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FFmpeg
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  1. #!/bin/sh

  2. #

  3. # FFmpeg configure script

  4. #

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

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

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

  8. #

  9. 

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

  11. LC_ALL=C

  12. export LC_ALL

  13. 

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

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

  16. 

  17. try_exec(){

  18.     echo "Trying shell $1"

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

  20. }

  21. 

  22. unset foo

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

  24. E1="$?"

  25. 

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

  27. E2="$?"

  28. 

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

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

  31.     export FF_CONF_EXEC

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

  33.         FF_CONF_EXEC=1

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

  35.     fi

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

  37.         FF_CONF_EXEC=2

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

  39.     fi

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

  41.         FF_CONF_EXEC=3

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

  43.     fi

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

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

  46.     echo "such as bash or ksh."

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

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

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

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

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

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

  53.     fi

  54.     exit 1

  55. fi

  56. 

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

  58. 

  59. show_help(){

  60.     cat <<EOF

  61. Usage: configure [options]

  62. Options: [defaults in brackets after descriptions]

  63. 

  64. Help options:

  65.   --help                   print this message

  66.   --list-decoders          show all available decoders

  67.   --list-encoders          show all available encoders

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

  69.   --list-demuxers          show all available demuxers

  70.   --list-muxers            show all available muxers

  71.   --list-parsers           show all available parsers

  72.   --list-protocols         show all available protocols

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

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

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

  76.   --list-filters           show all available filters

  77. 

  78. Standard options:

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

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

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

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

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

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

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

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

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

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

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

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

  91.                            not part of the dynamic linker search path

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

  93. 

  94. Licensing options:

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

  96.                            and binaries will be under GPL [no]

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

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

  99.                            and binaries will be unredistributable [no]

  100. 

  101. Configuration options:

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

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

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

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

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

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

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

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

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

  111. 

  112. Program options:

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

  114.   --disable-ffmpeg         disable ffmpeg build

  115.   --disable-ffplay         disable ffplay build

  116.   --disable-ffprobe        disable ffprobe build

  117.   --disable-ffserver       disable ffserver build

  118. 

  119. Documentation options:

  120.   --disable-doc            do not build documentation

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

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

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

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

  125. 

  126. Component options:

  127.   --disable-avdevice       disable libavdevice build

  128.   --disable-avcodec        disable libavcodec build

  129.   --disable-avformat       disable libavformat build

  130.   --disable-avutil         disable libavutil build

  131.   --disable-swresample     disable libswresample build

  132.   --disable-swscale        disable libswscale build

  133.   --disable-postproc       disable libpostproc build

  134.   --disable-avfilter       disable libavfilter build

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

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

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

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

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

  140.   --disable-dct            disable DCT code

  141.   --disable-dwt            disable DWT code

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

  143.   --disable-lsp            disable LSP code

  144.   --disable-lzo            disable LZO decoder code

  145.   --disable-mdct           disable MDCT code

  146.   --disable-rdft           disable RDFT code

  147.   --disable-fft            disable FFT code

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

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

  150. 

  151. Hardware accelerators:

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

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

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

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

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

  157. 

  158. Individual component options:

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

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

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

  162.   --disable-encoders       disable all encoders

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

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

  165.   --disable-decoders       disable all decoders

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

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

  168.   --disable-hwaccels       disable all hwaccels

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

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

  171.   --disable-muxers         disable all muxers

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

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

  174.   --disable-demuxers       disable all demuxers

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

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

  177.   --disable-parsers        disable all parsers

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

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

  180.   --disable-bsfs           disable all bitstream filters

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

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

  183.   --disable-protocols      disable all protocols

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

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

  186.   --disable-indevs         disable input devices

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

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

  189.   --disable-outdevs        disable output devices

  190.   --disable-devices        disable all devices

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

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

  193.   --disable-filters        disable all filters

  194. 

  195. External library support:

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

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

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

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

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

  201.                            if openssl is not used [no]

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

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

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

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

  206.                            needed for subtitles and ass filter [no]

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

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

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

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

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

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

  213.                            and libraw1394 [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  228.                            native (de)muxer exists [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  253.                            native implementation exists [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  273.   --enable-opencl          enable OpenCL code

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

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

  276.                            if gnutls is not used [no]

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

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

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

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

  281. 

  282. Toolchain options:

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

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

  285.                            instruction selection, may crash on older CPUs)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  328. 

  329. Advanced options (experts only):

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

  331.   --disable-symver         disable symbol versioning

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

  333.   --disable-safe-bitstream-reader

  334.                            disable buffer boundary checking in bitreaders

  335.                            (faster, but may crash)

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

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

  338. 

  339. Optimization options (experts only):

  340.   --disable-asm            disable all assembly optimizations

  341.   --disable-altivec        disable AltiVec optimizations

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

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

  344.   --disable-mmx            disable MMX optimizations

  345.   --disable-mmxext         disable MMXEXT optimizations

  346.   --disable-sse            disable SSE optimizations

  347.   --disable-sse2           disable SSE2 optimizations

  348.   --disable-sse3           disable SSE3 optimizations

  349.   --disable-ssse3          disable SSSE3 optimizations

  350.   --disable-sse4           disable SSE4 optimizations

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

  352.   --disable-avx            disable AVX optimizations

  353.   --disable-xop            disable XOP optimizations

  354.   --disable-fma3           disable FMA3 optimizations

  355.   --disable-fma4           disable FMA4 optimizations

  356.   --disable-avx2           disable AVX2 optimizations

  357.   --disable-armv5te        disable armv5te optimizations

  358.   --disable-armv6          disable armv6 optimizations

  359.   --disable-armv6t2        disable armv6t2 optimizations

  360.   --disable-vfp            disable VFP optimizations

  361.   --disable-neon           disable NEON optimizations

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

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

  364.   --disable-mips32r5       disable MIPS32R5 optimizations

  365.   --disable-mips64r6       disable MIPS64R6 optimizations

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

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

  368.   --disable-msa            disable MSA optimizations

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

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

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

  372. 

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

  374.   --disable-debug          disable debugging symbols

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

  376.   --disable-optimizations  disable compiler optimizations

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

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

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

  380.                            2 causes a slowdown at runtime.

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

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

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

  384.                            Cannot be combined with --target-exec

  385.   --enable-ftrapv          Trap arithmetic overflows

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

  387.                            \$FATE_SAMPLES at make invocation time.

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

  389.                            used only for debugging purposes)

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

  391.                            should be used only for debugging purposes)

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

  393.   --disable-random

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

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

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

  397.                            (group) and PROB the probability associated with

  398.                            NAME (default 0.5).

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

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

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

  402. 

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

  404. EOF

  405.   exit 0

  406. }

  407. 

  408. quotes='""'

  409. 

  410. log(){

  411.     echo "$@" >> $logfile

  412. }

  413. 

  414. log_file(){

  415.     log BEGIN $1

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

  417.     log END $1

  418. }

  419. 

  420. echolog(){

  421.     log "$@"

  422.     echo "$@"

  423. }

  424. 

  425. warn(){

  426.     log "WARNING: $*"

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

  428. }

  429. 

  430. die(){

  431.     echolog "$@"

  432.     cat <<EOF

  433. 

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

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

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

  437. EOF

  438.     if disabled logging; then

  439.         cat <<EOF

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

  441. include the log this produces with your report.

  442. EOF

  443.     else

  444.         cat <<EOF

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

  446. solve the problem.

  447. EOF

  448.     fi

  449.     exit 1

  450. }

  451. 

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

  453. toupper(){

  454.     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ

  455. }

  456. 

  457. tolower(){

  458.     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz

  459. }

  460. 

  461. c_escape(){

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

  463. }

  464. 

  465. sh_quote(){

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

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

  468.     echo "$v"

  469. }

  470. 

  471. cleanws(){

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

  473. }

  474. 

  475. filter(){

  476.     pat=$1

  477.     shift

  478.     for v; do

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

  480.     done

  481. }

  482. 

  483. filter_out(){

  484.     pat=$1

  485.     shift

  486.     for v; do

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

  488.     done

  489. }

  490. 

  491. map(){

  492.     m=$1

  493.     shift

  494.     for v; do eval $m; done

  495. }

  496. 

  497. add_suffix(){

  498.     suffix=$1

  499.     shift

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

  501. }

  502. 

  503. set_all(){

  504.     value=$1

  505.     shift

  506.     for var in $*; do

  507.         eval $var=$value

  508.     done

  509. }

  510. 

  511. set_weak(){

  512.     value=$1

  513.     shift

  514.     for var; do

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

  516.     done

  517. }

  518. 

  519. sanitize_var_name(){

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

  521. }

  522. 

  523. set_safe(){

  524.     var=$1

  525.     shift

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

  527. }

  528. 

  529. get_safe(){

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

  531. }

  532. 

  533. pushvar(){

  534.     for pvar in $*; do

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

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

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

  538.     done

  539. }

  540. 

  541. popvar(){

  542.     for pvar in $*; do

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

  544.         test $level = 0 && continue

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

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

  547.         eval ${pvar}_level=$level

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

  549.     done

  550. }

  551. 

  552. enable(){

  553.     set_all yes $*

  554. }

  555. 

  556. disable(){

  557.     set_all no $*

  558. }

  559. 

  560. enable_weak(){

  561.     set_weak yes $*

  562. }

  563. 

  564. disable_weak(){

  565.     set_weak no $*

  566. }

  567. 

  568. enable_safe(){

  569.     for var; do

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

  571.     done

  572. }

  573. 

  574. disable_safe(){

  575.     for var; do

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

  577.     done

  578. }

  579. 

  580. do_enable_deep(){

  581.     for var; do

  582.         enabled $var && continue

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

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

  585.         pushvar var sgs

  586.         enable_deep $sel

  587.         popvar sgs

  588.         enable_deep_weak $sgs

  589.         popvar var

  590.     done

  591. }

  592. 

  593. enable_deep(){

  594.     do_enable_deep $*

  595.     enable $*

  596. }

  597. 

  598. enable_deep_weak(){

  599.     for var; do

  600.         disabled $var && continue

  601.         pushvar var

  602.         do_enable_deep $var

  603.         popvar var

  604.         enable_weak $var

  605.     done

  606. }

  607. 

  608. enabled(){

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

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

  611. }

  612. 

  613. disabled(){

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

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

  616. }

  617. 

  618. enabled_all(){

  619.     for opt; do

  620.         enabled $opt || return 1

  621.     done

  622. }

  623. 

  624. disabled_all(){

  625.     for opt; do

  626.         disabled $opt || return 1

  627.     done

  628. }

  629. 

  630. enabled_any(){

  631.     for opt; do

  632.         enabled $opt && return 0

  633.     done

  634. }

  635. 

  636. disabled_any(){

  637.     for opt; do

  638.         disabled $opt && return 0

  639.     done

  640.     return 1

  641. }

  642. 

  643. set_default(){

  644.     for opt; do

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

  646.     done

  647. }

  648. 

  649. is_in(){

  650.     value=$1

  651.     shift

  652.     for var in $*; do

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

  654.     done

  655.     return 1

  656. }

  657. 

  658. do_check_deps(){

  659.     for cfg; do

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

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

  662.         disabled ${cfg}_checking && continue

  663.         enable ${cfg}_checking

  664.         append allopts $cfg

  665. 

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

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

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

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

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

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

  672. 

  673.         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

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

  675.         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

  676. 

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

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

  679.         enabled_all  $dep_all || disable $cfg

  680.         enabled_any  $dep_any || disable $cfg

  681.         disabled_any $dep_sel && disable $cfg

  682. 

  683.         if enabled $cfg; then

  684.             enable_deep $dep_sel

  685.             enable_deep_weak $dep_sgs

  686.         fi

  687. 

  688.         disable ${cfg}_checking

  689.     done

  690. }

  691. 

  692. check_deps(){

  693.     unset allopts

  694. 

  695.     do_check_deps "$@"

  696. 

  697.     for cfg in $allopts; do

  698.         enabled $cfg || continue

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

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

  701.     done

  702. }

  703. 

  704. print_config(){

  705.     pfx=$1

  706.     files=$2

  707.     shift 2

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

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

  710.         {

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

  712.             v = \$2;

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

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

  715.             for (f in files) {

  716.                 file = files[f];

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

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

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

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

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

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

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

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

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

  726.                     yesno = \$2;

  727.                     c2 = tolower(c);

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

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

  730.                 }

  731.             }

  732.         }"

  733. }

  734. 

  735. print_enabled(){

  736.     suf=$1

  737.     shift

  738.     for v; do

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

  740.     done

  741. }

  742. 

  743. append(){

  744.     var=$1

  745.     shift

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

  747. }

  748. 

  749. prepend(){

  750.     var=$1

  751.     shift

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

  753. }

  754. 

  755. unique(){

  756.     var=$1

  757.     uniq_list=""

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

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

  760.     done

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

  762. }

  763. 

  764. add_cppflags(){

  765.     append CPPFLAGS "$@"

  766. }

  767. 

  768. add_cflags(){

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

  770. }

  771. 

  772. add_cxxflags(){

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

  774. }

  775. 

  776. add_asflags(){

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

  778. }

  779. 

  780. add_ldflags(){

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

  782. }

  783. 

  784. add_ldexeflags(){

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

  786. }

  787. 

  788. add_stripflags(){

  789.     append ASMSTRIPFLAGS "$@"

  790. }

  791. 

  792. add_extralibs(){

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

  794. }

  795. 

  796. add_host_cppflags(){

  797.     append host_cppflags "$@"

  798. }

  799. 

  800. add_host_cflags(){

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

  802. }

  803. 

  804. add_host_ldflags(){

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

  806. }

  807. 

  808. add_compat(){

  809.     append compat_objs $1

  810.     shift

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

  812. }

  813. 

  814. check_cmd(){

  815.     log "$@"

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

  817. }

  818. 

  819. check_stat(){

  820.     log check_stat "$@"

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

  822. }

  823. 

  824. cc_o(){

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

  826. }

  827. 

  828. cc_e(){

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

  830. }

  831. 

  832. check_cc(){

  833.     log check_cc "$@"

  834.     cat > $TMPC

  835.     log_file $TMPC

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

  837. }

  838. 

  839. check_cxx(){

  840.     log check_cxx "$@"

  841.     cat > $TMPCPP

  842.     log_file $TMPCPP

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

  844. }

  845. 

  846. check_oc(){

  847.     log check_oc "$@"

  848.     cat > $TMPM

  849.     log_file $TMPM

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

  851. }

  852. 

  853. check_cpp(){

  854.     log check_cpp "$@"

  855.     cat > $TMPC

  856.     log_file $TMPC

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

  858. }

  859. 

  860. as_o(){

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

  862. }

  863. 

  864. check_as(){

  865.     log check_as "$@"

  866.     cat > $TMPS

  867.     log_file $TMPS

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

  869. }

  870. 

  871. check_inline_asm(){

  872.     log check_inline_asm "$@"

  873.     name="$1"

  874.     code="$2"

  875.     shift 2

  876.     disable $name

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

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

  879. EOF

  880. }

  881. 

  882. check_insn(){

  883.     log check_insn "$@"

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

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

  886. }

  887. 

  888. check_yasm(){

  889.     log check_yasm "$@"

  890.     echo "$1" > $TMPS

  891.     log_file $TMPS

  892.     shift 1

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

  894. }

  895. 

  896. ld_o(){

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

  898. }

  899. 

  900. check_ld(){

  901.     log check_ld "$@"

  902.     type=$1

  903.     shift 1

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

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

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

  907.     flags=$($ldflags_filter $flags)

  908.     libs=$($ldflags_filter $libs)

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

  910. }

  911. 

  912. print_include(){

  913.     hdr=$1

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

  915.         echo "#include $hdr"    ||

  916.         echo "#include <$hdr>"

  917. }

  918. 

  919. check_code(){

  920.     log check_code "$@"

  921.     check=$1

  922.     headers=$2

  923.     code=$3

  924.     shift 3

  925.     {

  926.         for hdr in $headers; do

  927.             print_include $hdr

  928.         done

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

  930.     } | check_$check "$@"

  931. }

  932. 

  933. check_cppflags(){

  934.     log check_cppflags "$@"

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

  936. int x;

  937. EOF

  938. }

  939. 

  940. test_cflags(){

  941.     log test_cflags "$@"

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

  943.     check_cc "$@" <<EOF

  944. int x;

  945. EOF

  946. }

  947. 

  948. check_cflags(){

  949.     log check_cflags "$@"

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

  951. }

  952. 

  953. check_cxxflags(){

  954.     log check_cxxflags "$@"

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

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

  957. int x;

  958. EOF

  959. }

  960. 

  961. test_ldflags(){

  962.     log test_ldflags "$@"

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

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

  965. EOF

  966. }

  967. 

  968. check_ldflags(){

  969.     log check_ldflags "$@"

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

  971. }

  972. 

  973. test_stripflags(){

  974.     log test_stripflags "$@"

  975.     # call check_cc to get a fresh TMPO

  976.     check_cc <<EOF

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

  978. EOF

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

  980. }

  981. 

  982. check_stripflags(){

  983.     log check_stripflags "$@"

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

  985. }

  986. 

  987. check_header(){

  988.     log check_header "$@"

  989.     header=$1

  990.     shift

  991.     disable_safe $header

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

  993. #include <$header>

  994. int x;

  995. EOF

  996. }

  997. 

  998. check_header_oc(){

  999.     log check_header_oc "$@"

  1000.     rm -f -- "$TMPO"

  1001.     header=$1

  1002.     shift

  1003.     disable_safe $header

  1004.     {

  1005.        echo "#include <$header>"

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

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

  1008. }

  1009. 

  1010. check_func(){

  1011.     log check_func "$@"

  1012.     func=$1

  1013.     shift

  1014.     disable $func

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

  1016. extern int $func();

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

  1018. EOF

  1019. }

  1020. 

  1021. check_mathfunc(){

  1022.     log check_mathfunc "$@"

  1023.     func=$1

  1024.     narg=$2

  1025.     shift 2

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

  1027.     disable $func

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

  1029. #include <math.h>

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

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

  1032. EOF

  1033. }

  1034. 

  1035. check_func_headers(){

  1036.     log check_func_headers "$@"

  1037.     headers=$1

  1038.     funcs=$2

  1039.     shift 2

  1040.     {

  1041.         for hdr in $headers; do

  1042.             print_include $hdr

  1043.         done

  1044.         for func in $funcs; do

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

  1046.         done

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

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

  1049. }

  1050. 

  1051. check_class_headers_cpp(){

  1052.     log check_class_headers_cpp "$@"

  1053.     headers=$1

  1054.     classes=$2

  1055.     shift 2

  1056.     {

  1057.         for hdr in $headers; do

  1058.             echo "#include <$hdr>"

  1059.         done

  1060.         echo "int main(void) { "

  1061.         i=1

  1062.         for class in $classes; do

  1063.             echo "$class obj$i;"

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

  1065.         done

  1066.         echo "return 0; }"

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

  1068. }

  1069. 

  1070. check_cpp_condition(){

  1071.     log check_cpp_condition "$@"

  1072.     header=$1

  1073.     condition=$2

  1074.     shift 2

  1075.     check_cpp "$@" <<EOF

  1076. #include <$header>

  1077. #if !($condition)

  1078. #error "unsatisfied condition: $condition"

  1079. #endif

  1080. EOF

  1081. }

  1082. 

  1083. check_lib(){

  1084.     log check_lib "$@"

  1085.     header="$1"

  1086.     func="$2"

  1087.     shift 2

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

  1089. }

  1090. 

  1091. check_lib2(){

  1092.     log check_lib2 "$@"

  1093.     headers="$1"

  1094.     funcs="$2"

  1095.     shift 2

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

  1097. }

  1098. 

  1099. check_lib_cpp(){

  1100.     log check_lib_cpp "$@"

  1101.     headers="$1"

  1102.     classes="$2"

  1103.     shift 2

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

  1105. }

  1106. 

  1107. check_pkg_config(){

  1108.     log check_pkg_config "$@"

  1109.     pkgandversion="$1"

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

  1111.     headers="$2"

  1112.     funcs="$3"

  1113.     shift 3

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

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

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

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

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

  1119.         set_safe ${pkg}_libs   $pkg_libs

  1120. }

  1121. 

  1122. check_exec(){

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

  1124. }

  1125. 

  1126. check_exec_crash(){

  1127.     code=$(cat)

  1128. 

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

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

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

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

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

  1134. 

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

  1136. #include <signal.h>

  1137. static void sighandler(int sig){

  1138.     raise(SIGTERM);

  1139. }

  1140. int foo(void){

  1141.     $code

  1142. }

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

  1144. int main(void){

  1145.     signal(SIGILL, sighandler);

  1146.     signal(SIGFPE, sighandler);

  1147.     signal(SIGSEGV, sighandler);

  1148. #ifdef SIGBUS

  1149.     signal(SIGBUS, sighandler);

  1150. #endif

  1151.     return func_ptr();

  1152. }

  1153. EOF

  1154. }

  1155. 

  1156. check_type(){

  1157.     log check_type "$@"

  1158.     headers=$1

  1159.     type=$2

  1160.     shift 2

  1161.     disable_safe "$type"

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

  1163. }

  1164. 

  1165. check_struct(){

  1166.     log check_struct "$@"

  1167.     headers=$1

  1168.     struct=$2

  1169.     member=$3

  1170.     shift 3

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

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

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

  1174. }

  1175. 

  1176. check_builtin(){

  1177.     log check_builtin "$@"

  1178.     name=$1

  1179.     headers=$2

  1180.     builtin=$3

  1181.     shift 3

  1182.     disable "$name"

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

  1184. }

  1185. 

  1186. check_compile_assert(){

  1187.     log check_compile_assert "$@"

  1188.     name=$1

  1189.     headers=$2

  1190.     condition=$3

  1191.     shift 3

  1192.     disable "$name"

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

  1194. }

  1195. 

  1196. require(){

  1197.     name="$1"

  1198.     header="$2"

  1199.     func="$3"

  1200.     shift 3

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

  1202. }

  1203. 

  1204. require2(){

  1205.     name="$1"

  1206.     headers="$2"

  1207.     func="$3"

  1208.     shift 3

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

  1210. }

  1211. 

  1212. require_cpp(){

  1213.     name="$1"

  1214.     headers="$2"

  1215.     classes="$3"

  1216.     shift 3

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

  1218. }

  1219. 

  1220. use_pkg_config(){

  1221.     pkg="$1"

  1222.     check_pkg_config "$@" || return 1

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

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

  1225. }

  1226. 

  1227. require_pkg_config(){

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

  1229. }

  1230. 

  1231. require_libfreetype(){

  1232.     log require_libfreetype "$@"

  1233.     pkg="freetype2"

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

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

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

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

  1238.     {

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

  1240.         echo "#include FT_FREETYPE_H"

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

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

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

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

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

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

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

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

  1249. }

  1250. 

  1251. hostcc_e(){

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

  1253. }

  1254. 

  1255. hostcc_o(){

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

  1257. }

  1258. 

  1259. check_host_cc(){

  1260.     log check_host_cc "$@"

  1261.     cat > $TMPC

  1262.     log_file $TMPC

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

  1264. }

  1265. 

  1266. check_host_cpp(){

  1267.     log check_host_cpp "$@"

  1268.     cat > $TMPC

  1269.     log_file $TMPC

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

  1271. }

  1272. 

  1273. check_host_cppflags(){

  1274.     log check_host_cppflags "$@"

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

  1276. int x;

  1277. EOF

  1278. }

  1279. 

  1280. check_host_cflags(){

  1281.     log check_host_cflags "$@"

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

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

  1284. int x;

  1285. EOF

  1286. }

  1287. 

  1288. check_host_cpp_condition(){

  1289.     log check_host_cpp_condition "$@"

  1290.     header=$1

  1291.     condition=$2

  1292.     shift 2

  1293.     check_host_cpp "$@" <<EOF

  1294. #include <$header>

  1295. #if !($condition)

  1296. #error "unsatisfied condition: $condition"

  1297. #endif

  1298. EOF

  1299. }

  1300. 

  1301. apply(){

  1302.     file=$1

  1303.     shift

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

  1305. }

  1306. 

  1307. cp_if_changed(){

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

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

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

  1311. }

  1312. 

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

  1314. # system-dependent things.

  1315. 

  1316. COMPONENT_LIST="

  1317.     bsfs

  1318.     decoders

  1319.     demuxers

  1320.     encoders

  1321.     filters

  1322.     hwaccels

  1323.     indevs

  1324.     muxers

  1325.     outdevs

  1326.     parsers

  1327.     protocols

  1328. "

  1329. 

  1330. EXAMPLE_LIST="

  1331.     avio_reading_example

  1332.     avio_list_dir_example

  1333.     decoding_encoding_example

  1334.     demuxing_decoding_example

  1335.     extract_mvs_example

  1336.     filter_audio_example

  1337.     filtering_audio_example

  1338.     filtering_video_example

  1339.     metadata_example

  1340.     muxing_example

  1341.     qsvdec_example

  1342.     remuxing_example

  1343.     resampling_audio_example

  1344.     scaling_video_example

  1345.     transcode_aac_example

  1346.     transcoding_example

  1347. "

  1348. 

  1349. EXTERNAL_LIBRARY_LIST="

  1350.     avisynth

  1351.     bzlib

  1352.     crystalhd

  1353.     decklink

  1354.     frei0r

  1355.     gnutls

  1356.     iconv

  1357.     ladspa

  1358.     libaacplus

  1359.     libass

  1360.     libbluray

  1361.     libbs2b

  1362.     libcaca

  1363.     libcdio

  1364.     libcelt

  1365.     libdc1394

  1366.     libdcadec

  1367.     libfaac

  1368.     libfdk_aac

  1369.     libflite

  1370.     libfontconfig

  1371.     libfreetype

  1372.     libfribidi

  1373.     libgme

  1374.     libgsm

  1375.     libiec61883

  1376.     libilbc

  1377.     libmfx

  1378.     libmodplug

  1379.     libmp3lame

  1380.     libnut

  1381.     libopencore_amrnb

  1382.     libopencore_amrwb

  1383.     libopencv

  1384.     libopenh264

  1385.     libopenjpeg

  1386.     libopus

  1387.     libpulse

  1388.     libquvi

  1389.     librtmp

  1390.     libschroedinger

  1391.     libshine

  1392.     libsmbclient

  1393.     libsoxr

  1394.     libspeex

  1395.     libssh

  1396.     libstagefright_h264

  1397.     libtheora

  1398.     libtwolame

  1399.     libutvideo

  1400.     libv4l2

  1401.     libvidstab

  1402.     libvo_aacenc

  1403.     libvo_amrwbenc

  1404.     libvorbis

  1405.     libvpx

  1406.     libwavpack

  1407.     libwebp

  1408.     libx264

  1409.     libx265

  1410.     libxavs

  1411.     libxcb

  1412.     libxcb_shm

  1413.     libxcb_shape

  1414.     libxcb_xfixes

  1415.     libxvid

  1416.     libzmq

  1417.     libzvbi

  1418.     lzma

  1419.     mmal

  1420.     nvenc

  1421.     openal

  1422.     opencl

  1423.     opengl

  1424.     openssl

  1425.     sdl

  1426.     x11grab

  1427.     xlib

  1428.     zlib

  1429. "

  1430. 

  1431. DOCUMENT_LIST="

  1432.     doc

  1433.     htmlpages

  1434.     manpages

  1435.     podpages

  1436.     txtpages

  1437. "

  1438. 

  1439. FEATURE_LIST="

  1440.     ftrapv

  1441.     gray

  1442.     hardcoded_tables

  1443.     runtime_cpudetect

  1444.     safe_bitstream_reader

  1445.     shared

  1446.     small

  1447.     static

  1448.     swscale_alpha

  1449. "

  1450. 

  1451. HWACCEL_LIST="

  1452.     d3d11va

  1453.     dxva2

  1454.     vaapi

  1455.     vda

  1456.     vdpau

  1457.     xvmc

  1458. "

  1459. 

  1460. LIBRARY_LIST="

  1461.     avcodec

  1462.     avdevice

  1463.     avfilter

  1464.     avformat

  1465.     avresample

  1466.     avutil

  1467.     postproc

  1468.     swresample

  1469.     swscale

  1470. "

  1471. 

  1472. LICENSE_LIST="

  1473.     gpl

  1474.     nonfree

  1475.     version3

  1476. "

  1477. 

  1478. PROGRAM_LIST="

  1479.     ffplay

  1480.     ffprobe

  1481.     ffserver

  1482.     ffmpeg

  1483. "

  1484. 

  1485. SUBSYSTEM_LIST="

  1486.     dct

  1487.     dwt

  1488.     error_resilience

  1489.     faan

  1490.     fast_unaligned

  1491.     fft

  1492.     lsp

  1493.     lzo

  1494.     mdct

  1495.     pixelutils

  1496.     network

  1497.     rdft

  1498. "

  1499. 

  1500. CONFIG_LIST="

  1501.     $COMPONENT_LIST

  1502.     $DOCUMENT_LIST

  1503.     $EXAMPLE_LIST

  1504.     $EXTERNAL_LIBRARY_LIST

  1505.     $FEATURE_LIST

  1506.     $HWACCEL_LIST

  1507.     $LICENSE_LIST

  1508.     $LIBRARY_LIST

  1509.     $PROGRAM_LIST

  1510.     $SUBSYSTEM_LIST

  1511.     fontconfig

  1512.     incompatible_libav_abi

  1513.     memalign_hack

  1514.     memory_poisoning

  1515.     neon_clobber_test

  1516.     pic

  1517.     pod2man

  1518.     raise_major

  1519.     thumb

  1520.     valgrind_backtrace

  1521.     xmm_clobber_test

  1522. "

  1523. 

  1524. THREADS_LIST="

  1525.     pthreads

  1526.     os2threads

  1527.     w32threads

  1528. "

  1529. 

  1530. ATOMICS_LIST="

  1531.     atomics_gcc

  1532.     atomics_suncc

  1533.     atomics_win32

  1534. "

  1535. 

  1536. ARCH_LIST="

  1537.     aarch64

  1538.     alpha

  1539.     arm

  1540.     avr32

  1541.     avr32_ap

  1542.     avr32_uc

  1543.     bfin

  1544.     ia64

  1545.     m68k

  1546.     mips

  1547.     mips64

  1548.     parisc

  1549.     ppc

  1550.     ppc64

  1551.     s390

  1552.     sh4

  1553.     sparc

  1554.     sparc64

  1555.     tilegx

  1556.     tilepro

  1557.     tomi

  1558.     x86

  1559.     x86_32

  1560.     x86_64

  1561. "

  1562. 

  1563. ARCH_EXT_LIST_ARM="

  1564.     armv5te

  1565.     armv6

  1566.     armv6t2

  1567.     armv8

  1568.     neon

  1569.     vfp

  1570.     vfpv3

  1571.     setend

  1572. "

  1573. 

  1574. ARCH_EXT_LIST_MIPS="

  1575.     mipsfpu

  1576.     mips32r2

  1577.     mips32r5

  1578.     mips64r6

  1579.     mipsdspr1

  1580.     mipsdspr2

  1581.     msa

  1582. "

  1583. 

  1584. ARCH_EXT_LIST_LOONGSON="

  1585.     loongson3

  1586. "

  1587. 

  1588. ARCH_EXT_LIST_X86_SIMD="

  1589.     amd3dnow

  1590.     amd3dnowext

  1591.     avx

  1592.     avx2

  1593.     fma3

  1594.     fma4

  1595.     mmx

  1596.     mmxext

  1597.     sse

  1598.     sse2

  1599.     sse3

  1600.     sse4

  1601.     sse42

  1602.     ssse3

  1603.     xop

  1604. "

  1605. 

  1606. ARCH_EXT_LIST_PPC="

  1607.     altivec

  1608.     dcbzl

  1609.     ldbrx

  1610.     ppc4xx

  1611.     vsx

  1612. "

  1613. 

  1614. ARCH_EXT_LIST_X86="

  1615.     $ARCH_EXT_LIST_X86_SIMD

  1616.     cpunop

  1617.     i686

  1618. "

  1619. 

  1620. ARCH_EXT_LIST="

  1621.     $ARCH_EXT_LIST_ARM

  1622.     $ARCH_EXT_LIST_PPC

  1623.     $ARCH_EXT_LIST_X86

  1624.     $ARCH_EXT_LIST_MIPS

  1625.     $ARCH_EXT_LIST_LOONGSON

  1626. "

  1627. 

  1628. ARCH_FEATURES="

  1629.     aligned_stack

  1630.     fast_64bit

  1631.     fast_clz

  1632.     fast_cmov

  1633.     local_aligned_8

  1634.     local_aligned_16

  1635.     local_aligned_32

  1636.     simd_align_16

  1637. "

  1638. 

  1639. BUILTIN_LIST="

  1640.     atomic_cas_ptr

  1641.     atomic_compare_exchange

  1642.     machine_rw_barrier

  1643.     MemoryBarrier

  1644.     mm_empty

  1645.     rdtsc

  1646.     sarestart

  1647.     sync_val_compare_and_swap

  1648. "

  1649. HAVE_LIST_CMDLINE="

  1650.     inline_asm

  1651.     symver

  1652.     yasm

  1653. "

  1654. 

  1655. HAVE_LIST_PUB="

  1656.     bigendian

  1657.     fast_unaligned

  1658.     incompatible_libav_abi

  1659. "

  1660. 

  1661. HEADERS_LIST="

  1662.     alsa_asoundlib_h

  1663.     altivec_h

  1664.     arpa_inet_h

  1665.     asm_types_h

  1666.     cdio_paranoia_h

  1667.     cdio_paranoia_paranoia_h

  1668.     dev_bktr_ioctl_bt848_h

  1669.     dev_bktr_ioctl_meteor_h

  1670.     dev_ic_bt8xx_h

  1671.     dev_video_bktr_ioctl_bt848_h

  1672.     dev_video_meteor_ioctl_meteor_h

  1673.     direct_h

  1674.     dlfcn_h

  1675.     d3d11_h

  1676.     dxva_h

  1677.     ES2_gl_h

  1678.     gsm_h

  1679.     io_h

  1680.     mach_mach_time_h

  1681.     machine_ioctl_bt848_h

  1682.     machine_ioctl_meteor_h

  1683.     malloc_h

  1684.     openjpeg_1_5_openjpeg_h

  1685.     OpenGL_gl3_h

  1686.     poll_h

  1687.     sndio_h

  1688.     soundcard_h

  1689.     sys_mman_h

  1690.     sys_param_h

  1691.     sys_resource_h

  1692.     sys_select_h

  1693.     sys_soundcard_h

  1694.     sys_time_h

  1695.     sys_un_h

  1696.     sys_videoio_h

  1697.     termios_h

  1698.     udplite_h

  1699.     unistd_h

  1700.     valgrind_valgrind_h

  1701.     windows_h

  1702.     winsock2_h

  1703. "

  1704. 

  1705. INTRINSICS_LIST="

  1706.     intrinsics_neon

  1707. "

  1708. 

  1709. MATH_FUNCS="

  1710.     atanf

  1711.     atan2f

  1712.     cbrt

  1713.     cbrtf

  1714.     cosf

  1715.     exp2

  1716.     exp2f

  1717.     expf

  1718.     isinf

  1719.     isnan

  1720.     ldexpf

  1721.     llrint

  1722.     llrintf

  1723.     log2

  1724.     log2f

  1725.     log10f

  1726.     lrint

  1727.     lrintf

  1728.     powf

  1729.     rint

  1730.     round

  1731.     roundf

  1732.     sinf

  1733.     trunc

  1734.     truncf

  1735. "

  1736. 

  1737. SYSTEM_FUNCS="

  1738.     access

  1739.     aligned_malloc

  1740.     clock_gettime

  1741.     closesocket

  1742.     CommandLineToArgvW

  1743.     CoTaskMemFree

  1744.     CryptGenRandom

  1745.     dlopen

  1746.     fcntl

  1747.     flt_lim

  1748.     fork

  1749.     getaddrinfo

  1750.     gethrtime

  1751.     getopt

  1752.     GetProcessAffinityMask

  1753.     GetProcessMemoryInfo

  1754.     GetProcessTimes

  1755.     getrusage

  1756.     getservbyport

  1757.     GetSystemTimeAsFileTime

  1758.     gettimeofday

  1759.     glob

  1760.     glXGetProcAddress

  1761.     gmtime_r

  1762.     inet_aton

  1763.     isatty

  1764.     jack_port_get_latency_range

  1765.     kbhit

  1766.     localtime_r

  1767.     lzo1x_999_compress

  1768.     mach_absolute_time

  1769.     MapViewOfFile

  1770.     memalign

  1771.     mkstemp

  1772.     mmap

  1773.     mprotect

  1774.     nanosleep

  1775.     PeekNamedPipe

  1776.     posix_memalign

  1777.     pthread_cancel

  1778.     sched_getaffinity

  1779.     SetConsoleTextAttribute

  1780.     setmode

  1781.     setrlimit

  1782.     Sleep

  1783.     strerror_r

  1784.     sysconf

  1785.     sysctl

  1786.     usleep

  1787.     VirtualAlloc

  1788.     wglGetProcAddress

  1789. "

  1790. 

  1791. TOOLCHAIN_FEATURES="

  1792.     as_dn_directive

  1793.     as_func

  1794.     as_object_arch

  1795.     asm_mod_q

  1796.     attribute_may_alias

  1797.     attribute_packed

  1798.     ebp_available

  1799.     ebx_available

  1800.     gnu_as

  1801.     gnu_windres

  1802.     ibm_asm

  1803.     inline_asm_labels

  1804.     inline_asm_nonlocal_labels

  1805.     inline_asm_direct_symbol_refs

  1806.     pragma_deprecated

  1807.     rsync_contimeout

  1808.     symver_asm_label

  1809.     symver_gnu_asm

  1810.     vfp_args

  1811.     xform_asm

  1812.     xmm_clobbers

  1813. "

  1814. 

  1815. TYPES_LIST="

  1816.     CONDITION_VARIABLE_Ptr

  1817.     DXVA_PicParams_HEVC

  1818.     ID3D11VideoDecoder

  1819.     socklen_t

  1820.     struct_addrinfo

  1821.     struct_group_source_req

  1822.     struct_ip_mreq_source

  1823.     struct_ipv6_mreq

  1824.     struct_pollfd

  1825.     struct_rusage_ru_maxrss

  1826.     struct_sctp_event_subscribe

  1827.     struct_sockaddr_in6

  1828.     struct_sockaddr_sa_len

  1829.     struct_sockaddr_storage

  1830.     struct_stat_st_mtim_tv_nsec

  1831.     struct_v4l2_frmivalenum_discrete

  1832. "

  1833. 

  1834. HAVE_LIST="

  1835.     $ARCH_EXT_LIST

  1836.     $(add_suffix _external $ARCH_EXT_LIST)

  1837.     $(add_suffix _inline   $ARCH_EXT_LIST)

  1838.     $ARCH_FEATURES

  1839.     $ATOMICS_LIST

  1840.     $BUILTIN_LIST

  1841.     $HAVE_LIST_CMDLINE

  1842.     $HAVE_LIST_PUB

  1843.     $HEADERS_LIST

  1844.     $INTRINSICS_LIST

  1845.     $MATH_FUNCS

  1846.     $SYSTEM_FUNCS

  1847.     $THREADS_LIST

  1848.     $TOOLCHAIN_FEATURES

  1849.     $TYPES_LIST

  1850.     atomics_native

  1851.     dos_paths

  1852.     d3d11_cobj

  1853.     d3d11va_lib

  1854.     dxva2api_cobj

  1855.     dxva2_lib

  1856.     libc_msvcrt

  1857.     libdc1394_1

  1858.     libdc1394_2

  1859.     makeinfo

  1860.     makeinfo_html

  1861.     perl

  1862.     pod2man

  1863.     sdl

  1864.     section_data_rel_ro

  1865.     texi2html

  1866.     threads

  1867.     vaapi_x11

  1868.     vdpau_x11

  1869.     xlib

  1870. "

  1871. 

  1872. # options emitted with CONFIG_ prefix but not available on the command line

  1873. CONFIG_EXTRA="

  1874.     aandcttables

  1875.     ac3dsp

  1876.     audio_frame_queue

  1877.     audiodsp

  1878.     blockdsp

  1879.     bswapdsp

  1880.     cabac

  1881.     dvprofile

  1882.     exif

  1883.     faandct

  1884.     faanidct

  1885.     fdctdsp

  1886.     fmtconvert

  1887.     frame_thread_encoder

  1888.     gcrypt

  1889.     golomb

  1890.     gplv3

  1891.     h263dsp

  1892.     h264chroma

  1893.     h264dsp

  1894.     h264pred

  1895.     h264qpel

  1896.     hpeldsp

  1897.     huffman

  1898.     huffyuvdsp

  1899.     huffyuvencdsp

  1900.     idctdsp

  1901.     iirfilter

  1902.     imdct15

  1903.     intrax8

  1904.     jpegtables

  1905.     lgplv3

  1906.     llauddsp

  1907.     llviddsp

  1908.     lpc

  1909.     me_cmp

  1910.     mpeg_er

  1911.     mpegaudio

  1912.     mpegaudiodsp

  1913.     mpegvideo

  1914.     mpegvideoenc

  1915.     nettle

  1916.     pixblockdsp

  1917.     qpeldsp

  1918.     qsv

  1919.     qsvdec

  1920.     qsvenc

  1921.     rangecoder

  1922.     riffdec

  1923.     riffenc

  1924.     rtpdec

  1925.     rtpenc_chain

  1926.     sinewin

  1927.     startcode

  1928.     tpeldsp

  1929.     videodsp

  1930.     vp3dsp

  1931.     wma_freqs

  1932. "

  1933. 

  1934. CMDLINE_SELECT="

  1935.     $ARCH_EXT_LIST

  1936.     $CONFIG_LIST

  1937.     $HAVE_LIST_CMDLINE

  1938.     $THREADS_LIST

  1939.     asm

  1940.     cross_compile

  1941.     debug

  1942.     extra_warnings

  1943.     logging

  1944.     lto

  1945.     optimizations

  1946.     rpath

  1947.     stripping

  1948. "

  1949. 

  1950. PATHS_LIST="

  1951.     bindir

  1952.     datadir

  1953.     docdir

  1954.     incdir

  1955.     libdir

  1956.     mandir

  1957.     prefix

  1958.     shlibdir

  1959. "

  1960. 

  1961. CMDLINE_SET="

  1962.     $PATHS_LIST

  1963.     ar

  1964.     arch

  1965.     as

  1966.     assert_level

  1967.     build_suffix

  1968.     cc

  1969.     cpu

  1970.     cross_prefix

  1971.     cxx

  1972.     dep_cc

  1973.     doxygen

  1974.     extra_version

  1975.     gas

  1976.     host_cc

  1977.     host_cflags

  1978.     host_ld

  1979.     host_ldflags

  1980.     host_libs

  1981.     host_os

  1982.     install

  1983.     ld

  1984.     logfile

  1985.     malloc_prefix

  1986.     nm

  1987.     optflags

  1988.     pkg_config

  1989.     pkg_config_flags

  1990.     progs_suffix

  1991.     random_seed

  1992.     ranlib

  1993.     samples

  1994.     strip

  1995.     sws_max_filter_size

  1996.     sysinclude

  1997.     sysroot

  1998.     target_exec

  1999.     target_os

  2000.     target_path

  2001.     target_samples

  2002.     tempprefix

  2003.     toolchain

  2004.     valgrind

  2005.     yasmexe

  2006. "

  2007. 

  2008. CMDLINE_APPEND="

  2009.     extra_cflags

  2010.     extra_cxxflags

  2011.     host_cppflags

  2012. "

  2013. 

  2014. # code dependency declarations

  2015. 

  2016. # architecture extensions

  2017. 

  2018. armv5te_deps="arm"

  2019. armv6_deps="arm"

  2020. armv6t2_deps="arm"

  2021. armv8_deps="aarch64"

  2022. neon_deps_any="aarch64 arm"

  2023. intrinsics_neon_deps="neon"

  2024. vfp_deps_any="aarch64 arm"

  2025. vfpv3_deps="vfp"

  2026. setend_deps="arm"

  2027. 

  2028. map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM

  2029. 

  2030. mipsfpu_deps="mips"

  2031. mipsdspr1_deps="mips"

  2032. mipsdspr2_deps="mips"

  2033. mips32r2_deps="mips"

  2034. mips32r5_deps="mips"

  2035. mips64r6_deps="mips"

  2036. msa_deps="mips"

  2037. loongson3_deps="mips"

  2038. 

  2039. altivec_deps="ppc"

  2040. dcbzl_deps="ppc"

  2041. ldbrx_deps="ppc"

  2042. ppc4xx_deps="ppc"

  2043. vsx_deps="ppc"

  2044. 

  2045. cpunop_deps="i686"

  2046. x86_64_select="i686"

  2047. x86_64_suggest="fast_cmov"

  2048. 

  2049. amd3dnow_deps="mmx"

  2050. amd3dnowext_deps="amd3dnow"

  2051. i686_deps="x86"

  2052. mmx_deps="x86"

  2053. mmxext_deps="mmx"

  2054. sse_deps="mmxext"

  2055. sse2_deps="sse"

  2056. sse3_deps="sse2"

  2057. ssse3_deps="sse3"

  2058. sse4_deps="ssse3"

  2059. sse42_deps="sse4"

  2060. avx_deps="sse42"

  2061. xop_deps="avx"

  2062. fma3_deps="avx"

  2063. fma4_deps="avx"

  2064. avx2_deps="avx"

  2065. 

  2066. mmx_external_deps="yasm"

  2067. mmx_inline_deps="inline_asm"

  2068. mmx_suggest="mmx_external mmx_inline"

  2069. 

  2070. for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do

  2071.     eval dep=\$${ext}_deps

  2072.     eval ${ext}_external_deps='"${dep}_external"'

  2073.     eval ${ext}_inline_deps='"${dep}_inline"'

  2074.     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'

  2075. done

  2076. 

  2077. aligned_stack_if_any="aarch64 ppc x86"

  2078. fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"

  2079. fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"

  2080. fast_unaligned_if_any="aarch64 ppc x86"

  2081. simd_align_16_if_any="altivec neon sse"

  2082. 

  2083. # system capabilities

  2084. symver_if_any="symver_asm_label symver_gnu_asm"

  2085. valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"

  2086. 

  2087. # threading support

  2088. atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"

  2089. atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"

  2090. atomics_win32_if="MemoryBarrier"

  2091. atomics_native_if_any="$ATOMICS_LIST"

  2092. w32threads_deps="atomics_native"

  2093. threads_if_any="$THREADS_LIST"

  2094. 

  2095. # subsystems

  2096. dct_select="rdft"

  2097. error_resilience_select="me_cmp"

  2098. faandct_deps="faan fdctdsp"

  2099. faanidct_deps="faan idctdsp"

  2100. frame_thread_encoder_deps="encoders threads"

  2101. intrax8_select="error_resilience"

  2102. mdct_select="fft"

  2103. rdft_select="fft"

  2104. me_cmp_select="fdctdsp idctdsp pixblockdsp"

  2105. mpeg_er_select="error_resilience"

  2106. mpegaudio_select="mpegaudiodsp"

  2107. mpegaudiodsp_select="dct"

  2108. mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp videodsp"

  2109. mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"

  2110. qsvdec_select="qsv"

  2111. qsvenc_select="qsv"

  2112. 

  2113. # decoders / encoders

  2114. aac_decoder_select="imdct15 mdct sinewin"

  2115. aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"

  2116. aac_latm_decoder_select="aac_decoder aac_latm_parser"

  2117. ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"

  2118. ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"

  2119. ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2120. ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2121. aic_decoder_select="golomb idctdsp"

  2122. alac_encoder_select="lpc"

  2123. als_decoder_select="bswapdsp"

  2124. amrnb_decoder_select="lsp"

  2125. amrwb_decoder_select="lsp"

  2126. amv_decoder_select="sp5x_decoder exif"

  2127. amv_encoder_select="aandcttables jpegtables mpegvideoenc"

  2128. ape_decoder_select="bswapdsp llauddsp"

  2129. apng_decoder_select="zlib"

  2130. apng_encoder_select="huffyuvencdsp zlib"

  2131. asv1_decoder_select="blockdsp bswapdsp idctdsp"

  2132. asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2133. asv2_decoder_select="blockdsp bswapdsp idctdsp"

  2134. asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2135. atrac1_decoder_select="mdct sinewin"

  2136. atrac3_decoder_select="mdct"

  2137. atrac3p_decoder_select="mdct sinewin"

  2138. avrn_decoder_select="exif jpegtables"

  2139. bink_decoder_select="blockdsp hpeldsp"

  2140. binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"

  2141. binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"

  2142. cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"

  2143. cllc_decoder_select="bswapdsp"

  2144. comfortnoise_encoder_select="lpc"

  2145. cook_decoder_select="audiodsp mdct sinewin"

  2146. cscd_decoder_select="lzo"

  2147. cscd_decoder_suggest="zlib"

  2148. dca_decoder_select="fmtconvert mdct"

  2149. dirac_decoder_select="dwt golomb videodsp mpegvideoenc"

  2150. dnxhd_decoder_select="blockdsp idctdsp"

  2151. dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"

  2152. dvvideo_decoder_select="dvprofile idctdsp"

  2153. dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"

  2154. dxa_decoder_select="zlib"

  2155. eac3_decoder_select="ac3_decoder"

  2156. eac3_encoder_select="ac3_encoder"

  2157. eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"

  2158. eatgq_decoder_select="aandcttables"

  2159. eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"

  2160. exr_decoder_select="zlib"

  2161. ffv1_decoder_select="golomb rangecoder"

  2162. ffv1_encoder_select="rangecoder"

  2163. ffvhuff_decoder_select="huffyuv_decoder"

  2164. ffvhuff_encoder_select="huffyuv_encoder"

  2165. fic_decoder_select="golomb"

  2166. flac_decoder_select="golomb"

  2167. flac_encoder_select="bswapdsp golomb lpc"

  2168. flashsv_decoder_select="zlib"

  2169. flashsv_encoder_select="zlib"

  2170. flashsv2_encoder_select="zlib"

  2171. flashsv2_decoder_select="zlib"

  2172. flv_decoder_select="h263_decoder"

  2173. flv_encoder_select="h263_encoder"

  2174. fourxm_decoder_select="blockdsp bswapdsp"

  2175. fraps_decoder_select="bswapdsp huffman"

  2176. g2m_decoder_select="blockdsp idctdsp jpegtables zlib"

  2177. g729_decoder_select="audiodsp"

  2178. h261_decoder_select="mpeg_er mpegvideo"

  2179. h261_encoder_select="aandcttables mpegvideoenc"

  2180. h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"

  2181. h263_encoder_select="aandcttables h263dsp mpegvideoenc"

  2182. h263i_decoder_select="h263_decoder"

  2183. h263p_decoder_select="h263_decoder"

  2184. h263p_encoder_select="h263_encoder"

  2185. h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"

  2186. h264_decoder_suggest="error_resilience"

  2187. h264_qsv_decoder_deps="libmfx"

  2188. h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"

  2189. h264_qsv_encoder_deps="libmfx"

  2190. h264_qsv_encoder_select="qsvenc"

  2191. hevc_decoder_select="bswapdsp cabac golomb videodsp"

  2192. huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"

  2193. huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"

  2194. iac_decoder_select="imc_decoder"

  2195. imc_decoder_select="bswapdsp fft mdct sinewin"

  2196. indeo3_decoder_select="hpeldsp"

  2197. interplay_video_decoder_select="hpeldsp"

  2198. jpegls_decoder_select="golomb mjpeg_decoder"

  2199. jpegls_encoder_select="golomb"

  2200. jv_decoder_select="blockdsp"

  2201. lagarith_decoder_select="huffyuvdsp"

  2202. ljpeg_encoder_select="aandcttables idctdsp jpegtables"

  2203. loco_decoder_select="golomb"

  2204. mdec_decoder_select="blockdsp idctdsp mpegvideo"

  2205. metasound_decoder_select="lsp mdct sinewin"

  2206. mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"

  2207. mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"

  2208. mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"

  2209. mjpegb_decoder_select="mjpeg_decoder"

  2210. mlp_decoder_select="mlp_parser"

  2211. motionpixels_decoder_select="bswapdsp"

  2212. mp1_decoder_select="mpegaudio"

  2213. mp1float_decoder_select="mpegaudio"

  2214. mp2_decoder_select="mpegaudio"

  2215. mp2float_decoder_select="mpegaudio"

  2216. mp3_decoder_select="mpegaudio"

  2217. mp3adu_decoder_select="mpegaudio"

  2218. mp3adufloat_decoder_select="mpegaudio"

  2219. mp3float_decoder_select="mpegaudio"

  2220. mp3on4_decoder_select="mpegaudio"

  2221. mp3on4float_decoder_select="mpegaudio"

  2222. mpc7_decoder_select="bswapdsp mpegaudiodsp"

  2223. mpc8_decoder_select="mpegaudiodsp"

  2224. mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"

  2225. mpeg_xvmc_decoder_select="mpeg2video_decoder"

  2226. mpegvideo_decoder_select="error_resilience mpeg_er mpegvideo"

  2227. mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"

  2228. mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2229. mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"

  2230. mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2231. mpeg4_decoder_select="h263_decoder mpeg4video_parser"

  2232. mpeg4_encoder_select="h263_encoder"

  2233. msmpeg4v1_decoder_select="h263_decoder"

  2234. msmpeg4v2_decoder_select="h263_decoder"

  2235. msmpeg4v2_encoder_select="h263_encoder"

  2236. msmpeg4v3_decoder_select="h263_decoder"

  2237. msmpeg4v3_encoder_select="h263_encoder"

  2238. mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"

  2239. mxpeg_decoder_select="mjpeg_decoder"

  2240. nellymoser_decoder_select="mdct sinewin"

  2241. nellymoser_encoder_select="audio_frame_queue mdct sinewin"

  2242. nuv_decoder_select="idctdsp lzo"

  2243. on2avc_decoder_select="mdct"

  2244. opus_decoder_deps="swresample"

  2245. opus_decoder_select="imdct15"

  2246. png_decoder_select="zlib"

  2247. png_encoder_select="huffyuvencdsp zlib"

  2248. prores_decoder_select="blockdsp idctdsp"

  2249. prores_encoder_select="fdctdsp"

  2250. qcelp_decoder_select="lsp"

  2251. qdm2_decoder_select="mdct rdft mpegaudiodsp"

  2252. ra_144_encoder_select="audio_frame_queue lpc audiodsp"

  2253. ra_144_decoder_select="audiodsp"

  2254. ralf_decoder_select="golomb"

  2255. rawvideo_decoder_select="bswapdsp"

  2256. rtjpeg_decoder_select="me_cmp"

  2257. rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"

  2258. rv10_encoder_select="h263_encoder"

  2259. rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"

  2260. rv20_encoder_select="h263_encoder"

  2261. rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"

  2262. rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"

  2263. shorten_decoder_select="golomb"

  2264. sipr_decoder_select="lsp"

  2265. snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"

  2266. snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"

  2267. sonic_decoder_select="golomb rangecoder"

  2268. sonic_encoder_select="golomb rangecoder"

  2269. sonic_ls_encoder_select="golomb rangecoder"

  2270. sp5x_decoder_select="mjpeg_decoder"

  2271. svq1_decoder_select="hpeldsp"

  2272. svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"

  2273. svq3_decoder_select="h264_decoder hpeldsp tpeldsp"

  2274. svq3_decoder_suggest="zlib"

  2275. tak_decoder_select="audiodsp"

  2276. tdsc_decoder_select="zlib mjpeg_decoder"

  2277. theora_decoder_select="vp3_decoder"

  2278. thp_decoder_select="mjpeg_decoder"

  2279. tiff_decoder_suggest="zlib lzma"

  2280. tiff_encoder_suggest="zlib"

  2281. truehd_decoder_select="mlp_parser"

  2282. truemotion2_decoder_select="bswapdsp"

  2283. truespeech_decoder_select="bswapdsp"

  2284. tscc_decoder_select="zlib"

  2285. twinvq_decoder_select="mdct lsp sinewin"

  2286. utvideo_decoder_select="bswapdsp"

  2287. utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"

  2288. vble_decoder_select="huffyuvdsp"

  2289. vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode"

  2290. vc1image_decoder_select="vc1_decoder"

  2291. vorbis_decoder_select="mdct"

  2292. vorbis_encoder_select="mdct"

  2293. vp3_decoder_select="hpeldsp vp3dsp videodsp"

  2294. vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"

  2295. vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"

  2296. vp6a_decoder_select="vp6_decoder"

  2297. vp6f_decoder_select="vp6_decoder"

  2298. vp7_decoder_select="h264pred videodsp"

  2299. vp8_decoder_select="h264pred videodsp"

  2300. vp9_decoder_select="videodsp vp9_parser"

  2301. webp_decoder_select="vp8_decoder"

  2302. wmalossless_decoder_select="llauddsp"

  2303. wmapro_decoder_select="mdct sinewin wma_freqs"

  2304. wmav1_decoder_select="mdct sinewin wma_freqs"

  2305. wmav1_encoder_select="mdct sinewin wma_freqs"

  2306. wmav2_decoder_select="mdct sinewin wma_freqs"

  2307. wmav2_encoder_select="mdct sinewin wma_freqs"

  2308. wmavoice_decoder_select="lsp rdft dct mdct sinewin"

  2309. wmv1_decoder_select="h263_decoder"

  2310. wmv1_encoder_select="h263_encoder"

  2311. wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp"

  2312. wmv2_encoder_select="h263_encoder"

  2313. wmv3_decoder_select="vc1_decoder"

  2314. wmv3image_decoder_select="wmv3_decoder"

  2315. zerocodec_decoder_select="zlib"

  2316. zlib_decoder_select="zlib"

  2317. zlib_encoder_select="zlib"

  2318. zmbv_decoder_select="zlib"

  2319. zmbv_encoder_select="zlib"

  2320. 

  2321. # hardware accelerators

  2322. crystalhd_deps="libcrystalhd_libcrystalhd_if_h"

  2323. d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"

  2324. dxva2_deps="dxva2api_h"

  2325. vaapi_deps="va_va_h"

  2326. vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"

  2327. vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"

  2328. vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"

  2329. xvmc_deps="X11_extensions_XvMClib_h"

  2330. 

  2331. h263_vaapi_hwaccel_deps="vaapi"

  2332. h263_vaapi_hwaccel_select="h263_decoder"

  2333. h263_vdpau_hwaccel_deps="vdpau"

  2334. h263_vdpau_hwaccel_select="h263_decoder"

  2335. h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"

  2336. h264_d3d11va_hwaccel_deps="d3d11va"

  2337. h264_d3d11va_hwaccel_select="h264_decoder"

  2338. h264_dxva2_hwaccel_deps="dxva2"

  2339. h264_dxva2_hwaccel_select="h264_decoder"

  2340. h264_mmal_decoder_deps="mmal"

  2341. h264_mmal_hwaccel_deps="mmal"

  2342. h264_mmal_decoder_select="h264_decoder"

  2343. h264_mmal_encoder_deps="mmal"

  2344. h264_qsv_hwaccel_deps="libmfx"

  2345. h264_vaapi_hwaccel_deps="vaapi"

  2346. h264_vaapi_hwaccel_select="h264_decoder"

  2347. h264_vda_decoder_deps="vda"

  2348. h264_vda_decoder_select="h264_decoder"

  2349. h264_vda_hwaccel_deps="vda"

  2350. h264_vda_hwaccel_select="h264_decoder"

  2351. h264_vda_old_hwaccel_deps="vda"

  2352. h264_vda_old_hwaccel_select="h264_decoder"

  2353. h264_vdpau_decoder_deps="vdpau"

  2354. h264_vdpau_decoder_select="h264_decoder"

  2355. h264_vdpau_hwaccel_deps="vdpau"

  2356. h264_vdpau_hwaccel_select="h264_decoder"

  2357. hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"

  2358. hevc_d3d11va_hwaccel_select="hevc_decoder"

  2359. hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"

  2360. hevc_dxva2_hwaccel_select="hevc_decoder"

  2361. mpeg_vdpau_decoder_deps="vdpau"

  2362. mpeg_vdpau_decoder_select="mpeg2video_decoder"

  2363. mpeg_xvmc_hwaccel_deps="xvmc"

  2364. mpeg_xvmc_hwaccel_select="mpeg2video_decoder"

  2365. mpeg1_vdpau_decoder_deps="vdpau"

  2366. mpeg1_vdpau_decoder_select="mpeg1video_decoder"

  2367. mpeg1_vdpau_hwaccel_deps="vdpau"

  2368. mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"

  2369. mpeg1_xvmc_hwaccel_deps="xvmc"

  2370. mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"

  2371. mpeg2_crystalhd_decoder_select="crystalhd"

  2372. mpeg2_d3d11va_hwaccel_deps="d3d11va"

  2373. mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"

  2374. mpeg2_dxva2_hwaccel_deps="dxva2"

  2375. mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"

  2376. mpeg2_vaapi_hwaccel_deps="vaapi"

  2377. mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"

  2378. mpeg2_vdpau_hwaccel_deps="vdpau"

  2379. mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"

  2380. mpeg2_xvmc_hwaccel_deps="xvmc"

  2381. mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"

  2382. mpeg4_crystalhd_decoder_select="crystalhd"

  2383. mpeg4_vaapi_hwaccel_deps="vaapi"

  2384. mpeg4_vaapi_hwaccel_select="mpeg4_decoder"

  2385. mpeg4_vdpau_decoder_deps="vdpau"

  2386. mpeg4_vdpau_decoder_select="mpeg4_decoder"

  2387. mpeg4_vdpau_hwaccel_deps="vdpau"

  2388. mpeg4_vdpau_hwaccel_select="mpeg4_decoder"

  2389. msmpeg4_crystalhd_decoder_select="crystalhd"

  2390. vc1_crystalhd_decoder_select="crystalhd"

  2391. vc1_d3d11va_hwaccel_deps="d3d11va"

  2392. vc1_d3d11va_hwaccel_select="vc1_decoder"

  2393. vc1_dxva2_hwaccel_deps="dxva2"

  2394. vc1_dxva2_hwaccel_select="vc1_decoder"

  2395. vc1_vaapi_hwaccel_deps="vaapi"

  2396. vc1_vaapi_hwaccel_select="vc1_decoder"

  2397. vc1_vdpau_decoder_deps="vdpau"

  2398. vc1_vdpau_decoder_select="vc1_decoder"

  2399. vc1_vdpau_hwaccel_deps="vdpau"

  2400. vc1_vdpau_hwaccel_select="vc1_decoder"

  2401. wmv3_crystalhd_decoder_select="crystalhd"

  2402. wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"

  2403. wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"

  2404. wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"

  2405. wmv3_vdpau_decoder_select="vc1_vdpau_decoder"

  2406. wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"

  2407. 

  2408. # parsers

  2409. h264_parser_select="h264_decoder"

  2410. hevc_parser_select="hevc_decoder"

  2411. mpegvideo_parser_select="mpegvideo"

  2412. mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"

  2413. vc1_parser_select="mpegvideo startcode vc1_decoder"

  2414. 

  2415. # bitstream_filters

  2416. mjpeg2jpeg_bsf_select="jpegtables"

  2417. 

  2418. # external libraries

  2419. libaacplus_encoder_deps="libaacplus"

  2420. libcelt_decoder_deps="libcelt"

  2421. libdcadec_decoder_deps="libdcadec"

  2422. libfaac_encoder_deps="libfaac"

  2423. libfaac_encoder_select="audio_frame_queue"

  2424. libfdk_aac_decoder_deps="libfdk_aac"

  2425. libfdk_aac_encoder_deps="libfdk_aac"

  2426. libfdk_aac_encoder_select="audio_frame_queue"

  2427. libgme_demuxer_deps="libgme"

  2428. libgsm_decoder_deps="libgsm"

  2429. libgsm_encoder_deps="libgsm"

  2430. libgsm_ms_decoder_deps="libgsm"

  2431. libgsm_ms_encoder_deps="libgsm"

  2432. libilbc_decoder_deps="libilbc"

  2433. libilbc_encoder_deps="libilbc"

  2434. libmodplug_demuxer_deps="libmodplug"

  2435. libmp3lame_encoder_deps="libmp3lame"

  2436. libmp3lame_encoder_select="audio_frame_queue"

  2437. libopencore_amrnb_decoder_deps="libopencore_amrnb"

  2438. libopencore_amrnb_encoder_deps="libopencore_amrnb"

  2439. libopencore_amrnb_encoder_select="audio_frame_queue"

  2440. libopencore_amrwb_decoder_deps="libopencore_amrwb"

  2441. libopenh264_encoder_deps="libopenh264"

  2442. libopenjpeg_decoder_deps="libopenjpeg"

  2443. libopenjpeg_encoder_deps="libopenjpeg"

  2444. libopus_decoder_deps="libopus"

  2445. libopus_encoder_deps="libopus"

  2446. libopus_encoder_select="audio_frame_queue"

  2447. libquvi_demuxer_deps="libquvi"

  2448. libschroedinger_decoder_deps="libschroedinger"

  2449. libschroedinger_encoder_deps="libschroedinger"

  2450. libshine_encoder_deps="libshine"

  2451. libshine_encoder_select="audio_frame_queue"

  2452. libspeex_decoder_deps="libspeex"

  2453. libspeex_encoder_deps="libspeex"

  2454. libspeex_encoder_select="audio_frame_queue"

  2455. libstagefright_h264_decoder_deps="libstagefright_h264"

  2456. libtheora_encoder_deps="libtheora"

  2457. libtwolame_encoder_deps="libtwolame"

  2458. libvo_aacenc_encoder_deps="libvo_aacenc"

  2459. libvo_aacenc_encoder_select="audio_frame_queue"

  2460. libvo_amrwbenc_encoder_deps="libvo_amrwbenc"

  2461. libvorbis_decoder_deps="libvorbis"

  2462. libvorbis_encoder_deps="libvorbis"

  2463. libvorbis_encoder_select="audio_frame_queue"

  2464. libvpx_vp8_decoder_deps="libvpx"

  2465. libvpx_vp8_encoder_deps="libvpx"

  2466. libvpx_vp9_decoder_deps="libvpx"

  2467. libvpx_vp9_encoder_deps="libvpx"

  2468. libwavpack_encoder_deps="libwavpack"

  2469. libwebp_encoder_deps="libwebp"

  2470. libwebp_anim_encoder_deps="libwebp"

  2471. libx264_encoder_deps="libx264"

  2472. libx264rgb_encoder_deps="libx264"

  2473. libx264rgb_encoder_select="libx264_encoder"

  2474. libx265_encoder_deps="libx265"

  2475. libxavs_encoder_deps="libxavs"

  2476. libxvid_encoder_deps="libxvid"

  2477. libutvideo_decoder_deps="libutvideo"

  2478. libutvideo_encoder_deps="libutvideo"

  2479. libzvbi_teletext_decoder_deps="libzvbi"

  2480. nvenc_encoder_deps="nvenc"

  2481. nvenc_h265_encoder_deps="nvenc"

  2482. 

  2483. # demuxers / muxers

  2484. ac3_demuxer_select="ac3_parser"

  2485. asf_demuxer_select="riffdec"

  2486. asf_muxer_select="riffenc"

  2487. asf_stream_muxer_select="asf_muxer"

  2488. avi_demuxer_select="riffdec exif"

  2489. avi_muxer_select="riffenc"

  2490. avisynth_demuxer_deps="avisynth"

  2491. avisynth_demuxer_select="riffdec"

  2492. caf_demuxer_select="riffdec"

  2493. dash_muxer_select="mp4_muxer"

  2494. dirac_demuxer_select="dirac_parser"

  2495. dts_demuxer_select="dca_parser"

  2496. dtshd_demuxer_select="dca_parser"

  2497. dv_demuxer_select="dvprofile"

  2498. dv_muxer_select="dvprofile"

  2499. dxa_demuxer_select="riffdec"

  2500. eac3_demuxer_select="ac3_parser"

  2501. f4v_muxer_select="mov_muxer"

  2502. flac_demuxer_select="flac_parser"

  2503. hds_muxer_select="flv_muxer"

  2504. hls_muxer_select="mpegts_muxer"

  2505. image2_alias_pix_demuxer_select="image2_demuxer"

  2506. image2_brender_pix_demuxer_select="image2_demuxer"

  2507. ipod_muxer_select="mov_muxer"

  2508. ismv_muxer_select="mov_muxer"

  2509. libnut_demuxer_deps="libnut"

  2510. libnut_muxer_deps="libnut"

  2511. matroska_audio_muxer_select="matroska_muxer"

  2512. matroska_demuxer_select="riffdec"

  2513. matroska_demuxer_suggest="bzlib lzo zlib"

  2514. matroska_muxer_select="riffenc"

  2515. mmf_muxer_select="riffenc"

  2516. mov_demuxer_select="riffdec"

  2517. mov_demuxer_suggest="zlib"

  2518. mov_muxer_select="riffenc rtpenc_chain"

  2519. mp3_demuxer_select="mpegaudio_parser"

  2520. mp4_muxer_select="mov_muxer"

  2521. mpegts_muxer_select="adts_muxer latm_muxer"

  2522. mpegtsraw_demuxer_select="mpegts_demuxer"

  2523. mxf_d10_muxer_select="mxf_muxer"

  2524. mxf_opatom_muxer_select="mxf_muxer"

  2525. nut_muxer_select="riffenc"

  2526. nuv_demuxer_select="riffdec"

  2527. oga_muxer_select="ogg_muxer"

  2528. ogg_demuxer_select="golomb"

  2529. opus_muxer_select="ogg_muxer"

  2530. psp_muxer_select="mov_muxer"

  2531. rtp_demuxer_select="sdp_demuxer"

  2532. rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"

  2533. rtsp_demuxer_select="http_protocol rtpdec"

  2534. rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"

  2535. sap_demuxer_select="sdp_demuxer"

  2536. sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"

  2537. sdp_demuxer_select="rtpdec"

  2538. smoothstreaming_muxer_select="ismv_muxer"

  2539. spdif_muxer_select="aac_parser"

  2540. spx_muxer_select="ogg_muxer"

  2541. tak_demuxer_select="tak_parser"

  2542. tg2_muxer_select="mov_muxer"

  2543. tgp_muxer_select="mov_muxer"

  2544. vobsub_demuxer_select="mpegps_demuxer"

  2545. w64_demuxer_select="wav_demuxer"

  2546. w64_muxer_select="wav_muxer"

  2547. wav_demuxer_select="riffdec"

  2548. wav_muxer_select="riffenc"

  2549. webm_muxer_select="riffenc"

  2550. wtv_demuxer_select="riffdec"

  2551. wtv_muxer_select="riffenc"

  2552. xmv_demuxer_select="riffdec"

  2553. xwma_demuxer_select="riffdec"

  2554. 

  2555. # indevs / outdevs

  2556. alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"

  2557. alsa_outdev_deps="alsa_asoundlib_h"

  2558. avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"

  2559. avfoundation_indev_select="avfoundation"

  2560. bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"

  2561. caca_outdev_deps="libcaca"

  2562. decklink_outdev_deps="decklink pthreads"

  2563. decklink_outdev_extralibs="-lstdc++"

  2564. decklink_indev_deps="decklink pthreads"

  2565. decklink_indev_extralibs="-lstdc++"

  2566. dshow_indev_deps="IBaseFilter"

  2567. dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"

  2568. dv1394_indev_deps="dv1394"

  2569. dv1394_indev_select="dv_demuxer"

  2570. fbdev_indev_deps="linux_fb_h"

  2571. fbdev_outdev_deps="linux_fb_h"

  2572. gdigrab_indev_deps="CreateDIBSection"

  2573. gdigrab_indev_extralibs="-lgdi32"

  2574. gdigrab_indev_select="bmp_decoder"

  2575. iec61883_indev_deps="libiec61883"

  2576. jack_indev_deps="jack_jack_h sem_timedwait"

  2577. lavfi_indev_deps="avfilter"

  2578. libcdio_indev_deps="libcdio"

  2579. libdc1394_indev_deps="libdc1394"

  2580. libv4l2_indev_deps="libv4l2"

  2581. openal_indev_deps="openal"

  2582. opengl_outdev_deps="opengl"

  2583. oss_indev_deps_any="soundcard_h sys_soundcard_h"

  2584. oss_outdev_deps_any="soundcard_h sys_soundcard_h"

  2585. pulse_indev_deps="libpulse"

  2586. pulse_outdev_deps="libpulse"

  2587. qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"

  2588. qtkit_indev_select="qtkit"

  2589. sdl_outdev_deps="sdl"

  2590. sndio_indev_deps="sndio_h"

  2591. sndio_outdev_deps="sndio_h"

  2592. v4l_indev_deps="linux_videodev_h"

  2593. v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"

  2594. v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"

  2595. vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"

  2596. vfwcap_indev_extralibs="-lavicap32"

  2597. xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"

  2598. xv_outdev_extralibs="-lXv -lX11 -lXext"

  2599. x11grab_indev_deps="x11grab"

  2600. x11grab_xcb_indev_deps="libxcb"

  2601. 

  2602. # protocols

  2603. bluray_protocol_deps="libbluray"

  2604. ffrtmpcrypt_protocol_deps="!librtmp_protocol"

  2605. ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"

  2606. ffrtmpcrypt_protocol_select="tcp_protocol"

  2607. ffrtmphttp_protocol_deps="!librtmp_protocol"

  2608. ffrtmphttp_protocol_select="http_protocol"

  2609. ftp_protocol_select="tcp_protocol"

  2610. gopher_protocol_select="network"

  2611. http_protocol_select="tcp_protocol"

  2612. httpproxy_protocol_select="tcp_protocol"

  2613. https_protocol_select="tls_protocol"

  2614. icecast_protocol_select="http_protocol"

  2615. librtmp_protocol_deps="librtmp"

  2616. librtmpe_protocol_deps="librtmp"

  2617. librtmps_protocol_deps="librtmp"

  2618. librtmpt_protocol_deps="librtmp"

  2619. librtmpte_protocol_deps="librtmp"

  2620. libsmbclient_protocol_deps="libsmbclient gplv3"

  2621. libssh_protocol_deps="libssh"

  2622. mmsh_protocol_select="http_protocol"

  2623. mmst_protocol_select="network"

  2624. rtmp_protocol_deps="!librtmp_protocol"

  2625. rtmp_protocol_select="tcp_protocol"

  2626. rtmpe_protocol_select="ffrtmpcrypt_protocol"

  2627. rtmps_protocol_deps="!librtmp_protocol"

  2628. rtmps_protocol_select="tls_protocol"

  2629. rtmpt_protocol_select="ffrtmphttp_protocol"

  2630. rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"

  2631. rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"

  2632. rtp_protocol_select="udp_protocol"

  2633. sctp_protocol_deps="struct_sctp_event_subscribe"

  2634. sctp_protocol_select="network"

  2635. srtp_protocol_select="rtp_protocol"

  2636. tcp_protocol_select="network"

  2637. tls_gnutls_protocol_deps="gnutls"

  2638. tls_openssl_protocol_deps="openssl !tls_gnutls_protocol"

  2639. tls_protocol_deps_any="tls_gnutls_protocol tls_openssl_protocol"

  2640. tls_protocol_select="tcp_protocol"

  2641. udp_protocol_select="network"

  2642. udplite_protocol_select="network"

  2643. unix_protocol_deps="sys_un_h"

  2644. unix_protocol_select="network"

  2645. 

  2646. # filters

  2647. amovie_filter_deps="avcodec avformat"

  2648. aresample_filter_deps="swresample"

  2649. ass_filter_deps="libass"

  2650. asyncts_filter_deps="avresample"

  2651. atempo_filter_deps="avcodec"

  2652. atempo_filter_select="rdft"

  2653. azmq_filter_deps="libzmq"

  2654. blackframe_filter_deps="gpl"

  2655. boxblur_filter_deps="gpl"

  2656. bs2b_filter_deps="libbs2b"

  2657. colormatrix_filter_deps="gpl"

  2658. cover_rect_filter_deps="avcodec avformat gpl"

  2659. cropdetect_filter_deps="gpl"

  2660. delogo_filter_deps="gpl"

  2661. deshake_filter_select="pixelutils"

  2662. drawtext_filter_deps="libfreetype"

  2663. ebur128_filter_deps="gpl"

  2664. eq_filter_deps="gpl"

  2665. fftfilt_filter_deps="avcodec"

  2666. fftfilt_filter_select="rdft"

  2667. flite_filter_deps="libflite"

  2668. find_rect_filter_deps="avcodec avformat gpl"

  2669. frei0r_filter_deps="frei0r dlopen"

  2670. frei0r_src_filter_deps="frei0r dlopen"

  2671. fspp_filter_deps="gpl"

  2672. geq_filter_deps="gpl"

  2673. histeq_filter_deps="gpl"

  2674. hqdn3d_filter_deps="gpl"

  2675. interlace_filter_deps="gpl"

  2676. kerndeint_filter_deps="gpl"

  2677. ladspa_filter_deps="ladspa dlopen"

  2678. mcdeint_filter_deps="avcodec gpl"

  2679. movie_filter_deps="avcodec avformat"

  2680. mpdecimate_filter_deps="gpl"

  2681. mpdecimate_filter_select="pixelutils"

  2682. mptestsrc_filter_deps="gpl"

  2683. negate_filter_deps="lut_filter"

  2684. perspective_filter_deps="gpl"

  2685. pp7_filter_deps="gpl"

  2686. ocv_filter_deps="libopencv"

  2687. owdenoise_filter_deps="gpl"

  2688. pan_filter_deps="swresample"

  2689. phase_filter_deps="gpl"

  2690. pp_filter_deps="gpl postproc"

  2691. pullup_filter_deps="gpl"

  2692. removelogo_filter_deps="avcodec avformat swscale"

  2693. repeatfields_filter_deps="gpl"

  2694. resample_filter_deps="avresample"

  2695. sab_filter_deps="gpl swscale"

  2696. scale_filter_deps="swscale"

  2697. select_filter_select="pixelutils"

  2698. smartblur_filter_deps="gpl swscale"

  2699. showspectrum_filter_deps="avcodec"

  2700. showspectrum_filter_select="rdft"

  2701. spp_filter_deps="gpl avcodec"

  2702. spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"

  2703. stereo3d_filter_deps="gpl"

  2704. subtitles_filter_deps="avformat avcodec libass"

  2705. super2xsai_filter_deps="gpl"

  2706. tinterlace_filter_deps="gpl"

  2707. vidstabdetect_filter_deps="libvidstab"

  2708. vidstabtransform_filter_deps="libvidstab"

  2709. pixfmts_super2xsai_test_deps="super2xsai_filter"

  2710. tinterlace_merge_test_deps="tinterlace_filter"

  2711. tinterlace_pad_test_deps="tinterlace_filter"

  2712. uspp_filter_deps="gpl avcodec"

  2713. zmq_filter_deps="libzmq"

  2714. zoompan_filter_deps="swscale"

  2715. 

  2716. # examples

  2717. avio_reading="avformat avcodec avutil"

  2718. avio_list_dir="avformat avutil"

  2719. avcodec_example_deps="avcodec avutil"

  2720. decoding_encoding_example_deps="avcodec avformat avutil"

  2721. demuxing_decoding_example_deps="avcodec avformat avutil"

  2722. extract_mvs_example_deps="avcodec avformat avutil"

  2723. filter_audio_example_deps="avfilter avutil"

  2724. filtering_audio_example_deps="avfilter avcodec avformat avutil"

  2725. filtering_video_example_deps="avfilter avcodec avformat avutil"

  2726. metadata_example_deps="avformat avutil"

  2727. muxing_example_deps="avcodec avformat avutil swscale"

  2728. qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"

  2729. remuxing_example_deps="avcodec avformat avutil"

  2730. resampling_audio_example_deps="avutil swresample"

  2731. scaling_video_example_deps="avutil swscale"

  2732. transcode_aac_example_deps="avcodec avformat swresample"

  2733. transcoding_example_deps="avfilter avcodec avformat avutil"

  2734. 

  2735. # libraries, in linking order

  2736. avcodec_deps="avutil"

  2737. avdevice_deps="avformat avcodec avutil"

  2738. avfilter_deps="avutil"

  2739. avformat_deps="avcodec avutil"

  2740. avresample_deps="avutil"

  2741. postproc_deps="avutil gpl"

  2742. swresample_deps="avutil"

  2743. swscale_deps="avutil"

  2744. 

  2745. # programs

  2746. ffmpeg_deps="avcodec avfilter avformat swresample"

  2747. ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter

  2748.                null_filter

  2749.                setpts_filter trim_filter"

  2750. ffplay_deps="avcodec avformat swscale swresample sdl"

  2751. ffplay_libs='$sdl_libs'

  2752. ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"

  2753. ffprobe_deps="avcodec avformat"

  2754. ffserver_deps="avformat fork sarestart"

  2755. ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"

  2756. 

  2757. # documentation

  2758. podpages_deps="perl"

  2759. manpages_deps="perl pod2man"

  2760. htmlpages_deps="perl"

  2761. htmlpages_deps_any="makeinfo_html texi2html"

  2762. txtpages_deps="perl makeinfo"

  2763. doc_deps_any="manpages htmlpages podpages txtpages"

  2764. 

  2765. # default parameters

  2766. 

  2767. logfile="config.log"

  2768. 

  2769. # installation paths

  2770. prefix_default="/usr/local"

  2771. bindir_default='${prefix}/bin'

  2772. datadir_default='${prefix}/share/ffmpeg'

  2773. docdir_default='${prefix}/share/doc/ffmpeg'

  2774. incdir_default='${prefix}/include'

  2775. libdir_default='${prefix}/lib'

  2776. mandir_default='${prefix}/share/man'

  2777. 

  2778. # toolchain

  2779. ar_default="ar"

  2780. cc_default="gcc"

  2781. cxx_default="g++"

  2782. host_cc_default="gcc"

  2783. cp_f="cp -f"

  2784. doxygen_default="doxygen"

  2785. install="install"

  2786. ln_s="ln -s -f"

  2787. nm_default="nm -g"

  2788. objformat="elf"

  2789. pkg_config_default=pkg-config

  2790. if ranlib 2>&1 | grep -q "\-D "; then

  2791.     ranlib_default="ranlib -D"

  2792. else

  2793.     ranlib_default="ranlib"

  2794. fi

  2795. strip_default="strip"

  2796. yasmexe_default="yasm"

  2797. windres_default="windres"

  2798. 

  2799. # OS

  2800. target_os_default=$(tolower $(uname -s))

  2801. host_os=$target_os_default

  2802. 

  2803. # machine

  2804. if test "$target_os_default" = aix; then

  2805.     arch_default=$(uname -p)

  2806.     strip_default="strip -X32_64"

  2807. else

  2808.     arch_default=$(uname -m)

  2809. fi

  2810. cpu="generic"

  2811. intrinsics="none"

  2812. 

  2813. # configurable options

  2814. enable $PROGRAM_LIST

  2815. enable $DOCUMENT_LIST

  2816. enable $EXAMPLE_LIST

  2817. enable $(filter_out avresample $LIBRARY_LIST)

  2818. enable stripping

  2819. 

  2820. enable asm

  2821. enable debug

  2822. enable doc

  2823. enable faan faandct faanidct

  2824. enable optimizations

  2825. enable runtime_cpudetect

  2826. enable safe_bitstream_reader

  2827. enable static

  2828. enable swscale_alpha

  2829. enable valgrind_backtrace

  2830. 

  2831. sws_max_filter_size_default=256

  2832. set_default sws_max_filter_size

  2833. 

  2834. # Enable hwaccels by default.

  2835. enable d3d11va dxva2 vaapi vda vdpau xvmc

  2836. enable xlib

  2837. 

  2838. # build settings

  2839. SHFLAGS='-shared -Wl,-soname,$$(@F)'

  2840. LIBPREF="lib"

  2841. LIBSUF=".a"

  2842. FULLNAME='$(NAME)$(BUILDSUF)'

  2843. LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'

  2844. SLIBPREF="lib"

  2845. SLIBSUF=".so"

  2846. SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'

  2847. SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'

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

  2849. LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'

  2850. SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'

  2851. SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'

  2852. 

  2853. asflags_filter=echo

  2854. cflags_filter=echo

  2855. ldflags_filter=echo

  2856. 

  2857. AS_C='-c'

  2858. AS_O='-o $@'

  2859. CC_C='-c'

  2860. CC_E='-E -o $@'

  2861. CC_O='-o $@'

  2862. CXX_C='-c'

  2863. CXX_O='-o $@'

  2864. LD_O='-o $@'

  2865. LD_LIB='-l%'

  2866. LD_PATH='-L'

  2867. HOSTCC_C='-c'

  2868. HOSTCC_E='-E -o $@'

  2869. HOSTCC_O='-o $@'

  2870. HOSTLD_O='-o $@'

  2871. 

  2872. host_libs='-lm'

  2873. host_cflags_filter=echo

  2874. host_ldflags_filter=echo

  2875. 

  2876. target_path='$(CURDIR)'

  2877. 

  2878. # since the object filename is not given with the -MM flag, the compiler

  2879. # is only able to print the basename, and we must add the path ourselves

  2880. DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'

  2881. DEPFLAGS='-MM'

  2882. 

  2883. # find source path

  2884. if test -f configure; then

  2885.     source_path=.

  2886. else

  2887.     source_path=$(cd $(dirname "$0"); pwd)

  2888.     echo "$source_path" | grep -q '[[:blank:]]' &&

  2889.         die "Out of tree builds are impossible with whitespace in source path."

  2890.     test -e "$source_path/config.h" &&

  2891.         die "Out of tree builds are impossible with config.h in source dir."

  2892. fi

  2893. 

  2894. for v in "$@"; do

  2895.     r=${v#*=}

  2896.     l=${v%"$r"}

  2897.     r=$(sh_quote "$r")

  2898.     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"

  2899. done

  2900. 

  2901. find_things(){

  2902.     thing=$1

  2903.     pattern=$2

  2904.     file=$source_path/$3

  2905.     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"

  2906. }

  2907. 

  2908. ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)

  2909. DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)

  2910. HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)

  2911. PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)

  2912. BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)

  2913. MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)

  2914. DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)

  2915. OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)

  2916. INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)

  2917. PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)

  2918. FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)

  2919. 

  2920. ALL_COMPONENTS="

  2921.     $BSF_LIST

  2922.     $DECODER_LIST

  2923.     $DEMUXER_LIST

  2924.     $ENCODER_LIST

  2925.     $FILTER_LIST

  2926.     $HWACCEL_LIST

  2927.     $INDEV_LIST

  2928.     $MUXER_LIST

  2929.     $OUTDEV_LIST

  2930.     $PARSER_LIST

  2931.     $PROTOCOL_LIST

  2932. "

  2933. 

  2934. for n in $COMPONENT_LIST; do

  2935.     v=$(toupper ${n%s})_LIST

  2936.     eval enable \$$v

  2937.     eval ${n}_if_any="\$$v"

  2938. done

  2939. 

  2940. enable $ARCH_EXT_LIST

  2941. 

  2942. die_unknown(){

  2943.     echo "Unknown option \"$1\"."

  2944.     echo "See $0 --help for available options."

  2945.     exit 1

  2946. }

  2947. 

  2948. print_3_columns() {

  2949.     cat | tr ' ' '\n' | sort | pr -r -3 -t

  2950. }

  2951. 

  2952. show_list() {

  2953.     suffix=_$1

  2954.     shift

  2955.     echo $* | sed s/$suffix//g | print_3_columns

  2956.     exit 0

  2957. }

  2958. 

  2959. rand_list(){

  2960.     IFS=', '

  2961.     set -- $*

  2962.     unset IFS

  2963.     for thing; do

  2964.         comp=${thing%:*}

  2965.         prob=${thing#$comp}

  2966.         prob=${prob#:}

  2967.         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST

  2968.         echo "prob ${prob:-0.5}"

  2969.         printf '%s\n' $comp

  2970.     done

  2971. }

  2972. 

  2973. do_random(){

  2974.     action=$1

  2975.     shift

  2976.     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")

  2977.     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")

  2978. }

  2979. 

  2980. for opt do

  2981.     optval="${opt#*=}"

  2982.     case "$opt" in

  2983.         --extra-ldflags=*)

  2984.             add_ldflags $optval

  2985.         ;;

  2986.         --extra-ldexeflags=*)

  2987.             add_ldexeflags $optval

  2988.         ;;

  2989.         --extra-libs=*)

  2990.             add_extralibs $optval

  2991.         ;;

  2992.         --disable-devices)

  2993.             disable $INDEV_LIST $OUTDEV_LIST

  2994.         ;;

  2995.         --enable-debug=*)

  2996.             debuglevel="$optval"

  2997.         ;;

  2998.         --disable-programs)

  2999.             disable $PROGRAM_LIST

  3000.         ;;

  3001.         --disable-everything)

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

  3003.         ;;

  3004.         --disable-all)

  3005.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3006.             disable $LIBRARY_LIST $PROGRAM_LIST doc

  3007.         ;;

  3008.         --enable-random|--disable-random)

  3009.             action=${opt%%-random}

  3010.             do_random ${action#--} $COMPONENT_LIST

  3011.         ;;

  3012.         --enable-random=*|--disable-random=*)

  3013.             action=${opt%%-random=*}

  3014.             do_random ${action#--} $optval

  3015.         ;;

  3016.         --enable-*=*|--disable-*=*)

  3017.             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')

  3018.             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"

  3019.             eval list=\$$(toupper $thing)_LIST

  3020.             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}

  3021.             list=$(filter "$name" $list)

  3022.             [ "$list" = "" ] && warn "Option $opt did not match anything"

  3023.             $action $list

  3024.         ;;

  3025.         --enable-?*|--disable-?*)

  3026.             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')

  3027.             if is_in $option $COMPONENT_LIST; then

  3028.                 test $action = disable && action=unset

  3029.                 eval $action \$$(toupper ${option%s})_LIST

  3030.             elif is_in $option $CMDLINE_SELECT; then

  3031.                 $action $option

  3032.             else

  3033.                 die_unknown $opt

  3034.             fi

  3035.         ;;

  3036.         --list-*)

  3037.             NAME="${opt#--list-}"

  3038.             is_in $NAME $COMPONENT_LIST || die_unknown $opt

  3039.             NAME=${NAME%s}

  3040.             eval show_list $NAME \$$(toupper $NAME)_LIST

  3041.         ;;

  3042.         --help|-h) show_help

  3043.         ;;

  3044.         --fatal-warnings) enable fatal_warnings

  3045.         ;;

  3046.         *)

  3047.             optname="${opt%%=*}"

  3048.             optname="${optname#--}"

  3049.             optname=$(echo "$optname" | sed 's/-/_/g')

  3050.             if is_in $optname $CMDLINE_SET; then

  3051.                 eval $optname='$optval'

  3052.             elif is_in $optname $CMDLINE_APPEND; then

  3053.                 append $optname "$optval"

  3054.             else

  3055.                 die_unknown $opt

  3056.             fi

  3057.         ;;

  3058.     esac

  3059. done

  3060. 

  3061. disabled logging && logfile=/dev/null

  3062. 

  3063. echo "# $0 $FFMPEG_CONFIGURATION" > $logfile

  3064. set >> $logfile

  3065. 

  3066. test -n "$valgrind" && toolchain="valgrind-memcheck"

  3067. 

  3068. case "$toolchain" in

  3069.     clang-asan)

  3070.         cc_default="clang"

  3071.         add_cflags  -fsanitize=address

  3072.         add_ldflags -fsanitize=address

  3073.     ;;

  3074.     clang-tsan)

  3075.         cc_default="clang"

  3076.         add_cflags  -fsanitize=thread -pie

  3077.         add_ldflags -fsanitize=thread -pie

  3078.     ;;

  3079.     clang-usan)

  3080.         cc_default="clang"

  3081.         add_cflags  -fsanitize=undefined

  3082.         add_ldflags -fsanitize=undefined

  3083.     ;;

  3084.     gcc-asan)

  3085.         cc_default="gcc"

  3086.         add_cflags  -fsanitize=address

  3087.         add_ldflags -fsanitize=address

  3088.     ;;

  3089.     gcc-tsan)

  3090.         cc_default="gcc"

  3091.         add_cflags  -fsanitize=thread -pie -fPIC

  3092.         add_ldflags -fsanitize=thread -pie -fPIC

  3093.     ;;

  3094.     gcc-usan)

  3095.         cc_default="gcc"

  3096.         add_cflags  -fsanitize=undefined

  3097.         add_ldflags -fsanitize=undefined

  3098.     ;;

  3099.     valgrind-massif)

  3100.         target_exec_default=${valgrind:-"valgrind"}

  3101.         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"

  3102.     ;;

  3103.     valgrind-memcheck)

  3104.         target_exec_default=${valgrind:-"valgrind"}

  3105.         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"

  3106.     ;;

  3107.     msvc)

  3108.         # Check whether the current MSVC version needs the C99 converter.

  3109.         # From MSVC 2013 (compiler major version 18) onwards, it does actually

  3110.         # support enough of C99 to build ffmpeg. Default to the new

  3111.         # behaviour if the regexp was unable to match anything, since this

  3112.         # successfully parses the version number of existing supported

  3113.         # versions that require the converter (MSVC 2010 and 2012).

  3114.         cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')

  3115.         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then

  3116.             cc_default="cl"

  3117.         else

  3118.             cc_default="c99wrap cl"

  3119.         fi

  3120.         ld_default="link"

  3121.         nm_default="dumpbin -symbols"

  3122.         ar_default="lib"

  3123.         target_os_default="win32"

  3124.         # Use a relative path for TMPDIR. This makes sure all the

  3125.         # ffconf temp files are written with a relative path, avoiding

  3126.         # issues with msys/win32 path conversion for MSVC parameters

  3127.         # such as -Fo<file> or -out:<file>.

  3128.         TMPDIR=.

  3129.     ;;

  3130.     icl)

  3131.         cc_default="icl"

  3132.         ld_default="xilink"

  3133.         nm_default="dumpbin -symbols"

  3134.         ar_default="xilib"

  3135.         target_os_default="win32"

  3136.         TMPDIR=.

  3137.     ;;

  3138.     gcov)

  3139.         add_cflags  -fprofile-arcs -ftest-coverage

  3140.         add_ldflags -fprofile-arcs -ftest-coverage

  3141.     ;;

  3142.     hardened)

  3143.         add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2

  3144.         add_cflags   -fno-strict-overflow -fstack-protector-all

  3145.         add_ldflags  -Wl,-z,relro -Wl,-z,now

  3146.     ;;

  3147.     ?*)

  3148.         die "Unknown toolchain $toolchain"

  3149.     ;;

  3150. esac

  3151. 

  3152. test -n "$cross_prefix" && enable cross_compile

  3153. 

  3154. if enabled cross_compile; then

  3155.     test -n "$arch" && test -n "$target_os" ||

  3156.         die "Must specify target arch and OS when cross-compiling"

  3157. fi

  3158. 

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

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

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

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

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

  3164. ranlib_default="${cross_prefix}${ranlib_default}"

  3165. strip_default="${cross_prefix}${strip_default}"

  3166. windres_default="${cross_prefix}${windres_default}"

  3167. 

  3168. sysinclude_default="${sysroot}/usr/include"

  3169. 

  3170. set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \

  3171.     target_exec target_os yasmexe

  3172. enabled cross_compile || host_cc_default=$cc

  3173. set_default host_cc

  3174. 

  3175. pkg_config_fail_message=""

  3176. if ! $pkg_config --version >/dev/null 2>&1; then

  3177.     warn "$pkg_config not found, library detection may fail."

  3178.     pkg_config=false

  3179. elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then

  3180.     pkg_config_fail_message="

  3181. Note: When building a static binary, add --pkg-config-flags=\"--static\"."

  3182. fi

  3183. 

  3184. if test $doxygen != $doxygen_default && \

  3185.   ! $doxygen --version >/dev/null 2>&1; then

  3186.     warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."

  3187. fi

  3188. 

  3189. exesuf() {

  3190.     case $1 in

  3191.         mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;

  3192.     esac

  3193. }

  3194. 

  3195. EXESUF=$(exesuf $target_os)

  3196. HOSTEXESUF=$(exesuf $host_os)

  3197. 

  3198. # set temporary file name

  3199. : ${TMPDIR:=$TEMPDIR}

  3200. : ${TMPDIR:=$TMP}

  3201. : ${TMPDIR:=/tmp}

  3202. 

  3203. if [ -n "$tempprefix" ] ; then

  3204.     mktemp(){

  3205.         echo $tempprefix.${HOSTNAME}.${UID}

  3206.     }

  3207. elif ! check_cmd mktemp -u XXXXXX; then

  3208.     # simple replacement for missing mktemp

  3209.     # NOT SAFE FOR GENERAL USE

  3210.     mktemp(){

  3211.         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"

  3212.     }

  3213. fi

  3214. 

  3215. tmpfile(){

  3216.     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&

  3217.         (set -C; exec > $tmp) 2>/dev/null ||

  3218.         die "Unable to create temporary file in $TMPDIR."

  3219.     append TMPFILES $tmp

  3220.     eval $1=$tmp

  3221. }

  3222. 

  3223. trap 'rm -f -- $TMPFILES' EXIT

  3224. 

  3225. tmpfile TMPASM .asm

  3226. tmpfile TMPC   .c

  3227. tmpfile TMPCPP .cpp

  3228. tmpfile TMPE   $EXESUF

  3229. tmpfile TMPH   .h

  3230. tmpfile TMPM   .m

  3231. tmpfile TMPO   .o

  3232. tmpfile TMPS   .S

  3233. tmpfile TMPSH  .sh

  3234. tmpfile TMPV   .ver

  3235. 

  3236. unset -f mktemp

  3237. 

  3238. chmod +x $TMPE

  3239. 

  3240. # make sure we can execute files in $TMPDIR

  3241. cat > $TMPSH 2>> $logfile <<EOF

  3242. #! /bin/sh

  3243. EOF

  3244. chmod +x $TMPSH >> $logfile 2>&1

  3245. if ! $TMPSH >> $logfile 2>&1; then

  3246.     cat <<EOF

  3247. Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment

  3248. variable to another directory and make sure that it is not mounted noexec.

  3249. EOF

  3250.     die "Sanity test failed."

  3251. fi

  3252. 

  3253. armasm_flags(){

  3254.     for flag; do

  3255.         case $flag in

  3256.             # Filter out MSVC cl.exe options from cflags that shouldn't

  3257.             # be passed to gas-preprocessor

  3258.             -M[TD]*)                                            ;;

  3259.             *)                  echo $flag                      ;;

  3260.         esac

  3261.    done

  3262. }

  3263. 

  3264. ccc_flags(){

  3265.     for flag; do

  3266.         case $flag in

  3267.             -std=c99)           echo -c99                       ;;

  3268.             -mcpu=*)            echo -arch ${flag#*=}           ;;

  3269.             -mieee)             echo -ieee                      ;;

  3270.             -O*|-fast)          echo $flag                      ;;

  3271.             -fno-math-errno)    echo -assume nomath_errno       ;;

  3272.             -g)                 echo -g3                        ;;

  3273.             -Wall)              echo -msg_enable level2         ;;

  3274.             -Wno-pointer-sign)  echo -msg_disable ptrmismatch1  ;;

  3275.             -Wl,*)              echo $flag                      ;;

  3276.             -f*|-W*)                                            ;;

  3277.             *)                  echo $flag                      ;;

  3278.         esac

  3279.    done

  3280. }

  3281. 

  3282. cparser_flags(){

  3283.     for flag; do

  3284.         case $flag in

  3285.             -Wno-switch)             echo -Wno-switch-enum ;;

  3286.             -Wno-format-zero-length) ;;

  3287.             -Wdisabled-optimization) ;;

  3288.             -Wno-pointer-sign)       echo -Wno-other ;;

  3289.             *)                       echo $flag ;;

  3290.         esac

  3291.     done

  3292. }

  3293. 

  3294. msvc_common_flags(){

  3295.     for flag; do

  3296.         case $flag in

  3297.             # In addition to specifying certain flags under the compiler

  3298.             # specific filters, they must be specified here as well or else the

  3299.             # generic catch all at the bottom will print the original flag.

  3300.             -Wall)                ;;

  3301.             -std=c99)             ;;

  3302.             # Common flags

  3303.             -fomit-frame-pointer) ;;

  3304.             -g)                   echo -Z7 ;;

  3305.             -fno-math-errno)      ;;

  3306.             -fno-common)          ;;

  3307.             -fno-signed-zeros)    ;;

  3308.             -fPIC)                ;;

  3309.             -mthumb)              ;;

  3310.             -march=*)             ;;

  3311.             -lz)                  echo zlib.lib ;;

  3312.             -lavifil32)           echo vfw32.lib ;;

  3313.             -lavicap32)           echo vfw32.lib user32.lib ;;

  3314.             -l*)                  echo ${flag#-l}.lib ;;

  3315.             -L*)                  echo -libpath:${flag#-L} ;;

  3316.             *)                    echo $flag ;;

  3317.         esac

  3318.     done

  3319. }

  3320. 

  3321. msvc_flags(){

  3322.     msvc_common_flags "$@"

  3323.     for flag; do

  3324.         case $flag in

  3325.             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389     \

  3326.                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \

  3327.                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \

  3328.                                        -wd4307 \

  3329.                                        -wd4273 -wd4554 -wd4701 ;;

  3330.         esac

  3331.     done

  3332. }

  3333. 

  3334. icl_flags(){

  3335.     msvc_common_flags "$@"

  3336.     for flag; do

  3337.         case $flag in

  3338.             # Despite what Intel's documentation says -Wall, which is supported

  3339.             # on Windows, does enable remarks so disable them here.

  3340.             -Wall)                echo $flag -Qdiag-disable:remark ;;

  3341.             -std=c99)             echo -Qstd=c99 ;;

  3342.             -flto)                echo -ipo ;;

  3343.         esac

  3344.     done

  3345. }

  3346. 

  3347. icc_flags(){

  3348.     for flag; do

  3349.         case $flag in

  3350.             -flto)                echo -ipo ;;

  3351.             *)                    echo $flag ;;

  3352.         esac

  3353.     done

  3354. }

  3355. 

  3356. pgi_flags(){

  3357.     for flag; do

  3358.         case $flag in

  3359.             -flto)                echo -Mipa=fast,libopt,libinline,vestigial ;;

  3360.             -fomit-frame-pointer) echo -Mnoframe ;;

  3361.             -g)                   echo -gopt ;;

  3362.             *)                    echo $flag ;;

  3363.         esac

  3364.     done

  3365. }

  3366. 

  3367. suncc_flags(){

  3368.     for flag; do

  3369.         case $flag in

  3370.             -march=*|-mcpu=*)

  3371.                 case "${flag#*=}" in

  3372.                     native)                   echo -xtarget=native       ;;

  3373.                     v9|niagara)               echo -xarch=sparc          ;;

  3374.                     ultrasparc)               echo -xarch=sparcvis       ;;

  3375.                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;

  3376.                     i586|pentium)             echo -xchip=pentium        ;;

  3377.                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;

  3378.                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;

  3379.                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;

  3380.                     pentium4*)          echo -xtarget=pentium4           ;;

  3381.                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;

  3382.                     *-sse3)             echo -xarch=sse3                 ;;

  3383.                     core2)              echo -xarch=ssse3 -xchip=core2   ;;

  3384.                     bonnell)                   echo -xarch=ssse3         ;;

  3385.                     corei7|nehalem)            echo -xtarget=nehalem     ;;

  3386.                     westmere)                  echo -xtarget=westmere    ;;

  3387.                     silvermont)                echo -xarch=sse4_2        ;;

  3388.                     corei7-avx|sandybridge)    echo -xtarget=sandybridge ;;

  3389.                     core-avx*|ivybridge|haswell|broadwell)

  3390.                                                echo -xarch=avx           ;;

  3391.                     amdfam10|barcelona)        echo -xtarget=barcelona   ;;

  3392.                     btver1)                    echo -xarch=amdsse4a      ;;

  3393.                     btver2|bdver*)             echo -xarch=avx           ;;

  3394.                     athlon-4|athlon-[mx]p)     echo -xarch=ssea          ;;

  3395.                     k8|opteron|athlon64|athlon-fx)

  3396.                                                echo -xarch=sse2a         ;;

  3397.                     athlon*)                   echo -xarch=pentium_proa  ;;

  3398.                 esac

  3399.                 ;;

  3400.             -std=c99)             echo -xc99              ;;

  3401.             -fomit-frame-pointer) echo -xregs=frameptr    ;;

  3402.             -fPIC)                echo -KPIC -xcode=pic32 ;;

  3403.             -W*,*)                echo $flag              ;;

  3404.             -f*-*|-W*|-mimpure-text)                      ;;

  3405.             -shared)              echo -G                 ;;

  3406.             *)                    echo $flag              ;;

  3407.         esac

  3408.     done

  3409. }

  3410. 

  3411. tms470_flags(){

  3412.     for flag; do

  3413.         case $flag in

  3414.             -march=*|-mcpu=*)

  3415.                 case "${flag#*=}" in

  3416.                     armv7-a|cortex-a*)      echo -mv=7a8 ;;

  3417.                     armv7-r|cortex-r*)      echo -mv=7r4 ;;

  3418.                     armv7-m|cortex-m*)      echo -mv=7m3 ;;

  3419.                     armv6*|arm11*)          echo -mv=6   ;;

  3420.                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])

  3421.                                             echo -mv=5e  ;;

  3422.                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;

  3423.                 esac

  3424.                 ;;

  3425.             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;

  3426.             -mfpu=vfp)      echo --float_support=vfpv2        ;;

  3427.             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;

  3428.             -mfpu=vfpv3-d16) echo --float_support=vfpv3d16    ;;

  3429.             -msoft-float)   echo --float_support=vfplib       ;;

  3430.             -O[0-3]|-mf=*)  echo $flag                        ;;

  3431.             -g)             echo -g -mn                       ;;

  3432.             -pds=*)         echo $flag                        ;;

  3433.             -D*|-I*)        echo $flag                        ;;

  3434.             --gcc|--abi=*)  echo $flag                        ;;

  3435.             -me)            echo $flag                        ;;

  3436.         esac

  3437.     done

  3438. }

  3439. 

  3440. probe_cc(){

  3441.     pfx=$1

  3442.     _cc=$2

  3443. 

  3444.     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags

  3445.     unset _ld_o _ldflags _ld_lib _ld_path

  3446.     unset _depflags _DEPCMD _DEPFLAGS

  3447.     _flags_filter=echo

  3448. 

  3449.     if $_cc --version 2>&1 | grep -q '^GNU assembler'; then

  3450.         true # no-op to avoid reading stdin in following checks

  3451.     elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then

  3452.         _type=llvm_gcc

  3453.         gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')

  3454.         _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"

  3455.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3456.         _cflags_speed='-O3'

  3457.         _cflags_size='-Os'

  3458.     elif $_cc -v 2>&1 | grep -qi ^gcc; then

  3459.         _type=gcc

  3460.         gcc_version=$($_cc --version | head -n1)

  3461.         gcc_basever=$($_cc -dumpversion)

  3462.         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')

  3463.         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")

  3464.         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")

  3465.         if ! $_cc -dumpversion | grep -q '^2\.'; then

  3466.             _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3467.         fi

  3468.         _cflags_speed='-O3'

  3469.         _cflags_size='-Os'

  3470.     elif $_cc --version 2>/dev/null | grep -q ^icc; then

  3471.         _type=icc

  3472.         _ident=$($_cc --version | head -n1)

  3473.         _depflags='-MMD'

  3474.         _cflags_speed='-O3'

  3475.         _cflags_size='-Os'

  3476.         _cflags_noopt='-O1'

  3477.         _flags_filter=icc_flags

  3478.     elif $_cc -v 2>&1 | grep -q xlc; then

  3479.         _type=xlc

  3480.         _ident=$($_cc -qversion 2>/dev/null | head -n1)

  3481.         _cflags_speed='-O5'

  3482.         _cflags_size='-O5 -qcompact'

  3483.     elif $_cc -V 2>/dev/null | grep -q Compaq; then

  3484.         _type=ccc

  3485.         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)

  3486.         _DEPFLAGS='-M'

  3487.         _cflags_speed='-fast'

  3488.         _cflags_size='-O1'

  3489.         _flags_filter=ccc_flags

  3490.     elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then

  3491.         test -d "$sysroot" || die "No valid sysroot specified."

  3492.         _type=armcc

  3493.         _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')

  3494.         armcc_conf="$PWD/armcc.conf"

  3495.         $_cc --arm_linux_configure                 \

  3496.              --arm_linux_config_file="$armcc_conf" \

  3497.              --configure_sysroot="$sysroot"        \

  3498.              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||

  3499.              die "Error creating armcc configuration file."

  3500.         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc

  3501.         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"

  3502.         as_default="${cross_prefix}gcc"

  3503.         _depflags='-MMD'

  3504.         _cflags_speed='-O3'

  3505.         _cflags_size='-Os'

  3506.     elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then

  3507.         _type=tms470

  3508.         _ident=$($_cc -version | head -n1 | tr -s ' ')

  3509.         _flags='--gcc --abi=eabi -me'

  3510.         _cc_e='-ppl -fe=$@'

  3511.         _cc_o='-fe=$@'

  3512.         _depflags='-ppa -ppd=$(@:.o=.d)'

  3513.         _cflags_speed='-O3 -mf=5'

  3514.         _cflags_size='-O3 -mf=2'

  3515.         _flags_filter=tms470_flags

  3516.     elif $_cc -v 2>&1 | grep -q clang; then

  3517.         _type=clang

  3518.         _ident=$($_cc --version | head -n1)

  3519.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3520.         _cflags_speed='-O3'

  3521.         _cflags_size='-Os'

  3522.     elif $_cc -V 2>&1 | grep -q Sun; then

  3523.         _type=suncc

  3524.         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)

  3525.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'

  3526.         _DEPFLAGS='-xM1 -xc99'

  3527.         _ldflags='-std=c99'

  3528.         _cflags_speed='-O5'

  3529.         _cflags_size='-O5 -xspace'

  3530.         _flags_filter=suncc_flags

  3531.     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then

  3532.         _type=pathscale

  3533.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  3534.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3535.         _cflags_speed='-O2'

  3536.         _cflags_size='-Os'

  3537.         _flags_filter='filter_out -Wdisabled-optimization'

  3538.     elif $_cc -v 2>&1 | grep -q Open64; then

  3539.         _type=open64

  3540.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  3541.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3542.         _cflags_speed='-O2'

  3543.         _cflags_size='-Os'

  3544.         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'

  3545.     elif $_cc -V 2>&1 | grep -q Portland; then

  3546.         _type=pgi

  3547.         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"

  3548.         opt_common='-alias=ansi -Mdse -Mlre -Mpre'

  3549.         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"

  3550.         _cflags_size="-O2 -Munroll=c:1 $opt_common"

  3551.         _cflags_noopt="-O"

  3552.         _flags_filter=pgi_flags

  3553.     elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then

  3554.         _type=armasm

  3555.         _ident=$($_cc | head -n1)

  3556.         # 4509: "This form of conditional instruction is deprecated"

  3557.         _flags="-nologo -ignore 4509"

  3558.         _flags_filter=armasm_flags

  3559.     elif $_cc 2>&1 | grep -q Intel; then

  3560.         _type=icl

  3561.         _ident=$($_cc 2>&1 | head -n1)

  3562.         _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'

  3563.         # Not only is O3 broken on 13.x+ but it is slower on all previous

  3564.         # versions (tested) as well.

  3565.         _cflags_speed="-O2"

  3566.         _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff

  3567.         if $_cc 2>&1 | grep -q Linker; then

  3568.             _ld_o='-out:$@'

  3569.         else

  3570.             _ld_o='-Fe$@'

  3571.         fi

  3572.         _cc_o='-Fo$@'

  3573.         _cc_e='-P'

  3574.         _flags_filter=icl_flags

  3575.         _ld_lib='lib%.a'

  3576.         _ld_path='-libpath:'

  3577.         # -Qdiag-error to make icl error when seeing certain unknown arguments

  3578.         _flags='-nologo -Qdiag-error:4044,10157'

  3579.         # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency

  3580.         # with MSVC which enables it by default.

  3581.         _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS -fp:precise'

  3582.         if [ $pfx = hostcc ]; then

  3583.             append _cflags -Dsnprintf=_snprintf

  3584.         fi

  3585.         disable stripping

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

  3587.         _type=msvc

  3588.         _ident=$($_cc 2>&1 | head -n1)

  3589.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'

  3590.         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'

  3591.         _cflags_speed="-O2"

  3592.         _cflags_size="-O1"

  3593.         if $_cc 2>&1 | grep -q Linker; then

  3594.             _ld_o='-out:$@'

  3595.         else

  3596.             _ld_o='-Fe$@'

  3597.         fi

  3598.         _cc_o='-Fo$@'

  3599.         _cc_e='-P -Fi$@'

  3600.         _flags_filter=msvc_flags

  3601.         _ld_lib='lib%.a'

  3602.         _ld_path='-libpath:'

  3603.         _flags='-nologo'

  3604.         _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'

  3605.         if [ $pfx = hostcc ]; then

  3606.             if [ -z "$cl_major_ver" ] || [ $cl_major_ver -le 18 ]; then

  3607.                 append _cflags -Dsnprintf=_snprintf

  3608.             fi

  3609.         fi

  3610.         disable stripping

  3611.     elif $_cc --version 2>/dev/null | grep -q ^cparser; then

  3612.         _type=cparser

  3613.         _ident=$($_cc --version | head -n1)

  3614.         _depflags='-MMD'

  3615.         _cflags_speed='-O4'

  3616.         _cflags_size='-O2'

  3617.         _flags_filter=cparser_flags

  3618.     fi

  3619. 

  3620.     eval ${pfx}_type=\$_type

  3621.     eval ${pfx}_ident=\$_ident

  3622. }

  3623. 

  3624. set_ccvars(){

  3625.     eval ${1}_C=\${_cc_c-\${${1}_C}}

  3626.     eval ${1}_E=\${_cc_e-\${${1}_E}}

  3627.     eval ${1}_O=\${_cc_o-\${${1}_O}}

  3628. 

  3629.     if [ -n "$_depflags" ]; then

  3630.         eval ${1}_DEPFLAGS=\$_depflags

  3631.     else

  3632.         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}

  3633.         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}

  3634.         eval DEP${1}FLAGS=\$_flags

  3635.     fi

  3636. }

  3637. 

  3638. probe_cc cc "$cc"

  3639. cflags_filter=$_flags_filter

  3640. cflags_speed=$_cflags_speed

  3641. cflags_size=$_cflags_size

  3642. cflags_noopt=$_cflags_noopt

  3643. add_cflags $_flags $_cflags

  3644. cc_ldflags=$_ldflags

  3645. set_ccvars CC

  3646. 

  3647. probe_cc hostcc "$host_cc"

  3648. host_cflags_filter=$_flags_filter

  3649. add_host_cflags  $_flags $_cflags

  3650. set_ccvars HOSTCC

  3651. 

  3652. test -n "$cc_type" && enable $cc_type ||

  3653.     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"

  3654. 

  3655. : ${as_default:=$cc}

  3656. : ${dep_cc_default:=$cc}

  3657. : ${ld_default:=$cc}

  3658. : ${host_ld_default:=$host_cc}

  3659. set_default ar as dep_cc ld host_ld windres

  3660. 

  3661. probe_cc as "$as"

  3662. asflags_filter=$_flags_filter

  3663. add_asflags $_flags $_cflags

  3664. set_ccvars AS

  3665. 

  3666. probe_cc ld "$ld"

  3667. ldflags_filter=$_flags_filter

  3668. add_ldflags $_flags $_ldflags

  3669. test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags

  3670. LD_O=${_ld_o-$LD_O}

  3671. LD_LIB=${_ld_lib-$LD_LIB}

  3672. LD_PATH=${_ld_path-$LD_PATH}

  3673. 

  3674. probe_cc hostld "$host_ld"

  3675. host_ldflags_filter=$_flags_filter

  3676. add_host_ldflags $_flags $_ldflags

  3677. HOSTLD_O=${_ld_o-$HOSTLD_O}

  3678. 

  3679. if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then

  3680.     probe_cc depcc "$dep_cc"

  3681.     CCDEP=${_DEPCMD:-$DEPCMD}

  3682.     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}

  3683.     DEPCCFLAGS=$_flags

  3684. fi

  3685. 

  3686. if $ar 2>&1 | grep -q Microsoft; then

  3687.     arflags="-nologo"

  3688.     ar_o='-out:$@'

  3689. elif $ar 2>&1 | grep -q 'Texas Instruments'; then

  3690.     arflags="rq"

  3691.     ar_o='$@'

  3692. elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then

  3693.     arflags='-Xany -r -c'

  3694.     ar_o='$@'

  3695. elif $ar 2>&1 | grep -q "\[D\] "; then

  3696.     arflags="rcD"

  3697.     ar_o='$@'

  3698. else

  3699.     arflags="rc"

  3700.     ar_o='$@'

  3701. fi

  3702. 

  3703. add_cflags $extra_cflags

  3704. add_cxxflags $extra_cxxflags

  3705. add_asflags $extra_cflags

  3706. 

  3707. if test -n "$sysroot"; then

  3708.     case "$cc_type" in

  3709.         gcc|llvm_gcc|clang)

  3710.             add_cppflags --sysroot="$sysroot"

  3711.             add_ldflags --sysroot="$sysroot"

  3712. # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking

  3713.             add_cppflags -isysroot "$sysroot"

  3714.             add_ldflags -isysroot "$sysroot"

  3715.         ;;

  3716.         tms470)

  3717.             add_cppflags -I"$sysinclude"

  3718.             add_ldflags  --sysroot="$sysroot"

  3719.         ;;

  3720.     esac

  3721. fi

  3722. 

  3723. if test "$cpu" = host; then

  3724.     enabled cross_compile &&

  3725.         die "--cpu=host makes no sense when cross-compiling."

  3726. 

  3727.     case "$cc_type" in

  3728.         gcc|llvm_gcc)

  3729.             check_native(){

  3730.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  3731.                 sed -n "/cc1.*$1=/{

  3732.                             s/.*$1=\\([^ ]*\\).*/\\1/

  3733.                             p

  3734.                             q

  3735.                         }" $TMPE

  3736.             }

  3737.             cpu=$(check_native -march || check_native -mcpu)

  3738.         ;;

  3739.     esac

  3740. 

  3741.     test "${cpu:-host}" = host &&

  3742.         die "--cpu=host not supported with compiler $cc"

  3743. fi

  3744. 

  3745. # Deal with common $arch aliases

  3746. case "$arch" in

  3747.     aarch64|arm64)

  3748.         arch="aarch64"

  3749.     ;;

  3750.     arm*|iPad*|iPhone*)

  3751.         arch="arm"

  3752.     ;;

  3753.     mips*|IP*)

  3754.         arch="mips"

  3755.     ;;

  3756.     parisc*|hppa*)

  3757.         arch="parisc"

  3758.     ;;

  3759.     "Power Macintosh"|ppc*|powerpc*)

  3760.         arch="ppc"

  3761.     ;;

  3762.     s390|s390x)

  3763.         arch="s390"

  3764.     ;;

  3765.     sh4|sh)

  3766.         arch="sh4"

  3767.     ;;

  3768.     sun4u|sparc*)

  3769.         arch="sparc"

  3770.     ;;

  3771.     tilegx|tile-gx)

  3772.         arch="tilegx"

  3773.     ;;

  3774.     i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)

  3775.         arch="x86"

  3776.     ;;

  3777. esac

  3778. 

  3779. is_in $arch $ARCH_LIST || warn "unknown architecture $arch"

  3780. enable $arch

  3781. 

  3782. # Add processor-specific flags

  3783. if enabled aarch64; then

  3784. 

  3785.     case $cpu in

  3786.         armv*)

  3787.             cpuflags="-march=$cpu"

  3788.         ;;

  3789.         *)

  3790.             cpuflags="-mcpu=$cpu"

  3791.         ;;

  3792.     esac

  3793. 

  3794. elif enabled alpha; then

  3795. 

  3796.     cpuflags="-mcpu=$cpu"

  3797. 

  3798. elif enabled arm; then

  3799. 

  3800.     check_arm_arch() {

  3801.         check_cpp_condition stddef.h \

  3802.             "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \

  3803.             $cpuflags

  3804.     }

  3805. 

  3806.     probe_arm_arch() {

  3807.         if   check_arm_arch 4;        then echo armv4;

  3808.         elif check_arm_arch 4T;       then echo armv4t;

  3809.         elif check_arm_arch 5;        then echo armv5;

  3810.         elif check_arm_arch 5E;       then echo armv5e;

  3811.         elif check_arm_arch 5T;       then echo armv5t;

  3812.         elif check_arm_arch 5TE;      then echo armv5te;

  3813.         elif check_arm_arch 5TEJ;     then echo armv5te;

  3814.         elif check_arm_arch 6;        then echo armv6;

  3815.         elif check_arm_arch 6J;       then echo armv6j;

  3816.         elif check_arm_arch 6K;       then echo armv6k;

  3817.         elif check_arm_arch 6Z;       then echo armv6z;

  3818.         elif check_arm_arch 6ZK;      then echo armv6zk;

  3819.         elif check_arm_arch 6T2;      then echo armv6t2;

  3820.         elif check_arm_arch 7;        then echo armv7;

  3821.         elif check_arm_arch 7A  7_A;  then echo armv7-a;

  3822.         elif check_arm_arch 7S;       then echo armv7-a;

  3823.         elif check_arm_arch 7R  7_R;  then echo armv7-r;

  3824.         elif check_arm_arch 7M  7_M;  then echo armv7-m;

  3825.         elif check_arm_arch 7EM 7E_M; then echo armv7-m;

  3826.         elif check_arm_arch 8A  8_A;  then echo armv8-a;

  3827.         fi

  3828.     }

  3829. 

  3830.     [ "$cpu" = generic ] && cpu=$(probe_arm_arch)

  3831. 

  3832.     case $cpu in

  3833.         armv*)

  3834.             cpuflags="-march=$cpu"

  3835.             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')

  3836.         ;;

  3837.         *)

  3838.             cpuflags="-mcpu=$cpu"

  3839.             case $cpu in

  3840.                 cortex-a*)                               subarch=armv7a  ;;

  3841.                 cortex-r*)                               subarch=armv7r  ;;

  3842.                 cortex-m*)                 enable thumb; subarch=armv7m  ;;

  3843.                 arm11*)                                  subarch=armv6   ;;

  3844.                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;

  3845.                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;

  3846.                 *)                             subarch=$(probe_arm_arch) ;;

  3847.             esac

  3848.         ;;

  3849.     esac

  3850. 

  3851.     case "$subarch" in

  3852.         armv5t*)    enable fast_clz                ;;

  3853.         armv[6-8]*)

  3854.             enable fast_clz

  3855.             disabled fast_unaligned || enable fast_unaligned

  3856.             ;;

  3857.     esac

  3858. 

  3859. elif enabled avr32; then

  3860. 

  3861.     case $cpu in

  3862.         ap7[02]0[0-2])

  3863.             subarch="avr32_ap"

  3864.             cpuflags="-mpart=$cpu"

  3865.         ;;

  3866.         ap)

  3867.             subarch="avr32_ap"

  3868.             cpuflags="-march=$cpu"

  3869.         ;;

  3870.         uc3[ab]*)

  3871.             subarch="avr32_uc"

  3872.             cpuflags="-mcpu=$cpu"

  3873.         ;;

  3874.         uc)

  3875.             subarch="avr32_uc"

  3876.             cpuflags="-march=$cpu"

  3877.         ;;

  3878.     esac

  3879. 

  3880. elif enabled bfin; then

  3881. 

  3882.     cpuflags="-mcpu=$cpu"

  3883. 

  3884. elif enabled mips; then

  3885. 

  3886.     cpuflags="-march=$cpu"

  3887. 

  3888.     case $cpu in

  3889.         24kc)

  3890.             disable mips32r5

  3891.             disable mips64r6

  3892.             disable mipsfpu

  3893.             disable mipsdspr1

  3894.             disable mipsdspr2

  3895.             disable msa

  3896.         ;;

  3897.         24kf*)

  3898.             disable mips32r5

  3899.             disable mips64r6

  3900.             disable mipsdspr1

  3901.             disable mipsdspr2

  3902.             disable msa

  3903.         ;;

  3904.         24kec|34kc|1004kc)

  3905.             disable mips32r5

  3906.             disable mips64r6

  3907.             disable mipsfpu

  3908.             disable mipsdspr2

  3909.             disable msa

  3910.         ;;

  3911.         24kef*|34kf*|1004kf*)

  3912.             disable mips32r5

  3913.             disable mips64r6

  3914.             disable mipsdspr2

  3915.             disable msa

  3916.         ;;

  3917.         74kc)

  3918.             disable mips32r5

  3919.             disable mips64r6

  3920.             disable mipsfpu

  3921.             disable msa

  3922.         ;;

  3923.         74kf)

  3924.             disable mips32r5

  3925.             disable mips64r6

  3926.             disable msa

  3927.         ;;

  3928.         p5600)

  3929.             disable mips64r6

  3930.             disable mipsdspr1

  3931.             disable mipsdspr2

  3932. 

  3933.             check_cflags "-mtune=p5600"

  3934.         ;;

  3935.         i6400)

  3936.             disable mips32r5

  3937.             disable mipsdspr1

  3938.             disable mipsdspr2

  3939.             disable mipsfpu

  3940. 

  3941.             check_cflags "-mtune=i6400 -mabi=64"

  3942.             check_ldflags "-mabi=64"

  3943.         ;;

  3944.         loongson3*)

  3945.             disable mipsfpu

  3946.             disable mips32r2

  3947.             disable mips32r5

  3948.             disable mips64r6

  3949.             disable mipsdspr1

  3950.             disable mipsdspr2

  3951.             disable msa

  3952.             enable local_aligned_8 local_aligned_16

  3953.             enable simd_align_16

  3954.             enable fast_64bit

  3955.             enable fast_clz

  3956.             enable fast_cmov

  3957.             enable fast_unaligned

  3958.             disable aligned_stack

  3959.             cpuflags="-march=loongson3a -mhard-float"

  3960.         ;;

  3961.         generic)

  3962.             disable mips32r5

  3963.             disable mips64r6

  3964.             disable msa

  3965.         ;;

  3966.     esac

  3967. 

  3968. elif enabled ppc; then

  3969. 

  3970.     disable ldbrx

  3971.     disable vsx

  3972. 

  3973.     case $(tolower $cpu) in

  3974.         601|ppc601|powerpc601)

  3975.             cpuflags="-mcpu=601"

  3976.             disable altivec

  3977.         ;;

  3978.         603*|ppc603*|powerpc603*)

  3979.             cpuflags="-mcpu=603"

  3980.             disable altivec

  3981.         ;;

  3982.         604*|ppc604*|powerpc604*)

  3983.             cpuflags="-mcpu=604"

  3984.             disable altivec

  3985.         ;;

  3986.         g3|75*|ppc75*|powerpc75*)

  3987.             cpuflags="-mcpu=750"

  3988.             disable altivec

  3989.         ;;

  3990.         g4|745*|ppc745*|powerpc745*)

  3991.             cpuflags="-mcpu=7450"

  3992.         ;;

  3993.         74*|ppc74*|powerpc74*)

  3994.             cpuflags="-mcpu=7400"

  3995.         ;;

  3996.         g5|970|ppc970|powerpc970)

  3997.             cpuflags="-mcpu=970"

  3998.         ;;

  3999.         power[3-8]*)

  4000.             cpuflags="-mcpu=$cpu"

  4001.         ;;

  4002.         cell)

  4003.             cpuflags="-mcpu=cell"

  4004.             enable ldbrx

  4005.         ;;

  4006.         e500mc)

  4007.             cpuflags="-mcpu=e500mc"

  4008.             disable altivec

  4009.         ;;

  4010.         e500v2)

  4011.             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"

  4012.             disable altivec

  4013.             disable dcbzl

  4014.         ;;

  4015.         e500)

  4016.             cpuflags="-mcpu=8540 -mhard-float"

  4017.             disable altivec

  4018.             disable dcbzl

  4019.         ;;

  4020.     esac

  4021. 

  4022. elif enabled sparc; then

  4023. 

  4024.     case $cpu in

  4025.         cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])

  4026.             cpuflags="-mcpu=$cpu"

  4027.         ;;

  4028.         ultrasparc*|niagara[234])

  4029.             cpuflags="-mcpu=$cpu"

  4030.         ;;

  4031.     esac

  4032. 

  4033. elif enabled x86; then

  4034. 

  4035.     case $cpu in

  4036.         i[345]86|pentium)

  4037.             cpuflags="-march=$cpu"

  4038.             disable i686

  4039.             disable mmx

  4040.         ;;

  4041.         # targets that do NOT support nopl and conditional mov (cmov)

  4042.         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)

  4043.             cpuflags="-march=$cpu"

  4044.             disable i686

  4045.         ;;

  4046.         # targets that do support nopl and conditional mov (cmov)

  4047.         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\

  4048.         |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)

  4049.             cpuflags="-march=$cpu"

  4050.             enable i686

  4051.             enable fast_cmov

  4052.         ;;

  4053.         # targets that do support conditional mov but on which it's slow

  4054.         pentium4|pentium4m|prescott|nocona)

  4055.             cpuflags="-march=$cpu"

  4056.             enable i686

  4057.             disable fast_cmov

  4058.         ;;

  4059.     esac

  4060. 

  4061. fi

  4062. 

  4063. if [ "$cpu" != generic ]; then

  4064.     add_cflags  $cpuflags

  4065.     add_asflags $cpuflags

  4066. fi

  4067. 

  4068. # compiler sanity check

  4069. check_exec <<EOF

  4070. int main(void){ return 0; }

  4071. EOF

  4072. if test "$?" != 0; then

  4073.     echo "$cc is unable to create an executable file."

  4074.     if test -z "$cross_prefix" && ! enabled cross_compile ; then

  4075.         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."

  4076.         echo "Only do this if you know what cross compiling means."

  4077.     fi

  4078.     die "C compiler test failed."

  4079. fi

  4080. 

  4081. add_cppflags -D_ISOC99_SOURCE

  4082. add_cxxflags -D__STDC_CONSTANT_MACROS

  4083. check_cflags -std=c99

  4084. check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64

  4085. #include <stdlib.h>

  4086. EOF

  4087. check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE

  4088. #include <stdlib.h>

  4089. EOF

  4090. 

  4091. add_host_cppflags -D_ISOC99_SOURCE

  4092. check_host_cflags -std=c99

  4093. check_host_cflags -Wall

  4094. check_host_cflags -O3

  4095. 

  4096. check_64bit(){

  4097.     arch32=$1

  4098.     arch64=$2

  4099.     expr=$3

  4100.     check_code cc "" "int test[2*($expr) - 1]" &&

  4101.         subarch=$arch64 || subarch=$arch32

  4102. }

  4103. 

  4104. case "$arch" in

  4105.     aarch64|alpha|ia64)

  4106.         spic=$shared

  4107.     ;;

  4108.     mips)

  4109.         check_64bit mips mips64 '_MIPS_SIM > 1'

  4110.         spic=$shared

  4111.     ;;

  4112.     parisc)

  4113.         check_64bit parisc parisc64 'sizeof(void *) > 4'

  4114.         spic=$shared

  4115.     ;;

  4116.     ppc)

  4117.         check_64bit ppc ppc64 'sizeof(void *) > 4'

  4118.         spic=$shared

  4119.     ;;

  4120.     s390)

  4121.         check_64bit s390 s390x 'sizeof(void *) > 4'

  4122.         spic=$shared

  4123.     ;;

  4124.     sparc)

  4125.         check_64bit sparc sparc64 'sizeof(void *) > 4'

  4126.         spic=$shared

  4127.     ;;

  4128.     x86)

  4129.         check_64bit x86_32 x86_64 'sizeof(void *) > 4'

  4130.         # Treat x32 as x64 for now. Note it also needs spic=$shared

  4131.         test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&

  4132.             subarch=x86_64

  4133.         if test "$subarch" = "x86_64"; then

  4134.             spic=$shared

  4135.         fi

  4136.     ;;

  4137.     ppc)

  4138.         check_cc <<EOF && subarch="ppc64"

  4139.         int test[(int)sizeof(char*) - 7];

  4140. EOF

  4141.     ;;

  4142. esac

  4143. 

  4144. enable $subarch

  4145. enabled spic && enable_weak pic

  4146. 

  4147. # OS specific

  4148. case $target_os in

  4149.     aix)

  4150.         SHFLAGS=-shared

  4151.         add_cppflags '-I\$(SRC_PATH)/compat/aix'

  4152.         enabled shared && add_ldflags -Wl,-brtl

  4153.         ;;

  4154.     android)

  4155.         disable symver

  4156.         enable section_data_rel_ro

  4157.         SLIB_INSTALL_NAME='$(SLIBNAME)'

  4158.         SLIB_INSTALL_LINKS=

  4159.         # soname not set on purpose

  4160.         SHFLAGS=-shared

  4161.         ;;

  4162.     haiku)

  4163.         prefix_default="/boot/common"

  4164.         network_extralibs="-lnetwork"

  4165.         host_libs=

  4166.         ;;

  4167.     sunos)

  4168.         SHFLAGS='-shared -Wl,-h,$$(@F)'

  4169.         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"

  4170.         network_extralibs="-lsocket -lnsl"

  4171.         add_cppflags -D__EXTENSIONS__

  4172.         # When using suncc to build, the Solaris linker will mark

  4173.         # an executable with each instruction set encountered by

  4174.         # the Solaris assembler.  As our libraries contain their own

  4175.         # guards for processor-specific code, instead suppress

  4176.         # generation of the HWCAPS ELF section on Solaris x86 only.

  4177.         enabled_all suncc x86 &&

  4178.             echo "hwcap_1 = OVERRIDE;" > mapfile &&

  4179.             add_ldflags -Wl,-M,mapfile

  4180.         nm_default='nm -P -g'

  4181.         ;;

  4182.     netbsd)

  4183.         disable symver

  4184.         oss_indev_extralibs="-lossaudio"

  4185.         oss_outdev_extralibs="-lossaudio"

  4186.         enabled gcc || check_ldflags -Wl,-zmuldefs

  4187.         ;;

  4188.     openbsd|bitrig)

  4189.         disable symver

  4190.         SHFLAGS='-shared'

  4191.         SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'

  4192.         SLIB_INSTALL_LINKS=

  4193.         oss_indev_extralibs="-lossaudio"

  4194.         oss_outdev_extralibs="-lossaudio"

  4195.         ;;

  4196.     dragonfly)

  4197.         disable symver

  4198.         ;;

  4199.     freebsd)

  4200.         ;;

  4201.     bsd/os)

  4202.         add_extralibs -lpoll -lgnugetopt

  4203.         strip="strip -d"

  4204.         ;;

  4205.     darwin)

  4206.         enabled ppc && add_asflags -force_cpusubtype_ALL

  4207.         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'

  4208.         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress

  4209.         strip="${strip} -x"

  4210.         add_ldflags -Wl,-dynamic,-search_paths_first

  4211.         SLIBSUF=".dylib"

  4212.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'

  4213.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'

  4214.         objformat="macho"

  4215.         enabled x86_64 && objformat="macho64"

  4216.         enabled_any pic shared x86_64 ||

  4217.             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }

  4218.         ;;

  4219.     mingw32*)

  4220.         if test $target_os = "mingw32ce"; then

  4221.             disable network

  4222.         else

  4223.             target_os=mingw32

  4224.         fi

  4225.         LIBTARGET=i386

  4226.         if enabled x86_64; then

  4227.             LIBTARGET="i386:x86-64"

  4228.         elif enabled arm; then

  4229.             LIBTARGET=arm-wince

  4230.         fi

  4231.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4232.         check_ldflags -Wl,--nxcompat

  4233.         check_ldflags -Wl,--dynamicbase

  4234.         enabled x86_32 && check_ldflags -Wl,--large-address-aware

  4235.         shlibdir_default="$bindir_default"

  4236.         SLIBPREF=""

  4237.         SLIBSUF=".dll"

  4238.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4239.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4240.         dlltool="${cross_prefix}dlltool"

  4241.         if check_cmd lib.exe -list; then

  4242.             SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4243.             if enabled x86_64; then

  4244.                 LIBTARGET=x64

  4245.             fi

  4246.         elif check_cmd $dlltool --version; then

  4247.             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)'

  4248.         fi

  4249.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4250.         SLIB_INSTALL_LINKS=

  4251.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4252.         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4253.         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'

  4254.         objformat="win32"

  4255.         ranlib=:

  4256.         enable dos_paths

  4257.         ;;

  4258.     win32|win64)

  4259.         disable symver

  4260.         if enabled shared; then

  4261.             # Link to the import library instead of the normal static library

  4262.             # for shared libs.

  4263.             LD_LIB='%.lib'

  4264.             # Cannot build both shared and static libs with MSVC or icl.

  4265.             disable static

  4266.         fi

  4267.         enabled x86_32 && check_ldflags -LARGEADDRESSAWARE

  4268.         shlibdir_default="$bindir_default"

  4269.         SLIBPREF=""

  4270.         SLIBSUF=".dll"

  4271.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4272.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4273.         SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'

  4274.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4275.         SLIB_INSTALL_LINKS=

  4276.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4277.         SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4278.         SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4279.         objformat="win32"

  4280.         ranlib=:

  4281.         enable dos_paths

  4282.         ;;

  4283.     cygwin*)

  4284.         target_os=cygwin

  4285.         shlibdir_default="$bindir_default"

  4286.         SLIBPREF="cyg"

  4287.         SLIBSUF=".dll"

  4288.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4289.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4290.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4291.         SLIB_INSTALL_LINKS=

  4292.         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'

  4293.         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'

  4294.         objformat="win32"

  4295.         enable dos_paths

  4296.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4297.         ;;

  4298.     *-dos|freedos|opendos)

  4299.         network_extralibs="-lsocket"

  4300.         objformat="coff"

  4301.         enable dos_paths

  4302.         add_cppflags -U__STRICT_ANSI__

  4303.         ;;

  4304.     linux)

  4305.         enable dv1394

  4306.         enable section_data_rel_ro

  4307.         ;;

  4308.     irix*)

  4309.         target_os=irix

  4310.         ranlib="echo ignoring ranlib"

  4311.         ;;

  4312.     os/2*)

  4313.         strip="lxlite -CS"

  4314.         ln_s="cp -f"

  4315.         objformat="aout"

  4316.         add_cppflags -D_GNU_SOURCE

  4317.         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap

  4318.         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'

  4319.         LIBSUF="_s.a"

  4320.         SLIBPREF=""

  4321.         SLIBSUF=".dll"

  4322.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'

  4323.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'

  4324.         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \

  4325.             echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \

  4326.             echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \

  4327.             echo EXPORTS >> $(SUBDIR)$(NAME).def; \

  4328.             emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'

  4329.         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \

  4330.             emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'

  4331.         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'

  4332.         enable dos_paths

  4333.         enable_weak os2threads

  4334.         ;;

  4335.     gnu/kfreebsd)

  4336.         add_cppflags -D_BSD_SOURCE

  4337.         ;;

  4338.     gnu)

  4339.         ;;

  4340.     qnx)

  4341.         add_cppflags -D_QNX_SOURCE

  4342.         network_extralibs="-lsocket"

  4343.         ;;

  4344.     symbian)

  4345.         SLIBSUF=".dll"

  4346.         enable dos_paths

  4347.         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default

  4348.         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS

  4349.         add_ldflags -Wl,--target1-abs,--no-undefined \

  4350.                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \

  4351.                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup

  4352.         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \

  4353.                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \

  4354.                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib

  4355.         ;;

  4356.     osf1)

  4357.         add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT

  4358.         ;;

  4359.     minix)

  4360.         ;;

  4361.     plan9)

  4362.         add_cppflags -D_C99_SNPRINTF_EXTENSION  \

  4363.                      -D_REENTRANT_SOURCE        \

  4364.                      -D_RESEARCH_SOURCE         \

  4365.                      -DFD_SETSIZE=96            \

  4366.                      -DHAVE_SOCK_OPTS

  4367.         add_compat strtod.o strtod=avpriv_strtod

  4368.         network_extralibs='-lbsd'

  4369.         exeobjs=compat/plan9/main.o

  4370.         disable ffserver

  4371.         cp_f='cp'

  4372.         ;;

  4373.     none)

  4374.         ;;

  4375.     *)

  4376.         die "Unknown OS '$target_os'."

  4377.         ;;

  4378. esac

  4379. 

  4380. # determine libc flavour

  4381. 

  4382. probe_libc(){

  4383.     pfx=$1

  4384.     pfx_no_=${pfx%_}

  4385.     # uclibc defines __GLIBC__, so it needs to be checked before glibc.

  4386.     if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then

  4387.         eval ${pfx}libc_type=uclibc

  4388.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4389.     elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then

  4390.         eval ${pfx}libc_type=glibc

  4391.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4392.     # MinGW headers can be installed on Cygwin, so check for newlib first.

  4393.     elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then

  4394.         eval ${pfx}libc_type=newlib

  4395.         add_${pfx}cppflags -U__STRICT_ANSI__

  4396.     # MinGW64 is backwards compatible with MinGW32, so check for it first.

  4397.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then

  4398.         eval ${pfx}libc_type=mingw64

  4399.         if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then

  4400.             add_compat msvcrt/snprintf.o

  4401.             add_cflags "-include $source_path/compat/msvcrt/snprintf.h"

  4402.         fi

  4403.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4404.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4405.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4406.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION"  ||

  4407.          check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then

  4408.         eval ${pfx}libc_type=mingw32

  4409.         check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \

  4410.             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||

  4411.             die "ERROR: MinGW32 runtime version must be >= 3.15."

  4412.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4413.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4414.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4415.     elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then

  4416.         eval ${pfx}libc_type=msvcrt

  4417.         # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to

  4418.         # 0x601 by default unless something else is set by the user.

  4419.         # This can easily lead to us detecting functions only present

  4420.         # in such new versions and producing binaries requiring windows 7.0.

  4421.         # Therefore explicitly set the default to XP unless the user has

  4422.         # set something else on the command line.

  4423.         check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||

  4424.             add_${pfx}cppflags -D_WIN32_WINNT=0x0502

  4425.     elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then

  4426.         eval ${pfx}libc_type=klibc

  4427.     elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then

  4428.         eval ${pfx}libc_type=bionic

  4429.     elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then

  4430.         eval ${pfx}libc_type=solaris

  4431.         add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600

  4432.     fi

  4433.     check_${pfx}cc <<EOF

  4434. #include <time.h>

  4435. void *v = localtime_r;

  4436. EOF

  4437. 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

  4438. #include <time.h>

  4439. void *v = localtime_r;

  4440. EOF

  4441. 

  4442. }

  4443. 

  4444. probe_libc

  4445. test -n "$libc_type" && enable libc_$libc_type

  4446. probe_libc host_

  4447. test -n "$host_libc_type" && enable host_libc_$host_libc_type

  4448. 

  4449. case $libc_type in

  4450.     bionic)

  4451.         add_compat strtod.o strtod=avpriv_strtod

  4452.         ;;

  4453.     msvcrt)

  4454.         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -le 18 ]; then

  4455.             add_compat strtod.o strtod=avpriv_strtod

  4456.             add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf   \

  4457.                                          _snprintf=avpriv_snprintf  \

  4458.                                          vsnprintf=avpriv_vsnprintf

  4459.         fi

  4460.         ;;

  4461. esac

  4462. 

  4463. # hacks for compiler/libc/os combinations

  4464. 

  4465. if enabled_all tms470 libc_glibc; then

  4466.     CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"

  4467.     add_cppflags -D__USER_LABEL_PREFIX__=

  4468.     add_cppflags -D__builtin_memset=memset

  4469.     add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED

  4470.     add_cflags   -pds=48    # incompatible redefinition of macro

  4471. fi

  4472. 

  4473. if enabled_all ccc libc_glibc; then

  4474.     add_ldflags -Wl,-z,now  # calls to libots crash without this

  4475. fi

  4476. 

  4477. check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||

  4478.     add_cppflags '-I\$(SRC_PATH)/compat/float'

  4479. 

  4480. esc(){

  4481.     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'

  4482. }

  4483. 

  4484. echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate

  4485. 

  4486. check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic

  4487. 

  4488. set_default libdir

  4489. : ${shlibdir_default:="$libdir"}

  4490. 

  4491. set_default $PATHS_LIST

  4492. set_default nm

  4493. 

  4494. # we need to build at least one lib type

  4495. if ! enabled_any static shared; then

  4496.     cat <<EOF

  4497. At least one library type must be built.

  4498. Specify --enable-static to build the static libraries or --enable-shared to

  4499. build the shared libraries as well. To only build the shared libraries specify

  4500. --disable-static in addition to --enable-shared.

  4501. EOF

  4502.     exit 1;

  4503. fi

  4504. 

  4505. die_license_disabled() {

  4506.     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }

  4507. }

  4508. 

  4509. die_license_disabled_gpl() {

  4510.     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }

  4511. }

  4512. 

  4513. die_license_disabled gpl frei0r

  4514. die_license_disabled gpl libcdio

  4515. die_license_disabled gpl libsmbclient

  4516. die_license_disabled gpl libutvideo

  4517. die_license_disabled gpl libvidstab

  4518. die_license_disabled gpl libx264

  4519. die_license_disabled gpl libx265

  4520. die_license_disabled gpl libxavs

  4521. die_license_disabled gpl libxvid

  4522. die_license_disabled gpl libzvbi

  4523. die_license_disabled gpl x11grab

  4524. 

  4525. die_license_disabled nonfree libaacplus

  4526. die_license_disabled nonfree libfaac

  4527. die_license_disabled nonfree nvenc

  4528. enabled gpl && die_license_disabled_gpl nonfree libfdk_aac

  4529. enabled gpl && die_license_disabled_gpl nonfree openssl

  4530. 

  4531. die_license_disabled version3 libopencore_amrnb

  4532. die_license_disabled version3 libopencore_amrwb

  4533. die_license_disabled version3 libsmbclient

  4534. die_license_disabled version3 libvo_aacenc

  4535. die_license_disabled version3 libvo_amrwbenc

  4536. 

  4537. enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }

  4538. 

  4539. disabled optimizations || check_cflags -fomit-frame-pointer

  4540. 

  4541. enable_weak_pic() {

  4542.     disabled pic && return

  4543.     enable pic

  4544.     add_cppflags -DPIC

  4545.     case "$target_os" in

  4546.     mingw*|cygwin*)

  4547.         ;;

  4548.     *)

  4549.         add_cflags -fPIC

  4550.         ;;

  4551.     esac

  4552.     add_asflags  -fPIC

  4553. }

  4554. 

  4555. enabled pic && enable_weak_pic

  4556. 

  4557. check_cc <<EOF || die "Symbol mangling check failed."

  4558. int ff_extern;

  4559. EOF

  4560. sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')

  4561. extern_prefix=${sym%%ff_extern*}

  4562. 

  4563. check_cc <<EOF && enable_weak inline_asm

  4564. void foo(void) { __asm__ volatile ("" ::); }

  4565. EOF

  4566. 

  4567. _restrict=

  4568. for restrict_keyword in restrict __restrict__ __restrict; do

  4569.     check_cc <<EOF && _restrict=$restrict_keyword && break

  4570. void foo(char * $restrict_keyword p);

  4571. EOF

  4572. done

  4573. 

  4574. check_cc <<EOF && enable pragma_deprecated

  4575. void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }

  4576. EOF

  4577. 

  4578. check_cc <<EOF && enable attribute_packed

  4579. struct { int x; } __attribute__((packed)) x;

  4580. EOF

  4581. 

  4582. check_cc <<EOF && enable attribute_may_alias

  4583. union { int x; } __attribute__((may_alias)) x;

  4584. EOF

  4585. 

  4586. check_cc <<EOF || die "endian test failed"

  4587. unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';

  4588. EOF

  4589. od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian

  4590. 

  4591. if  [ "$cpu" = "power7" ] || [ "$cpu" = "power8" ] || enabled ppc64; then

  4592.     if ! enabled bigendian && enabled altivec ;then

  4593.         enable vsx

  4594.     fi

  4595. fi

  4596. 

  4597. check_gas() {

  4598.     log "check_gas using '$as' as AS"

  4599.     # :vararg is used on aarch64, arm and ppc altivec

  4600.     check_as <<EOF || return 1

  4601. .macro m n, y:vararg=0

  4602. \n: .int \y

  4603. .endm

  4604. m x

  4605. EOF

  4606.     # .altmacro is only used in arm asm

  4607.     ! enabled arm || check_as <<EOF || return 1

  4608. .altmacro

  4609. EOF

  4610.     enable gnu_as

  4611.     return 0

  4612. }

  4613. 

  4614. if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then

  4615.     nogas=:

  4616.     enabled_any arm aarch64 && nogas=die

  4617.     enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn

  4618.     as_noop=-v

  4619. 

  4620.     case $as_type in

  4621.         arm*) gaspp_as_type=armasm; as_noop=-h ;;

  4622.         gcc)  gaspp_as_type=gas ;;

  4623.         *)    gaspp_as_type=$as_type ;;

  4624.     esac

  4625. 

  4626.     [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"

  4627. 

  4628.     test "${as#*gas-preprocessor.pl}" != "$as" ||

  4629.     check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&

  4630.         gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"

  4631. 

  4632.     if ! check_gas ; then

  4633.         as=${gas:=$as}

  4634.         check_gas || \

  4635.             $nogas "GNU assembler not found, install/update gas-preprocessor"

  4636.     fi

  4637. 

  4638.     check_as <<EOF && enable as_func

  4639. .func test

  4640. .endfunc

  4641. EOF

  4642. fi

  4643. 

  4644. check_inline_asm inline_asm_labels '"1:\n"'

  4645. 

  4646. check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'

  4647. 

  4648. if enabled aarch64; then

  4649.     enabled armv8 && check_insn armv8 'prfm   pldl1strm, [x0]'

  4650.     # internal assembler in clang 3.3 does not support this instruction

  4651.     enabled neon && check_insn neon 'ext   v0.8B, v0.8B, v1.8B, #1'

  4652.     enabled vfp  && check_insn vfp  'fmadd d0,    d0,    d1,    d2'

  4653. 

  4654.     map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM

  4655. 

  4656. elif enabled alpha; then

  4657. 

  4658.     check_cflags -mieee

  4659. 

  4660. elif enabled arm; then

  4661. 

  4662.     check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb

  4663. float func(float a, float b){ return a+b; }

  4664. EOF

  4665. 

  4666.     enabled thumb && check_cflags -mthumb || check_cflags -marm

  4667. 

  4668.     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then

  4669.         enable vfp_args

  4670.     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then

  4671.         case "${cross_prefix:-$cc}" in

  4672.             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;

  4673.             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;

  4674. __asm__ (".eabi_attribute 28, 1");

  4675. int main(void) { return 0; }

  4676. EOF

  4677.         esac

  4678.         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."

  4679.     fi

  4680. 

  4681.     enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'

  4682.     enabled armv6   && check_insn armv6   'sadd16 r0, r0, r0'

  4683.     enabled armv6t2 && check_insn armv6t2 'movt r0, #0'

  4684.     enabled neon    && check_insn neon    'vadd.i16 q0, q0, q0'

  4685.     enabled vfp     && check_insn vfp     'fadds s0, s0, s0'

  4686.     enabled vfpv3   && check_insn vfpv3   'vmov.f32 s0, #1.0'

  4687.     enabled setend  && check_insn setend  'setend be'

  4688. 

  4689.     [ $target_os = linux ] || [ $target_os = android ] ||

  4690.         map 'enabled_any ${v}_external ${v}_inline || disable $v' \

  4691.             $ARCH_EXT_LIST_ARM

  4692. 

  4693.     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'

  4694. 

  4695.     check_as <<EOF && enable as_dn_directive

  4696. ra .dn d0.i16

  4697. .unreq ra

  4698. EOF

  4699. 

  4700.     # llvm's integrated assembler supports .object_arch from llvm 3.5

  4701.     [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch

  4702. .object_arch armv4

  4703. EOF

  4704. 

  4705.     [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic

  4706. 

  4707. elif enabled mips; then

  4708. 

  4709.     # Enable minimum ISA based on selected options

  4710.     if enabled mips64 && (enabled mipsdspr1 || enabled mipsdspr2); then

  4711.         add_cflags "-mips64r2"

  4712.         add_asflags "-mips64r2"

  4713.     elif enabled mips64 && enabled mipsfpu && disabled loongson3; then

  4714.         add_cflags "-mips64"

  4715.         add_asflags "-mips64"

  4716.     elif enabled mipsdspr1 || enabled mipsdspr2; then

  4717.         add_cflags "-mips32r2 -mfp32"

  4718.         add_asflags "-mips32r2 -mfp32"

  4719.     elif enabled mips32r5 || enabled mips64r6; then

  4720.         check_cflags "-mfp64"

  4721.         check_ldflags "-mfp64"

  4722.     fi

  4723. 

  4724.     enabled mips32r5  && check_cflags "-mips32r5 -msched-weight -mload-store-pairs -funroll-loops" &&

  4725.      check_ldflags "-mips32r5" &&

  4726.      check_inline_asm mips32r5  '"ulw $t0, ($t1)"'

  4727.     enabled mips64r6  && check_cflags "-mips64r6 -msched-weight -mload-store-pairs -funroll-loops" &&

  4728.      check_ldflags "-mips64r6" &&

  4729.      check_inline_asm mips64r6  '"aui $t0, $t1, 1"'

  4730.     enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&

  4731.      check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'

  4732.     enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&

  4733.      check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'

  4734.     enabled mipsfpu   && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&

  4735.      check_inline_asm mipsfpu   '"madd.d $f0, $f2, $f4, $f6"'

  4736.     enabled msa       && check_cflags "-mmsa" && check_ldflags "-mmsa" &&

  4737.      check_inline_asm msa       '"addvi.b $w0, $w1, 1"'

  4738.     enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'

  4739. 

  4740.     enabled mips32r5 && add_asflags "-mips32r5 -mfp64"

  4741.     enabled mips64r6 && add_asflags "-mips64r6 -mfp64"

  4742.     enabled msa && add_asflags "-mmsa"

  4743. 

  4744. elif enabled parisc; then

  4745. 

  4746.     if enabled gcc; then

  4747.         case $($cc -dumpversion) in

  4748.             4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;

  4749.         esac

  4750.     fi

  4751. 

  4752. elif enabled ppc; then

  4753. 

  4754.     enable local_aligned_8 local_aligned_16 local_aligned_32

  4755. 

  4756.     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'

  4757.     check_inline_asm ibm_asm   '"add 0, 0, 0"'

  4758.     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'

  4759.     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'

  4760. 

  4761.     # AltiVec flags: The FSF version of GCC differs from the Apple version

  4762.     if enabled altivec; then

  4763.         check_cflags -maltivec -mabi=altivec &&

  4764.         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||

  4765.         check_cflags -faltivec

  4766. 

  4767.         # check if our compiler supports Motorola AltiVec C API

  4768.         check_cc <<EOF || disable altivec

  4769. $inc_altivec_h

  4770. int main(void) {

  4771.     vector signed int v1 = (vector signed int) { 0 };

  4772.     vector signed int v2 = (vector signed int) { 1 };

  4773.     v1 = vec_add(v1, v2);

  4774.     return 0;

  4775. }

  4776. EOF

  4777. 

  4778.         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"

  4779.     fi

  4780. 

  4781.     if enabled vsx; then

  4782.         check_cflags -mvsx

  4783.     fi

  4784. elif enabled x86; then

  4785. 

  4786.     check_builtin rdtsc    intrin.h   "__rdtsc()"

  4787.     check_builtin mm_empty mmintrin.h "_mm_empty()"

  4788. 

  4789.     enable local_aligned_8 local_aligned_16 local_aligned_32

  4790. 

  4791.     # check whether EBP is available on x86

  4792.     # As 'i' is stored on the stack, this program will crash

  4793.     # if the base pointer is used to access it because the

  4794.     # base pointer is cleared in the inline assembly code.

  4795.     check_exec_crash <<EOF && enable ebp_available

  4796. volatile int i=0;

  4797. __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");

  4798. return i;

  4799. EOF

  4800. 

  4801.     # check whether EBX is available on x86

  4802.     check_inline_asm ebx_available '""::"b"(0)' &&

  4803.         check_inline_asm ebx_available '"":::"%ebx"'

  4804. 

  4805.     # check whether xmm clobbers are supported

  4806.     check_inline_asm xmm_clobbers '"":::"%xmm0"'

  4807. 

  4808.     check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||

  4809.         check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'

  4810. 

  4811.     # check whether binutils is new enough to compile SSSE3/MMXEXT

  4812.     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'

  4813.     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'

  4814. 

  4815.     if ! disabled_any asm mmx yasm; then

  4816.         if check_cmd $yasmexe --version; then

  4817.             enabled x86_64 && yasm_extra="-m amd64"

  4818.             yasm_debug="-g dwarf2"

  4819.         elif check_cmd nasm -v; then

  4820.             yasmexe=nasm

  4821.             yasm_debug="-g -F dwarf"

  4822.             if enabled x86_64; then

  4823.                 case "$objformat" in

  4824.                     elf)   objformat=elf64 ;;

  4825.                     win32) objformat=win64 ;;

  4826.                 esac

  4827.             fi

  4828.         fi

  4829. 

  4830.         YASMFLAGS="-f $objformat $yasm_extra"

  4831.         enabled pic               && append YASMFLAGS "-DPIC"

  4832.         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"

  4833.         case "$objformat" in

  4834.             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;

  4835.         esac

  4836. 

  4837.         check_yasm "movbe ecx, [5]" && enable yasm ||

  4838.             die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."

  4839.         check_yasm "vextracti128 xmm0, ymm0, 0"      || disable avx2_external

  4840.         check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external

  4841.         check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external

  4842.         check_yasm "CPU amdnop" || disable cpunop

  4843.     fi

  4844. 

  4845.     case "$cpu" in

  4846.         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)

  4847.             disable fast_clz

  4848.         ;;

  4849.     esac

  4850. 

  4851. fi

  4852. 

  4853. check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon

  4854. 

  4855. check_ldflags -Wl,--as-needed

  4856. check_ldflags -Wl,-z,noexecstack

  4857. 

  4858. if check_func dlopen; then

  4859.     ldl=

  4860. elif check_func dlopen -ldl; then

  4861.     ldl=-ldl

  4862. fi

  4863. 

  4864. frei0r_filter_extralibs='$ldl'

  4865. frei0r_src_filter_extralibs='$ldl'

  4866. ladspa_filter_extralibs='$ldl'

  4867. nvenc_encoder_extralibs='$ldl'

  4868. 

  4869. if ! disabled network; then

  4870.     check_func getaddrinfo $network_extralibs

  4871.     check_func getservbyport $network_extralibs

  4872.     check_func inet_aton $network_extralibs

  4873. 

  4874.     check_type netdb.h "struct addrinfo"

  4875.     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE

  4876.     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE

  4877.     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE

  4878.     check_type poll.h "struct pollfd"

  4879.     check_type netinet/sctp.h "struct sctp_event_subscribe"

  4880.     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len

  4881.     check_type netinet/in.h "struct sockaddr_in6"

  4882.     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"

  4883.     check_type "sys/types.h sys/socket.h" socklen_t

  4884. 

  4885.     # Prefer arpa/inet.h over winsock2

  4886.     if check_header arpa/inet.h ; then

  4887.         check_func closesocket

  4888.     elif check_header winsock2.h ; then

  4889.         check_func_headers winsock2.h closesocket -lws2 &&

  4890.             network_extralibs="-lws2" ||

  4891.         { check_func_headers winsock2.h closesocket -lws2_32 &&

  4892.             network_extralibs="-lws2_32"; } || disable winsock2_h network

  4893.         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs

  4894. 

  4895.         check_type ws2tcpip.h socklen_t

  4896.         check_type ws2tcpip.h "struct addrinfo"

  4897.         check_type ws2tcpip.h "struct group_source_req"

  4898.         check_type ws2tcpip.h "struct ip_mreq_source"

  4899.         check_type ws2tcpip.h "struct ipv6_mreq"

  4900.         check_type winsock2.h "struct pollfd"

  4901.         check_struct winsock2.h "struct sockaddr" sa_len

  4902.         check_type ws2tcpip.h "struct sockaddr_in6"

  4903.         check_type ws2tcpip.h "struct sockaddr_storage"

  4904.     else

  4905.         disable network

  4906.     fi

  4907. fi

  4908. 

  4909. check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"

  4910. check_builtin atomic_compare_exchange "" "int *ptr, *oldval; int newval; __atomic_compare_exchange_n(ptr, oldval, newval, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)"

  4911. check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"

  4912. check_builtin MemoryBarrier windows.h "MemoryBarrier()"

  4913. check_builtin sarestart signal.h "SA_RESTART"

  4914. check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"

  4915. 

  4916. check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc

  4917. check_func  ${malloc_prefix}memalign            && enable memalign

  4918. check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign

  4919. 

  4920. check_func  access

  4921. check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  4922. check_func  fcntl

  4923. check_func  fork

  4924. check_func  gethrtime

  4925. check_func  getopt

  4926. check_func  getrusage

  4927. check_func  gettimeofday

  4928. check_func  gmtime_r

  4929. check_func  isatty

  4930. check_func  localtime_r

  4931. check_func  mach_absolute_time

  4932. check_func  mkstemp

  4933. check_func  mmap

  4934. check_func  mprotect

  4935. # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that

  4936. check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  4937. check_func  sched_getaffinity

  4938. check_func  setrlimit

  4939. check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE

  4940. check_func  strerror_r

  4941. check_func  sysconf

  4942. check_func  sysctl

  4943. check_func  usleep

  4944. 

  4945. check_func_headers conio.h kbhit

  4946. check_func_headers io.h setmode

  4947. check_func_headers lzo/lzo1x.h lzo1x_999_compress

  4948. check_func_headers stdlib.h getenv

  4949. 

  4950. check_func_headers windows.h CoTaskMemFree -lole32

  4951. check_func_headers windows.h GetProcessAffinityMask

  4952. check_func_headers windows.h GetProcessTimes

  4953. check_func_headers windows.h GetSystemTimeAsFileTime

  4954. check_func_headers windows.h MapViewOfFile

  4955. check_func_headers windows.h PeekNamedPipe

  4956. check_func_headers windows.h SetConsoleTextAttribute

  4957. check_func_headers windows.h Sleep

  4958. check_func_headers windows.h VirtualAlloc

  4959. check_struct windows.h "CONDITION_VARIABLE" Ptr

  4960. check_func_headers glob.h glob

  4961. enabled xlib &&

  4962.     check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext

  4963. 

  4964. check_header direct.h

  4965. check_header dlfcn.h

  4966. check_header d3d11.h

  4967. check_header dxva.h

  4968. check_header dxva2api.h -D_WIN32_WINNT=0x0600

  4969. check_header io.h

  4970. check_header libcrystalhd/libcrystalhd_if.h

  4971. check_header mach/mach_time.h

  4972. check_header malloc.h

  4973. check_header net/udplite.h

  4974. check_header poll.h

  4975. check_header sys/mman.h

  4976. check_header sys/param.h

  4977. check_header sys/resource.h

  4978. check_header sys/select.h

  4979. check_header sys/time.h

  4980. check_header sys/un.h

  4981. check_header termios.h

  4982. check_header unistd.h

  4983. check_header valgrind/valgrind.h

  4984. check_header vdpau/vdpau.h

  4985. check_header vdpau/vdpau_x11.h

  4986. check_header VideoDecodeAcceleration/VDADecoder.h

  4987. check_header windows.h

  4988. check_header X11/extensions/XvMClib.h

  4989. check_header asm/types.h

  4990. 

  4991. check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32

  4992. check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32

  4993. check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi

  4994. 

  4995. check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss

  4996. 

  4997. check_type "windows.h dxva.h" "DXVA_PicParams_HEVC"

  4998. check_type "windows.h d3d11.h" "ID3D11VideoDecoder"

  4999. 

  5000. if ! disabled w32threads && ! enabled pthreads; then

  5001.     check_func_headers "windows.h process.h" _beginthreadex &&

  5002.         enable w32threads || disable w32threads

  5003. fi

  5004. 

  5005. # check for some common methods of building with pthread support

  5006. # do this before the optional library checks as some of them require pthreads

  5007. if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then

  5008.     enable pthreads

  5009.     if check_func pthread_join -pthread && check_func pthread_create -pthread; then

  5010.         add_cflags -pthread

  5011.         add_extralibs -pthread

  5012.     elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then

  5013.         add_cflags -pthreads

  5014.         add_extralibs -pthreads

  5015.     elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then

  5016.         add_cflags -ldl -pthread

  5017.         add_extralibs -ldl -pthread

  5018.     elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then

  5019.         add_extralibs -lpthreadGC2

  5020.     elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then

  5021.         :

  5022.     elif ! check_func pthread_join && ! check_func pthread_create; then

  5023.         disable pthreads

  5024.     fi

  5025.     check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads

  5026. fi

  5027. 

  5028. 

  5029. if enabled pthreads; then

  5030.   check_func pthread_cancel

  5031. fi

  5032. 

  5033. disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib

  5034. disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib

  5035. disabled  lzma || check_lib2  lzma.h lzma_version_number -llzma || disable lzma

  5036. 

  5037. check_lib math.h sin -lm && LIBM="-lm"

  5038. disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd

  5039. 

  5040. atan2f_args=2

  5041. ldexpf_args=2

  5042. powf_args=2

  5043. 

  5044. for func in $MATH_FUNCS; do

  5045.     eval check_mathfunc $func \${${func}_args:-1}

  5046. done

  5047. 

  5048. # these are off by default, so fail if requested and not available

  5049. enabled avfoundation_indev && { check_header_oc AVFoundation/AVFoundation.h || disable avfoundation_indev; }

  5050. enabled avfoundation_indev && { check_lib2 CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||

  5051.                                 check_lib2 ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }

  5052. enabled avisynth          && { { check_lib2 "windows.h" LoadLibrary; } ||

  5053.                                { check_lib2 "dlfcn.h" dlopen -ldl; } ||

  5054.                                die "ERROR: LoadLibrary/dlopen not found for avisynth"; }

  5055. enabled decklink          && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }

  5056. enabled frei0r            && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }

  5057. enabled gnutls            && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init

  5058. enabled ladspa            && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }

  5059. enabled libiec61883       && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883

  5060. enabled libaacplus        && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus

  5061. enabled libass            && require_pkg_config libass ass/ass.h ass_library_init

  5062. enabled libbluray         && require_pkg_config libbluray libbluray/bluray.h bd_open

  5063. enabled libbs2b           && require_pkg_config libbs2b bs2b.h bs2b_open

  5064. enabled libcelt           && require libcelt celt/celt.h celt_decode -lcelt0 &&

  5065.                              { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||

  5066.                                die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }

  5067. enabled libcaca           && require_pkg_config caca caca.h caca_create_canvas

  5068. enabled libdcadec         && require_pkg_config dcadec libdcadec/dca_context.h dcadec_context_create

  5069. enabled libfaac           && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac

  5070. enabled libfdk_aac        && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac

  5071. 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"

  5072. enabled libflite          && require2 libflite "flite/flite.h" flite_init $flite_libs

  5073. enabled fontconfig        && enable libfontconfig

  5074. enabled libfontconfig     && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit

  5075. enabled libfreetype       && require_libfreetype

  5076. enabled libfribidi        && require_pkg_config fribidi fribidi.h fribidi_version_info

  5077. enabled libgme            && require  libgme gme/gme.h gme_new_emu -lgme -lstdc++

  5078. enabled libgsm            && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do

  5079.                                    check_lib "${gsm_hdr}" gsm_create -lgsm && break;

  5080.                                done || die "ERROR: libgsm not found"; }

  5081. enabled libilbc           && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc

  5082. enabled libmfx            && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit

  5083. enabled libmodplug        && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load

  5084. enabled libmp3lame        && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame

  5085. enabled libnut            && require libnut libnut.h nut_demuxer_init -lnut

  5086. enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb

  5087. enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb

  5088. enabled libopencv         && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader

  5089. enabled libopenh264       && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion

  5090. enabled libopenjpeg       && { check_lib openjpeg.h opj_version -lopenmj2 -DOPJ_STATIC ||

  5091.                                check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  5092.                                check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  5093.                                die "ERROR: libopenjpeg not found"; }

  5094. enabled libopus           && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create

  5095. enabled libpulse          && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new

  5096. enabled libquvi           && require_pkg_config libquvi quvi/quvi.h quvi_init

  5097. enabled librtmp           && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket

  5098. enabled libschroedinger   && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init

  5099. enabled libshine          && require_pkg_config shine shine/layer3.h shine_encode_buffer

  5100. enabled libsmbclient      && { use_pkg_config smbclient libsmbclient.h smbc_init ||

  5101.                                require smbclient libsmbclient.h smbc_init -lsmbclient; }

  5102. enabled libsoxr           && require libsoxr soxr.h soxr_create -lsoxr

  5103. enabled libssh            && require_pkg_config libssh libssh/sftp.h sftp_init

  5104. enabled libspeex          && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex

  5105. enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h

  5106.     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h

  5107.     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static

  5108. enabled libtheora         && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg

  5109. enabled libtwolame        && require libtwolame twolame.h twolame_init -ltwolame &&

  5110.                              { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||

  5111.                                die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }

  5112. enabled libutvideo        && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++

  5113. enabled libv4l2           && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl

  5114. enabled libvidstab        && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit

  5115. enabled libvo_aacenc      && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc

  5116. enabled libvo_amrwbenc    && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc

  5117. enabled libvorbis         && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg

  5118. enabled libvpx            && {

  5119.     enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||

  5120.                                     die "ERROR: libvpx decoder version must be >=0.9.1"; }

  5121.     enabled libvpx_vp8_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||

  5122.                                     die "ERROR: libvpx encoder version must be >=0.9.7"; }

  5123.     enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }

  5124.     enabled libvpx_vp9_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx || disable libvpx_vp9_encoder; } }

  5125. enabled libwavpack        && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput  -lwavpack

  5126. enabled libwebp           && {

  5127.     enabled libwebp_encoder      && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion

  5128.     enabled libwebp_anim_encoder && { use_pkg_config "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit || disable libwebp_anim_encoder; } }

  5129. enabled libx264           && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||

  5130.                                { require libx264 x264.h x264_encoder_encode -lx264 &&

  5131.                                  warn "using libx264 without pkg-config"; } } &&

  5132.                              { check_cpp_condition x264.h "X264_BUILD >= 118" ||

  5133.                                die "ERROR: libx264 must be installed and version must be >= 0.118."; }

  5134. enabled libx265           && require_pkg_config x265 x265.h x265_encoder_encode &&

  5135.                              { check_cpp_condition x265.h "X265_BUILD >= 57" ||

  5136.                                die "ERROR: libx265 version must be >= 57."; }

  5137. enabled libxavs           && require libxavs xavs.h xavs_encoder_encode -lxavs

  5138. enabled libxvid           && require libxvid xvid.h xvid_global -lxvidcore

  5139. enabled libzmq            && require_pkg_config libzmq zmq.h zmq_ctx_new

  5140. enabled libzvbi           && require libzvbi libzvbi.h vbi_decoder_new -lzvbi

  5141. enabled mmal              && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||

  5142.                                 { ! enabled cross_compile && {

  5143.                                     add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;

  5144.                                     add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;

  5145.                                     check_lib interface/mmal/mmal.h mmal_port_connect ; }

  5146.                                 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||

  5147.                                die "ERROR: mmal not found"; }

  5148. enabled nvenc             && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; } &&

  5149.                              { check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 5" ||

  5150.                                die "ERROR: NVENC API version 4 or older is not supported"; } &&

  5151.                              { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }

  5152. enabled openal            && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do

  5153.                                check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||

  5154.                                die "ERROR: openal not found"; } &&

  5155.                              { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||

  5156.                                die "ERROR: openal must be installed and version must be 1.1 or compatible"; }

  5157. enabled opencl            && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||

  5158.                                check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||

  5159.                                die "ERROR: opencl not found"; } &&

  5160.                              { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||

  5161.                                check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||

  5162.                                die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }

  5163. enabled opengl            && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||

  5164.                                check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||

  5165.                                check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||

  5166.                                check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||

  5167.                                die "ERROR: opengl not found."

  5168.                              }

  5169. enabled openssl           && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||

  5170.                                check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||

  5171.                                check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||

  5172.                                die "ERROR: openssl not found"; }

  5173. enabled qtkit_indev      && { check_header_oc QTKit/QTKit.h || disable qtkit_indev; }

  5174. 

  5175. if enabled gnutls; then

  5176.     { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||

  5177.     { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }

  5178. fi

  5179. 

  5180. # libdc1394 check

  5181. if enabled libdc1394; then

  5182.     { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&

  5183.         enable libdc1394_2; } ||

  5184.     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&

  5185.         enable libdc1394_1; } ||

  5186.     die "ERROR: No version of libdc1394 found "

  5187. fi

  5188. if ! disabled sdl; then

  5189.     SDL_CONFIG="${cross_prefix}sdl-config"

  5190.     if check_pkg_config sdl SDL_events.h SDL_PollEvent; then

  5191.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5192.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5193.         enable sdl

  5194.     else

  5195.         if "${SDL_CONFIG}" --version > /dev/null 2>&1; then

  5196.             sdl_cflags=$("${SDL_CONFIG}" --cflags)

  5197.             sdl_libs=$("${SDL_CONFIG}" --libs)

  5198.             check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&

  5199.             check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5200.             check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5201.             enable sdl

  5202.         elif enabled sdl ; then

  5203.             die "ERROR: SDL not found"

  5204.         else

  5205.             disable sdl

  5206.         fi

  5207.     fi

  5208. fi

  5209. enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs

  5210. 

  5211. makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo

  5212. enabled makeinfo && (makeinfo --version | \

  5213.                      grep -q 'makeinfo (GNU texinfo) 5' > /dev/null 2>&1) \

  5214.     && enable makeinfo_html || disable makeinfo_html

  5215. disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html

  5216. perl -v            > /dev/null 2>&1 && enable perl      || disable perl

  5217. pod2man --help     > /dev/null 2>&1 && enable pod2man   || disable pod2man

  5218. rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout

  5219. 

  5220. check_header linux/fb.h

  5221. check_header linux/videodev.h

  5222. check_header linux/videodev2.h

  5223. check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5224. 

  5225. check_header sys/videoio.h

  5226. check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5227. 

  5228. check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"

  5229. # check that WM_CAP_DRIVER_CONNECT is defined to the proper value

  5230. # w32api 3.12 had it defined wrong

  5231. check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines

  5232. 

  5233. check_type "dshow.h" IBaseFilter

  5234. 

  5235. # check for ioctl_meteor.h, ioctl_bt848.h and alternatives

  5236. { check_header dev/bktr/ioctl_meteor.h &&

  5237.   check_header dev/bktr/ioctl_bt848.h; } ||

  5238. { check_header machine/ioctl_meteor.h &&

  5239.   check_header machine/ioctl_bt848.h; } ||

  5240. { check_header dev/video/meteor/ioctl_meteor.h &&

  5241.   check_header dev/video/bktr/ioctl_bt848.h; } ||

  5242. check_header dev/ic/bt8xx.h

  5243. 

  5244. check_header sndio.h

  5245. if check_struct sys/soundcard.h audio_buf_info bytes; then

  5246.     enable_safe sys/soundcard.h

  5247. else

  5248.     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h

  5249.     #include <sys/soundcard.h>

  5250.     audio_buf_info abc;

  5251. EOF

  5252. fi

  5253. check_header soundcard.h

  5254. 

  5255. enabled_any alsa_indev alsa_outdev &&

  5256.     check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound

  5257. 

  5258. enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&

  5259.     check_func jack_port_get_latency_range -ljack

  5260. 

  5261. enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio

  5262. 

  5263. if enabled libcdio; then

  5264.     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5265.     check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5266.     die "ERROR: No usable libcdio/cdparanoia found"

  5267. fi

  5268. 

  5269. enabled xlib &&

  5270.     check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib

  5271. 

  5272. if ! disabled libxcb; then

  5273.     check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {

  5274.         enabled libxcb && die "ERROR: libxcb >= 1.4 not found";

  5275.     } && disable x11grab && enable libxcb

  5276. 

  5277. if enabled libxcb; then

  5278.     disabled libxcb_shm || {

  5279.         check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {

  5280.             enabled libxcb_shm && die "ERROR: libxcb_shm not found";

  5281.         } && check_header sys/shm.h && enable libxcb_shm; }

  5282. 

  5283.     disabled libxcb_xfixes || {

  5284.         check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {

  5285.             enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";

  5286.         } && enable libxcb_xfixes; }

  5287. 

  5288.     disabled libxcb_shape || {

  5289.         check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {

  5290.             enabled libxcb_shape && die "ERROR: libxcb_shape not found";

  5291.         } && enable libxcb_shape; }

  5292. 

  5293.     add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags

  5294.     add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs

  5295. fi

  5296. fi

  5297. 

  5298. if enabled x11grab; then

  5299.     enabled xlib || die "ERROR: Xlib not found"

  5300.     require Xext X11/extensions/XShm.h XShmCreateImage -lXext

  5301.     require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes

  5302. fi

  5303. 

  5304. check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"

  5305. 

  5306. enabled dxva2api_h &&

  5307.     check_cc <<EOF && enable dxva2api_cobj

  5308. #define _WIN32_WINNT 0x0600

  5309. #define COBJMACROS

  5310. #include <windows.h>

  5311. #include <d3d9.h>

  5312. #include <dxva2api.h>

  5313. int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }

  5314. EOF

  5315. 

  5316. enabled d3d11_h &&

  5317.     check_cc <<EOF && enable d3d11_cobj

  5318. #define _WIN32_WINNT 0x0600

  5319. #define COBJMACROS

  5320. #include <windows.h>

  5321. #include <d3d11.h>

  5322. int main(void) { ID3D11VideoDecoder *o = NULL; ID3D11VideoDecoder_Release(o); return 0; }

  5323. EOF

  5324. 

  5325. enabled vaapi &&

  5326.     check_lib va/va.h vaInitialize -lva ||

  5327.     disable vaapi

  5328. 

  5329. enabled vaapi && enabled xlib &&

  5330.     check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&

  5331.     enable vaapi_x11

  5332. 

  5333. enabled vdpau &&

  5334.     check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||

  5335.     disable vdpau

  5336. 

  5337. enabled vdpau && enabled xlib &&

  5338.     check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&

  5339.     prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&

  5340.     enable vdpau_x11

  5341. 

  5342. # Funny iconv installations are not unusual, so check it after all flags have been set

  5343. disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv

  5344. 

  5345. enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"

  5346. 

  5347. # add some useful compiler flags if supported

  5348. check_cflags -Wdeclaration-after-statement

  5349. check_cflags -Wall

  5350. check_cflags -Wdisabled-optimization

  5351. check_cflags -Wpointer-arith

  5352. check_cflags -Wredundant-decls

  5353. check_cflags -Wwrite-strings

  5354. check_cflags -Wtype-limits

  5355. check_cflags -Wundef

  5356. check_cflags -Wmissing-prototypes

  5357. check_cflags -Wno-pointer-to-int-cast

  5358. check_cflags -Wstrict-prototypes

  5359. check_cflags -Wempty-body

  5360. enabled extra_warnings && check_cflags -Winline

  5361. 

  5362. check_disable_warning(){

  5363.     warning_flag=-W${1#-Wno-}

  5364.     test_cflags $warning_flag && add_cflags $1

  5365. }

  5366. 

  5367. check_disable_warning -Wno-parentheses

  5368. check_disable_warning -Wno-switch

  5369. check_disable_warning -Wno-format-zero-length

  5370. check_disable_warning -Wno-pointer-sign

  5371. 

  5372. # add some linker flags

  5373. check_ldflags -Wl,--warn-common

  5374. check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample

  5375. enabled rpath && add_ldexeflags -Wl,-rpath,$libdir

  5376. test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic

  5377. 

  5378. # add some strip flags

  5379. # -wN '..@*' is more selective than -x, but not available everywhere.

  5380. check_stripflags -wN \'..@*\' || check_stripflags -x

  5381. 

  5382. enabled neon_clobber_test &&

  5383.     check_ldflags -Wl,--wrap,avcodec_open2              \

  5384.                   -Wl,--wrap,avcodec_decode_audio4      \

  5385.                   -Wl,--wrap,avcodec_decode_video2      \

  5386.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  5387.                   -Wl,--wrap,avcodec_encode_audio2      \

  5388.                   -Wl,--wrap,avcodec_encode_video2      \

  5389.                   -Wl,--wrap,avcodec_encode_subtitle    \

  5390.                   -Wl,--wrap,swr_convert                \

  5391.                   -Wl,--wrap,avresample_convert ||

  5392.     disable neon_clobber_test

  5393. 

  5394. enabled xmm_clobber_test &&

  5395.     check_ldflags -Wl,--wrap,avcodec_open2              \

  5396.                   -Wl,--wrap,avcodec_decode_audio4      \

  5397.                   -Wl,--wrap,avcodec_decode_video2      \

  5398.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  5399.                   -Wl,--wrap,avcodec_encode_audio2      \

  5400.                   -Wl,--wrap,avcodec_encode_video       \

  5401.                   -Wl,--wrap,avcodec_encode_video2      \

  5402.                   -Wl,--wrap,avcodec_encode_subtitle    \

  5403.                   -Wl,--wrap,swr_convert                \

  5404.                   -Wl,--wrap,avresample_convert         \

  5405.                   -Wl,--wrap,sws_scale ||

  5406.     disable xmm_clobber_test

  5407. 

  5408. echo "X{};" > $TMPV

  5409. if test_ldflags -Wl,--version-script,$TMPV; then

  5410.     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'

  5411.     check_cc <<EOF && enable symver_asm_label

  5412. void ff_foo(void) __asm__ ("av_foo@VERSION");

  5413. void ff_foo(void) { ${inline_asm+__asm__($quotes);} }

  5414. EOF

  5415.     check_cc <<EOF && enable symver_gnu_asm

  5416. __asm__(".symver ff_foo,av_foo@VERSION");

  5417. void ff_foo(void) {}

  5418. EOF

  5419. fi

  5420. 

  5421. if [ -z "$optflags" ]; then

  5422.     if enabled small; then

  5423.         optflags=$cflags_size

  5424.     elif enabled optimizations; then

  5425.         optflags=$cflags_speed

  5426.     else

  5427.         optflags=$cflags_noopt

  5428.     fi

  5429. fi

  5430. 

  5431. check_optflags(){

  5432.     check_cflags "$@"

  5433.     enabled lto && check_ldflags "$@"

  5434. }

  5435. 

  5436. 

  5437. if enabled lto; then

  5438.     test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"

  5439.     check_cflags  -flto

  5440.     check_ldflags -flto $cpuflags

  5441.     disable inline_asm_direct_symbol_refs

  5442. fi

  5443. 

  5444. check_optflags $optflags

  5445. check_optflags -fno-math-errno

  5446. check_optflags -fno-signed-zeros

  5447. 

  5448. enabled ftrapv && check_cflags -ftrapv

  5449. 

  5450. check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"

  5451. int x;

  5452. EOF

  5453. 

  5454. 

  5455. if enabled icc; then

  5456.     # Just warnings, no remarks

  5457.     check_cflags -w1

  5458.     # -wd: Disable following warnings

  5459.     # 144, 167, 556: -Wno-pointer-sign

  5460.     # 188: enumerated type mixed with another type

  5461.     # 1292: attribute "foo" ignored

  5462.     # 1419: external declaration in primary source file

  5463.     # 10006: ignoring unknown option -fno-signed-zeros

  5464.     # 10148: ignoring unknown option -Wno-parentheses

  5465.     # 10156: ignoring option '-W'; no argument required

  5466.     # 13200: No EMMS instruction before call to function

  5467.     # 13203: No EMMS instruction before return from function

  5468.     check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203

  5469.     # 11030: Warning unknown option --as-needed

  5470.     # 10156: ignoring option '-export'; no argument required

  5471.     check_ldflags -wd10156,11030

  5472.     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test

  5473.     enable ebp_available

  5474.     # The test above does not test linking

  5475.     enabled lto && disable symver_asm_label

  5476.     if enabled x86_32; then

  5477.         icc_version=$($cc -dumpversion)

  5478.         test ${icc_version%%.*} -ge 11 &&

  5479.             check_cflags -falign-stack=maintain-16-byte ||

  5480.             disable aligned_stack

  5481.     fi

  5482. elif enabled ccc; then

  5483.     # disable some annoying warnings

  5484.     add_cflags -msg_disable bitnotint

  5485.     add_cflags -msg_disable mixfuncvoid

  5486.     add_cflags -msg_disable nonstandcast

  5487.     add_cflags -msg_disable unsupieee

  5488. elif enabled gcc; then

  5489.     check_optflags -fno-tree-vectorize

  5490.     check_cflags -Werror=format-security

  5491.     check_cflags -Werror=implicit-function-declaration

  5492.     check_cflags -Werror=missing-prototypes

  5493.     check_cflags -Werror=return-type

  5494.     check_cflags -Werror=vla

  5495.     check_cflags -Wformat

  5496.     check_cflags -fdiagnostics-color=auto

  5497.     enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized

  5498. elif enabled llvm_gcc; then

  5499.     check_cflags -mllvm -stack-alignment=16

  5500. elif enabled clang; then

  5501.     check_cflags -mllvm -stack-alignment=16

  5502.     check_cflags -Qunused-arguments

  5503.     check_cflags -Werror=implicit-function-declaration

  5504.     check_cflags -Werror=missing-prototypes

  5505.     check_cflags -Werror=return-type

  5506. elif enabled cparser; then

  5507.     add_cflags -Wno-missing-variable-declarations

  5508.     add_cflags -Wno-empty-statement

  5509. elif enabled armcc; then

  5510.     add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat

  5511.     add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir

  5512.     # 2523: use of inline assembly is deprecated

  5513.     add_cflags -W${armcc_opt},--diag_suppress=2523

  5514.     add_cflags -W${armcc_opt},--diag_suppress=1207

  5515.     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition

  5516.     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat

  5517.     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign

  5518.     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign

  5519. elif enabled tms470; then

  5520.     add_cflags -pds=824 -pds=837

  5521.     disable inline_asm

  5522. elif enabled pathscale; then

  5523.     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF

  5524. elif enabled_any msvc icl; then

  5525.     enabled x86_32 && disable aligned_stack

  5526.     enabled_all x86_32 debug && add_cflags -Oy-

  5527.     enabled debug && add_ldflags -debug

  5528.     enable pragma_deprecated

  5529.     if enabled icl; then

  5530.         # -Qansi-alias is basically -fstrict-aliasing, but does not work

  5531.         # (correctly) on icl 13.x.

  5532.         check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&

  5533.             add_cflags -Qansi-alias

  5534.         # Some inline asm is not compilable in debug

  5535.         if enabled debug; then

  5536.             disable ebp_available

  5537.             disable ebx_available

  5538.         fi

  5539.     fi

  5540.     # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.

  5541.     check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2

  5542. fi

  5543. 

  5544. case $as_type in

  5545.     clang)

  5546.         add_asflags -Qunused-arguments

  5547.     ;;

  5548. esac

  5549. 

  5550. case $ld_type in

  5551.     clang)

  5552.         check_ldflags -Qunused-arguments

  5553.     ;;

  5554. esac

  5555. 

  5556. case $target_os in

  5557.     osf1)

  5558.         enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'

  5559.     ;;

  5560.     plan9)

  5561.         add_cppflags -Dmain=plan9_main

  5562.     ;;

  5563. esac

  5564. 

  5565. enable frame_thread_encoder

  5566. 

  5567. enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }

  5568. 

  5569. check_deps $CONFIG_LIST       \

  5570.            $CONFIG_EXTRA      \

  5571.            $HAVE_LIST         \

  5572.            $ALL_COMPONENTS    \

  5573. 

  5574. 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"

  5575. 

  5576. 

  5577. if test $target_os = "haiku"; then

  5578.     disable memalign

  5579.     disable posix_memalign

  5580. fi

  5581. 

  5582. enabled_all d3d11va d3d11_cobj CoTaskMemFree &&

  5583.     prepend ffmpeg_libs $($ldflags_filter "-lole32") &&

  5584.     enable d3d11va_lib

  5585. 

  5586. enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&

  5587.     prepend ffmpeg_libs $($ldflags_filter "-lole32" "-luser32") &&

  5588.     enable dxva2_lib

  5589. 

  5590. ! enabled_any memalign posix_memalign aligned_malloc &&

  5591.     enabled simd_align_16 && enable memalign_hack

  5592. 

  5593. # add_dep lib dep

  5594. # -> enable ${lib}_deps_${dep}

  5595. # -> add $dep to ${lib}_deps only once

  5596. add_dep() {

  5597.     lib=$1

  5598.     dep=$2

  5599.     enabled "${lib}_deps_${dep}" && return 0

  5600.     enable  "${lib}_deps_${dep}"

  5601.     prepend "${lib}_deps" $dep

  5602. }

  5603. 

  5604. # merge deps lib components

  5605. # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*

  5606. merge_deps() {

  5607.     lib=$1

  5608.     shift

  5609.     for comp in $*; do

  5610.         enabled $comp || continue

  5611.         eval "dep=\"\$${comp}_deps\""

  5612.         for d in $dep; do

  5613.             add_dep $lib $d

  5614.         done

  5615.     done

  5616. }

  5617. 

  5618. merge_deps libavfilter $FILTER_LIST

  5619. 

  5620. map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST

  5621. 

  5622. for thread in $THREADS_LIST; do

  5623.     if enabled $thread; then

  5624.         test -n "$thread_type" &&

  5625.             die "ERROR: Only one thread type must be selected." ||

  5626.             thread_type="$thread"

  5627.     fi

  5628. done

  5629. 

  5630. enabled zlib && add_cppflags -DZLIB_CONST

  5631. 

  5632. # conditional library dependencies, in linking order

  5633. enabled amovie_filter       && prepend avfilter_deps "avformat avcodec"

  5634. enabled aresample_filter    && prepend avfilter_deps "swresample"

  5635. enabled asyncts_filter      && prepend avfilter_deps "avresample"

  5636. enabled atempo_filter       && prepend avfilter_deps "avcodec"

  5637. enabled cover_rect_filter   && prepend avfilter_deps "avformat avcodec"

  5638. enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"

  5639. enabled elbg_filter         && prepend avfilter_deps "avcodec"

  5640. enabled fftfilt_filter      && prepend avfilter_deps "avcodec"

  5641. enabled find_rect_filter    && prepend avfilter_deps "avformat avcodec"

  5642. enabled mcdeint_filter      && prepend avfilter_deps "avcodec"

  5643. enabled movie_filter    && prepend avfilter_deps "avformat avcodec"

  5644. enabled pan_filter          && prepend avfilter_deps "swresample"

  5645. enabled pp_filter           && prepend avfilter_deps "postproc"

  5646. enabled removelogo_filter   && prepend avfilter_deps "avformat avcodec swscale"

  5647. enabled resample_filter && prepend avfilter_deps "avresample"

  5648. enabled sab_filter          && prepend avfilter_deps "swscale"

  5649. enabled scale_filter    && prepend avfilter_deps "swscale"

  5650. enabled showspectrum_filter && prepend avfilter_deps "avcodec"

  5651. enabled smartblur_filter    && prepend avfilter_deps "swscale"

  5652. enabled subtitles_filter    && prepend avfilter_deps "avformat avcodec"

  5653. enabled uspp_filter         && prepend avfilter_deps "avcodec"

  5654. 

  5655. enabled lavfi_indev         && prepend avdevice_deps "avfilter"

  5656. 

  5657. enabled opus_decoder    && prepend avcodec_deps "swresample"

  5658. 

  5659. expand_deps(){

  5660.     lib_deps=${1}_deps

  5661.     eval "deps=\$$lib_deps"

  5662.     append $lib_deps $(map 'eval echo \$${v}_deps' $deps)

  5663.     unique $lib_deps

  5664. }

  5665. 

  5666. #we have to remove gpl from the deps here as some code assumes all lib deps are libs

  5667. postproc_deps="$(filter_out 'gpl' $postproc_deps)"

  5668. 

  5669. map 'expand_deps $v' $LIBRARY_LIST

  5670. 

  5671. echo "install prefix            $prefix"

  5672. echo "source path               $source_path"

  5673. echo "C compiler                $cc"

  5674. echo "C library                 $libc_type"

  5675. if test "$host_cc" != "$cc"; then

  5676.     echo "host C compiler           $host_cc"

  5677.     echo "host C library            $host_libc_type"

  5678. fi

  5679. echo "ARCH                      $arch ($cpu)"

  5680. if test "$build_suffix" != ""; then

  5681.     echo "build suffix              $build_suffix"

  5682. fi

  5683. if test "$progs_suffix" != ""; then

  5684.     echo "progs suffix              $progs_suffix"

  5685. fi

  5686. if test "$extra_version" != ""; then

  5687.     echo "version string suffix     $extra_version"

  5688. fi

  5689. echo "big-endian                ${bigendian-no}"

  5690. echo "runtime cpu detection     ${runtime_cpudetect-no}"

  5691. if enabled x86; then

  5692.     echo "${yasmexe}                      ${yasm-no}"

  5693.     echo "MMX enabled               ${mmx-no}"

  5694.     echo "MMXEXT enabled            ${mmxext-no}"

  5695.     echo "3DNow! enabled            ${amd3dnow-no}"

  5696.     echo "3DNow! extended enabled   ${amd3dnowext-no}"

  5697.     echo "SSE enabled               ${sse-no}"

  5698.     echo "SSSE3 enabled             ${ssse3-no}"

  5699.     echo "AVX enabled               ${avx-no}"

  5700.     echo "XOP enabled               ${xop-no}"

  5701.     echo "FMA3 enabled              ${fma3-no}"

  5702.     echo "FMA4 enabled              ${fma4-no}"

  5703.     echo "i686 features enabled     ${i686-no}"

  5704.     echo "CMOV is fast              ${fast_cmov-no}"

  5705.     echo "EBX available             ${ebx_available-no}"

  5706.     echo "EBP available             ${ebp_available-no}"

  5707. fi

  5708. if enabled aarch64; then

  5709.     echo "NEON enabled              ${neon-no}"

  5710.     echo "VFP enabled               ${vfp-no}"

  5711. fi

  5712. if enabled arm; then

  5713.     echo "ARMv5TE enabled           ${armv5te-no}"

  5714.     echo "ARMv6 enabled             ${armv6-no}"

  5715.     echo "ARMv6T2 enabled           ${armv6t2-no}"

  5716.     echo "VFP enabled               ${vfp-no}"

  5717.     echo "NEON enabled              ${neon-no}"

  5718.     echo "THUMB enabled             ${thumb-no}"

  5719. fi

  5720. if enabled mips; then

  5721.     echo "MIPS FPU enabled          ${mipsfpu-no}"

  5722.     echo "MIPS32R5 enabled          ${mips32r5-no}"

  5723.     echo "MIPS64R6 enabled          ${mips64r6-no}"

  5724.     echo "MIPS DSP R1 enabled       ${mipsdspr1-no}"

  5725.     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"

  5726.     echo "MIPS MSA enabled          ${msa-no}"

  5727.     echo "LOONGSON3 enabled         ${loongson3-no}"

  5728. fi

  5729. if enabled ppc; then

  5730.     echo "AltiVec enabled           ${altivec-no}"

  5731.     echo "PPC 4xx optimizations     ${ppc4xx-no}"

  5732.     echo "PPC VSX optimizations     ${vsx-no}"

  5733.     echo "dcbzl available           ${dcbzl-no}"

  5734. fi

  5735. echo "debug symbols             ${debug-no}"

  5736. echo "strip symbols             ${stripping-no}"

  5737. echo "optimize for size         ${small-no}"

  5738. echo "optimizations             ${optimizations-no}"

  5739. echo "static                    ${static-no}"

  5740. echo "shared                    ${shared-no}"

  5741. echo "postprocessing support    ${postproc-no}"

  5742. echo "new filter support        ${avfilter-no}"

  5743. echo "network support           ${network-no}"

  5744. echo "threading support         ${thread_type-no}"

  5745. echo "safe bitstream reader     ${safe_bitstream_reader-no}"

  5746. echo "SDL support               ${sdl-no}"

  5747. echo "opencl enabled            ${opencl-no}"

  5748. echo "texi2html enabled         ${texi2html-no}"

  5749. echo "perl enabled              ${perl-no}"

  5750. echo "pod2man enabled           ${pod2man-no}"

  5751. echo "makeinfo enabled          ${makeinfo-no}"

  5752. echo "makeinfo supports HTML    ${makeinfo_html-no}"

  5753. test -n "$random_seed" &&

  5754.     echo "random seed               ${random_seed}"

  5755. echo

  5756. 

  5757. echo "External libraries:"

  5758. print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns

  5759. echo

  5760. 

  5761. for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do

  5762.     echo "Enabled ${type}s:"

  5763.     eval list=\$$(toupper $type)_LIST

  5764.     print_enabled '_*' $list | print_3_columns

  5765.     echo

  5766. done

  5767. 

  5768. license="LGPL version 2.1 or later"

  5769. if enabled nonfree; then

  5770.     license="nonfree and unredistributable"

  5771. elif enabled gplv3; then

  5772.     license="GPL version 3 or later"

  5773. elif enabled lgplv3; then

  5774.     license="LGPL version 3 or later"

  5775. elif enabled gpl; then

  5776.     license="GPL version 2 or later"

  5777. fi

  5778. 

  5779. echo "License: $license"

  5780. 

  5781. echo "Creating config.mak, config.h, and doc/config.texi..."

  5782. 

  5783. test -e Makefile || echo "include $source_path/Makefile" > Makefile

  5784. 

  5785. enabled stripping || strip="echo skipping strip"

  5786. 

  5787. config_files="$TMPH config.mak doc/config.texi"

  5788. 

  5789. cat > config.mak <<EOF

  5790. # Automatically generated by configure - do not modify!

  5791. ifndef FFMPEG_CONFIG_MAK

  5792. FFMPEG_CONFIG_MAK=1

  5793. FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION

  5794. prefix=$prefix

  5795. LIBDIR=\$(DESTDIR)$libdir

  5796. SHLIBDIR=\$(DESTDIR)$shlibdir

  5797. INCDIR=\$(DESTDIR)$incdir

  5798. BINDIR=\$(DESTDIR)$bindir

  5799. DATADIR=\$(DESTDIR)$datadir

  5800. DOCDIR=\$(DESTDIR)$docdir

  5801. MANDIR=\$(DESTDIR)$mandir

  5802. SRC_PATH=$source_path

  5803. ifndef MAIN_MAKEFILE

  5804. SRC_PATH:=\$(SRC_PATH:.%=..%)

  5805. endif

  5806. CC_IDENT=$cc_ident

  5807. ARCH=$arch

  5808. INTRINSICS=$intrinsics

  5809. CC=$cc

  5810. CXX=$cxx

  5811. AS=$as

  5812. LD=$ld

  5813. DEPCC=$dep_cc

  5814. DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)

  5815. DEPAS=$as

  5816. DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)

  5817. YASM=$yasmexe

  5818. DEPYASM=$yasmexe

  5819. AR=$ar

  5820. ARFLAGS=$arflags

  5821. AR_O=$ar_o

  5822. RANLIB=$ranlib

  5823. STRIP=$strip

  5824. CP=cp -p

  5825. LN_S=$ln_s

  5826. CPPFLAGS=$CPPFLAGS

  5827. CFLAGS=$CFLAGS

  5828. CXXFLAGS=$CXXFLAGS

  5829. ASFLAGS=$ASFLAGS

  5830. AS_C=$AS_C

  5831. AS_O=$AS_O

  5832. CC_C=$CC_C

  5833. CC_E=$CC_E

  5834. CC_O=$CC_O

  5835. CXX_C=$CXX_C

  5836. CXX_O=$CXX_O

  5837. LD_O=$LD_O

  5838. LD_LIB=$LD_LIB

  5839. LD_PATH=$LD_PATH

  5840. DLLTOOL=$dlltool

  5841. WINDRES=$windres

  5842. DEPWINDRES=$dep_cc

  5843. DOXYGEN=$doxygen

  5844. LDFLAGS=$LDFLAGS

  5845. LDEXEFLAGS=$LDEXEFLAGS

  5846. SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))

  5847. ASMSTRIPFLAGS=$ASMSTRIPFLAGS

  5848. YASMFLAGS=$YASMFLAGS

  5849. BUILDSUF=$build_suffix

  5850. PROGSSUF=$progs_suffix

  5851. FULLNAME=$FULLNAME

  5852. LIBPREF=$LIBPREF

  5853. LIBSUF=$LIBSUF

  5854. LIBNAME=$LIBNAME

  5855. SLIBPREF=$SLIBPREF

  5856. SLIBSUF=$SLIBSUF

  5857. EXESUF=$EXESUF

  5858. EXTRA_VERSION=$extra_version

  5859. CCDEP=$CCDEP

  5860. CXXDEP=$CXXDEP

  5861. CCDEP_FLAGS=$CCDEP_FLAGS

  5862. ASDEP=$ASDEP

  5863. ASDEP_FLAGS=$ASDEP_FLAGS

  5864. CC_DEPFLAGS=$CC_DEPFLAGS

  5865. AS_DEPFLAGS=$AS_DEPFLAGS

  5866. HOSTCC=$host_cc

  5867. HOSTLD=$host_ld

  5868. HOSTCFLAGS=$host_cflags

  5869. HOSTCPPFLAGS=$host_cppflags

  5870. HOSTEXESUF=$HOSTEXESUF

  5871. HOSTLDFLAGS=$host_ldflags

  5872. HOSTLIBS=$host_libs

  5873. DEPHOSTCC=$host_cc

  5874. DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)

  5875. HOSTCCDEP=$HOSTCCDEP

  5876. HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS

  5877. HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS

  5878. HOSTCC_C=$HOSTCC_C

  5879. HOSTCC_O=$HOSTCC_O

  5880. HOSTLD_O=$HOSTLD_O

  5881. TARGET_EXEC=$target_exec $target_exec_args

  5882. TARGET_PATH=$target_path

  5883. TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}

  5884. CFLAGS-ffplay=$sdl_cflags

  5885. ZLIB=$($ldflags_filter -lz)

  5886. LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD

  5887. EXTRALIBS=$extralibs

  5888. COMPAT_OBJS=$compat_objs

  5889. EXEOBJS=$exeobjs

  5890. INSTALL=$install

  5891. LIBTARGET=${LIBTARGET}

  5892. SLIBNAME=${SLIBNAME}

  5893. SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}

  5894. SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}

  5895. SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}

  5896. SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}

  5897. SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}

  5898. SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}

  5899. SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}

  5900. SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}

  5901. SAMPLES:=${samples:-\$(FATE_SAMPLES)}

  5902. NOREDZONE_FLAGS=$noredzone_flags

  5903. EOF

  5904. 

  5905. get_version(){

  5906.     lcname=lib${1}

  5907.     name=$(toupper $lcname)

  5908.     file=$source_path/$lcname/version.h

  5909.     eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")

  5910.     enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))

  5911.     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO

  5912.     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak

  5913.     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak

  5914.     eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak

  5915. }

  5916. 

  5917. map 'get_version $v' $LIBRARY_LIST

  5918. 

  5919. map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST

  5920. 

  5921. print_program_libs(){

  5922.     eval "program_libs=\$${1}_libs"

  5923.     eval echo "LIBS-${1}=${program_libs}" >> config.mak

  5924. }

  5925. 

  5926. map 'print_program_libs $v' $PROGRAM_LIST

  5927. 

  5928. cat > $TMPH <<EOF

  5929. /* Automatically generated by configure - do not modify! */

  5930. #ifndef FFMPEG_CONFIG_H

  5931. #define FFMPEG_CONFIG_H

  5932. #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"

  5933. #define FFMPEG_LICENSE "$(c_escape $license)"

  5934. #define CONFIG_THIS_YEAR 2015

  5935. #define FFMPEG_DATADIR "$(eval c_escape $datadir)"

  5936. #define AVCONV_DATADIR "$(eval c_escape $datadir)"

  5937. #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"

  5938. #define av_restrict $_restrict

  5939. #define EXTERN_PREFIX "${extern_prefix}"

  5940. #define EXTERN_ASM ${extern_prefix}

  5941. #define BUILDSUF "$build_suffix"

  5942. #define SLIBSUF "$SLIBSUF"

  5943. #define HAVE_MMX2 HAVE_MMXEXT

  5944. #define SWS_MAX_FILTER_SIZE $sws_max_filter_size

  5945. EOF

  5946. 

  5947. test -n "$assert_level" &&

  5948.     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH

  5949. 

  5950. test -n "$malloc_prefix" &&

  5951.     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH

  5952. 

  5953. if enabled yasm; then

  5954.     append config_files $TMPASM

  5955.     printf '' >$TMPASM

  5956. fi

  5957. 

  5958. enabled getenv || echo "#define getenv(x) NULL" >> $TMPH

  5959. 

  5960. 

  5961. mkdir -p doc

  5962. mkdir -p tests

  5963. echo "@c auto-generated by configure" > doc/config.texi

  5964. 

  5965. print_config ARCH_   "$config_files" $ARCH_LIST

  5966. print_config HAVE_   "$config_files" $HAVE_LIST

  5967. print_config CONFIG_ "$config_files" $CONFIG_LIST       \

  5968.                                      $CONFIG_EXTRA      \

  5969.                                      $ALL_COMPONENTS    \

  5970. 

  5971. echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH

  5972. echo "endif # FFMPEG_CONFIG_MAK" >> config.mak

  5973. 

  5974. # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.

  5975. cp_if_changed $TMPH config.h

  5976. touch .config

  5977. 

  5978. enabled yasm && cp_if_changed $TMPASM config.asm

  5979. 

  5980. cat > $TMPH <<EOF

  5981. /* Generated by ffconf */

  5982. #ifndef AVUTIL_AVCONFIG_H

  5983. #define AVUTIL_AVCONFIG_H

  5984. EOF

  5985. 

  5986. print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB

  5987. 

  5988. echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH

  5989. 

  5990. cp_if_changed $TMPH libavutil/avconfig.h

  5991. 

  5992. if test -n "$WARNINGS"; then

  5993.     printf "\n$WARNINGS"

  5994.     enabled fatal_warnings && exit 1

  5995. fi

  5996. 

  5997. # build pkg-config files

  5998. 

  5999. lib_version(){

  6000.     eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""

  6001. }

  6002. 

  6003. pkgconfig_generate(){

  6004.     name=$1

  6005.     shortname=${name#lib}${build_suffix}

  6006.     comment=$2

  6007.     version=$3

  6008.     libs=$4

  6009.     requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))

  6010.     requires=${requires%, }

  6011.     enabled ${name#lib} || return 0

  6012.     mkdir -p $name

  6013.     cat <<EOF > $name/$name${build_suffix}.pc

  6014. prefix=$prefix

  6015. exec_prefix=\${prefix}

  6016. libdir=$libdir

  6017. includedir=$incdir

  6018. 

  6019. Name: $name

  6020. Description: $comment

  6021. Version: $version

  6022. Requires: $(enabled shared || echo $requires)

  6023. Requires.private: $(enabled shared && echo $requires)

  6024. Conflicts:

  6025. Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)

  6026. Libs.private: $(enabled shared && echo $libs)

  6027. Cflags: -I\${includedir}

  6028. EOF

  6029. 

  6030. mkdir -p doc/examples/pc-uninstalled

  6031. includedir=${source_path}

  6032. [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."

  6033.     cat <<EOF > doc/examples/pc-uninstalled/$name.pc

  6034. prefix=

  6035. exec_prefix=

  6036. libdir=\${pcfiledir}/../../../$name

  6037. includedir=${includedir}

  6038. 

  6039. Name: $name

  6040. Description: $comment

  6041. Version: $version

  6042. Requires: $requires

  6043. Conflicts:

  6044. Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)

  6045. Cflags: -I\${includedir}

  6046. EOF

  6047. }

  6048. 

  6049. pkgconfig_generate libavutil     "FFmpeg utility library"               "$LIBAVUTIL_VERSION"     "$LIBRT $LIBM"

  6050. pkgconfig_generate libavcodec    "FFmpeg codec library"                 "$LIBAVCODEC_VERSION"    "$extralibs"

  6051. pkgconfig_generate libavformat   "FFmpeg container format library"      "$LIBAVFORMAT_VERSION"   "$extralibs"

  6052. pkgconfig_generate libavdevice   "FFmpeg device handling library"       "$LIBAVDEVICE_VERSION"   "$extralibs"

  6053. pkgconfig_generate libavfilter   "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION"   "$extralibs"

  6054. pkgconfig_generate libpostproc   "FFmpeg postprocessing library"        "$LIBPOSTPROC_VERSION"   ""

  6055. pkgconfig_generate libavresample "Libav audio resampling library"       "$LIBAVRESAMPLE_VERSION" "$LIBM"

  6056. pkgconfig_generate libswscale    "FFmpeg image rescaling library"       "$LIBSWSCALE_VERSION"    "$LIBM"

  6057. pkgconfig_generate libswresample "FFmpeg audio resampling library"      "$LIBSWRESAMPLE_VERSION" "$LIBM"