevc_decoder_select="bswapdsp cabac golomb videodsp"

  2211. huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"

  2212. huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"

  2213. iac_decoder_select="imc_decoder"

  2214. imc_decoder_select="bswapdsp fft mdct sinewin"

  2215. indeo3_decoder_select="hpeldsp"

  2216. interplay_video_decoder_select="hpeldsp"

  2217. jpegls_decoder_select="golomb mjpeg_decoder"

  2218. jpegls_encoder_select="golomb"

  2219. jv_decoder_select="blockdsp"

  2220. lagarith_decoder_select="huffyuvdsp"

  2221. ljpeg_encoder_select="aandcttables idctdsp jpegtables"

  2222. loco_decoder_select="golomb"

  2223. mdec_decoder_select="blockdsp idctdsp mpegvideo"

  2224. metasound_decoder_select="lsp mdct sinewin"

  2225. mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"

  2226. mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"

  2227. mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"

  2228. mjpegb_decoder_select="mjpeg_decoder"

  2229. mlp_decoder_select="mlp_parser"

  2230. motionpixels_decoder_select="bswapdsp"

  2231. mp1_decoder_select="mpegaudio"

  2232. mp1float_decoder_select="mpegaudio"

  2233. mp2_decoder_select="mpegaudio"

  2234. mp2float_decoder_select="mpegaudio"

  2235. mp3_decoder_select="mpegaudio"

  2236. mp3adu_decoder_select="mpegaudio"

  2237. mp3adufloat_decoder_select="mpegaudio"

  2238. mp3float_decoder_select="mpegaudio"

  2239. mp3on4_decoder_select="mpegaudio"

  2240. mp3on4float_decoder_select="mpegaudio"

  2241. mpc7_decoder_select="bswapdsp mpegaudiodsp"

  2242. mpc8_decoder_select="mpegaudiodsp"

  2243. mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"

  2244. mpeg_xvmc_decoder_select="mpeg2video_decoder"

  2245. mpegvideo_decoder_select="error_resilience mpeg_er mpegvideo"

  2246. mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"

  2247. mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2248. mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"

  2249. mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2250. mpeg4_decoder_select="h263_decoder mpeg4video_parser"

  2251. mpeg4_encoder_select="h263_encoder"

  2252. msmpeg4v1_decoder_select="h263_decoder"

  2253. msmpeg4v2_decoder_select="h263_decoder"

  2254. msmpeg4v2_encoder_select="h263_encoder"

  2255. msmpeg4v3_decoder_select="h263_decoder"

  2256. msmpeg4v3_encoder_select="h263_encoder"

  2257. mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"

  2258. mxpeg_decoder_select="mjpeg_decoder"

  2259. nellymoser_decoder_select="mdct sinewin"

  2260. nellymoser_encoder_select="audio_frame_queue mdct sinewin"

  2261. nuv_decoder_select="idctdsp lzo"

  2262. on2avc_decoder_select="mdct"

  2263. opus_decoder_deps="swresample"

  2264. opus_decoder_select="imdct15"

  2265. png_decoder_select="zlib"

  2266. png_encoder_select="huffyuvencdsp zlib"

  2267. prores_decoder_select="blockdsp idctdsp"

  2268. prores_encoder_select="fdctdsp"

  2269. qcelp_decoder_select="lsp"

  2270. qdm2_decoder_select="mdct rdft mpegaudiodsp"

  2271. ra_144_encoder_select="audio_frame_queue lpc audiodsp"

  2272. ra_144_decoder_select="audiodsp"

  2273. ralf_decoder_select="golomb"

  2274. rawvideo_decoder_select="bswapdsp"

  2275. rtjpeg_decoder_select="me_cmp"

  2276. rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"

  2277. rv10_encoder_select="h263_encoder"

  2278. rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"

  2279. rv20_encoder_select="h263_encoder"

  2280. rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"

  2281. rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"

  2282. shorten_decoder_select="golomb"

  2283. sipr_decoder_select="lsp"

  2284. snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"

  2285. snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"

  2286. sonic_decoder_select="golomb rangecoder"

  2287. sonic_encoder_select="golomb rangecoder"

  2288. sonic_ls_encoder_select="golomb rangecoder"

  2289. sp5x_decoder_select="mjpeg_decoder"

  2290. svq1_decoder_select="hpeldsp"

  2291. svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"

  2292. svq3_decoder_select="h264_decoder hpeldsp tpeldsp"

  2293. svq3_decoder_suggest="zlib"

  2294. tak_decoder_select="audiodsp"

  2295. tdsc_decoder_select="zlib mjpeg_decoder"

  2296. theora_decoder_select="vp3_decoder"

  2297. thp_decoder_select="mjpeg_decoder"

  2298. tiff_decoder_suggest="zlib lzma"

  2299. tiff_encoder_suggest="zlib"

  2300. truehd_decoder_select="mlp_parser"

  2301. truemotion2_decoder_select="bswapdsp"

  2302. truespeech_decoder_select="bswapdsp"

  2303. tscc_decoder_select="zlib"

  2304. twinvq_decoder_select="mdct lsp sinewin"

  2305. txd_decoder_select="texturedsp"

  2306. utvideo_decoder_select="bswapdsp"

  2307. utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"

  2308. vble_decoder_select="huffyuvdsp"

  2309. vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode"

  2310. vc1image_decoder_select="vc1_decoder"

  2311. vorbis_decoder_select="mdct"

  2312. vorbis_encoder_select="mdct"

  2313. vp3_decoder_select="hpeldsp vp3dsp videodsp"

  2314. vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"

  2315. vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"

  2316. vp6a_decoder_select="vp6_decoder"

  2317. vp6f_decoder_select="vp6_decoder"

  2318. vp7_decoder_select="h264pred videodsp"

  2319. vp8_decoder_select="h264pred videodsp"

  2320. vp9_decoder_select="videodsp vp9_parser"

  2321. webp_decoder_select="vp8_decoder"

  2322. wmalossless_decoder_select="llauddsp"

  2323. wmapro_decoder_select="mdct sinewin wma_freqs"

  2324. wmav1_decoder_select="mdct sinewin wma_freqs"

  2325. wmav1_encoder_select="mdct sinewin wma_freqs"

  2326. wmav2_decoder_select="mdct sinewin wma_freqs"

  2327. wmav2_encoder_select="mdct sinewin wma_freqs"

  2328. wmavoice_decoder_select="lsp rdft dct mdct sinewin"

  2329. wmv1_decoder_select="h263_decoder"

  2330. wmv1_encoder_select="h263_encoder"

  2331. wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp"

  2332. wmv2_encoder_select="h263_encoder"

  2333. wmv3_decoder_select="vc1_decoder"

  2334. wmv3image_decoder_select="wmv3_decoder"

  2335. zerocodec_decoder_select="zlib"

  2336. zlib_decoder_select="zlib"

  2337. zlib_encoder_select="zlib"

  2338. zmbv_decoder_select="zlib"

  2339. zmbv_encoder_select="zlib"

  2340. 

  2341. # hardware accelerators

  2342. crystalhd_deps="libcrystalhd_libcrystalhd_if_h"

  2343. d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"

  2344. dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"

  2345. vaapi_deps="va_va_h"

  2346. vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"

  2347. vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"

  2348. vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"

  2349. xvmc_deps="X11_extensions_XvMClib_h"

  2350. 

  2351. h263_vaapi_hwaccel_deps="vaapi"

  2352. h263_vaapi_hwaccel_select="h263_decoder"

  2353. h263_vdpau_hwaccel_deps="vdpau"

  2354. h263_vdpau_hwaccel_select="h263_decoder"

  2355. h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"

  2356. h264_d3d11va_hwaccel_deps="d3d11va"

  2357. h264_d3d11va_hwaccel_select="h264_decoder"

  2358. h264_dxva2_hwaccel_deps="dxva2"

  2359. h264_dxva2_hwaccel_select="h264_decoder"

  2360. h264_mmal_decoder_deps="mmal"

  2361. h264_mmal_hwaccel_deps="mmal"

  2362. h264_mmal_decoder_select="h264_decoder"

  2363. h264_mmal_encoder_deps="mmal"

  2364. h264_qsv_hwaccel_deps="libmfx"

  2365. h264_vaapi_hwaccel_deps="vaapi"

  2366. h264_vaapi_hwaccel_select="h264_decoder"

  2367. h264_vda_decoder_deps="vda"

  2368. h264_vda_decoder_select="h264_decoder"

  2369. h264_vda_hwaccel_deps="vda"

  2370. h264_vda_hwaccel_select="h264_decoder"

  2371. h264_vda_old_hwaccel_deps="vda"

  2372. h264_vda_old_hwaccel_select="h264_decoder"

  2373. h264_vdpau_decoder_deps="vdpau"

  2374. h264_vdpau_decoder_select="h264_decoder"

  2375. h264_vdpau_hwaccel_deps="vdpau"

  2376. h264_vdpau_hwaccel_select="h264_decoder"

  2377. hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"

  2378. hevc_d3d11va_hwaccel_select="hevc_decoder"

  2379. hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"

  2380. hevc_dxva2_hwaccel_select="hevc_decoder"

  2381. hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"

  2382. hevc_vdpau_hwaccel_select="hevc_decoder"

  2383. mpeg_vdpau_decoder_deps="vdpau"

  2384. mpeg_vdpau_decoder_select="mpeg2video_decoder"

  2385. mpeg_xvmc_hwaccel_deps="xvmc"

  2386. mpeg_xvmc_hwaccel_select="mpeg2video_decoder"

  2387. mpeg1_vdpau_decoder_deps="vdpau"

  2388. mpeg1_vdpau_decoder_select="mpeg1video_decoder"

  2389. mpeg1_vdpau_hwaccel_deps="vdpau"

  2390. mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"

  2391. mpeg1_xvmc_hwaccel_deps="xvmc"

  2392. mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"

  2393. mpeg2_crystalhd_decoder_select="crystalhd"

  2394. mpeg2_d3d11va_hwaccel_deps="d3d11va"

  2395. mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"

  2396. mpeg2_dxva2_hwaccel_deps="dxva2"

  2397. mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"

  2398. mpeg2_vaapi_hwaccel_deps="vaapi"

  2399. mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"

  2400. mpeg2_vdpau_hwaccel_deps="vdpau"

  2401. mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"

  2402. mpeg2_xvmc_hwaccel_deps="xvmc"

  2403. mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"

  2404. mpeg4_crystalhd_decoder_select="crystalhd"

  2405. mpeg4_vaapi_hwaccel_deps="vaapi"

  2406. mpeg4_vaapi_hwaccel_select="mpeg4_decoder"

  2407. mpeg4_vdpau_decoder_deps="vdpau"

  2408. mpeg4_vdpau_decoder_select="mpeg4_decoder"

  2409. mpeg4_vdpau_hwaccel_deps="vdpau"

  2410. mpeg4_vdpau_hwaccel_select="mpeg4_decoder"

  2411. msmpeg4_crystalhd_decoder_select="crystalhd"

  2412. vc1_crystalhd_decoder_select="crystalhd"

  2413. vc1_d3d11va_hwaccel_deps="d3d11va"

  2414. vc1_d3d11va_hwaccel_select="vc1_decoder"

  2415. vc1_dxva2_hwaccel_deps="dxva2"

  2416. vc1_dxva2_hwaccel_select="vc1_decoder"

  2417. vc1_vaapi_hwaccel_deps="vaapi"

  2418. vc1_vaapi_hwaccel_select="vc1_decoder"

  2419. vc1_vdpau_decoder_deps="vdpau"

  2420. vc1_vdpau_decoder_select="vc1_decoder"

  2421. vc1_vdpau_hwaccel_deps="vdpau"

  2422. vc1_vdpau_hwaccel_select="vc1_decoder"

  2423. wmv3_crystalhd_decoder_select="crystalhd"

  2424. wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"

  2425. wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"

  2426. wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"

  2427. wmv3_vdpau_decoder_select="vc1_vdpau_decoder"

  2428. wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"

  2429. 

  2430. # parsers

  2431. h264_parser_select="h264_decoder"

  2432. hevc_parser_select="hevc_decoder"

  2433. mpegvideo_parser_select="mpegvideo"

  2434. mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"

  2435. vc1_parser_select="mpegvideo startcode vc1_decoder"

  2436. 

  2437. # bitstream_filters

  2438. mjpeg2jpeg_bsf_select="jpegtables"

  2439. 

  2440. # external libraries

  2441. libaacplus_encoder_deps="libaacplus"

  2442. libcelt_decoder_deps="libcelt"

  2443. libdcadec_decoder_deps="libdcadec"

  2444. libfaac_encoder_deps="libfaac"

  2445. libfaac_encoder_select="audio_frame_queue"

  2446. libfdk_aac_decoder_deps="libfdk_aac"

  2447. libfdk_aac_encoder_deps="libfdk_aac"

  2448. libfdk_aac_encoder_select="audio_frame_queue"

  2449. libgme_demuxer_deps="libgme"

  2450. libgsm_decoder_deps="libgsm"

  2451. libgsm_encoder_deps="libgsm"

  2452. libgsm_ms_decoder_deps="libgsm"

  2453. libgsm_ms_encoder_deps="libgsm"

  2454. libilbc_decoder_deps="libilbc"

  2455. libilbc_encoder_deps="libilbc"

  2456. libmodplug_demuxer_deps="libmodplug"

  2457. libmp3lame_encoder_deps="libmp3lame"

  2458. libmp3lame_encoder_select="audio_frame_queue"

  2459. libopencore_amrnb_decoder_deps="libopencore_amrnb"

  2460. libopencore_amrnb_encoder_deps="libopencore_amrnb"

  2461. libopencore_amrnb_encoder_select="audio_frame_queue"

  2462. libopencore_amrwb_decoder_deps="libopencore_amrwb"

  2463. libopenh264_encoder_deps="libopenh264"

  2464. libopenjpeg_decoder_deps="libopenjpeg"

  2465. libopenjpeg_encoder_deps="libopenjpeg"

  2466. libopus_decoder_deps="libopus"

  2467. libopus_encoder_deps="libopus"

  2468. libopus_encoder_select="audio_frame_queue"

  2469. libquvi_demuxer_deps="libquvi"

  2470. libschroedinger_decoder_deps="libschroedinger"

  2471. libschroedinger_encoder_deps="libschroedinger"

  2472. libshine_encoder_deps="libshine"

  2473. libshine_encoder_select="audio_frame_queue"

  2474. libspeex_decoder_deps="libspeex"

  2475. libspeex_encoder_deps="libspeex"

  2476. libspeex_encoder_select="audio_frame_queue"

  2477. libstagefright_h264_decoder_deps="libstagefright_h264"

  2478. libtheora_encoder_deps="libtheora"

  2479. libtwolame_encoder_deps="libtwolame"

  2480. libvo_aacenc_encoder_deps="libvo_aacenc"

  2481. libvo_aacenc_encoder_select="audio_frame_queue"

  2482. libvo_amrwbenc_encoder_deps="libvo_amrwbenc"

  2483. libvorbis_decoder_deps="libvorbis"

  2484. libvorbis_encoder_deps="libvorbis"

  2485. libvorbis_encoder_select="audio_frame_queue"

  2486. libvpx_vp8_decoder_deps="libvpx"

  2487. libvpx_vp8_encoder_deps="libvpx"

  2488. libvpx_vp9_decoder_deps="libvpx"

  2489. libvpx_vp9_encoder_deps="libvpx"

  2490. libwavpack_encoder_deps="libwavpack"

  2491. libwebp_encoder_deps="libwebp"

  2492. libwebp_anim_encoder_deps="libwebp"

  2493. libx264_encoder_deps="libx264"

  2494. libx264rgb_encoder_deps="libx264"

  2495. libx264rgb_encoder_select="libx264_encoder"

  2496. libx265_encoder_deps="libx265"

  2497. libxavs_encoder_deps="libxavs"

  2498. libxvid_encoder_deps="libxvid"

  2499. libutvideo_decoder_deps="libutvideo"

  2500. libutvideo_encoder_deps="libutvideo"

  2501. libzvbi_teletext_decoder_deps="libzvbi"

  2502. nvenc_encoder_deps="nvenc"

  2503. nvenc_h264_encoder_deps="nvenc"

  2504. nvenc_hevc_encoder_deps="nvenc"

  2505. 

  2506. # demuxers / muxers

  2507. ac3_demuxer_select="ac3_parser"

  2508. asf_demuxer_select="riffdec"

  2509. asf_o_demuxer_select="riffdec"

  2510. asf_muxer_select="riffenc"

  2511. asf_stream_muxer_select="asf_muxer"

  2512. avi_demuxer_select="riffdec exif"

  2513. avi_muxer_select="riffenc"

  2514. avisynth_demuxer_deps="avisynth"

  2515. avisynth_demuxer_select="riffdec"

  2516. caf_demuxer_select="riffdec"

  2517. dash_muxer_select="mp4_muxer"

  2518. dirac_demuxer_select="dirac_parser"

  2519. dts_demuxer_select="dca_parser"

  2520. dtshd_demuxer_select="dca_parser"

  2521. dv_demuxer_select="dvprofile"

  2522. dv_muxer_select="dvprofile"

  2523. dxa_demuxer_select="riffdec"

  2524. eac3_demuxer_select="ac3_parser"

  2525. f4v_muxer_select="mov_muxer"

  2526. flac_demuxer_select="flac_parser"

  2527. hds_muxer_select="flv_muxer"

  2528. hls_muxer_select="mpegts_muxer"

  2529. image2_alias_pix_demuxer_select="image2_demuxer"

  2530. image2_brender_pix_demuxer_select="image2_demuxer"

  2531. ipod_muxer_select="mov_muxer"

  2532. ismv_muxer_select="mov_muxer"

  2533. libnut_demuxer_deps="libnut"

  2534. libnut_muxer_deps="libnut"

  2535. matroska_audio_muxer_select="matroska_muxer"

  2536. matroska_demuxer_select="riffdec"

  2537. matroska_demuxer_suggest="bzlib lzo zlib"

  2538. matroska_muxer_select="riffenc"

  2539. mmf_muxer_select="riffenc"

  2540. mov_demuxer_select="riffdec"

  2541. mov_demuxer_suggest="zlib"

  2542. mov_muxer_select="riffenc rtpenc_chain"

  2543. mp3_demuxer_select="mpegaudio_parser"

  2544. mp4_muxer_select="mov_muxer"

  2545. mpegts_muxer_select="adts_muxer latm_muxer"

  2546. mpegtsraw_demuxer_select="mpegts_demuxer"

  2547. mxf_d10_muxer_select="mxf_muxer"

  2548. mxf_opatom_muxer_select="mxf_muxer"

  2549. nut_muxer_select="riffenc"

  2550. nuv_demuxer_select="riffdec"

  2551. oga_muxer_select="ogg_muxer"

  2552. ogg_demuxer_select="golomb"

  2553. opus_muxer_select="ogg_muxer"

  2554. psp_muxer_select="mov_muxer"

  2555. rtp_demuxer_select="sdp_demuxer"

  2556. rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"

  2557. rtsp_demuxer_select="http_protocol rtpdec"

  2558. rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"

  2559. sap_demuxer_select="sdp_demuxer"

  2560. sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"

  2561. sdp_demuxer_select="rtpdec"

  2562. smoothstreaming_muxer_select="ismv_muxer"

  2563. spdif_muxer_select="aac_parser"

  2564. spx_muxer_select="ogg_muxer"

  2565. tak_demuxer_select="tak_parser"

  2566. tg2_muxer_select="mov_muxer"

  2567. tgp_muxer_select="mov_muxer"

  2568. vobsub_demuxer_select="mpegps_demuxer"

  2569. w64_demuxer_select="wav_demuxer"

  2570. w64_muxer_select="wav_muxer"

  2571. wav_demuxer_select="riffdec"

  2572. wav_muxer_select="riffenc"

  2573. webm_muxer_select="riffenc"

  2574. wtv_demuxer_select="riffdec"

  2575. wtv_muxer_select="riffenc"

  2576. xmv_demuxer_select="riffdec"

  2577. xwma_demuxer_select="riffdec"

  2578. 

  2579. # indevs / outdevs

  2580. alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"

  2581. alsa_outdev_deps="alsa_asoundlib_h"

  2582. avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"

  2583. avfoundation_indev_select="avfoundation"

  2584. bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"

  2585. caca_outdev_deps="libcaca"

  2586. decklink_outdev_deps="decklink pthreads"

  2587. decklink_outdev_extralibs="-lstdc++"

  2588. decklink_indev_deps="decklink pthreads"

  2589. decklink_indev_extralibs="-lstdc++"

  2590. dshow_indev_deps="IBaseFilter"

  2591. dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"

  2592. dv1394_indev_deps="dv1394"

  2593. dv1394_indev_select="dv_demuxer"

  2594. fbdev_indev_deps="linux_fb_h"

  2595. fbdev_outdev_deps="linux_fb_h"

  2596. gdigrab_indev_deps="CreateDIBSection"

  2597. gdigrab_indev_extralibs="-lgdi32"

  2598. gdigrab_indev_select="bmp_decoder"

  2599. iec61883_indev_deps="libiec61883"

  2600. jack_indev_deps="jack_jack_h sem_timedwait"

  2601. lavfi_indev_deps="avfilter"

  2602. libcdio_indev_deps="libcdio"

  2603. libdc1394_indev_deps="libdc1394"

  2604. libv4l2_indev_deps="libv4l2"

  2605. openal_indev_deps="openal"

  2606. opengl_outdev_deps="opengl"

  2607. oss_indev_deps_any="soundcard_h sys_soundcard_h"

  2608. oss_outdev_deps_any="soundcard_h sys_soundcard_h"

  2609. pulse_indev_deps="libpulse"

  2610. pulse_outdev_deps="libpulse"

  2611. qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"

  2612. qtkit_indev_select="qtkit"

  2613. sdl_outdev_deps="sdl"

  2614. sndio_indev_deps="sndio_h"

  2615. sndio_outdev_deps="sndio_h"

  2616. v4l_indev_deps="linux_videodev_h"

  2617. v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"

  2618. v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"

  2619. vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"

  2620. vfwcap_indev_extralibs="-lavicap32"

  2621. xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"

  2622. xv_outdev_extralibs="-lXv -lX11 -lXext"

  2623. x11grab_indev_deps="x11grab"

  2624. x11grab_xcb_indev_deps="libxcb"

  2625. 

  2626. # protocols

  2627. bluray_protocol_deps="libbluray"

  2628. ffrtmpcrypt_protocol_deps="!librtmp_protocol"

  2629. ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"

  2630. ffrtmpcrypt_protocol_select="tcp_protocol"

  2631. ffrtmphttp_protocol_deps="!librtmp_protocol"

  2632. ffrtmphttp_protocol_select="http_protocol"

  2633. ftp_protocol_select="tcp_protocol"

  2634. gopher_protocol_select="network"

  2635. http_protocol_select="tcp_protocol"

  2636. httpproxy_protocol_select="tcp_protocol"

  2637. https_protocol_select="tls_protocol"

  2638. icecast_protocol_select="http_protocol"

  2639. librtmp_protocol_deps="librtmp"

  2640. librtmpe_protocol_deps="librtmp"

  2641. librtmps_protocol_deps="librtmp"

  2642. librtmpt_protocol_deps="librtmp"

  2643. librtmpte_protocol_deps="librtmp"

  2644. libsmbclient_protocol_deps="libsmbclient gplv3"

  2645. libssh_protocol_deps="libssh"

  2646. mmsh_protocol_select="http_protocol"

  2647. mmst_protocol_select="network"

  2648. rtmp_protocol_deps="!librtmp_protocol"

  2649. rtmp_protocol_select="tcp_protocol"

  2650. rtmpe_protocol_select="ffrtmpcrypt_protocol"

  2651. rtmps_protocol_deps="!librtmp_protocol"

  2652. rtmps_protocol_select="tls_protocol"

  2653. rtmpt_protocol_select="ffrtmphttp_protocol"

  2654. rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"

  2655. rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"

  2656. rtp_protocol_select="udp_protocol"

  2657. sctp_protocol_deps="struct_sctp_event_subscribe"

  2658. sctp_protocol_select="network"

  2659. srtp_protocol_select="rtp_protocol"

  2660. tcp_protocol_select="network"

  2661. tls_gnutls_protocol_deps="gnutls !tls_securetransport_protocol"

  2662. tls_gnutls_protocol_select="tcp_protocol"

  2663. tls_openssl_protocol_deps="openssl !tls_securetransport_protocol !tls_gnutls_protocol"

  2664. tls_openssl_protocol_select="tcp_protocol"

  2665. tls_securetransport_protocol_deps="securetransport"

  2666. tls_securetransport_protocol_select="tcp_protocol"

  2667. tls_protocol_deps_any="tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"

  2668. udp_protocol_select="network"

  2669. udplite_protocol_select="network"

  2670. unix_protocol_deps="sys_un_h"

  2671. unix_protocol_select="network"

  2672. 

  2673. # filters

  2674. amovie_filter_deps="avcodec avformat"

  2675. aresample_filter_deps="swresample"

  2676. ass_filter_deps="libass"

  2677. asyncts_filter_deps="avresample"

  2678. atempo_filter_deps="avcodec"

  2679. atempo_filter_select="rdft"

  2680. azmq_filter_deps="libzmq"

  2681. blackframe_filter_deps="gpl"

  2682. boxblur_filter_deps="gpl"

  2683. bs2b_filter_deps="libbs2b"

  2684. colormatrix_filter_deps="gpl"

  2685. cover_rect_filter_deps="avcodec avformat gpl"

  2686. cropdetect_filter_deps="gpl"

  2687. delogo_filter_deps="gpl"

  2688. deshake_filter_select="pixelutils"

  2689. drawtext_filter_deps="libfreetype"

  2690. ebur128_filter_deps="gpl"

  2691. eq_filter_deps="gpl"

  2692. fftfilt_filter_deps="avcodec"

  2693. fftfilt_filter_select="rdft"

  2694. flite_filter_deps="libflite"

  2695. find_rect_filter_deps="avcodec avformat gpl"

  2696. frei0r_filter_deps="frei0r dlopen"

  2697. frei0r_src_filter_deps="frei0r dlopen"

  2698. fspp_filter_deps="gpl"

  2699. geq_filter_deps="gpl"

  2700. histeq_filter_deps="gpl"

  2701. hqdn3d_filter_deps="gpl"

  2702. interlace_filter_deps="gpl"

  2703. kerndeint_filter_deps="gpl"

  2704. ladspa_filter_deps="ladspa dlopen"

  2705. mcdeint_filter_deps="avcodec gpl"

  2706. movie_filter_deps="avcodec avformat"

  2707. mpdecimate_filter_deps="gpl"

  2708. mpdecimate_filter_select="pixelutils"

  2709. mptestsrc_filter_deps="gpl"

  2710. negate_filter_deps="lut_filter"

  2711. perspective_filter_deps="gpl"

  2712. pp7_filter_deps="gpl"

  2713. ocv_filter_deps="libopencv"

  2714. owdenoise_filter_deps="gpl"

  2715. pan_filter_deps="swresample"

  2716. phase_filter_deps="gpl"

  2717. pp_filter_deps="gpl postproc"

  2718. pullup_filter_deps="gpl"

  2719. removelogo_filter_deps="avcodec avformat swscale"

  2720. repeatfields_filter_deps="gpl"

  2721. resample_filter_deps="avresample"

  2722. sab_filter_deps="gpl swscale"

  2723. scale_filter_deps="swscale"

  2724. select_filter_select="pixelutils"

  2725. smartblur_filter_deps="gpl swscale"

  2726. showcqt_filter_deps="avcodec"

  2727. showcqt_filter_select="fft"

  2728. showspectrum_filter_deps="avcodec"

  2729. showspectrum_filter_select="rdft"

  2730. spp_filter_deps="gpl avcodec"

  2731. spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"

  2732. stereo3d_filter_deps="gpl"

  2733. subtitles_filter_deps="avformat avcodec libass"

  2734. super2xsai_filter_deps="gpl"

  2735. tinterlace_filter_deps="gpl"

  2736. vidstabdetect_filter_deps="libvidstab"

  2737. vidstabtransform_filter_deps="libvidstab"

  2738. pixfmts_super2xsai_test_deps="super2xsai_filter"

  2739. tinterlace_merge_test_deps="tinterlace_filter"

  2740. tinterlace_pad_test_deps="tinterlace_filter"

  2741. uspp_filter_deps="gpl avcodec"

  2742. zmq_filter_deps="libzmq"

  2743. zoompan_filter_deps="swscale"

  2744. 

  2745. # examples

  2746. avio_reading="avformat avcodec avutil"

  2747. avio_list_dir="avformat avutil"

  2748. avcodec_example_deps="avcodec avutil"

  2749. decoding_encoding_example_deps="avcodec avformat avutil"

  2750. demuxing_decoding_example_deps="avcodec avformat avutil"

  2751. extract_mvs_example_deps="avcodec avformat avutil"

  2752. filter_audio_example_deps="avfilter avutil"

  2753. filtering_audio_example_deps="avfilter avcodec avformat avutil"

  2754. filtering_video_example_deps="avfilter avcodec avformat avutil"

  2755. metadata_example_deps="avformat avutil"

  2756. muxing_example_deps="avcodec avformat avutil swscale"

  2757. qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"

  2758. remuxing_example_deps="avcodec avformat avutil"

  2759. resampling_audio_example_deps="avutil swresample"

  2760. scaling_video_example_deps="avutil swscale"

  2761. transcode_aac_example_deps="avcodec avformat swresample"

  2762. transcoding_example_deps="avfilter avcodec avformat avutil"

  2763. 

  2764. # libraries, in linking order

  2765. avcodec_deps="avutil"

  2766. avdevice_deps="avformat avcodec avutil"

  2767. avfilter_deps="avutil"

  2768. avformat_deps="avcodec avutil"

  2769. avresample_deps="avutil"

  2770. postproc_deps="avutil gpl"

  2771. swresample_deps="avutil"

  2772. swscale_deps="avutil"

  2773. 

  2774. # programs

  2775. ffmpeg_deps="avcodec avfilter avformat swresample"

  2776. ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter

  2777.                null_filter

  2778.                setpts_filter trim_filter"

  2779. ffplay_deps="avcodec avformat swscale swresample sdl"

  2780. ffplay_libs='$sdl_libs'

  2781. ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"

  2782. ffprobe_deps="avcodec avformat"

  2783. ffserver_deps="avformat fork sarestart"

  2784. ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"

  2785. 

  2786. # documentation

  2787. podpages_deps="perl"

  2788. manpages_deps="perl pod2man"

  2789. htmlpages_deps="perl"

  2790. htmlpages_deps_any="makeinfo_html texi2html"

  2791. txtpages_deps="perl makeinfo"

  2792. doc_deps_any="manpages htmlpages podpages txtpages"

  2793. 

  2794. # default parameters

  2795. 

  2796. logfile="config.log"

  2797. 

  2798. # installation paths

  2799. prefix_default="/usr/local"

  2800. bindir_default='${prefix}/bin'

  2801. datadir_default='${prefix}/share/ffmpeg'

  2802. docdir_default='${prefix}/share/doc/ffmpeg'

  2803. incdir_default='${prefix}/include'

  2804. libdir_default='${prefix}/lib'

  2805. mandir_default='${prefix}/share/man'

  2806. 

  2807. # toolchain

  2808. ar_default="ar"

  2809. cc_default="gcc"

  2810. cxx_default="g++"

  2811. host_cc_default="gcc"

  2812. cp_f="cp -f"

  2813. doxygen_default="doxygen"

  2814. install="install"

  2815. ln_s="ln -s -f"

  2816. nm_default="nm -g"

  2817. objformat="elf"

  2818. pkg_config_default=pkg-config

  2819. ranlib_default="ranlib"

  2820. strip_default="strip"

  2821. yasmexe_default="yasm"

  2822. windres_default="windres"

  2823. 

  2824. # OS

  2825. target_os_default=$(tolower $(uname -s))

  2826. host_os=$target_os_default

  2827. 

  2828. # machine

  2829. if test "$target_os_default" = aix; then

  2830.     arch_default=$(uname -p)

  2831.     strip_default="strip -X32_64"

  2832. else

  2833.     arch_default=$(uname -m)

  2834. fi

  2835. cpu="generic"

  2836. intrinsics="none"

  2837. 

  2838. # configurable options

  2839. enable $PROGRAM_LIST

  2840. enable $DOCUMENT_LIST

  2841. enable $EXAMPLE_LIST

  2842. enable $(filter_out avresample $LIBRARY_LIST)

  2843. enable stripping

  2844. 

  2845. enable asm

  2846. enable debug

  2847. enable doc

  2848. enable faan faandct faanidct

  2849. enable optimizations

  2850. enable runtime_cpudetect

  2851. enable safe_bitstream_reader

  2852. enable static

  2853. enable swscale_alpha

  2854. enable valgrind_backtrace

  2855. 

  2856. sws_max_filter_size_default=256

  2857. set_default sws_max_filter_size

  2858. 

  2859. # Enable hwaccels by default.

  2860. enable d3d11va dxva2 vaapi vda vdpau xvmc

  2861. enable xlib

  2862. 

  2863. # build settings

  2864. SHFLAGS='-shared -Wl,-soname,$$(@F)'

  2865. LIBPREF="lib"

  2866. LIBSUF=".a"

  2867. FULLNAME='$(NAME)$(BUILDSUF)'

  2868. LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'

  2869. SLIBPREF="lib"

  2870. SLIBSUF=".so"

  2871. SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'

  2872. SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'

  2873. SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'

  2874. LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'

  2875. SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'

  2876. SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'

  2877. 

  2878. asflags_filter=echo

  2879. cflags_filter=echo

  2880. ldflags_filter=echo

  2881. 

  2882. AS_C='-c'

  2883. AS_O='-o $@'

  2884. CC_C='-c'

  2885. CC_E='-E -o $@'

  2886. CC_O='-o $@'

  2887. CXX_C='-c'

  2888. CXX_O='-o $@'

  2889. LD_O='-o $@'

  2890. LD_LIB='-l%'

  2891. LD_PATH='-L'

  2892. HOSTCC_C='-c'

  2893. HOSTCC_E='-E -o $@'

  2894. HOSTCC_O='-o $@'

  2895. HOSTLD_O='-o $@'

  2896. 

  2897. host_libs='-lm'

  2898. host_cflags_filter=echo

  2899. host_ldflags_filter=echo

  2900. 

  2901. target_path='$(CURDIR)'

  2902. 

  2903. # since the object filename is not given with the -MM flag, the compiler

  2904. # is only able to print the basename, and we must add the path ourselves

  2905. DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'

  2906. DEPFLAGS='-MM'

  2907. 

  2908. # find source path

  2909. if test -f configure; then

  2910.     source_path=.

  2911. else

  2912.     source_path=$(cd $(dirname "$0"); pwd)

  2913.     echo "$source_path" | grep -q '[[:blank:]]' &&

  2914.         die "Out of tree builds are impossible with whitespace in source path."

  2915.     test -e "$source_path/config.h" &&

  2916.         die "Out of tree builds are impossible with config.h in source dir."

  2917. fi

  2918. 

  2919. for v in "$@"; do

  2920.     r=${v#*=}

  2921.     l=${v%"$r"}

  2922.     r=$(sh_quote "$r")

  2923.     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"

  2924. done

  2925. 

  2926. find_things(){

  2927.     thing=$1

  2928.     pattern=$2

  2929.     file=$source_path/$3

  2930.     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"

  2931. }

  2932. 

  2933. ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)

  2934. DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)

  2935. HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)

  2936. PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)

  2937. BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)

  2938. MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)

  2939. DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)

  2940. OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)

  2941. INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)

  2942. PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)

  2943. FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)

  2944. 

  2945. ALL_COMPONENTS="

  2946.     $BSF_LIST

  2947.     $DECODER_LIST

  2948.     $DEMUXER_LIST

  2949.     $ENCODER_LIST

  2950.     $FILTER_LIST

  2951.     $HWACCEL_LIST

  2952.     $INDEV_LIST

  2953.     $MUXER_LIST

  2954.     $OUTDEV_LIST

  2955.     $PARSER_LIST

  2956.     $PROTOCOL_LIST

  2957. "

  2958. 

  2959. for n in $COMPONENT_LIST; do

  2960.     v=$(toupper ${n%s})_LIST

  2961.     eval enable \$$v

  2962.     eval ${n}_if_any="\$$v"

  2963. done

  2964. 

  2965. enable $ARCH_EXT_LIST

  2966. 

  2967. die_unknown(){

  2968.     echo "Unknown option \"$1\"."

  2969.     echo "See $0 --help for available options."

  2970.     exit 1

  2971. }

  2972. 

  2973. print_3_columns() {

  2974.     cat | tr ' ' '\n' | sort | pr -r -3 -t

  2975. }

  2976. 

  2977. show_list() {

  2978.     suffix=_$1

  2979.     shift

  2980.     echo $* | sed s/$suffix//g | print_3_columns

  2981.     exit 0

  2982. }

  2983. 

  2984. rand_list(){

  2985.     IFS=', '

  2986.     set -- $*

  2987.     unset IFS

  2988.     for thing; do

  2989.         comp=${thing%:*}

  2990.         prob=${thing#$comp}

  2991.         prob=${prob#:}

  2992.         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST

  2993.         echo "prob ${prob:-0.5}"

  2994.         printf '%s\n' $comp

  2995.     done

  2996. }

  2997. 

  2998. do_random(){

  2999.     action=$1

  3000.     shift

  3001.     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")

  3002.     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")

  3003. }

  3004. 

  3005. for opt do

  3006.     optval="${opt#*=}"

  3007.     case "$opt" in

  3008.         --extra-ldflags=*)

  3009.             add_ldflags $optval

  3010.         ;;

  3011.         --extra-ldexeflags=*)

  3012.             add_ldexeflags $optval

  3013.         ;;

  3014.         --extra-libs=*)

  3015.             add_extralibs $optval

  3016.         ;;

  3017.         --disable-devices)

  3018.             disable $INDEV_LIST $OUTDEV_LIST

  3019.         ;;

  3020.         --enable-debug=*)

  3021.             debuglevel="$optval"

  3022.         ;;

  3023.         --disable-programs)

  3024.             disable $PROGRAM_LIST

  3025.         ;;

  3026.         --disable-everything)

  3027.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3028.         ;;

  3029.         --disable-all)

  3030.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3031.             disable $LIBRARY_LIST $PROGRAM_LIST doc

  3032.         ;;

  3033.         --enable-random|--disable-random)

  3034.             action=${opt%%-random}

  3035.             do_random ${action#--} $COMPONENT_LIST

  3036.         ;;

  3037.         --enable-random=*|--disable-random=*)

  3038.             action=${opt%%-random=*}

  3039.             do_random ${action#--} $optval

  3040.         ;;

  3041.         --enable-*=*|--disable-*=*)

  3042.             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')

  3043.             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"

  3044.             eval list=\$$(toupper $thing)_LIST

  3045.             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}

  3046.             list=$(filter "$name" $list)

  3047.             [ "$list" = "" ] && warn "Option $opt did not match anything"

  3048.             $action $list

  3049.         ;;

  3050.         --enable-?*|--disable-?*)

  3051.             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')

  3052.             if is_in $option $COMPONENT_LIST; then

  3053.                 test $action = disable && action=unset

  3054.                 eval $action \$$(toupper ${option%s})_LIST

  3055.             elif is_in $option $CMDLINE_SELECT; then

  3056.                 $action $option

  3057.             else

  3058.                 die_unknown $opt

  3059.             fi

  3060.         ;;

  3061.         --list-*)

  3062.             NAME="${opt#--list-}"

  3063.             is_in $NAME $COMPONENT_LIST || die_unknown $opt

  3064.             NAME=${NAME%s}

  3065.             eval show_list $NAME \$$(toupper $NAME)_LIST

  3066.         ;;

  3067.         --help|-h) show_help

  3068.         ;;

  3069.         --fatal-warnings) enable fatal_warnings

  3070.         ;;

  3071.         *)

  3072.             optname="${opt%%=*}"

  3073.             optname="${optname#--}"

  3074.             optname=$(echo "$optname" | sed 's/-/_/g')

  3075.             if is_in $optname $CMDLINE_SET; then

  3076.                 eval $optname='$optval'

  3077.             elif is_in $optname $CMDLINE_APPEND; then

  3078.                 append $optname "$optval"

  3079.             else

  3080.                 die_unknown $opt

  3081.             fi

  3082.         ;;

  3083.     esac

  3084. done

  3085. 

  3086. for e in $env; do

  3087.     eval "export $e"

  3088. done

  3089. 

  3090. disabled logging && logfile=/dev/null

  3091. 

  3092. echo "# $0 $FFMPEG_CONFIGURATION" > $logfile

  3093. set >> $logfile

  3094. 

  3095. test -n "$valgrind" && toolchain="valgrind-memcheck"

  3096. 

  3097. case "$toolchain" in

  3098.     clang-asan)

  3099.         cc_default="clang"

  3100.         add_cflags  -fsanitize=address

  3101.         add_ldflags -fsanitize=address

  3102.     ;;

  3103.     clang-tsan)

  3104.         cc_default="clang"

  3105.         add_cflags  -fsanitize=thread -pie

  3106.         add_ldflags -fsanitize=thread -pie

  3107.     ;;

  3108.     clang-usan)

  3109.         cc_default="clang"

  3110.         add_cflags  -fsanitize=undefined

  3111.         add_ldflags -fsanitize=undefined

  3112.     ;;

  3113.     gcc-asan)

  3114.         cc_default="gcc"

  3115.         add_cflags  -fsanitize=address

  3116.         add_ldflags -fsanitize=address

  3117.     ;;

  3118.     gcc-tsan)

  3119.         cc_default="gcc"

  3120.         add_cflags  -fsanitize=thread -pie -fPIC

  3121.         add_ldflags -fsanitize=thread -pie -fPIC

  3122.     ;;

  3123.     gcc-usan)

  3124.         cc_default="gcc"

  3125.         add_cflags  -fsanitize=undefined

  3126.         add_ldflags -fsanitize=undefined

  3127.     ;;

  3128.     valgrind-massif)

  3129.         target_exec_default=${valgrind:-"valgrind"}

  3130.         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"

  3131.     ;;

  3132.     valgrind-memcheck)

  3133.         target_exec_default=${valgrind:-"valgrind"}

  3134.         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"

  3135.     ;;

  3136.     msvc)

  3137.         # Check whether the current MSVC version needs the C99 converter.

  3138.         # From MSVC 2013 (compiler major version 18) onwards, it does actually

  3139.         # support enough of C99 to build ffmpeg. Default to the new

  3140.         # behaviour if the regexp was unable to match anything, since this

  3141.         # successfully parses the version number of existing supported

  3142.         # versions that require the converter (MSVC 2010 and 2012).

  3143.         cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')

  3144.         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then

  3145.             cc_default="cl"

  3146.         else

  3147.             cc_default="c99wrap cl"

  3148.         fi

  3149.         ld_default="link"

  3150.         nm_default="dumpbin -symbols"

  3151.         ar_default="lib"

  3152.         target_os_default="win32"

  3153.         # Use a relative path for TMPDIR. This makes sure all the

  3154.         # ffconf temp files are written with a relative path, avoiding

  3155.         # issues with msys/win32 path conversion for MSVC parameters

  3156.         # such as -Fo<file> or -out:<file>.

  3157.         TMPDIR=.

  3158.     ;;

  3159.     icl)

  3160.         cc_default="icl"

  3161.         ld_default="xilink"

  3162.         nm_default="dumpbin -symbols"

  3163.         ar_default="xilib"

  3164.         target_os_default="win32"

  3165.         TMPDIR=.

  3166.     ;;

  3167.     gcov)

  3168.         add_cflags  -fprofile-arcs -ftest-coverage

  3169.         add_ldflags -fprofile-arcs -ftest-coverage

  3170.     ;;

  3171.     hardened)

  3172.         add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2

  3173.         add_cflags   -fno-strict-overflow -fstack-protector-all

  3174.         add_ldflags  -Wl,-z,relro -Wl,-z,now

  3175.     ;;

  3176.     ?*)

  3177.         die "Unknown toolchain $toolchain"

  3178.     ;;

  3179. esac

  3180. 

  3181. test -n "$cross_prefix" && enable cross_compile

  3182. 

  3183. if enabled cross_compile; then

  3184.     test -n "$arch" && test -n "$target_os" ||

  3185.         die "Must specify target arch and OS when cross-compiling"

  3186. fi

  3187. 

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

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

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

  3191. nm_default="${cross_prefix}${nm_default}"

  3192. pkg_config_default="${cross_prefix}${pkg_config_default}"

  3193. if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then

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

  3195. else

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

  3197. fi

  3198. strip_default="${cross_prefix}${strip_default}"

  3199. windres_default="${cross_prefix}${windres_default}"

  3200. 

  3201. sysinclude_default="${sysroot}/usr/include"

  3202. 

  3203. set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \

  3204.     target_exec target_os yasmexe

  3205. enabled cross_compile || host_cc_default=$cc

  3206. set_default host_cc

  3207. 

  3208. pkg_config_fail_message=""

  3209. if ! $pkg_config --version >/dev/null 2>&1; then

  3210.     warn "$pkg_config not found, library detection may fail."

  3211.     pkg_config=false

  3212. elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then

  3213.     pkg_config_fail_message="

  3214. Note: When building a static binary, add --pkg-config-flags=\"--static\"."

  3215. fi

  3216. 

  3217. if test $doxygen != $doxygen_default && \

  3218.   ! $doxygen --version >/dev/null 2>&1; then

  3219.     warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."

  3220. fi

  3221. 

  3222. exesuf() {

  3223.     case $1 in

  3224.         mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;

  3225.     esac

  3226. }

  3227. 

  3228. EXESUF=$(exesuf $target_os)

  3229. HOSTEXESUF=$(exesuf $host_os)

  3230. 

  3231. # set temporary file name

  3232. : ${TMPDIR:=$TEMPDIR}

  3233. : ${TMPDIR:=$TMP}

  3234. : ${TMPDIR:=/tmp}

  3235. 

  3236. if [ -n "$tempprefix" ] ; then

  3237.     mktemp(){

  3238.         echo $tempprefix.${HOSTNAME}.${UID}

  3239.     }

  3240. elif ! check_cmd mktemp -u XXXXXX; then

  3241.     # simple replacement for missing mktemp

  3242.     # NOT SAFE FOR GENERAL USE

  3243.     mktemp(){

  3244.         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"

  3245.     }

  3246. fi

  3247. 

  3248. tmpfile(){

  3249.     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&

  3250.         (set -C; exec > $tmp) 2>/dev/null ||

  3251.         die "Unable to create temporary file in $TMPDIR."

  3252.     append TMPFILES $tmp

  3253.     eval $1=$tmp

  3254. }

  3255. 

  3256. trap 'rm -f -- $TMPFILES' EXIT

  3257. 

  3258. tmpfile TMPASM .asm

  3259. tmpfile TMPC   .c

  3260. tmpfile TMPCPP .cpp

  3261. tmpfile TMPE   $EXESUF

  3262. tmpfile TMPH   .h

  3263. tmpfile TMPM   .m

  3264. tmpfile TMPO   .o

  3265. tmpfile TMPS   .S

  3266. tmpfile TMPSH  .sh

  3267. tmpfile TMPV   .ver

  3268. 

  3269. unset -f mktemp

  3270. 

  3271. chmod +x $TMPE

  3272. 

  3273. # make sure we can execute files in $TMPDIR

  3274. cat > $TMPSH 2>> $logfile <<EOF

  3275. #! /bin/sh

  3276. EOF

  3277. chmod +x $TMPSH >> $logfile 2>&1

  3278. if ! $TMPSH >> $logfile 2>&1; then

  3279.     cat <<EOF

  3280. Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment

  3281. variable to another directory and make sure that it is not mounted noexec.

  3282. EOF

  3283.     die "Sanity test failed."

  3284. fi

  3285. 

  3286. armasm_flags(){

  3287.     for flag; do

  3288.         case $flag in

  3289.             # Filter out MSVC cl.exe options from cflags that shouldn't

  3290.             # be passed to gas-preprocessor

  3291.             -M[TD]*)                                            ;;

  3292.             *)                  echo $flag                      ;;

  3293.         esac

  3294.    done

  3295. }

  3296. 

  3297. ccc_flags(){

  3298.     for flag; do

  3299.         case $flag in

  3300.             -std=c99)           echo -c99                       ;;

  3301.             -mcpu=*)            echo -arch ${flag#*=}           ;;

  3302.             -mieee)             echo -ieee                      ;;

  3303.             -O*|-fast)          echo $flag                      ;;

  3304.             -fno-math-errno)    echo -assume nomath_errno       ;;

  3305.             -g)                 echo -g3                        ;;

  3306.             -Wall)              echo -msg_enable level2         ;;

  3307.             -Wno-pointer-sign)  echo -msg_disable ptrmismatch1  ;;

  3308.             -Wl,*)              echo $flag                      ;;

  3309.             -f*|-W*)                                            ;;

  3310.             *)                  echo $flag                      ;;

  3311.         esac

  3312.    done

  3313. }

  3314. 

  3315. cparser_flags(){

  3316.     for flag; do

  3317.         case $flag in

  3318.             -Wno-switch)             echo -Wno-switch-enum ;;

  3319.             -Wno-format-zero-length) ;;

  3320.             -Wdisabled-optimization) ;;

  3321.             -Wno-pointer-sign)       echo -Wno-other ;;

  3322.             *)                       echo $flag ;;

  3323.         esac

  3324.     done

  3325. }

  3326. 

  3327. msvc_common_flags(){

  3328.     for flag; do

  3329.         case $flag in

  3330.             # In addition to specifying certain flags under the compiler

  3331.             # specific filters, they must be specified here as well or else the

  3332.             # generic catch all at the bottom will print the original flag.

  3333.             -Wall)                ;;

  3334.             -std=c99)             ;;

  3335.             # Common flags

  3336.             -fomit-frame-pointer) ;;

  3337.             -g)                   echo -Z7 ;;

  3338.             -fno-math-errno)      ;;

  3339.             -fno-common)          ;;

  3340.             -fno-signed-zeros)    ;;

  3341.             -fPIC)                ;;

  3342.             -mthumb)              ;;

  3343.             -march=*)             ;;

  3344.             -lz)                  echo zlib.lib ;;

  3345.             -lavifil32)           echo vfw32.lib ;;

  3346.             -lavicap32)           echo vfw32.lib user32.lib ;;

  3347.             -l*)                  echo ${flag#-l}.lib ;;

  3348.             -L*)                  echo -libpath:${flag#-L} ;;

  3349.             *)                    echo $flag ;;

  3350.         esac

  3351.     done

  3352. }

  3353. 

  3354. msvc_flags(){

  3355.     msvc_common_flags "$@"

  3356.     for flag; do

  3357.         case $flag in

  3358.             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389     \

  3359.                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \

  3360.                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \

  3361.                                        -wd4307 \

  3362.                                        -wd4273 -wd4554 -wd4701 ;;

  3363.         esac

  3364.     done

  3365. }

  3366. 

  3367. icl_flags(){

  3368.     msvc_common_flags "$@"

  3369.     for flag; do

  3370.         case $flag in

  3371.             # Despite what Intel's documentation says -Wall, which is supported

  3372.             # on Windows, does enable remarks so disable them here.

  3373.             -Wall)                echo $flag -Qdiag-disable:remark ;;

  3374.             -std=c99)             echo -Qstd=c99 ;;

  3375.             -flto)                echo -ipo ;;

  3376.         esac

  3377.     done

  3378. }

  3379. 

  3380. icc_flags(){

  3381.     for flag; do

  3382.         case $flag in

  3383.             -flto)                echo -ipo ;;

  3384.             *)                    echo $flag ;;

  3385.         esac

  3386.     done

  3387. }

  3388. 

  3389. pgi_flags(){

  3390.     for flag; do

  3391.         case $flag in

  3392.             -flto)                echo -Mipa=fast,libopt,libinline,vestigial ;;

  3393.             -fomit-frame-pointer) echo -Mnoframe ;;

  3394.             -g)                   echo -gopt ;;

  3395.             *)                    echo $flag ;;

  3396.         esac

  3397.     done

  3398. }

  3399. 

  3400. suncc_flags(){

  3401.     for flag; do

  3402.         case $flag in

  3403.             -march=*|-mcpu=*)

  3404.                 case "${flag#*=}" in

  3405.                     native)                   echo -xtarget=native       ;;

  3406.                     v9|niagara)               echo -xarch=sparc          ;;

  3407.                     ultrasparc)               echo -xarch=sparcvis       ;;

  3408.                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;

  3409.                     i586|pentium)             echo -xchip=pentium        ;;

  3410.                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;

  3411.                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;

  3412.                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;

  3413.                     pentium4*)          echo -xtarget=pentium4           ;;

  3414.                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;

  3415.                     *-sse3)             echo -xarch=sse3                 ;;

  3416.                     core2)              echo -xarch=ssse3 -xchip=core2   ;;

  3417.                     bonnell)                   echo -xarch=ssse3         ;;

  3418.                     corei7|nehalem)            echo -xtarget=nehalem     ;;

  3419.                     westmere)                  echo -xtarget=westmere    ;;

  3420.                     silvermont)                echo -xarch=sse4_2        ;;

  3421.                     corei7-avx|sandybridge)    echo -xtarget=sandybridge ;;

  3422.                     core-avx*|ivybridge|haswell|broadwell)

  3423.                                                echo -xarch=avx           ;;

  3424.                     amdfam10|barcelona)        echo -xtarget=barcelona   ;;

  3425.                     btver1)                    echo -xarch=amdsse4a      ;;

  3426.                     btver2|bdver*)             echo -xarch=avx           ;;

  3427.                     athlon-4|athlon-[mx]p)     echo -xarch=ssea          ;;

  3428.                     k8|opteron|athlon64|athlon-fx)

  3429.                                                echo -xarch=sse2a         ;;

  3430.                     athlon*)                   echo -xarch=pentium_proa  ;;

  3431.                 esac

  3432.                 ;;

  3433.             -std=c99)             echo -xc99              ;;

  3434.             -fomit-frame-pointer) echo -xregs=frameptr    ;;

  3435.             -fPIC)                echo -KPIC -xcode=pic32 ;;

  3436.             -W*,*)                echo $flag              ;;

  3437.             -f*-*|-W*|-mimpure-text)                      ;;

  3438.             -shared)              echo -G                 ;;

  3439.             *)                    echo $flag              ;;

  3440.         esac

  3441.     done

  3442. }

  3443. 

  3444. tms470_flags(){

  3445.     for flag; do

  3446.         case $flag in

  3447.             -march=*|-mcpu=*)

  3448.                 case "${flag#*=}" in

  3449.                     armv7-a|cortex-a*)      echo -mv=7a8 ;;

  3450.                     armv7-r|cortex-r*)      echo -mv=7r4 ;;

  3451.                     armv7-m|cortex-m*)      echo -mv=7m3 ;;

  3452.                     armv6*|arm11*)          echo -mv=6   ;;

  3453.                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])

  3454.                                             echo -mv=5e  ;;

  3455.                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;

  3456.                 esac

  3457.                 ;;

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

  3459.             -mfpu=vfp)      echo --float_support=vfpv2        ;;

  3460.             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;

  3461.             -mfpu=vfpv3-d16) echo --float_support=vfpv3d16    ;;

  3462.             -msoft-float)   echo --float_support=vfplib       ;;

  3463.             -O[0-3]|-mf=*)  echo $flag                        ;;

  3464.             -g)             echo -g -mn                       ;;

  3465.             -pds=*)         echo $flag                        ;;

  3466.             -D*|-I*)        echo $flag                        ;;

  3467.             --gcc|--abi=*)  echo $flag                        ;;

  3468.             -me)            echo $flag                        ;;

  3469.         esac

  3470.     done

  3471. }

  3472. 

  3473. probe_cc(){

  3474.     pfx=$1

  3475.     _cc=$2

  3476. 

  3477.     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags

  3478.     unset _ld_o _ldflags _ld_lib _ld_path

  3479.     unset _depflags _DEPCMD _DEPFLAGS

  3480.     _flags_filter=echo

  3481. 

  3482.     if $_cc --version 2>&1 | grep -q '^GNU assembler'; then

  3483.         true # no-op to avoid reading stdin in following checks

  3484.     elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then

  3485.         _type=llvm_gcc

  3486.         gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')

  3487.         _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"

  3488.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3489.         _cflags_speed='-O3'

  3490.         _cflags_size='-Os'

  3491.     elif $_cc -v 2>&1 | grep -qi ^gcc; then

  3492.         _type=gcc

  3493.         gcc_version=$($_cc --version | head -n1)

  3494.         gcc_basever=$($_cc -dumpversion)

  3495.         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')

  3496.         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")

  3497.         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")

  3498.         if ! $_cc -dumpversion | grep -q '^2\.'; then

  3499.             _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3500.         fi

  3501.         _cflags_speed='-O3'

  3502.         _cflags_size='-Os'

  3503.     elif $_cc --version 2>/dev/null | grep -q ^icc; then

  3504.         _type=icc

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

  3506.         _depflags='-MMD'

  3507.         _cflags_speed='-O3'

  3508.         _cflags_size='-Os'

  3509.         _cflags_noopt='-O1'

  3510.         _flags_filter=icc_flags

  3511.     elif $_cc -v 2>&1 | grep -q xlc; then

  3512.         _type=xlc

  3513.         _ident=$($_cc -qversion 2>/dev/null | head -n1)

  3514.         _cflags_speed='-O5'

  3515.         _cflags_size='-O5 -qcompact'

  3516.     elif $_cc -V 2>/dev/null | grep -q Compaq; then

  3517.         _type=ccc

  3518.         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)

  3519.         _DEPFLAGS='-M'

  3520.         _cflags_speed='-fast'

  3521.         _cflags_size='-O1'

  3522.         _flags_filter=ccc_flags

  3523.     elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then

  3524.         test -d "$sysroot" || die "No valid sysroot specified."

  3525.         _type=armcc

  3526.         _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')

  3527.         armcc_conf="$PWD/armcc.conf"

  3528.         $_cc --arm_linux_configure                 \

  3529.              --arm_linux_config_file="$armcc_conf" \

  3530.              --configure_sysroot="$sysroot"        \

  3531.              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||

  3532.              die "Error creating armcc configuration file."

  3533.         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc

  3534.         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"

  3535.         as_default="${cross_prefix}gcc"

  3536.         _depflags='-MMD'

  3537.         _cflags_speed='-O3'

  3538.         _cflags_size='-Os'

  3539.     elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then

  3540.         _type=tms470

  3541.         _ident=$($_cc -version | head -n1 | tr -s ' ')

  3542.         _flags='--gcc --abi=eabi -me'

  3543.         _cc_e='-ppl -fe=$@'

  3544.         _cc_o='-fe=$@'

  3545.         _depflags='-ppa -ppd=$(@:.o=.d)'

  3546.         _cflags_speed='-O3 -mf=5'

  3547.         _cflags_size='-O3 -mf=2'

  3548.         _flags_filter=tms470_flags

  3549.     elif $_cc -v 2>&1 | grep -q clang; then

  3550.         _type=clang

  3551.         _ident=$($_cc --version | head -n1)

  3552.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3553.         _cflags_speed='-O3'

  3554.         _cflags_size='-Os'

  3555.     elif $_cc -V 2>&1 | grep -q Sun; then

  3556.         _type=suncc

  3557.         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)

  3558.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'

  3559.         _DEPFLAGS='-xM1 -xc99'

  3560.         _ldflags='-std=c99'

  3561.         _cflags_speed='-O5'

  3562.         _cflags_size='-O5 -xspace'

  3563.         _flags_filter=suncc_flags

  3564.     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then

  3565.         _type=pathscale

  3566.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  3567.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3568.         _cflags_speed='-O2'

  3569.         _cflags_size='-Os'

  3570.         _flags_filter='filter_out -Wdisabled-optimization'

  3571.     elif $_cc -v 2>&1 | grep -q Open64; then

  3572.         _type=open64

  3573.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  3574.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3575.         _cflags_speed='-O2'

  3576.         _cflags_size='-Os'

  3577.         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'

  3578.     elif $_cc -V 2>&1 | grep -q Portland; then

  3579.         _type=pgi

  3580.         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"

  3581.         opt_common='-alias=ansi -Mdse -Mlre -Mpre'

  3582.         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"

  3583.         _cflags_size="-O2 -Munroll=c:1 $opt_common"

  3584.         _cflags_noopt="-O"

  3585.         _flags_filter=pgi_flags

  3586.     elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then

  3587.         _type=armasm

  3588.         _ident=$($_cc | head -n1)

  3589.         # 4509: "This form of conditional instruction is deprecated"

  3590.         _flags="-nologo -ignore 4509"

  3591.         _flags_filter=armasm_flags

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

  3593.         _type=icl

  3594.         _ident=$($_cc 2>&1 | head -n1)

  3595.         _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'

  3596.         # Not only is O3 broken on 13.x+ but it is slower on all previous

  3597.         # versions (tested) as well.

  3598.         _cflags_speed="-O2"

  3599.         _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff

  3600.         if $_cc 2>&1 | grep -q Linker; then

  3601.             _ld_o='-out:$@'

  3602.         else

  3603.             _ld_o='-Fe$@'

  3604.         fi

  3605.         _cc_o='-Fo$@'

  3606.         _cc_e='-P'

  3607.         _flags_filter=icl_flags

  3608.         _ld_lib='lib%.a'

  3609.         _ld_path='-libpath:'

  3610.         # -Qdiag-error to make icl error when seeing certain unknown arguments

  3611.         _flags='-nologo -Qdiag-error:4044,10157'

  3612.         # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency

  3613.         # with MSVC which enables it by default.

  3614.         _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS -fp:precise'

  3615.         disable stripping

  3616.     elif $_cc 2>&1 | grep -q Microsoft; then

  3617.         _type=msvc

  3618.         _ident=$($_cc 2>&1 | head -n1)

  3619.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'

  3620.         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'

  3621.         _cflags_speed="-O2"

  3622.         _cflags_size="-O1"

  3623.         if $_cc 2>&1 | grep -q Linker; then

  3624.             _ld_o='-out:$@'

  3625.         else

  3626.             _ld_o='-Fe$@'

  3627.         fi

  3628.         _cc_o='-Fo$@'

  3629.         _cc_e='-P -Fi$@'

  3630.         _flags_filter=msvc_flags

  3631.         _ld_lib='lib%.a'

  3632.         _ld_path='-libpath:'

  3633.         _flags='-nologo'

  3634.         _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'

  3635.         disable stripping

  3636.     elif $_cc --version 2>/dev/null | grep -q ^cparser; then

  3637.         _type=cparser

  3638.         _ident=$($_cc --version | head -n1)

  3639.         _depflags='-MMD'

  3640.         _cflags_speed='-O4'

  3641.         _cflags_size='-O2'

  3642.         _flags_filter=cparser_flags

  3643.     fi

  3644. 

  3645.     eval ${pfx}_type=\$_type

  3646.     eval ${pfx}_ident=\$_ident

  3647. }

  3648. 

  3649. set_ccvars(){

  3650.     eval ${1}_C=\${_cc_c-\${${1}_C}}

  3651.     eval ${1}_E=\${_cc_e-\${${1}_E}}

  3652.     eval ${1}_O=\${_cc_o-\${${1}_O}}

  3653. 

  3654.     if [ -n "$_depflags" ]; then

  3655.         eval ${1}_DEPFLAGS=\$_depflags

  3656.     else

  3657.         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}

  3658.         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}

  3659.         eval DEP${1}FLAGS=\$_flags

  3660.     fi

  3661. }

  3662. 

  3663. probe_cc cc "$cc"

  3664. cflags_filter=$_flags_filter

  3665. cflags_speed=$_cflags_speed

  3666. cflags_size=$_cflags_size

  3667. cflags_noopt=$_cflags_noopt

  3668. add_cflags $_flags $_cflags

  3669. cc_ldflags=$_ldflags

  3670. set_ccvars CC

  3671. 

  3672. probe_cc hostcc "$host_cc"

  3673. host_cflags_filter=$_flags_filter

  3674. add_host_cflags  $_flags $_cflags

  3675. set_ccvars HOSTCC

  3676. 

  3677. test -n "$cc_type" && enable $cc_type ||

  3678.     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"

  3679. 

  3680. : ${as_default:=$cc}

  3681. : ${dep_cc_default:=$cc}

  3682. : ${ld_default:=$cc}

  3683. : ${host_ld_default:=$host_cc}

  3684. set_default ar as dep_cc ld host_ld windres

  3685. 

  3686. probe_cc as "$as"

  3687. asflags_filter=$_flags_filter

  3688. add_asflags $_flags $_cflags

  3689. set_ccvars AS

  3690. 

  3691. probe_cc ld "$ld"

  3692. ldflags_filter=$_flags_filter

  3693. add_ldflags $_flags $_ldflags

  3694. test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags

  3695. LD_O=${_ld_o-$LD_O}

  3696. LD_LIB=${_ld_lib-$LD_LIB}

  3697. LD_PATH=${_ld_path-$LD_PATH}

  3698. 

  3699. probe_cc hostld "$host_ld"

  3700. host_ldflags_filter=$_flags_filter

  3701. add_host_ldflags $_flags $_ldflags

  3702. HOSTLD_O=${_ld_o-$HOSTLD_O}

  3703. 

  3704. if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then

  3705.     probe_cc depcc "$dep_cc"

  3706.     CCDEP=${_DEPCMD:-$DEPCMD}

  3707.     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}

  3708.     DEPCCFLAGS=$_flags

  3709. fi

  3710. 

  3711. if $ar 2>&1 | grep -q Microsoft; then

  3712.     arflags="-nologo"

  3713.     ar_o='-out:$@'

  3714. elif $ar 2>&1 | grep -q 'Texas Instruments'; then

  3715.     arflags="rq"

  3716.     ar_o='$@'

  3717. elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then

  3718.     arflags='-Xany -r -c'

  3719.     ar_o='$@'

  3720. elif $ar 2>&1 | grep -q "\[D\] "; then

  3721.     arflags="rcD"

  3722.     ar_o='$@'

  3723. else

  3724.     arflags="rc"

  3725.     ar_o='$@'

  3726. fi

  3727. 

  3728. add_cflags $extra_cflags

  3729. add_cxxflags $extra_cxxflags

  3730. add_asflags $extra_cflags

  3731. 

  3732. if test -n "$sysroot"; then

  3733.     case "$cc_type" in

  3734.         gcc|llvm_gcc|clang)

  3735.             add_cppflags --sysroot="$sysroot"

  3736.             add_ldflags --sysroot="$sysroot"

  3737. # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking

  3738.             add_cppflags -isysroot "$sysroot"

  3739.             add_ldflags -isysroot "$sysroot"

  3740.         ;;

  3741.         tms470)

  3742.             add_cppflags -I"$sysinclude"

  3743.             add_ldflags  --sysroot="$sysroot"

  3744.         ;;

  3745.     esac

  3746. fi

  3747. 

  3748. if test "$cpu" = host; then

  3749.     enabled cross_compile &&

  3750.         die "--cpu=host makes no sense when cross-compiling."

  3751. 

  3752.     case "$cc_type" in

  3753.         gcc|llvm_gcc)

  3754.             check_native(){

  3755.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  3756.                 sed -n "/cc1.*$1=/{

  3757.                             s/.*$1=\\([^ ]*\\).*/\\1/

  3758.                             p

  3759.                             q

  3760.                         }" $TMPE

  3761.             }

  3762.             cpu=$(check_native -march || check_native -mcpu)

  3763.         ;;

  3764.     esac

  3765. 

  3766.     test "${cpu:-host}" = host &&

  3767.         die "--cpu=host not supported with compiler $cc"

  3768. fi

  3769. 

  3770. # Deal with common $arch aliases

  3771. case "$arch" in

  3772.     aarch64|arm64)

  3773.         arch="aarch64"

  3774.     ;;

  3775.     arm*|iPad*|iPhone*)

  3776.         arch="arm"

  3777.     ;;

  3778.     mips*|IP*)

  3779.         arch="mips"

  3780.     ;;

  3781.     parisc*|hppa*)

  3782.         arch="parisc"

  3783.     ;;

  3784.     "Power Macintosh"|ppc*|powerpc*)

  3785.         arch="ppc"

  3786.     ;;

  3787.     s390|s390x)

  3788.         arch="s390"

  3789.     ;;

  3790.     sh4|sh)

  3791.         arch="sh4"

  3792.     ;;

  3793.     sun4u|sparc*)

  3794.         arch="sparc"

  3795.     ;;

  3796.     tilegx|tile-gx)

  3797.         arch="tilegx"

  3798.     ;;

  3799.     i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)

  3800.         arch="x86"

  3801.     ;;

  3802. esac

  3803. 

  3804. is_in $arch $ARCH_LIST || warn "unknown architecture $arch"

  3805. enable $arch

  3806. 

  3807. # Add processor-specific flags

  3808. if enabled aarch64; then

  3809. 

  3810.     case $cpu in

  3811.         armv*)

  3812.             cpuflags="-march=$cpu"

  3813.         ;;

  3814.         *)

  3815.             cpuflags="-mcpu=$cpu"

  3816.         ;;

  3817.     esac

  3818. 

  3819. elif enabled alpha; then

  3820. 

  3821.     cpuflags="-mcpu=$cpu"

  3822. 

  3823. elif enabled arm; then

  3824. 

  3825.     check_arm_arch() {

  3826.         check_cpp_condition stddef.h \

  3827.             "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \

  3828.             $cpuflags

  3829.     }

  3830. 

  3831.     probe_arm_arch() {

  3832.         if   check_arm_arch 4;        then echo armv4;

  3833.         elif check_arm_arch 4T;       then echo armv4t;

  3834.         elif check_arm_arch 5;        then echo armv5;

  3835.         elif check_arm_arch 5E;       then echo armv5e;

  3836.         elif check_arm_arch 5T;       then echo armv5t;

  3837.         elif check_arm_arch 5TE;      then echo armv5te;

  3838.         elif check_arm_arch 5TEJ;     then echo armv5te;

  3839.         elif check_arm_arch 6;        then echo armv6;

  3840.         elif check_arm_arch 6J;       then echo armv6j;

  3841.         elif check_arm_arch 6K;       then echo armv6k;

  3842.         elif check_arm_arch 6Z;       then echo armv6z;

  3843.         elif check_arm_arch 6ZK;      then echo armv6zk;

  3844.         elif check_arm_arch 6T2;      then echo armv6t2;

  3845.         elif check_arm_arch 7;        then echo armv7;

  3846.         elif check_arm_arch 7A  7_A;  then echo armv7-a;

  3847.         elif check_arm_arch 7S;       then echo armv7-a;

  3848.         elif check_arm_arch 7R  7_R;  then echo armv7-r;

  3849.         elif check_arm_arch 7M  7_M;  then echo armv7-m;

  3850.         elif check_arm_arch 7EM 7E_M; then echo armv7-m;

  3851.         elif check_arm_arch 8A  8_A;  then echo armv8-a;

  3852.         fi

  3853.     }

  3854. 

  3855.     [ "$cpu" = generic ] && cpu=$(probe_arm_arch)

  3856. 

  3857.     case $cpu in

  3858.         armv*)

  3859.             cpuflags="-march=$cpu"

  3860.             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')

  3861.         ;;

  3862.         *)

  3863.             cpuflags="-mcpu=$cpu"

  3864.             case $cpu in

  3865.                 cortex-a*)                               subarch=armv7a  ;;

  3866.                 cortex-r*)                               subarch=armv7r  ;;

  3867.                 cortex-m*)                 enable thumb; subarch=armv7m  ;;

  3868.                 arm11*)                                  subarch=armv6   ;;

  3869.                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;

  3870.                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;

  3871.                 *)                             subarch=$(probe_arm_arch) ;;

  3872.             esac

  3873.         ;;

  3874.     esac

  3875. 

  3876.     case "$subarch" in

  3877.         armv5t*)    enable fast_clz                ;;

  3878.         armv[6-8]*)

  3879.             enable fast_clz

  3880.             disabled fast_unaligned || enable fast_unaligned

  3881.             ;;

  3882.     esac

  3883. 

  3884. elif enabled avr32; then

  3885. 

  3886.     case $cpu in

  3887.         ap7[02]0[0-2])

  3888.             subarch="avr32_ap"

  3889.             cpuflags="-mpart=$cpu"

  3890.         ;;

  3891.         ap)

  3892.             subarch="avr32_ap"

  3893.             cpuflags="-march=$cpu"

  3894.         ;;

  3895.         uc3[ab]*)

  3896.             subarch="avr32_uc"

  3897.             cpuflags="-mcpu=$cpu"

  3898.         ;;

  3899.         uc)

  3900.             subarch="avr32_uc"

  3901.             cpuflags="-march=$cpu"

  3902.         ;;

  3903.     esac

  3904. 

  3905. elif enabled bfin; then

  3906. 

  3907.     cpuflags="-mcpu=$cpu"

  3908. 

  3909. elif enabled mips; then

  3910. 

  3911.     cpuflags="-march=$cpu"

  3912. 

  3913.     case $cpu in

  3914.         24kc)

  3915.             disable mips32r5

  3916.             disable mips64r6

  3917.             disable mipsfpu

  3918.             disable mipsdspr1

  3919.             disable mipsdspr2

  3920.             disable msa

  3921.         ;;

  3922.         24kf*)

  3923.             disable mips32r5

  3924.             disable mips64r6

  3925.             disable mipsdspr1

  3926.             disable mipsdspr2

  3927.             disable msa

  3928.         ;;

  3929.         24kec|34kc|1004kc)

  3930.             disable mips32r5

  3931.             disable mips64r6

  3932.             disable mipsfpu

  3933.             disable mipsdspr2

  3934.             disable msa

  3935.         ;;

  3936.         24kef*|34kf*|1004kf*)

  3937.             disable mips32r5

  3938.             disable mips64r6

  3939.             disable mipsdspr2

  3940.             disable msa

  3941.         ;;

  3942.         74kc)

  3943.             disable mips32r5

  3944.             disable mips64r6

  3945.             disable mipsfpu

  3946.             disable msa

  3947.         ;;

  3948.         74kf)

  3949.             disable mips32r5

  3950.             disable mips64r6

  3951.             disable msa

  3952.         ;;

  3953.         p5600)

  3954.             disable mips64r6

  3955.             disable mipsdspr1

  3956.             disable mipsdspr2

  3957. 

  3958.             check_cflags "-mtune=p5600"

  3959.         ;;

  3960.         i6400)

  3961.             disable mips32r5

  3962.             disable mipsdspr1

  3963.             disable mipsdspr2

  3964.             disable mipsfpu

  3965. 

  3966.             check_cflags "-mtune=i6400 -mabi=64"

  3967.             check_ldflags "-mabi=64"

  3968.         ;;

  3969.         loongson*)

  3970.             disable mipsfpu

  3971.             disable mips32r2

  3972.             disable mips32r5

  3973.             disable mips64r6

  3974.             disable mipsdspr1

  3975.             disable mipsdspr2

  3976.             disable msa

  3977.             enable local_aligned_8 local_aligned_16 local_aligned_32

  3978.             enable simd_align_16

  3979.             enable fast_64bit

  3980.             enable fast_clz

  3981.             enable fast_cmov

  3982.             enable fast_unaligned

  3983.             disable aligned_stack

  3984.             case $cpu in

  3985.                 loongson3*)

  3986.                     cpuflags="-march=loongson3a -mhard-float"

  3987.                 ;;

  3988.                 loongson2e)

  3989.                     cpuflags="-march=loongson2e -mhard-float"

  3990.                 ;;

  3991.                 loongson2f)

  3992.                     cpuflags="-march=loongson2f -mhard-float"

  3993.                 ;;

  3994.             esac

  3995.         ;;

  3996.         generic)

  3997.             disable mips32r5

  3998.             disable mips64r6

  3999.             disable msa

  4000.         ;;

  4001.     esac

  4002. 

  4003. elif enabled ppc; then

  4004. 

  4005.     disable ldbrx

  4006. 

  4007.     case $(tolower $cpu) in

  4008.         601|ppc601|powerpc601)

  4009.             cpuflags="-mcpu=601"

  4010.             disable altivec

  4011.         ;;

  4012.         603*|ppc603*|powerpc603*)

  4013.             cpuflags="-mcpu=603"

  4014.             disable altivec

  4015.         ;;

  4016.         604*|ppc604*|powerpc604*)

  4017.             cpuflags="-mcpu=604"

  4018.             disable altivec

  4019.         ;;

  4020.         g3|75*|ppc75*|powerpc75*)

  4021.             cpuflags="-mcpu=750"

  4022.             disable altivec

  4023.         ;;

  4024.         g4|745*|ppc745*|powerpc745*)

  4025.             cpuflags="-mcpu=7450"

  4026.             disable vsx

  4027.         ;;

  4028.         74*|ppc74*|powerpc74*)

  4029.             cpuflags="-mcpu=7400"

  4030.             disable vsx

  4031.         ;;

  4032.         g5|970|ppc970|powerpc970)

  4033.             cpuflags="-mcpu=970"

  4034.             disable vsx

  4035.         ;;

  4036.         power[3-6]*)

  4037.             cpuflags="-mcpu=$cpu"

  4038.             disable vsx

  4039.         ;;

  4040.         power[7-8]*)

  4041.             cpuflags="-mcpu=$cpu"

  4042.         ;;

  4043.         cell)

  4044.             cpuflags="-mcpu=cell"

  4045.             enable ldbrx

  4046.             disable vsx

  4047.         ;;

  4048.         e500mc)

  4049.             cpuflags="-mcpu=e500mc"

  4050.             disable altivec

  4051.         ;;

  4052.         e500v2)

  4053.             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"

  4054.             disable altivec

  4055.             disable dcbzl

  4056.         ;;

  4057.         e500)

  4058.             cpuflags="-mcpu=8540 -mhard-float"

  4059.             disable altivec

  4060.             disable dcbzl

  4061.         ;;

  4062.     esac

  4063. 

  4064. elif enabled sparc; then

  4065. 

  4066.     case $cpu in

  4067.         cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])

  4068.             cpuflags="-mcpu=$cpu"

  4069.         ;;

  4070.         ultrasparc*|niagara[234])

  4071.             cpuflags="-mcpu=$cpu"

  4072.         ;;

  4073.     esac

  4074. 

  4075. elif enabled x86; then

  4076. 

  4077.     case $cpu in

  4078.         i[345]86|pentium)

  4079.             cpuflags="-march=$cpu"

  4080.             disable i686

  4081.             disable mmx

  4082.         ;;

  4083.         # targets that do NOT support nopl and conditional mov (cmov)

  4084.         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)

  4085.             cpuflags="-march=$cpu"

  4086.             disable i686

  4087.         ;;

  4088.         # targets that do support nopl and conditional mov (cmov)

  4089.         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\

  4090.         |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)

  4091.             cpuflags="-march=$cpu"

  4092.             enable i686

  4093.             enable fast_cmov

  4094.         ;;

  4095.         # targets that do support conditional mov but on which it's slow

  4096.         pentium4|pentium4m|prescott|nocona)

  4097.             cpuflags="-march=$cpu"

  4098.             enable i686

  4099.             disable fast_cmov

  4100.         ;;

  4101.     esac

  4102. 

  4103. fi

  4104. 

  4105. if [ "$cpu" != generic ]; then

  4106.     add_cflags  $cpuflags

  4107.     add_asflags $cpuflags

  4108. fi

  4109. 

  4110. # compiler sanity check

  4111. check_exec <<EOF

  4112. int main(void){ return 0; }

  4113. EOF

  4114. if test "$?" != 0; then

  4115.     echo "$cc is unable to create an executable file."

  4116.     if test -z "$cross_prefix" && ! enabled cross_compile ; then

  4117.         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."

  4118.         echo "Only do this if you know what cross compiling means."

  4119.     fi

  4120.     die "C compiler test failed."

  4121. fi

  4122. 

  4123. add_cppflags -D_ISOC99_SOURCE

  4124. add_cxxflags -D__STDC_CONSTANT_MACROS

  4125. check_cflags -std=c99

  4126. check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64

  4127. #include <stdlib.h>

  4128. EOF

  4129. check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE

  4130. #include <stdlib.h>

  4131. EOF

  4132. 

  4133. add_host_cppflags -D_ISOC99_SOURCE

  4134. check_host_cflags -std=c99

  4135. check_host_cflags -Wall

  4136. check_host_cflags -O3

  4137. 

  4138. check_64bit(){

  4139.     arch32=$1

  4140.     arch64=$2

  4141.     expr=$3

  4142.     check_code cc "" "int test[2*($expr) - 1]" &&

  4143.         subarch=$arch64 || subarch=$arch32

  4144. }

  4145. 

  4146. case "$arch" in

  4147.     aarch64|alpha|ia64)

  4148.         spic=$shared

  4149.     ;;

  4150.     mips)

  4151.         check_64bit mips mips64 '_MIPS_SIM > 1'

  4152.         spic=$shared

  4153.     ;;

  4154.     parisc)

  4155.         check_64bit parisc parisc64 'sizeof(void *) > 4'

  4156.         spic=$shared

  4157.     ;;

  4158.     ppc)

  4159.         check_64bit ppc ppc64 'sizeof(void *) > 4'

  4160.         spic=$shared

  4161.     ;;

  4162.     s390)

  4163.         check_64bit s390 s390x 'sizeof(void *) > 4'

  4164.         spic=$shared

  4165.     ;;

  4166.     sparc)

  4167.         check_64bit sparc sparc64 'sizeof(void *) > 4'

  4168.         spic=$shared

  4169.     ;;

  4170.     x86)

  4171.         check_64bit x86_32 x86_64 'sizeof(void *) > 4'

  4172.         # Treat x32 as x64 for now. Note it also needs spic=$shared

  4173.         test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&

  4174.             subarch=x86_64

  4175.         if test "$subarch" = "x86_64"; then

  4176.             spic=$shared

  4177.         fi

  4178.     ;;

  4179.     ppc)

  4180.         check_cc <<EOF && subarch="ppc64"

  4181.         int test[(int)sizeof(char*) - 7];

  4182. EOF

  4183.     ;;

  4184. esac

  4185. 

  4186. enable $subarch

  4187. enabled spic && enable_weak pic

  4188. 

  4189. # OS specific

  4190. case $target_os in

  4191.     aix)

  4192.         SHFLAGS=-shared

  4193.         add_cppflags '-I\$(SRC_PATH)/compat/aix'

  4194.         enabled shared && add_ldflags -Wl,-brtl

  4195.         ;;

  4196.     android)

  4197.         disable symver

  4198.         enable section_data_rel_ro

  4199.         SLIB_INSTALL_NAME='$(SLIBNAME)'

  4200.         SLIB_INSTALL_LINKS=

  4201.         # soname not set on purpose

  4202.         SHFLAGS=-shared

  4203.         ;;

  4204.     haiku)

  4205.         prefix_default="/boot/common"

  4206.         network_extralibs="-lnetwork"

  4207.         host_libs=

  4208.         ;;

  4209.     sunos)

  4210.         SHFLAGS='-shared -Wl,-h,$$(@F)'

  4211.         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"

  4212.         network_extralibs="-lsocket -lnsl"

  4213.         add_cppflags -D__EXTENSIONS__

  4214.         # When using suncc to build, the Solaris linker will mark

  4215.         # an executable with each instruction set encountered by

  4216.         # the Solaris assembler.  As our libraries contain their own

  4217.         # guards for processor-specific code, instead suppress

  4218.         # generation of the HWCAPS ELF section on Solaris x86 only.

  4219.         enabled_all suncc x86 &&

  4220.             echo "hwcap_1 = OVERRIDE;" > mapfile &&

  4221.             add_ldflags -Wl,-M,mapfile

  4222.         nm_default='nm -P -g'

  4223.         ;;

  4224.     netbsd)

  4225.         disable symver

  4226.         oss_indev_extralibs="-lossaudio"

  4227.         oss_outdev_extralibs="-lossaudio"

  4228.         enabled gcc || check_ldflags -Wl,-zmuldefs

  4229.         ;;

  4230.     openbsd|bitrig)

  4231.         disable symver

  4232.         SHFLAGS='-shared'

  4233.         SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'

  4234.         SLIB_INSTALL_LINKS=

  4235.         oss_indev_extralibs="-lossaudio"

  4236.         oss_outdev_extralibs="-lossaudio"

  4237.         ;;

  4238.     dragonfly)

  4239.         disable symver

  4240.         ;;

  4241.     freebsd)

  4242.         ;;

  4243.     bsd/os)

  4244.         add_extralibs -lpoll -lgnugetopt

  4245.         strip="strip -d"

  4246.         ;;

  4247.     darwin)

  4248.         enabled ppc && add_asflags -force_cpusubtype_ALL

  4249.         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'

  4250.         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress

  4251.         strip="${strip} -x"

  4252.         add_ldflags -Wl,-dynamic,-search_paths_first

  4253.         SLIBSUF=".dylib"

  4254.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'

  4255.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'

  4256.         objformat="macho"

  4257.         enabled x86_64 && objformat="macho64"

  4258.         enabled_any pic shared x86_64 ||

  4259.             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }

  4260.         ;;

  4261.     mingw32*)

  4262.         if test $target_os = "mingw32ce"; then

  4263.             disable network

  4264.         else

  4265.             target_os=mingw32

  4266.         fi

  4267.         LIBTARGET=i386

  4268.         if enabled x86_64; then

  4269.             LIBTARGET="i386:x86-64"

  4270.         elif enabled arm; then

  4271.             LIBTARGET=arm-wince

  4272.         fi

  4273.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4274.         check_ldflags -Wl,--nxcompat

  4275.         check_ldflags -Wl,--dynamicbase

  4276.         enabled x86_32 && check_ldflags -Wl,--large-address-aware

  4277.         shlibdir_default="$bindir_default"

  4278.         SLIBPREF=""

  4279.         SLIBSUF=".dll"

  4280.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4281.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4282.         dlltool="${cross_prefix}dlltool"

  4283.         if check_cmd lib.exe -list; then

  4284.             SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4285.             if enabled x86_64; then

  4286.                 LIBTARGET=x64

  4287.             fi

  4288.         elif check_cmd $dlltool --version; then

  4289.             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)'

  4290.         fi

  4291.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4292.         SLIB_INSTALL_LINKS=

  4293.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4294.         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4295.         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'

  4296.         objformat="win32"

  4297.         ranlib=:

  4298.         enable dos_paths

  4299.         ;;

  4300.     win32|win64)

  4301.         disable symver

  4302.         if enabled shared; then

  4303.             # Link to the import library instead of the normal static library

  4304.             # for shared libs.

  4305.             LD_LIB='%.lib'

  4306.             # Cannot build both shared and static libs with MSVC or icl.

  4307.             disable static

  4308.         fi

  4309.         enabled x86_32 && check_ldflags -LARGEADDRESSAWARE

  4310.         shlibdir_default="$bindir_default"

  4311.         SLIBPREF=""

  4312.         SLIBSUF=".dll"

  4313.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4314.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4315.         SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'

  4316.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4317.         SLIB_INSTALL_LINKS=

  4318.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4319.         SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4320.         SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4321.         objformat="win32"

  4322.         ranlib=:

  4323.         enable dos_paths

  4324.         ;;

  4325.     cygwin*)

  4326.         target_os=cygwin

  4327.         shlibdir_default="$bindir_default"

  4328.         SLIBPREF="cyg"

  4329.         SLIBSUF=".dll"

  4330.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4331.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4332.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4333.         SLIB_INSTALL_LINKS=

  4334.         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'

  4335.         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'

  4336.         objformat="win32"

  4337.         enable dos_paths

  4338.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4339.         ;;

  4340.     *-dos|freedos|opendos)

  4341.         network_extralibs="-lsocket"

  4342.         objformat="coff"

  4343.         enable dos_paths

  4344.         add_cppflags -U__STRICT_ANSI__

  4345.         ;;

  4346.     linux)

  4347.         enable dv1394

  4348.         enable section_data_rel_ro

  4349.         ;;

  4350.     irix*)

  4351.         target_os=irix

  4352.         ranlib="echo ignoring ranlib"

  4353.         ;;

  4354.     os/2*)

  4355.         strip="lxlite -CS"

  4356.         ln_s="cp -f"

  4357.         objformat="aout"

  4358.         add_cppflags -D_GNU_SOURCE

  4359.         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap

  4360.         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'

  4361.         LIBSUF="_s.a"

  4362.         SLIBPREF=""

  4363.         SLIBSUF=".dll"

  4364.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'

  4365.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'

  4366.         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \

  4367.             echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \

  4368.             echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \

  4369.             echo EXPORTS >> $(SUBDIR)$(NAME).def; \

  4370.             emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'

  4371.         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \

  4372.             emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'

  4373.         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'

  4374.         enable dos_paths

  4375.         enable_weak os2threads

  4376.         ;;

  4377.     gnu/kfreebsd)

  4378.         add_cppflags -D_BSD_SOURCE

  4379.         ;;

  4380.     gnu)

  4381.         ;;

  4382.     qnx)

  4383.         add_cppflags -D_QNX_SOURCE

  4384.         network_extralibs="-lsocket"

  4385.         ;;

  4386.     symbian)

  4387.         SLIBSUF=".dll"

  4388.         enable dos_paths

  4389.         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default

  4390.         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS

  4391.         add_ldflags -Wl,--target1-abs,--no-undefined \

  4392.                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \

  4393.                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup

  4394.         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \

  4395.                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \

  4396.                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib

  4397.         ;;

  4398.     osf1)

  4399.         add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT

  4400.         ;;

  4401.     minix)

  4402.         ;;

  4403.     plan9)

  4404.         add_cppflags -D_C99_SNPRINTF_EXTENSION  \

  4405.                      -D_REENTRANT_SOURCE        \

  4406.                      -D_RESEARCH_SOURCE         \

  4407.                      -DFD_SETSIZE=96            \

  4408.                      -DHAVE_SOCK_OPTS

  4409.         add_compat strtod.o strtod=avpriv_strtod

  4410.         network_extralibs='-lbsd'

  4411.         exeobjs=compat/plan9/main.o

  4412.         disable ffserver

  4413.         cp_f='cp'

  4414.         ;;

  4415.     none)

  4416.         ;;

  4417.     *)

  4418.         die "Unknown OS '$target_os'."

  4419.         ;;

  4420. esac

  4421. 

  4422. # determine libc flavour

  4423. 

  4424. probe_libc(){

  4425.     pfx=$1

  4426.     pfx_no_=${pfx%_}

  4427.     # uclibc defines __GLIBC__, so it needs to be checked before glibc.

  4428.     if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then

  4429.         eval ${pfx}libc_type=uclibc

  4430.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4431.     elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then

  4432.         eval ${pfx}libc_type=glibc

  4433.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4434.     # MinGW headers can be installed on Cygwin, so check for newlib first.

  4435.     elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then

  4436.         eval ${pfx}libc_type=newlib

  4437.         add_${pfx}cppflags -U__STRICT_ANSI__

  4438.     # MinGW64 is backwards compatible with MinGW32, so check for it first.

  4439.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then

  4440.         eval ${pfx}libc_type=mingw64

  4441.         if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then

  4442.             add_compat msvcrt/snprintf.o

  4443.             add_cflags "-include $source_path/compat/msvcrt/snprintf.h"

  4444.         fi

  4445.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4446.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4447.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4448.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION"  ||

  4449.          check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then

  4450.         eval ${pfx}libc_type=mingw32

  4451.         check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \

  4452.             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||

  4453.             die "ERROR: MinGW32 runtime version must be >= 3.15."

  4454.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4455.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4456.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4457.     elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then

  4458.         eval ${pfx}libc_type=msvcrt

  4459.         if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then

  4460.             if [ "$pfx" = host_ ]; then

  4461.                 add_host_cppflags -Dsnprintf=_snprintf

  4462.             else

  4463.                 add_compat strtod.o strtod=avpriv_strtod

  4464.                 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf   \

  4465.                                              _snprintf=avpriv_snprintf  \

  4466.                                              vsnprintf=avpriv_vsnprintf

  4467.             fi

  4468.         fi

  4469.         # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to

  4470.         # 0x601 by default unless something else is set by the user.

  4471.         # This can easily lead to us detecting functions only present

  4472.         # in such new versions and producing binaries requiring windows 7.0.

  4473.         # Therefore explicitly set the default to XP unless the user has

  4474.         # set something else on the command line.

  4475.         check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||

  4476.             add_${pfx}cppflags -D_WIN32_WINNT=0x0502

  4477.     elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then

  4478.         eval ${pfx}libc_type=klibc

  4479.     elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then

  4480.         eval ${pfx}libc_type=bionic

  4481.     elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then

  4482.         eval ${pfx}libc_type=solaris

  4483.         add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600

  4484.     fi

  4485.     check_${pfx}cc <<EOF

  4486. #include <time.h>

  4487. void *v = localtime_r;

  4488. EOF

  4489. 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

  4490. #include <time.h>

  4491. void *v = localtime_r;

  4492. EOF

  4493. 

  4494. }

  4495. 

  4496. probe_libc

  4497. test -n "$libc_type" && enable libc_$libc_type

  4498. probe_libc host_

  4499. test -n "$host_libc_type" && enable host_libc_$host_libc_type

  4500. 

  4501. case $libc_type in

  4502.     bionic)

  4503.         add_compat strtod.o strtod=avpriv_strtod

  4504.         ;;

  4505. esac

  4506. 

  4507. # hacks for compiler/libc/os combinations

  4508. 

  4509. if enabled_all tms470 libc_glibc; then

  4510.     CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"

  4511.     add_cppflags -D__USER_LABEL_PREFIX__=

  4512.     add_cppflags -D__builtin_memset=memset

  4513.     add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED

  4514.     add_cflags   -pds=48    # incompatible redefinition of macro

  4515. fi

  4516. 

  4517. if enabled_all ccc libc_glibc; then

  4518.     add_ldflags -Wl,-z,now  # calls to libots crash without this

  4519. fi

  4520. 

  4521. check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||

  4522.     add_cppflags '-I\$(SRC_PATH)/compat/float'

  4523. 

  4524. esc(){

  4525.     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'

  4526. }

  4527. 

  4528. echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate

  4529. 

  4530. check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic

  4531. 

  4532. set_default libdir

  4533. : ${shlibdir_default:="$libdir"}

  4534. : ${pkgconfigdir_default:="$libdir/pkgconfig"}

  4535. 

  4536. set_default $PATHS_LIST

  4537. set_default nm

  4538. 

  4539. # we need to build at least one lib type

  4540. if ! enabled_any static shared; then

  4541.     cat <<EOF

  4542. At least one library type must be built.

  4543. Specify --enable-static to build the static libraries or --enable-shared to

  4544. build the shared libraries as well. To only build the shared libraries specify

  4545. --disable-static in addition to --enable-shared.

  4546. EOF

  4547.     exit 1;

  4548. fi

  4549. 

  4550. die_license_disabled() {

  4551.     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }

  4552. }

  4553. 

  4554. die_license_disabled_gpl() {

  4555.     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }

  4556. }

  4557. 

  4558. die_license_disabled gpl frei0r

  4559. die_license_disabled gpl libcdio

  4560. die_license_disabled gpl libsmbclient

  4561. die_license_disabled gpl libutvideo

  4562. die_license_disabled gpl libvidstab

  4563. die_license_disabled gpl libx264

  4564. die_license_disabled gpl libx265

  4565. die_license_disabled gpl libxavs

  4566. die_license_disabled gpl libxvid

  4567. die_license_disabled gpl libzvbi

  4568. die_license_disabled gpl x11grab

  4569. 

  4570. die_license_disabled nonfree libaacplus

  4571. die_license_disabled nonfree libfaac

  4572. die_license_disabled nonfree nvenc

  4573. enabled gpl && die_license_disabled_gpl nonfree libfdk_aac

  4574. enabled gpl && die_license_disabled_gpl nonfree openssl

  4575. 

  4576. die_license_disabled version3 libopencore_amrnb

  4577. die_license_disabled version3 libopencore_amrwb

  4578. die_license_disabled version3 libsmbclient

  4579. die_license_disabled version3 libvo_aacenc

  4580. die_license_disabled version3 libvo_amrwbenc

  4581. 

  4582. enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }

  4583. 

  4584. disabled optimizations || check_cflags -fomit-frame-pointer

  4585. 

  4586. enable_weak_pic() {

  4587.     disabled pic && return

  4588.     enable pic

  4589.     add_cppflags -DPIC

  4590.     case "$target_os" in

  4591.     mingw*|cygwin*)

  4592.         ;;

  4593.     *)

  4594.         add_cflags -fPIC

  4595.         ;;

  4596.     esac

  4597.     add_asflags  -fPIC

  4598. }

  4599. 

  4600. enabled pic && enable_weak_pic

  4601. 

  4602. check_cc <<EOF || die "Symbol mangling check failed."

  4603. int ff_extern;

  4604. EOF

  4605. sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')

  4606. extern_prefix=${sym%%ff_extern*}

  4607. 

  4608. check_cc <<EOF && enable_weak inline_asm

  4609. void foo(void) { __asm__ volatile ("" ::); }

  4610. EOF

  4611. 

  4612. _restrict=

  4613. for restrict_keyword in restrict __restrict__ __restrict; do

  4614.     check_cc <<EOF && _restrict=$restrict_keyword && break

  4615. void foo(char * $restrict_keyword p);

  4616. EOF

  4617. done

  4618. 

  4619. check_cc <<EOF && enable pragma_deprecated

  4620. void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }

  4621. EOF

  4622. 

  4623. check_cc <<EOF && enable attribute_packed

  4624. struct { int x; } __attribute__((packed)) x;

  4625. EOF

  4626. 

  4627. check_cc <<EOF && enable attribute_may_alias

  4628. union { int x; } __attribute__((may_alias)) x;

  4629. EOF

  4630. 

  4631. check_cc <<EOF || die "endian test failed"

  4632. unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';

  4633. EOF

  4634. od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian

  4635. 

  4636. if ! enabled ppc64 || enabled bigendian; then

  4637.     disable vsx

  4638. fi

  4639. 

  4640. check_gas() {

  4641.     log "check_gas using '$as' as AS"

  4642.     # :vararg is used on aarch64, arm and ppc altivec

  4643.     check_as <<EOF || return 1

  4644. .macro m n, y:vararg=0

  4645. \n: .int \y

  4646. .endm

  4647. m x

  4648. EOF

  4649.     # .altmacro is only used in arm asm

  4650.     ! enabled arm || check_as <<EOF || return 1

  4651. .altmacro

  4652. EOF

  4653.     enable gnu_as

  4654.     return 0

  4655. }

  4656. 

  4657. if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then

  4658.     nogas=:

  4659.     enabled_any arm aarch64 && nogas=die

  4660.     enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn

  4661.     as_noop=-v

  4662. 

  4663.     case $as_type in

  4664.         arm*) gaspp_as_type=armasm; as_noop=-h ;;

  4665.         gcc)  gaspp_as_type=gas ;;

  4666.         *)    gaspp_as_type=$as_type ;;

  4667.     esac

  4668. 

  4669.     [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"

  4670. 

  4671.     test "${as#*gas-preprocessor.pl}" != "$as" ||

  4672.     check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&

  4673.         gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"

  4674. 

  4675.     if ! check_gas ; then

  4676.         as=${gas:=$as}

  4677.         check_gas || \

  4678.             $nogas "GNU assembler not found, install/update gas-preprocessor"

  4679.     fi

  4680. 

  4681.     check_as <<EOF && enable as_func

  4682. .func test

  4683. .endfunc

  4684. EOF

  4685. fi

  4686. 

  4687. check_inline_asm inline_asm_labels '"1:\n"'

  4688. 

  4689. check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'

  4690. 

  4691. if enabled aarch64; then

  4692.     enabled armv8 && check_insn armv8 'prfm   pldl1strm, [x0]'

  4693.     # internal assembler in clang 3.3 does not support this instruction

  4694.     enabled neon && check_insn neon 'ext   v0.8B, v0.8B, v1.8B, #1'

  4695.     enabled vfp  && check_insn vfp  'fmadd d0,    d0,    d1,    d2'

  4696. 

  4697.     map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM

  4698. 

  4699. elif enabled alpha; then

  4700. 

  4701.     check_cflags -mieee

  4702. 

  4703. elif enabled arm; then

  4704. 

  4705.     check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb

  4706. float func(float a, float b){ return a+b; }

  4707. EOF

  4708. 

  4709.     enabled thumb && check_cflags -mthumb || check_cflags -marm

  4710. 

  4711.     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then

  4712.         enable vfp_args

  4713.     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then

  4714.         case "${cross_prefix:-$cc}" in

  4715.             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;

  4716.             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;

  4717. __asm__ (".eabi_attribute 28, 1");

  4718. int main(void) { return 0; }

  4719. EOF

  4720.         esac

  4721.         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."

  4722.     fi

  4723. 

  4724.     enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'

  4725.     enabled armv6   && check_insn armv6   'sadd16 r0, r0, r0'

  4726.     enabled armv6t2 && check_insn armv6t2 'movt r0, #0'

  4727.     enabled neon    && check_insn neon    'vadd.i16 q0, q0, q0'

  4728.     enabled vfp     && check_insn vfp     'fadds s0, s0, s0'

  4729.     enabled vfpv3   && check_insn vfpv3   'vmov.f32 s0, #1.0'

  4730.     enabled setend  && check_insn setend  'setend be'

  4731. 

  4732.     [ $target_os = linux ] || [ $target_os = android ] ||

  4733.         map 'enabled_any ${v}_external ${v}_inline || disable $v' \

  4734.             $ARCH_EXT_LIST_ARM

  4735. 

  4736.     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'

  4737. 

  4738.     check_as <<EOF && enable as_dn_directive

  4739. ra .dn d0.i16

  4740. .unreq ra

  4741. EOF

  4742. 

  4743.     # llvm's integrated assembler supports .object_arch from llvm 3.5

  4744.     [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch

  4745. .object_arch armv4

  4746. EOF

  4747. 

  4748.     [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic

  4749. 

  4750. elif enabled mips; then

  4751. 

  4752.     enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'

  4753.     enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'

  4754.     enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'

  4755. 

  4756.     # Enable minimum ISA based on selected options

  4757.     if enabled mips64 && (enabled mipsdspr1 || enabled mipsdspr2); then

  4758.         add_cflags "-mips64r2"

  4759.         add_asflags "-mips64r2"

  4760.     elif enabled mips64 && enabled mipsfpu && disabled loongson2 && disabled loongson3; then

  4761.         add_cflags "-mips64"

  4762.         add_asflags "-mips64"

  4763.     elif enabled mipsdspr1 || enabled mipsdspr2; then

  4764.         add_cflags "-mips32r2 -mfp32"

  4765.         add_asflags "-mips32r2 -mfp32"

  4766.     elif enabled mips32r5 || enabled mips64r6; then

  4767.         check_cflags "-mfp64"

  4768.         check_ldflags "-mfp64"

  4769.     fi

  4770. 

  4771.     enabled mips32r5  && check_cflags "-mips32r5 -msched-weight -mload-store-pairs -funroll-loops" &&

  4772.      check_ldflags "-mips32r5" &&

  4773.      check_inline_asm mips32r5  '"ulw $t0, ($t1)"'

  4774.     enabled mips64r6  && check_cflags "-mips64r6 -msched-weight -mload-store-pairs -funroll-loops" &&

  4775.      check_ldflags "-mips64r6" &&

  4776.      check_inline_asm mips64r6  '"aui $t0, $t1, 1"'

  4777.     enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&

  4778.      check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'

  4779.     enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&

  4780.      check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'

  4781.     enabled mipsfpu   && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&

  4782.      check_inline_asm mipsfpu   '"madd.d $f0, $f2, $f4, $f6"'

  4783.     enabled msa       && check_cflags "-mmsa" && check_ldflags "-mmsa" &&

  4784.      check_inline_asm msa       '"addvi.b $w0, $w1, 1"'

  4785. 

  4786.     enabled mips32r5 && add_asflags "-mips32r5 -mfp64"

  4787.     enabled mips64r6 && add_asflags "-mips64r6 -mfp64"

  4788.     enabled msa && add_asflags "-mmsa"

  4789. 

  4790. elif enabled parisc; then

  4791. 

  4792.     if enabled gcc; then

  4793.         case $($cc -dumpversion) in

  4794.             4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;

  4795.         esac

  4796.     fi

  4797. 

  4798. elif enabled ppc; then

  4799. 

  4800.     enable local_aligned_8 local_aligned_16 local_aligned_32

  4801. 

  4802.     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'

  4803.     check_inline_asm ibm_asm   '"add 0, 0, 0"'

  4804.     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'

  4805.     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'

  4806. 

  4807.     # AltiVec flags: The FSF version of GCC differs from the Apple version

  4808.     if enabled altivec; then

  4809.         check_cflags -maltivec -mabi=altivec &&

  4810.         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||

  4811.         check_cflags -faltivec

  4812. 

  4813.         # check if our compiler supports Motorola AltiVec C API

  4814.         check_cc <<EOF || disable altivec

  4815. $inc_altivec_h

  4816. int main(void) {

  4817.     vector signed int v1 = (vector signed int) { 0 };

  4818.     vector signed int v2 = (vector signed int) { 1 };

  4819.     v1 = vec_add(v1, v2);

  4820.     return 0;

  4821. }

  4822. EOF

  4823. 

  4824.         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"

  4825.     fi

  4826. 

  4827.     if enabled vsx; then

  4828.         check_cflags -mvsx &&

  4829.         check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx

  4830.     fi

  4831. 

  4832.     if enabled power8; then

  4833.         check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8

  4834.     fi

  4835. 

  4836. elif enabled x86; then

  4837. 

  4838.     check_builtin rdtsc    intrin.h   "__rdtsc()"

  4839.     check_builtin mm_empty mmintrin.h "_mm_empty()"

  4840. 

  4841.     enable local_aligned_8 local_aligned_16 local_aligned_32

  4842. 

  4843.     # check whether EBP is available on x86

  4844.     # As 'i' is stored on the stack, this program will crash

  4845.     # if the base pointer is used to access it because the

  4846.     # base pointer is cleared in the inline assembly code.

  4847.     check_exec_crash <<EOF && enable ebp_available

  4848. volatile int i=0;

  4849. __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");

  4850. return i;

  4851. EOF

  4852. 

  4853.     # check whether EBX is available on x86

  4854.     check_inline_asm ebx_available '""::"b"(0)' &&

  4855.         check_inline_asm ebx_available '"":::"%ebx"'

  4856. 

  4857.     # check whether xmm clobbers are supported

  4858.     check_inline_asm xmm_clobbers '"":::"%xmm0"'

  4859. 

  4860.     check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||

  4861.         check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'

  4862. 

  4863.     # check whether binutils is new enough to compile SSSE3/MMXEXT

  4864.     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'

  4865.     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'

  4866. 

  4867.     if ! disabled_any asm mmx yasm; then

  4868.         if check_cmd $yasmexe --version; then

  4869.             enabled x86_64 && yasm_extra="-m amd64"

  4870.             yasm_debug="-g dwarf2"

  4871.         elif check_cmd nasm -v; then

  4872.             yasmexe=nasm

  4873.             yasm_debug="-g -F dwarf"

  4874.             if enabled x86_64; then

  4875.                 case "$objformat" in

  4876.                     elf)   objformat=elf64 ;;

  4877.                     win32) objformat=win64 ;;

  4878.                 esac

  4879.             fi

  4880.         fi

  4881. 

  4882.         YASMFLAGS="-f $objformat $yasm_extra"

  4883.         enabled pic               && append YASMFLAGS "-DPIC"

  4884.         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"

  4885.         case "$objformat" in

  4886.             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;

  4887.         esac

  4888. 

  4889.         check_yasm "movbe ecx, [5]" && enable yasm ||

  4890.             die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."

  4891.         check_yasm "vextracti128 xmm0, ymm0, 0"      || disable avx2_external

  4892.         check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external

  4893.         check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external

  4894.         check_yasm "CPU amdnop" || disable cpunop

  4895.     fi

  4896. 

  4897.     case "$cpu" in

  4898.         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)

  4899.             disable fast_clz

  4900.         ;;

  4901.     esac

  4902. 

  4903. fi

  4904. 

  4905. check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon

  4906. 

  4907. check_ldflags -Wl,--as-needed

  4908. check_ldflags -Wl,-z,noexecstack

  4909. 

  4910. if check_func dlopen; then

  4911.     ldl=

  4912. elif check_func dlopen -ldl; then

  4913.     ldl=-ldl

  4914. fi

  4915. 

  4916. frei0r_filter_extralibs='$ldl'

  4917. frei0r_src_filter_extralibs='$ldl'

  4918. ladspa_filter_extralibs='$ldl'

  4919. nvenc_encoder_extralibs='$ldl'

  4920. 

  4921. if ! disabled network; then

  4922.     check_func getaddrinfo $network_extralibs

  4923.     check_func getservbyport $network_extralibs

  4924.     check_func inet_aton $network_extralibs

  4925. 

  4926.     check_type netdb.h "struct addrinfo"

  4927.     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE

  4928.     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE

  4929.     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE

  4930.     check_type poll.h "struct pollfd"

  4931.     check_type netinet/sctp.h "struct sctp_event_subscribe"

  4932.     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len

  4933.     check_type netinet/in.h "struct sockaddr_in6"

  4934.     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"

  4935.     check_type "sys/types.h sys/socket.h" socklen_t

  4936. 

  4937.     # Prefer arpa/inet.h over winsock2

  4938.     if check_header arpa/inet.h ; then

  4939.         check_func closesocket

  4940.     elif check_header winsock2.h ; then

  4941.         check_func_headers winsock2.h closesocket -lws2 &&

  4942.             network_extralibs="-lws2" ||

  4943.         { check_func_headers winsock2.h closesocket -lws2_32 &&

  4944.             network_extralibs="-lws2_32"; } || disable winsock2_h network

  4945.         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs

  4946. 

  4947.         check_type ws2tcpip.h socklen_t

  4948.         check_type ws2tcpip.h "struct addrinfo"

  4949.         check_type ws2tcpip.h "struct group_source_req"

  4950.         check_type ws2tcpip.h "struct ip_mreq_source"

  4951.         check_type ws2tcpip.h "struct ipv6_mreq"

  4952.         check_type winsock2.h "struct pollfd"

  4953.         check_struct winsock2.h "struct sockaddr" sa_len

  4954.         check_type ws2tcpip.h "struct sockaddr_in6"

  4955.         check_type ws2tcpip.h "struct sockaddr_storage"

  4956.     else

  4957.         disable network

  4958.     fi

  4959. fi

  4960. 

  4961. check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"

  4962. check_builtin atomic_compare_exchange "" "int *ptr, *oldval; int newval; __atomic_compare_exchange_n(ptr, oldval, newval, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)"

  4963. check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"

  4964. check_builtin MemoryBarrier windows.h "MemoryBarrier()"

  4965. check_builtin sarestart signal.h "SA_RESTART"

  4966. check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"

  4967. check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"

  4968. check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"

  4969. 

  4970. check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc

  4971. check_func  ${malloc_prefix}memalign            && enable memalign

  4972. check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign

  4973. 

  4974. check_func  access

  4975. check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  4976. check_func  fcntl

  4977. check_func  fork

  4978. check_func  gethrtime

  4979. check_func  getopt

  4980. check_func  getrusage

  4981. check_func  gettimeofday

  4982. check_func  isatty

  4983. check_func  mach_absolute_time

  4984. check_func  mkstemp

  4985. check_func  mmap

  4986. check_func  mprotect

  4987. # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that

  4988. check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  4989. check_func  sched_getaffinity

  4990. check_func  setrlimit

  4991. check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE

  4992. check_func  strerror_r

  4993. check_func  sysconf

  4994. check_func  sysctl

  4995. check_func  usleep

  4996. 

  4997. check_func_headers conio.h kbhit

  4998. check_func_headers io.h setmode

  4999. check_func_headers lzo/lzo1x.h lzo1x_999_compress

  5000. check_func_headers stdlib.h getenv

  5001. 

  5002. check_func_headers windows.h CoTaskMemFree -lole32

  5003. check_func_headers windows.h GetProcessAffinityMask

  5004. check_func_headers windows.h GetProcessTimes

  5005. check_func_headers windows.h GetSystemTimeAsFileTime

  5006. check_func_headers windows.h MapViewOfFile

  5007. check_func_headers windows.h PeekNamedPipe

  5008. check_func_headers windows.h SetConsoleTextAttribute

  5009. check_func_headers windows.h SetConsoleCtrlHandler

  5010. check_func_headers windows.h Sleep

  5011. check_func_headers windows.h VirtualAlloc

  5012. check_struct windows.h "CONDITION_VARIABLE" Ptr

  5013. check_func_headers glob.h glob

  5014. enabled xlib &&

  5015.     check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext

  5016. 

  5017. check_header direct.h

  5018. check_header dlfcn.h

  5019. check_header d3d11.h

  5020. check_header dxva.h

  5021. check_header dxva2api.h -D_WIN32_WINNT=0x0600

  5022. check_header io.h

  5023. check_header libcrystalhd/libcrystalhd_if.h

  5024. check_header mach/mach_time.h

  5025. check_header malloc.h

  5026. check_header net/udplite.h

  5027. check_header poll.h

  5028. check_header sys/mman.h

  5029. check_header sys/param.h

  5030. check_header sys/resource.h

  5031. check_header sys/select.h

  5032. check_header sys/time.h

  5033. check_header sys/un.h

  5034. check_header termios.h

  5035. check_header unistd.h

  5036. check_header valgrind/valgrind.h

  5037. check_header vdpau/vdpau.h

  5038. check_header vdpau/vdpau_x11.h

  5039. check_header VideoDecodeAcceleration/VDADecoder.h

  5040. check_header windows.h

  5041. check_header X11/extensions/XvMClib.h

  5042. check_header asm/types.h

  5043. 

  5044. check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32

  5045. check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32

  5046. check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi

  5047. 

  5048. check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss

  5049. 

  5050. check_type "windows.h dxva.h" "DXVA_PicParams_HEVC"

  5051. check_type "windows.h d3d11.h" "ID3D11VideoDecoder"

  5052. check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0600

  5053. 

  5054. check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"

  5055. 

  5056. if ! disabled w32threads && ! enabled pthreads; then

  5057.     check_func_headers "windows.h process.h" _beginthreadex &&

  5058.         enable w32threads || disable w32threads

  5059. fi

  5060. 

  5061. # check for some common methods of building with pthread support

  5062. # do this before the optional library checks as some of them require pthreads

  5063. if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then

  5064.     enable pthreads

  5065.     if check_func pthread_join -pthread && check_func pthread_create -pthread; then

  5066.         add_cflags -pthread

  5067.         add_extralibs -pthread

  5068.     elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then

  5069.         add_cflags -pthreads

  5070.         add_extralibs -pthreads

  5071.     elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then

  5072.         add_cflags -ldl -pthread

  5073.         add_extralibs -ldl -pthread

  5074.     elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then

  5075.         add_extralibs -lpthreadGC2

  5076.     elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then

  5077.         :

  5078.     elif ! check_func pthread_join && ! check_func pthread_create; then

  5079.         disable pthreads

  5080.     fi

  5081.     check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads

  5082. fi

  5083. 

  5084. 

  5085. if enabled pthreads; then

  5086.   check_func pthread_cancel

  5087. fi

  5088. 

  5089. disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib

  5090. disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib

  5091. disabled  lzma || check_lib2  lzma.h lzma_version_number -llzma || disable lzma

  5092. 

  5093. check_lib math.h sin -lm && LIBM="-lm"

  5094. disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd

  5095. 

  5096. atan2f_args=2

  5097. ldexpf_args=2

  5098. powf_args=2

  5099. 

  5100. for func in $MATH_FUNCS; do

  5101.     eval check_mathfunc $func \${${func}_args:-1}

  5102. done

  5103. 

  5104. # these are off by default, so fail if requested and not available

  5105. enabled avfoundation_indev && { check_header_oc AVFoundation/AVFoundation.h || disable avfoundation_indev; }

  5106. enabled avfoundation_indev && { check_lib2 CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||

  5107.                                 check_lib2 ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }

  5108. enabled avisynth          && { { check_lib2 "windows.h" LoadLibrary; } ||

  5109.                                { check_lib2 "dlfcn.h" dlopen -ldl; } ||

  5110.                                die "ERROR: LoadLibrary/dlopen not found for avisynth"; }

  5111. enabled decklink          && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }

  5112. enabled frei0r            && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }

  5113. enabled gnutls            && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init

  5114. enabled ladspa            && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }

  5115. enabled libiec61883       && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883

  5116. enabled libaacplus        && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus

  5117. enabled libass            && require_pkg_config libass ass/ass.h ass_library_init

  5118. enabled libbluray         && require_pkg_config libbluray libbluray/bluray.h bd_open

  5119. enabled libbs2b           && require_pkg_config libbs2b bs2b.h bs2b_open

  5120. enabled libcelt           && require libcelt celt/celt.h celt_decode -lcelt0 &&

  5121.                              { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||

  5122.                                die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }

  5123. enabled libcaca           && require_pkg_config caca caca.h caca_create_canvas

  5124. enabled libdcadec         && require_pkg_config dcadec libdcadec/dca_context.h dcadec_context_create

  5125. enabled libfaac           && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac

  5126. enabled libfdk_aac        && { use_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||

  5127.                                { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&

  5128.                                  warn "using libfdk without pkg-config"; } }

  5129. 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"

  5130. enabled libflite          && require2 libflite "flite/flite.h" flite_init $flite_libs

  5131. enabled fontconfig        && enable libfontconfig

  5132. enabled libfontconfig     && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit

  5133. enabled libfreetype       && require_libfreetype

  5134. enabled libfribidi        && require_pkg_config fribidi fribidi.h fribidi_version_info

  5135. enabled libgme            && require  libgme gme/gme.h gme_new_emu -lgme -lstdc++

  5136. enabled libgsm            && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do

  5137.                                    check_lib "${gsm_hdr}" gsm_create -lgsm && break;

  5138.                                done || die "ERROR: libgsm not found"; }

  5139. enabled libilbc           && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc

  5140. enabled libmfx            && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit

  5141. enabled libmodplug        && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load

  5142. enabled libmp3lame        && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame

  5143. enabled libnut            && require libnut libnut.h nut_demuxer_init -lnut

  5144. enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb

  5145. enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb

  5146. enabled libopencv         && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader

  5147. enabled libopenh264       && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion

  5148. enabled libopenjpeg       && { check_lib openjpeg.h opj_version -lopenmj2 -DOPJ_STATIC ||

  5149.                                check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  5150.                                check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  5151.                                die "ERROR: libopenjpeg not found"; }

  5152. enabled libopus           && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create

  5153. enabled libpulse          && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new

  5154. enabled libquvi           && require_pkg_config libquvi quvi/quvi.h quvi_init

  5155. enabled librtmp           && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket

  5156. enabled libschroedinger   && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init

  5157. enabled libshine          && require_pkg_config shine shine/layer3.h shine_encode_buffer

  5158. enabled libsmbclient      && { use_pkg_config smbclient libsmbclient.h smbc_init ||

  5159.                                require smbclient libsmbclient.h smbc_init -lsmbclient; }

  5160. enabled libsnappy         && require snappy snappy-c.h snappy_compress -lsnappy

  5161. enabled libsoxr           && require libsoxr soxr.h soxr_create -lsoxr

  5162. enabled libssh            && require_pkg_config libssh libssh/sftp.h sftp_init

  5163. enabled libspeex          && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex

  5164. enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h

  5165.     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h

  5166.     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static

  5167. enabled libtheora         && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg

  5168. enabled libtwolame        && require libtwolame twolame.h twolame_init -ltwolame &&

  5169.                              { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||

  5170.                                die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }

  5171. enabled libutvideo        && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++

  5172. enabled libv4l2           && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl

  5173. enabled libvidstab        && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit

  5174. enabled libvo_aacenc      && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc

  5175. enabled libvo_amrwbenc    && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc

  5176. enabled libvorbis         && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg

  5177. 

  5178. enabled libvpx            && {

  5179.     enabled libvpx_vp8_decoder && {

  5180.         use_pkg_config "vpx >= 0.9.1" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||

  5181.             check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||

  5182.                 die "ERROR: libvpx decoder version must be >=0.9.1";

  5183.     }

  5184.     enabled libvpx_vp8_encoder && {

  5185.         use_pkg_config "vpx >= 0.9.7" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||

  5186.             check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||

  5187.                 die "ERROR: libvpx encoder version must be >=0.9.7";

  5188.     }

  5189.     enabled libvpx_vp9_decoder && {

  5190.         use_pkg_config "vpx >= 1.3.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||

  5191.             check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx ||

  5192.                 disable libvpx_vp9_decoder;

  5193.     }

  5194.     enabled libvpx_vp9_encoder && {

  5195.         use_pkg_config "vpx >= 1.3.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||

  5196.             check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx ||

  5197.                 disable libvpx_vp9_encoder;

  5198.     }

  5199.     if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then

  5200.         die "libvpx enabled but no supported decoders found"

  5201.     fi

  5202. }

  5203. 

  5204. enabled libwavpack        && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput  -lwavpack

  5205. enabled libwebp           && {

  5206.     enabled libwebp_encoder      && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion

  5207.     enabled libwebp_anim_encoder && { use_pkg_config "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit || disable libwebp_anim_encoder; } }

  5208. enabled libx264           && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||

  5209.                                { require libx264 x264.h x264_encoder_encode -lx264 &&

  5210.                                  warn "using libx264 without pkg-config"; } } &&

  5211.                              { check_cpp_condition x264.h "X264_BUILD >= 118" ||

  5212.                                die "ERROR: libx264 must be installed and version must be >= 0.118."; }

  5213. enabled libx265           && require_pkg_config x265 x265.h x265_api_get &&

  5214.                              { check_cpp_condition x265.h "X265_BUILD >= 57" ||

  5215.                                die "ERROR: libx265 version must be >= 57."; }

  5216. enabled libxavs           && require libxavs xavs.h xavs_encoder_encode -lxavs

  5217. enabled libxvid           && require libxvid xvid.h xvid_global -lxvidcore

  5218. enabled libzmq            && require_pkg_config libzmq zmq.h zmq_ctx_new

  5219. enabled libzvbi           && require libzvbi libzvbi.h vbi_decoder_new -lzvbi

  5220. enabled mmal              && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||

  5221.                                 { ! enabled cross_compile && {

  5222.                                     add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;

  5223.                                     add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;

  5224.                                     check_lib interface/mmal/mmal.h mmal_port_connect ; }

  5225.                                 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||

  5226.                                die "ERROR: mmal not found"; }

  5227. enabled nvenc             && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; } &&

  5228.                              { check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 5" ||

  5229.                                die "ERROR: NVENC API version 4 or older is not supported"; } &&

  5230.                              { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }

  5231. enabled openal            && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do

  5232.                                check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||

  5233.                                die "ERROR: openal not found"; } &&

  5234.                              { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||

  5235.                                die "ERROR: openal must be installed and version must be 1.1 or compatible"; }

  5236. enabled opencl            && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||

  5237.                                check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||

  5238.                                die "ERROR: opencl not found"; } &&

  5239.                              { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||

  5240.                                check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||

  5241.                                die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }

  5242. enabled opengl            && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||

  5243.                                check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||

  5244.                                check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||

  5245.                                check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||

  5246.                                die "ERROR: opengl not found."

  5247.                              }

  5248. enabled openssl           && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||

  5249.                                check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||

  5250.                                check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||

  5251.                                die "ERROR: openssl not found"; }

  5252. enabled qtkit_indev      && { check_header_oc QTKit/QTKit.h || disable qtkit_indev; }

  5253. 

  5254. if enabled gnutls; then

  5255.     { check_lib2 gmp.h mpz_export -lgmp && enable gmp; } ||

  5256.     { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }

  5257. fi

  5258. 

  5259. # libdc1394 check

  5260. if enabled libdc1394; then

  5261.     { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&

  5262.         enable libdc1394_2; } ||

  5263.     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&

  5264.         enable libdc1394_1; } ||

  5265.     die "ERROR: No version of libdc1394 found "

  5266. fi

  5267. if ! disabled sdl; then

  5268.     SDL_CONFIG="${cross_prefix}sdl-config"

  5269.     if check_pkg_config sdl SDL_events.h SDL_PollEvent; then

  5270.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5271.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5272.         enable sdl

  5273.     else

  5274.         if "${SDL_CONFIG}" --version > /dev/null 2>&1; then

  5275.             sdl_cflags=$("${SDL_CONFIG}" --cflags)

  5276.             sdl_libs=$("${SDL_CONFIG}" --libs)

  5277.             check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&

  5278.             check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5279.             check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5280.             enable sdl

  5281.         elif enabled sdl ; then

  5282.             die "ERROR: SDL not found"

  5283.         else

  5284.             disable sdl

  5285.         fi

  5286.     fi

  5287. fi

  5288. enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs

  5289. 

  5290. disabled securetransport || { check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&

  5291.     check_lib2 "Security/SecureTransport.h Security/Security.h" "SSLCreateContext SecItemImport" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&

  5292.     enable securetransport; }

  5293. 

  5294. makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo

  5295. enabled makeinfo \

  5296.     && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \

  5297.     && enable makeinfo_html || disable makeinfo_html

  5298. disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html

  5299. perl -v            > /dev/null 2>&1 && enable perl      || disable perl

  5300. pod2man --help     > /dev/null 2>&1 && enable pod2man   || disable pod2man

  5301. rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout

  5302. 

  5303. check_header linux/fb.h

  5304. check_header linux/videodev.h

  5305. check_header linux/videodev2.h

  5306. check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5307. 

  5308. check_header sys/videoio.h

  5309. check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5310. 

  5311. check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"

  5312. # check that WM_CAP_DRIVER_CONNECT is defined to the proper value

  5313. # w32api 3.12 had it defined wrong

  5314. check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines

  5315. 

  5316. check_type "dshow.h" IBaseFilter

  5317. 

  5318. # check for ioctl_meteor.h, ioctl_bt848.h and alternatives

  5319. { check_header dev/bktr/ioctl_meteor.h &&

  5320.   check_header dev/bktr/ioctl_bt848.h; } ||

  5321. { check_header machine/ioctl_meteor.h &&

  5322.   check_header machine/ioctl_bt848.h; } ||

  5323. { check_header dev/video/meteor/ioctl_meteor.h &&

  5324.   check_header dev/video/bktr/ioctl_bt848.h; } ||

  5325. check_header dev/ic/bt8xx.h

  5326. 

  5327. check_header sndio.h

  5328. if check_struct sys/soundcard.h audio_buf_info bytes; then

  5329.     enable_safe sys/soundcard.h

  5330. else

  5331.     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h

  5332.     #include <sys/soundcard.h>

  5333.     audio_buf_info abc;

  5334. EOF

  5335. fi

  5336. check_header soundcard.h

  5337. 

  5338. enabled_any alsa_indev alsa_outdev &&

  5339.     check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound

  5340. 

  5341. enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&

  5342.     check_func jack_port_get_latency_range -ljack

  5343. 

  5344. enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio

  5345. 

  5346. if enabled libcdio; then

  5347.     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5348.     check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5349.     die "ERROR: No usable libcdio/cdparanoia found"

  5350. fi

  5351. 

  5352. enabled xlib &&

  5353.     check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib

  5354. 

  5355. if ! disabled libxcb; then

  5356.     check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {

  5357.         enabled libxcb && die "ERROR: libxcb >= 1.4 not found";

  5358.     } && disable x11grab && enable libxcb

  5359. 

  5360. if enabled libxcb; then

  5361.     disabled libxcb_shm || {

  5362.         check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {

  5363.             enabled libxcb_shm && die "ERROR: libxcb_shm not found";

  5364.         } && check_header sys/shm.h && enable libxcb_shm; }

  5365. 

  5366.     disabled libxcb_xfixes || {

  5367.         check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {

  5368.             enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";

  5369.         } && enable libxcb_xfixes; }

  5370. 

  5371.     disabled libxcb_shape || {

  5372.         check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {

  5373.             enabled libxcb_shape && die "ERROR: libxcb_shape not found";

  5374.         } && enable libxcb_shape; }

  5375. 

  5376.     add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags

  5377.     add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs

  5378. fi

  5379. fi

  5380. 

  5381. if enabled x11grab; then

  5382.     enabled xlib || die "ERROR: Xlib not found"

  5383.     require Xext X11/extensions/XShm.h XShmCreateImage -lXext

  5384.     require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes

  5385. fi

  5386. 

  5387. check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"

  5388. 

  5389. enabled dxva2api_h &&

  5390.     check_cc <<EOF && enable dxva2api_cobj

  5391. #define _WIN32_WINNT 0x0600

  5392. #define COBJMACROS

  5393. #include <windows.h>

  5394. #include <d3d9.h>

  5395. #include <dxva2api.h>

  5396. int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }

  5397. EOF

  5398. 

  5399. enabled vaapi &&

  5400.     check_lib va/va.h vaInitialize -lva ||

  5401.     disable vaapi

  5402. 

  5403. enabled vaapi && enabled xlib &&

  5404.     check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&

  5405.     enable vaapi_x11

  5406. 

  5407. enabled vdpau &&

  5408.     check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||

  5409.     disable vdpau

  5410. 

  5411. enabled vdpau && enabled xlib &&

  5412.     check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&

  5413.     prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&

  5414.     enable vdpau_x11

  5415. 

  5416. # Funny iconv installations are not unusual, so check it after all flags have been set

  5417. disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv

  5418. 

  5419. enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"

  5420. 

  5421. # add some useful compiler flags if supported

  5422. check_cflags -Wdeclaration-after-statement

  5423. check_cflags -Wall

  5424. check_cflags -Wdisabled-optimization

  5425. check_cflags -Wpointer-arith

  5426. check_cflags -Wredundant-decls

  5427. check_cflags -Wwrite-strings

  5428. check_cflags -Wtype-limits

  5429. check_cflags -Wundef

  5430. check_cflags -Wmissing-prototypes

  5431. check_cflags -Wno-pointer-to-int-cast

  5432. check_cflags -Wstrict-prototypes

  5433. check_cflags -Wempty-body

  5434. enabled extra_warnings && check_cflags -Winline

  5435. 

  5436. check_disable_warning(){

  5437.     warning_flag=-W${1#-Wno-}

  5438.     test_cflags $warning_flag && add_cflags $1

  5439. }

  5440. 

  5441. check_disable_warning -Wno-parentheses

  5442. check_disable_warning -Wno-switch

  5443. check_disable_warning -Wno-format-zero-length

  5444. check_disable_warning -Wno-pointer-sign

  5445. 

  5446. # add some linker flags

  5447. check_ldflags -Wl,--warn-common

  5448. check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample

  5449. enabled rpath && add_ldexeflags -Wl,-rpath,$libdir

  5450. test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic

  5451. 

  5452. # add some strip flags

  5453. # -wN '..@*' is more selective than -x, but not available everywhere.

  5454. check_stripflags -wN \'..@*\' || check_stripflags -x

  5455. 

  5456. enabled neon_clobber_test &&

  5457.     check_ldflags -Wl,--wrap,avcodec_open2              \

  5458.                   -Wl,--wrap,avcodec_decode_audio4      \

  5459.                   -Wl,--wrap,avcodec_decode_video2      \

  5460.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  5461.                   -Wl,--wrap,avcodec_encode_audio2      \

  5462.                   -Wl,--wrap,avcodec_encode_video2      \

  5463.                   -Wl,--wrap,avcodec_encode_subtitle    \

  5464.                   -Wl,--wrap,swr_convert                \

  5465.                   -Wl,--wrap,avresample_convert ||

  5466.     disable neon_clobber_test

  5467. 

  5468. enabled xmm_clobber_test &&

  5469.     check_ldflags -Wl,--wrap,avcodec_open2              \

  5470.                   -Wl,--wrap,avcodec_decode_audio4      \

  5471.                   -Wl,--wrap,avcodec_decode_video2      \

  5472.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  5473.                   -Wl,--wrap,avcodec_encode_audio2      \

  5474.                   -Wl,--wrap,avcodec_encode_video       \

  5475.                   -Wl,--wrap,avcodec_encode_video2      \

  5476.                   -Wl,--wrap,avcodec_encode_subtitle    \

  5477.                   -Wl,--wrap,swr_convert                \

  5478.                   -Wl,--wrap,avresample_convert         \

  5479.                   -Wl,--wrap,sws_scale ||

  5480.     disable xmm_clobber_test

  5481. 

  5482. echo "X{};" > $TMPV

  5483. if test_ldflags -Wl,--version-script,$TMPV; then

  5484.     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'

  5485.     check_cc <<EOF && enable symver_asm_label

  5486. void ff_foo(void) __asm__ ("av_foo@VERSION");

  5487. void ff_foo(void) { ${inline_asm+__asm__($quotes);} }

  5488. EOF

  5489.     check_cc <<EOF && enable symver_gnu_asm

  5490. __asm__(".symver ff_foo,av_foo@VERSION");

  5491. void ff_foo(void) {}

  5492. EOF

  5493. fi

  5494. 

  5495. if [ -z "$optflags" ]; then

  5496.     if enabled small; then

  5497.         optflags=$cflags_size

  5498.     elif enabled optimizations; then

  5499.         optflags=$cflags_speed

  5500.     else

  5501.         optflags=$cflags_noopt

  5502.     fi

  5503. fi

  5504. 

  5505. check_optflags(){

  5506.     check_cflags "$@"

  5507.     enabled lto && check_ldflags "$@"

  5508. }

  5509. 

  5510. 

  5511. if enabled lto; then

  5512.     test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"

  5513.     check_cflags  -flto

  5514.     check_ldflags -flto $cpuflags

  5515.     disable inline_asm_direct_symbol_refs

  5516. fi

  5517. 

  5518. check_optflags $optflags

  5519. check_optflags -fno-math-errno

  5520. check_optflags -fno-signed-zeros

  5521. 

  5522. enabled ftrapv && check_cflags -ftrapv

  5523. 

  5524. check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"

  5525. int x;

  5526. EOF

  5527. 

  5528. 

  5529. if enabled icc; then

  5530.     # Just warnings, no remarks

  5531.     check_cflags -w1

  5532.     # -wd: Disable following warnings

  5533.     # 144, 167, 556: -Wno-pointer-sign

  5534.     # 188: enumerated type mixed with another type

  5535.     # 1292: attribute "foo" ignored

  5536.     # 1419: external declaration in primary source file

  5537.     # 10006: ignoring unknown option -fno-signed-zeros

  5538.     # 10148: ignoring unknown option -Wno-parentheses

  5539.     # 10156: ignoring option '-W'; no argument required

  5540.     # 13200: No EMMS instruction before call to function

  5541.     # 13203: No EMMS instruction before return from function

  5542.     check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203

  5543.     # 11030: Warning unknown option --as-needed

  5544.     # 10156: ignoring option '-export'; no argument required

  5545.     check_ldflags -wd10156,11030

  5546.     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test

  5547.     enable ebp_available

  5548.     # The test above does not test linking

  5549.     enabled lto && disable symver_asm_label

  5550.     if enabled x86_32; then

  5551.         icc_version=$($cc -dumpversion)

  5552.         test ${icc_version%%.*} -ge 11 &&

  5553.             check_cflags -falign-stack=maintain-16-byte ||

  5554.             disable aligned_stack

  5555.     fi

  5556. elif enabled ccc; then

  5557.     # disable some annoying warnings

  5558.     add_cflags -msg_disable bitnotint

  5559.     add_cflags -msg_disable mixfuncvoid

  5560.     add_cflags -msg_disable nonstandcast

  5561.     add_cflags -msg_disable unsupieee

  5562. elif enabled gcc; then

  5563.     check_optflags -fno-tree-vectorize

  5564.     check_cflags -Werror=format-security

  5565.     check_cflags -Werror=implicit-function-declaration

  5566.     check_cflags -Werror=missing-prototypes

  5567.     check_cflags -Werror=return-type

  5568.     check_cflags -Werror=vla

  5569.     check_cflags -Wformat

  5570.     check_cflags -fdiagnostics-color=auto

  5571.     enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized

  5572. elif enabled llvm_gcc; then

  5573.     check_cflags -mllvm -stack-alignment=16

  5574. elif enabled clang; then

  5575.     check_cflags -mllvm -stack-alignment=16

  5576.     check_cflags -Qunused-arguments

  5577.     check_cflags -Werror=implicit-function-declaration

  5578.     check_cflags -Werror=missing-prototypes

  5579.     check_cflags -Werror=return-type

  5580. elif enabled cparser; then

  5581.     add_cflags -Wno-missing-variable-declarations

  5582.     add_cflags -Wno-empty-statement

  5583. elif enabled armcc; then

  5584.     add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat

  5585.     add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir

  5586.     # 2523: use of inline assembly is deprecated

  5587.     add_cflags -W${armcc_opt},--diag_suppress=2523

  5588.     add_cflags -W${armcc_opt},--diag_suppress=1207

  5589.     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition

  5590.     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat

  5591.     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign

  5592.     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign

  5593. elif enabled tms470; then

  5594.     add_cflags -pds=824 -pds=837

  5595.     disable inline_asm

  5596. elif enabled pathscale; then

  5597.     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF

  5598. elif enabled_any msvc icl; then

  5599.     enabled x86_32 && disable aligned_stack

  5600.     enabled_all x86_32 debug && add_cflags -Oy-

  5601.     enabled debug && add_ldflags -debug

  5602.     enable pragma_deprecated

  5603.     if enabled icl; then

  5604.         # -Qansi-alias is basically -fstrict-aliasing, but does not work

  5605.         # (correctly) on icl 13.x.

  5606.         check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&

  5607.             add_cflags -Qansi-alias

  5608.         # Some inline asm is not compilable in debug

  5609.         if enabled debug; then

  5610.             disable ebp_available

  5611.             disable ebx_available

  5612.         fi

  5613.     fi

  5614.     # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.

  5615.     check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2

  5616. fi

  5617. 

  5618. case $as_type in

  5619.     clang)

  5620.         add_asflags -Qunused-arguments

  5621.     ;;

  5622. esac

  5623. 

  5624. case $ld_type in

  5625.     clang)

  5626.         check_ldflags -Qunused-arguments

  5627.     ;;

  5628. esac

  5629. 

  5630. case $target_os in

  5631.     osf1)

  5632.         enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'

  5633.     ;;

  5634.     plan9)

  5635.         add_cppflags -Dmain=plan9_main

  5636.     ;;

  5637. esac

  5638. 

  5639. enable frame_thread_encoder

  5640. 

  5641. enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }

  5642. 

  5643. check_deps $CONFIG_LIST       \

  5644.            $CONFIG_EXTRA      \

  5645.            $HAVE_LIST         \

  5646.            $ALL_COMPONENTS    \

  5647. 

  5648. 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"

  5649. 

  5650. 

  5651. if test $target_os = "haiku"; then

  5652.     disable memalign

  5653.     disable posix_memalign

  5654. fi

  5655. 

  5656. enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&

  5657.     prepend ffmpeg_libs $($ldflags_filter "-lole32" "-luser32") &&

  5658.     enable dxva2_lib

  5659. 

  5660. ! enabled_any memalign posix_memalign aligned_malloc &&

  5661.     enabled simd_align_16 && enable memalign_hack

  5662. 

  5663. # add_dep lib dep

  5664. # -> enable ${lib}_deps_${dep}

  5665. # -> add $dep to ${lib}_deps only once

  5666. add_dep() {

  5667.     lib=$1

  5668.     dep=$2

  5669.     enabled "${lib}_deps_${dep}" && return 0

  5670.     enable  "${lib}_deps_${dep}"

  5671.     prepend "${lib}_deps" $dep

  5672. }

  5673. 

  5674. # merge deps lib components

  5675. # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*

  5676. merge_deps() {

  5677.     lib=$1

  5678.     shift

  5679.     for comp in $*; do

  5680.         enabled $comp || continue

  5681.         eval "dep=\"\$${comp}_deps\""

  5682.         for d in $dep; do

  5683.             add_dep $lib $d

  5684.         done

  5685.     done

  5686. }

  5687. 

  5688. merge_deps libavfilter $FILTER_LIST

  5689. 

  5690. map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST

  5691. 

  5692. for thread in $THREADS_LIST; do

  5693.     if enabled $thread; then

  5694.         test -n "$thread_type" &&

  5695.             die "ERROR: Only one thread type must be selected." ||

  5696.             thread_type="$thread"

  5697.     fi

  5698. done

  5699. 

  5700. enabled zlib && add_cppflags -DZLIB_CONST

  5701. 

  5702. # conditional library dependencies, in linking order

  5703. enabled amovie_filter       && prepend avfilter_deps "avformat avcodec"

  5704. enabled aresample_filter    && prepend avfilter_deps "swresample"

  5705. enabled asyncts_filter      && prepend avfilter_deps "avresample"

  5706. enabled atempo_filter       && prepend avfilter_deps "avcodec"

  5707. enabled cover_rect_filter   && prepend avfilter_deps "avformat avcodec"

  5708. enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"

  5709. enabled elbg_filter         && prepend avfilter_deps "avcodec"

  5710. enabled fftfilt_filter      && prepend avfilter_deps "avcodec"

  5711. enabled find_rect_filter    && prepend avfilter_deps "avformat avcodec"

  5712. enabled mcdeint_filter      && prepend avfilter_deps "avcodec"

  5713. enabled movie_filter    && prepend avfilter_deps "avformat avcodec"

  5714. enabled pan_filter          && prepend avfilter_deps "swresample"

  5715. enabled pp_filter           && prepend avfilter_deps "postproc"

  5716. enabled removelogo_filter   && prepend avfilter_deps "avformat avcodec swscale"

  5717. enabled resample_filter && prepend avfilter_deps "avresample"

  5718. enabled sab_filter          && prepend avfilter_deps "swscale"

  5719. enabled scale_filter    && prepend avfilter_deps "swscale"

  5720. enabled showspectrum_filter && prepend avfilter_deps "avcodec"

  5721. enabled smartblur_filter    && prepend avfilter_deps "swscale"

  5722. enabled subtitles_filter    && prepend avfilter_deps "avformat avcodec"

  5723. enabled uspp_filter         && prepend avfilter_deps "avcodec"

  5724. 

  5725. enabled lavfi_indev         && prepend avdevice_deps "avfilter"

  5726. 

  5727. enabled opus_decoder    && prepend avcodec_deps "swresample"

  5728. 

  5729. expand_deps(){

  5730.     lib_deps=${1}_deps

  5731.     eval "deps=\$$lib_deps"

  5732.     append $lib_deps $(map 'eval echo \$${v}_deps' $deps)

  5733.     unique $lib_deps

  5734. }

  5735. 

  5736. #we have to remove gpl from the deps here as some code assumes all lib deps are libs

  5737. postproc_deps="$(filter_out 'gpl' $postproc_deps)"

  5738. 

  5739. map 'expand_deps $v' $LIBRARY_LIST

  5740. 

  5741. echo "install prefix            $prefix"

  5742. echo "source path               $source_path"

  5743. echo "C compiler                $cc"

  5744. echo "C library                 $libc_type"

  5745. if test "$host_cc" != "$cc"; then

  5746.     echo "host C compiler           $host_cc"

  5747.     echo "host C library            $host_libc_type"

  5748. fi

  5749. echo "ARCH                      $arch ($cpu)"

  5750. if test "$build_suffix" != ""; then

  5751.     echo "build suffix              $build_suffix"

  5752. fi

  5753. if test "$progs_suffix" != ""; then

  5754.     echo "progs suffix              $progs_suffix"

  5755. fi

  5756. if test "$extra_version" != ""; then

  5757.     echo "version string suffix     $extra_version"

  5758. fi

  5759. echo "big-endian                ${bigendian-no}"

  5760. echo "runtime cpu detection     ${runtime_cpudetect-no}"

  5761. if enabled x86; then

  5762.     echo "${yasmexe}                      ${yasm-no}"

  5763.     echo "MMX enabled               ${mmx-no}"

  5764.     echo "MMXEXT enabled            ${mmxext-no}"

  5765.     echo "3DNow! enabled            ${amd3dnow-no}"

  5766.     echo "3DNow! extended enabled   ${amd3dnowext-no}"

  5767.     echo "SSE enabled               ${sse-no}"

  5768.     echo "SSSE3 enabled             ${ssse3-no}"

  5769.     echo "AVX enabled               ${avx-no}"

  5770.     echo "XOP enabled               ${xop-no}"

  5771.     echo "FMA3 enabled              ${fma3-no}"

  5772.     echo "FMA4 enabled              ${fma4-no}"

  5773.     echo "i686 features enabled     ${i686-no}"

  5774.     echo "CMOV is fast              ${fast_cmov-no}"

  5775.     echo "EBX available             ${ebx_available-no}"

  5776.     echo "EBP available             ${ebp_available-no}"

  5777. fi

  5778. if enabled aarch64; then

  5779.     echo "NEON enabled              ${neon-no}"

  5780.     echo "VFP enabled               ${vfp-no}"

  5781. fi

  5782. if enabled arm; then

  5783.     echo "ARMv5TE enabled           ${armv5te-no}"

  5784.     echo "ARMv6 enabled             ${armv6-no}"

  5785.     echo "ARMv6T2 enabled           ${armv6t2-no}"

  5786.     echo "VFP enabled               ${vfp-no}"

  5787.     echo "NEON enabled              ${neon-no}"

  5788.     echo "THUMB enabled             ${thumb-no}"

  5789. fi

  5790. if enabled mips; then

  5791.     echo "MIPS FPU enabled          ${mipsfpu-no}"

  5792.     echo "MIPS32R5 enabled          ${mips32r5-no}"

  5793.     echo "MIPS64R6 enabled          ${mips64r6-no}"

  5794.     echo "MIPS DSP R1 enabled       ${mipsdspr1-no}"

  5795.     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"

  5796.     echo "MIPS MSA enabled          ${msa-no}"

  5797.     echo "LOONGSON MMI enabled      ${mmi-no}"

  5798. fi

  5799. if enabled ppc; then

  5800.     echo "AltiVec enabled           ${altivec-no}"

  5801.     echo "VSX enabled               ${vsx-no}"

  5802.     echo "POWER8 enabled            ${power8-no}"

  5803.     echo "PPC 4xx optimizations     ${ppc4xx-no}"

  5804.     echo "dcbzl available           ${dcbzl-no}"

  5805. fi

  5806. echo "debug symbols             ${debug-no}"

  5807. echo "strip symbols             ${stripping-no}"

  5808. echo "optimize for size         ${small-no}"

  5809. echo "optimizations             ${optimizations-no}"

  5810. echo "static                    ${static-no}"

  5811. echo "shared                    ${shared-no}"

  5812. echo "postprocessing support    ${postproc-no}"

  5813. echo "new filter support        ${avfilter-no}"

  5814. echo "network support           ${network-no}"

  5815. echo "threading support         ${thread_type-no}"

  5816. echo "safe bitstream reader     ${safe_bitstream_reader-no}"

  5817. echo "SDL support               ${sdl-no}"

  5818. echo "opencl enabled            ${opencl-no}"

  5819. echo "texi2html enabled         ${texi2html-no}"

  5820. echo "perl enabled              ${perl-no}"

  5821. echo "pod2man enabled           ${pod2man-no}"

  5822. echo "makeinfo enabled          ${makeinfo-no}"

  5823. echo "makeinfo supports HTML    ${makeinfo_html-no}"

  5824. test -n "$random_seed" &&

  5825.     echo "random seed               ${random_seed}"

  5826. echo

  5827. 

  5828. echo "External libraries:"

  5829. print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns

  5830. echo

  5831. 

  5832. for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do

  5833.     echo "Enabled ${type}s:"

  5834.     eval list=\$$(toupper $type)_LIST

  5835.     print_enabled '_*' $list | print_3_columns

  5836.     echo

  5837. done

  5838. 

  5839. license="LGPL version 2.1 or later"

  5840. if enabled nonfree; then

  5841.     license="nonfree and unredistributable"

  5842. elif enabled gplv3; then

  5843.     license="GPL version 3 or later"

  5844. elif enabled lgplv3; then

  5845.     license="LGPL version 3 or later"

  5846. elif enabled gpl; then

  5847.     license="GPL version 2 or later"

  5848. fi

  5849. 

  5850. echo "License: $license"

  5851. 

  5852. echo "Creating config.mak, config.h, and doc/config.texi..."

  5853. 

  5854. test -e Makefile || echo "include $source_path/Makefile" > Makefile

  5855. 

  5856. enabled stripping || strip="echo skipping strip"

  5857. 

  5858. config_files="$TMPH config.mak doc/config.texi"

  5859. 

  5860. cat > config.mak <<EOF

  5861. # Automatically generated by configure - do not modify!

  5862. ifndef FFMPEG_CONFIG_MAK

  5863. FFMPEG_CONFIG_MAK=1

  5864. FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION

  5865. prefix=$prefix

  5866. LIBDIR=\$(DESTDIR)$libdir

  5867. SHLIBDIR=\$(DESTDIR)$shlibdir

  5868. INCDIR=\$(DESTDIR)$incdir

  5869. BINDIR=\$(DESTDIR)$bindir

  5870. DATADIR=\$(DESTDIR)$datadir

  5871. DOCDIR=\$(DESTDIR)$docdir

  5872. MANDIR=\$(DESTDIR)$mandir

  5873. PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir

  5874. SRC_PATH=$source_path

  5875. ifndef MAIN_MAKEFILE

  5876. SRC_PATH:=\$(SRC_PATH:.%=..%)

  5877. endif

  5878. CC_IDENT=$cc_ident

  5879. ARCH=$arch

  5880. INTRINSICS=$intrinsics

  5881. CC=$cc

  5882. CXX=$cxx

  5883. AS=$as

  5884. LD=$ld

  5885. DEPCC=$dep_cc

  5886. DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)

  5887. DEPAS=$as

  5888. DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)

  5889. YASM=$yasmexe

  5890. DEPYASM=$yasmexe

  5891. AR=$ar

  5892. ARFLAGS=$arflags

  5893. AR_O=$ar_o

  5894. RANLIB=$ranlib

  5895. STRIP=$strip

  5896. CP=cp -p

  5897. LN_S=$ln_s

  5898. CPPFLAGS=$CPPFLAGS

  5899. CFLAGS=$CFLAGS

  5900. CXXFLAGS=$CXXFLAGS

  5901. ASFLAGS=$ASFLAGS

  5902. AS_C=$AS_C

  5903. AS_O=$AS_O

  5904. CC_C=$CC_C

  5905. CC_E=$CC_E

  5906. CC_O=$CC_O

  5907. CXX_C=$CXX_C

  5908. CXX_O=$CXX_O

  5909. LD_O=$LD_O

  5910. LD_LIB=$LD_LIB

  5911. LD_PATH=$LD_PATH

  5912. DLLTOOL=$dlltool

  5913. WINDRES=$windres

  5914. DEPWINDRES=$dep_cc

  5915. DOXYGEN=$doxygen

  5916. LDFLAGS=$LDFLAGS

  5917. LDEXEFLAGS=$LDEXEFLAGS

  5918. SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))

  5919. ASMSTRIPFLAGS=$ASMSTRIPFLAGS

  5920. YASMFLAGS=$YASMFLAGS

  5921. BUILDSUF=$build_suffix

  5922. PROGSSUF=$progs_suffix

  5923. FULLNAME=$FULLNAME

  5924. LIBPREF=$LIBPREF

  5925. LIBSUF=$LIBSUF

  5926. LIBNAME=$LIBNAME

  5927. SLIBPREF=$SLIBPREF

  5928. SLIBSUF=$SLIBSUF

  5929. EXESUF=$EXESUF

  5930. EXTRA_VERSION=$extra_version

  5931. CCDEP=$CCDEP

  5932. CXXDEP=$CXXDEP

  5933. CCDEP_FLAGS=$CCDEP_FLAGS

  5934. ASDEP=$ASDEP

  5935. ASDEP_FLAGS=$ASDEP_FLAGS

  5936. CC_DEPFLAGS=$CC_DEPFLAGS

  5937. AS_DEPFLAGS=$AS_DEPFLAGS

  5938. HOSTCC=$host_cc

  5939. HOSTLD=$host_ld

  5940. HOSTCFLAGS=$host_cflags

  5941. HOSTCPPFLAGS=$host_cppflags

  5942. HOSTEXESUF=$HOSTEXESUF

  5943. HOSTLDFLAGS=$host_ldflags

  5944. HOSTLIBS=$host_libs

  5945. DEPHOSTCC=$host_cc

  5946. DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)

  5947. HOSTCCDEP=$HOSTCCDEP

  5948. HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS

  5949. HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS

  5950. HOSTCC_C=$HOSTCC_C

  5951. HOSTCC_O=$HOSTCC_O

  5952. HOSTLD_O=$HOSTLD_O

  5953. TARGET_EXEC=$target_exec $target_exec_args

  5954. TARGET_PATH=$target_path

  5955. TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}

  5956. CFLAGS-ffplay=$sdl_cflags

  5957. ZLIB=$($ldflags_filter -lz)

  5958. LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD

  5959. EXTRALIBS=$extralibs

  5960. COMPAT_OBJS=$compat_objs

  5961. EXEOBJS=$exeobjs

  5962. INSTALL=$install

  5963. LIBTARGET=${LIBTARGET}

  5964. SLIBNAME=${SLIBNAME}

  5965. SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}

  5966. SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}

  5967. SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}

  5968. SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}

  5969. SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}

  5970. SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}

  5971. SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}

  5972. SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}

  5973. SAMPLES:=${samples:-\$(FATE_SAMPLES)}

  5974. NOREDZONE_FLAGS=$noredzone_flags

  5975. EOF

  5976. 

  5977. get_version(){

  5978.     lcname=lib${1}

  5979.     name=$(toupper $lcname)

  5980.     file=$source_path/$lcname/version.h

  5981.     eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")

  5982.     enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))

  5983.     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO

  5984.     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak

  5985.     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak

  5986.     eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak

  5987. }

  5988. 

  5989. map 'get_version $v' $LIBRARY_LIST

  5990. 

  5991. map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST

  5992. 

  5993. print_program_libs(){

  5994.     eval "program_libs=\$${1}_libs"

  5995.     eval echo "LIBS-${1}=${program_libs}" >> config.mak

  5996. }

  5997. 

  5998. map 'print_program_libs $v' $PROGRAM_LIST

  5999. 

  6000. cat > $TMPH <<EOF

  6001. /* Automatically generated by configure - do not modify! */

  6002. #ifndef FFMPEG_CONFIG_H

  6003. #define FFMPEG_CONFIG_H

  6004. #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"

  6005. #define FFMPEG_LICENSE "$(c_escape $license)"

  6006. #define CONFIG_THIS_YEAR 2015

  6007. #define FFMPEG_DATADIR "$(eval c_escape $datadir)"

  6008. #define AVCONV_DATADIR "$(eval c_escape $datadir)"

  6009. #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"

  6010. #define av_restrict $_restrict

  6011. #define EXTERN_PREFIX "${extern_prefix}"

  6012. #define EXTERN_ASM ${extern_prefix}

  6013. #define BUILDSUF "$build_suffix"

  6014. #define SLIBSUF "$SLIBSUF"

  6015. #define HAVE_MMX2 HAVE_MMXEXT

  6016. #define SWS_MAX_FILTER_SIZE $sws_max_filter_size

  6017. EOF

  6018. 

  6019. test -n "$assert_level" &&

  6020.     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH

  6021. 

  6022. test -n "$malloc_prefix" &&

  6023.     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH

  6024. 

  6025. if enabled yasm; then

  6026.     append config_files $TMPASM

  6027.     printf '' >$TMPASM

  6028. fi

  6029. 

  6030. enabled getenv || echo "#define getenv(x) NULL" >> $TMPH

  6031. 

  6032. 

  6033. mkdir -p doc

  6034. mkdir -p tests

  6035. mkdir -p tests/api

  6036. echo "@c auto-generated by configure" > doc/config.texi

  6037. 

  6038. print_config ARCH_   "$config_files" $ARCH_LIST

  6039. print_config HAVE_   "$config_files" $HAVE_LIST

  6040. print_config CONFIG_ "$config_files" $CONFIG_LIST       \

  6041.                                      $CONFIG_EXTRA      \

  6042.                                      $ALL_COMPONENTS    \

  6043. 

  6044. echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH

  6045. echo "endif # FFMPEG_CONFIG_MAK" >> config.mak

  6046. 

  6047. # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.

  6048. cp_if_changed $TMPH config.h

  6049. touch .config

  6050. 

  6051. enabled yasm && cp_if_changed $TMPASM config.asm

  6052. 

  6053. cat > $TMPH <<EOF

  6054. /* Generated by ffconf */

  6055. #ifndef AVUTIL_AVCONFIG_H

  6056. #define AVUTIL_AVCONFIG_H

  6057. EOF

  6058. 

  6059. print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB

  6060. 

  6061. echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH

  6062. 

  6063. cp_if_changed $TMPH libavutil/avconfig.h

  6064. 

  6065. if test -n "$WARNINGS"; then

  6066.     printf "\n$WARNINGS"

  6067.     enabled fatal_warnings && exit 1

  6068. fi

  6069. 

  6070. # build pkg-config files

  6071. 

  6072. lib_version(){

  6073.     eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""

  6074. }

  6075. 

  6076. pkgconfig_generate(){

  6077.     name=$1

  6078.     shortname=${name#lib}${build_suffix}

  6079.     comment=$2

  6080.     version=$3

  6081.     libs=$4

  6082.     requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))

  6083.     requires=${requires%, }

  6084.     enabled ${name#lib} || return 0

  6085.     mkdir -p $name

  6086.     cat <<EOF > $name/$name${build_suffix}.pc

  6087. prefix=$prefix

  6088. exec_prefix=\${prefix}

  6089. libdir=$libdir

  6090. includedir=$incdir

  6091. 

  6092. Name: $name

  6093. Description: $comment

  6094. Version: $version

  6095. Requires: $(enabled shared || echo $requires)

  6096. Requires.private: $(enabled shared && echo $requires)

  6097. Conflicts:

  6098. Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)

  6099. Libs.private: $(enabled shared && echo $libs)

  6100. Cflags: -I\${includedir}

  6101. EOF

  6102. 

  6103. mkdir -p doc/examples/pc-uninstalled

  6104. includedir=${source_path}

  6105. [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."

  6106.     cat <<EOF > doc/examples/pc-uninstalled/$name.pc

  6107. prefix=

  6108. exec_prefix=

  6109. libdir=\${pcfiledir}/../../../$name

  6110. includedir=${includedir}

  6111. 

  6112. Name: $name

  6113. Description: $comment

  6114. Version: $version

  6115. Requires: $requires

  6116. Conflicts:

  6117. Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)

  6118. Cflags: -I\${includedir}

  6119. EOF

  6120. }

  6121. 

  6122. pkgconfig_generate libavutil     "FFmpeg utility library"               "$LIBAVUTIL_VERSION"     "$LIBRT $LIBM"

  6123. pkgconfig_generate libavcodec    "FFmpeg codec library"                 "$LIBAVCODEC_VERSION"    "$extralibs"

  6124. pkgconfig_generate libavformat   "FFmpeg container format library"      "$LIBAVFORMAT_VERSION"   "$extralibs"

  6125. pkgconfig_generate libavdevice   "FFmpeg device handling library"       "$LIBAVDEVICE_VERSION"   "$extralibs"

  6126. pkgconfig_generate libavfilter   "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION"   "$extralibs"

  6127. pkgconfig_generate libpostproc   "FFmpeg postprocessing library"        "$LIBPOSTPROC_VERSION"   ""

  6128. pkgconfig_generate libavresample "Libav audio resampling library"       "$LIBAVRESAMPLE_VERSION" "$LIBM"

  6129. pkgconfig_generate libswscale    "FFmpeg image rescaling library"       "$LIBSWSCALE_VERSION"    "$LIBM"

  6130. pkgconfig_generate libswresample "FFmpeg audio resampling library"      "$LIBSWRESAMPLE_VERSION" "$LIBM"