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

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

  92.                            not part of the dynamic linker search path

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

  94. 

  95. Licensing options:

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

  97.                            and binaries will be under GPL [no]

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

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

  100.                            and binaries will be unredistributable [no]

  101. 

  102. Configuration options:

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

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

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

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

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

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

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

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

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

  112. 

  113. Program options:

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

  115.   --disable-ffmpeg         disable ffmpeg build

  116.   --disable-ffplay         disable ffplay build

  117.   --disable-ffprobe        disable ffprobe build

  118.   --disable-ffserver       disable ffserver build

  119. 

  120. Documentation options:

  121.   --disable-doc            do not build documentation

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

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

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

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

  126. 

  127. Component options:

  128.   --disable-avdevice       disable libavdevice build

  129.   --disable-avcodec        disable libavcodec build

  130.   --disable-avformat       disable libavformat build

  131.   --disable-avutil         disable libavutil build

  132.   --disable-swresample     disable libswresample build

  133.   --disable-swscale        disable libswscale build

  134.   --disable-postproc       disable libpostproc build

  135.   --disable-avfilter       disable libavfilter build

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

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

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

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

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

  141.   --disable-dct            disable DCT code

  142.   --disable-dwt            disable DWT code

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

  144.   --disable-lsp            disable LSP code

  145.   --disable-lzo            disable LZO decoder code

  146.   --disable-mdct           disable MDCT code

  147.   --disable-rdft           disable RDFT code

  148.   --disable-fft            disable FFT code

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

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

  151. 

  152. Hardware accelerators:

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

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

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

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

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

  158.   --enable-videotoolbox    enable VideoToolbox code [autodetect]

  159. 

  160. Individual component options:

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

  162.   --disable-encoder=NAME   disable encoder NAME

  163.   --enable-encoder=NAME    enable encoder NAME

  164.   --disable-encoders       disable all encoders

  165.   --disable-decoder=NAME   disable decoder NAME

  166.   --enable-decoder=NAME    enable decoder NAME

  167.   --disable-decoders       disable all decoders

  168.   --disable-hwaccel=NAME   disable hwaccel NAME

  169.   --enable-hwaccel=NAME    enable hwaccel NAME

  170.   --disable-hwaccels       disable all hwaccels

  171.   --disable-muxer=NAME     disable muxer NAME

  172.   --enable-muxer=NAME      enable muxer NAME

  173.   --disable-muxers         disable all muxers

  174.   --disable-demuxer=NAME   disable demuxer NAME

  175.   --enable-demuxer=NAME    enable demuxer NAME

  176.   --disable-demuxers       disable all demuxers

  177.   --enable-parser=NAME     enable parser NAME

  178.   --disable-parser=NAME    disable parser NAME

  179.   --disable-parsers        disable all parsers

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

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

  182.   --disable-bsfs           disable all bitstream filters

  183.   --enable-protocol=NAME   enable protocol NAME

  184.   --disable-protocol=NAME  disable protocol NAME

  185.   --disable-protocols      disable all protocols

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

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

  188.   --disable-indevs         disable input devices

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

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

  191.   --disable-outdevs        disable output devices

  192.   --disable-devices        disable all devices

  193.   --enable-filter=NAME     enable filter NAME

  194.   --disable-filter=NAME    disable filter NAME

  195.   --disable-filters        disable all filters

  196. 

  197. External library support:

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

  199.   --disable-bzlib          disable bzlib [autodetect]

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

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

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

  203.                            if openssl is not used [no]

  204.   --disable-iconv          disable iconv [autodetect]

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

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

  207.   --enable-libass          enable libass subtitles rendering,

  208.                            needed for subtitles and ass filter [no]

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

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

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

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

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

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

  215.                            and libraw1394 [no]

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

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

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

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

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

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

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

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

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

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

  226.   --enable-libkvazaar      enable HEVC encoding via libkvazaar [no]

  227.   --enable-libmfx          enable HW acceleration through libmfx

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

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

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

  231.                            native (de)muxer exists [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  257.                            native implementation exists [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  272.   --disable-lzma           disable lzma [autodetect]

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

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

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

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

  277.   --enable-opencl          enable OpenCL code

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

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

  280.                            if gnutls is not used [no]

  281.   --disable-sdl            disable sdl [autodetect]

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

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

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

  285.   --disable-xlib           disable xlib [autodetect]

  286.   --disable-zlib           disable zlib [autodetect]

  287. 

  288. Toolchain options:

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

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

  291.                            instruction selection, may crash on older CPUs)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  327.   --extra-ldlibflags=ELDFLAGS add ELDFLAGS to LDLIBFLAGS [$LDLIBFLAGS]

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

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

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

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

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

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

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

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

  336. 

  337. Advanced options (experts only):

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

  339.   --disable-symver         disable symbol versioning

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

  341.   --disable-safe-bitstream-reader

  342.                            disable buffer boundary checking in bitreaders

  343.                            (faster, but may crash)

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

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

  346. 

  347. Optimization options (experts only):

  348.   --disable-asm            disable all assembly optimizations

  349.   --disable-altivec        disable AltiVec optimizations

  350.   --disable-vsx            disable VSX optimizations

  351.   --disable-power8         disable POWER8 optimizations

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

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

  354.   --disable-mmx            disable MMX optimizations

  355.   --disable-mmxext         disable MMXEXT optimizations

  356.   --disable-sse            disable SSE optimizations

  357.   --disable-sse2           disable SSE2 optimizations

  358.   --disable-sse3           disable SSE3 optimizations

  359.   --disable-ssse3          disable SSSE3 optimizations

  360.   --disable-sse4           disable SSE4 optimizations

  361.   --disable-sse42          disable SSE4.2 optimizations

  362.   --disable-avx            disable AVX optimizations

  363.   --disable-xop            disable XOP optimizations

  364.   --disable-fma3           disable FMA3 optimizations

  365.   --disable-fma4           disable FMA4 optimizations

  366.   --disable-avx2           disable AVX2 optimizations

  367.   --disable-armv5te        disable armv5te optimizations

  368.   --disable-armv6          disable armv6 optimizations

  369.   --disable-armv6t2        disable armv6t2 optimizations

  370.   --disable-vfp            disable VFP optimizations

  371.   --disable-neon           disable NEON optimizations

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

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

  374.   --disable-mips32r5       disable MIPS32R5 optimizations

  375.   --disable-mips64r6       disable MIPS64R6 optimizations

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

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

  378.   --disable-msa            disable MSA optimizations

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

  380.   --disable-mmi            disable Loongson SIMD optimizations

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

  382. 

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

  384.   --disable-debug          disable debugging symbols

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

  386.   --disable-optimizations  disable compiler optimizations

  387.   --enable-extra-warnings  enable more compiler warnings

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

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

  390.                            2 causes a slowdown at runtime.

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

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

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

  394.                            Cannot be combined with --target-exec

  395.   --enable-ftrapv          Trap arithmetic overflows

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

  397.                            \$FATE_SAMPLES at make invocation time.

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

  399.                            used only for debugging purposes)

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

  401.                            should be used only for debugging purposes)

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

  403.   --disable-random

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

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

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

  407.                            (group) and PROB the probability associated with

  408.                            NAME (default 0.5).

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

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

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

  412. 

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

  414. EOF

  415.   exit 0

  416. }

  417. 

  418. quotes='""'

  419. 

  420. log(){

  421.     echo "$@" >> $logfile

  422. }

  423. 

  424. log_file(){

  425.     log BEGIN $1

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

  427.     log END $1

  428. }

  429. 

  430. echolog(){

  431.     log "$@"

  432.     echo "$@"

  433. }

  434. 

  435. warn(){

  436.     log "WARNING: $*"

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

  438. }

  439. 

  440. die(){

  441.     echolog "$@"

  442.     cat <<EOF

  443. 

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

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

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

  447. EOF

  448.     if disabled logging; then

  449.         cat <<EOF

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

  451. include the log this produces with your report.

  452. EOF

  453.     else

  454.         cat <<EOF

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

  456. solve the problem.

  457. EOF

  458.     fi

  459.     exit 1

  460. }

  461. 

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

  463. toupper(){

  464.     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ

  465. }

  466. 

  467. tolower(){

  468.     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz

  469. }

  470. 

  471. c_escape(){

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

  473. }

  474. 

  475. sh_quote(){

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

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

  478.     echo "$v"

  479. }

  480. 

  481. cleanws(){

  482.     echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'

  483. }

  484. 

  485. filter(){

  486.     pat=$1

  487.     shift

  488.     for v; do

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

  490.     done

  491. }

  492. 

  493. filter_out(){

  494.     pat=$1

  495.     shift

  496.     for v; do

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

  498.     done

  499. }

  500. 

  501. map(){

  502.     m=$1

  503.     shift

  504.     for v; do eval $m; done

  505. }

  506. 

  507. add_suffix(){

  508.     suffix=$1

  509.     shift

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

  511. }

  512. 

  513. set_all(){

  514.     value=$1

  515.     shift

  516.     for var in $*; do

  517.         eval $var=$value

  518.     done

  519. }

  520. 

  521. set_weak(){

  522.     value=$1

  523.     shift

  524.     for var; do

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

  526.     done

  527. }

  528. 

  529. sanitize_var_name(){

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

  531. }

  532. 

  533. set_safe(){

  534.     var=$1

  535.     shift

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

  537. }

  538. 

  539. get_safe(){

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

  541. }

  542. 

  543. pushvar(){

  544.     for pvar in $*; do

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

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

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

  548.     done

  549. }

  550. 

  551. popvar(){

  552.     for pvar in $*; do

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

  554.         test $level = 0 && continue

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

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

  557.         eval ${pvar}_level=$level

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

  559.     done

  560. }

  561. 

  562. enable(){

  563.     set_all yes $*

  564. }

  565. 

  566. disable(){

  567.     set_all no $*

  568. }

  569. 

  570. enable_weak(){

  571.     set_weak yes $*

  572. }

  573. 

  574. disable_weak(){

  575.     set_weak no $*

  576. }

  577. 

  578. enable_safe(){

  579.     for var; do

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

  581.     done

  582. }

  583. 

  584. disable_safe(){

  585.     for var; do

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

  587.     done

  588. }

  589. 

  590. do_enable_deep(){

  591.     for var; do

  592.         enabled $var && continue

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

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

  595.         pushvar var sgs

  596.         enable_deep $sel

  597.         popvar sgs

  598.         enable_deep_weak $sgs

  599.         popvar var

  600.     done

  601. }

  602. 

  603. enable_deep(){

  604.     do_enable_deep $*

  605.     enable $*

  606. }

  607. 

  608. enable_deep_weak(){

  609.     for var; do

  610.         disabled $var && continue

  611.         pushvar var

  612.         do_enable_deep $var

  613.         popvar var

  614.         enable_weak $var

  615.     done

  616. }

  617. 

  618. enabled(){

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

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

  621. }

  622. 

  623. disabled(){

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

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

  626. }

  627. 

  628. enabled_all(){

  629.     for opt; do

  630.         enabled $opt || return 1

  631.     done

  632. }

  633. 

  634. disabled_all(){

  635.     for opt; do

  636.         disabled $opt || return 1

  637.     done

  638. }

  639. 

  640. enabled_any(){

  641.     for opt; do

  642.         enabled $opt && return 0

  643.     done

  644. }

  645. 

  646. disabled_any(){

  647.     for opt; do

  648.         disabled $opt && return 0

  649.     done

  650.     return 1

  651. }

  652. 

  653. set_default(){

  654.     for opt; do

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

  656.     done

  657. }

  658. 

  659. is_in(){

  660.     value=$1

  661.     shift

  662.     for var in $*; do

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

  664.     done

  665.     return 1

  666. }

  667. 

  668. do_check_deps(){

  669.     for cfg; do

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

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

  672.         disabled ${cfg}_checking && continue

  673.         enable ${cfg}_checking

  674.         append allopts $cfg

  675. 

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

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

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

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

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

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

  682. 

  683.         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

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

  685.         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

  686. 

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

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

  689.         enabled_all  $dep_all || disable $cfg

  690.         enabled_any  $dep_any || disable $cfg

  691.         disabled_any $dep_sel && disable $cfg

  692. 

  693.         if enabled $cfg; then

  694.             enable_deep $dep_sel

  695.             enable_deep_weak $dep_sgs

  696.         fi

  697. 

  698.         disable ${cfg}_checking

  699.     done

  700. }

  701. 

  702. check_deps(){

  703.     unset allopts

  704. 

  705.     do_check_deps "$@"

  706. 

  707.     for cfg in $allopts; do

  708.         enabled $cfg || continue

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

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

  711.     done

  712. }

  713. 

  714. print_config(){

  715.     pfx=$1

  716.     files=$2

  717.     shift 2

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

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

  720.         {

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

  722.             v = \$2;

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

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

  725.             for (f in files) {

  726.                 file = files[f];

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

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

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

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

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

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

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

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

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

  736.                     yesno = \$2;

  737.                     c2 = tolower(c);

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

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

  740.                 }

  741.             }

  742.         }"

  743. }

  744. 

  745. print_enabled(){

  746.     suf=$1

  747.     shift

  748.     for v; do

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

  750.     done

  751. }

  752. 

  753. append(){

  754.     var=$1

  755.     shift

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

  757. }

  758. 

  759. prepend(){

  760.     var=$1

  761.     shift

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

  763. }

  764. 

  765. unique(){

  766.     var=$1

  767.     uniq_list=""

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

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

  770.     done

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

  772. }

  773. 

  774. add_cppflags(){

  775.     append CPPFLAGS "$@"

  776. }

  777. 

  778. add_cflags(){

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

  780. }

  781. 

  782. add_cxxflags(){

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

  784. }

  785. 

  786. add_asflags(){

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

  788. }

  789. 

  790. add_ldflags(){

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

  792. }

  793. 

  794. add_ldexeflags(){

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

  796. }

  797. 

  798. add_ldlibflags(){

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

  800. }

  801. 

  802. add_stripflags(){

  803.     append ASMSTRIPFLAGS "$@"

  804. }

  805. 

  806. add_extralibs(){

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

  808. }

  809. 

  810. add_host_cppflags(){

  811.     append host_cppflags "$@"

  812. }

  813. 

  814. add_host_cflags(){

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

  816. }

  817. 

  818. add_host_ldflags(){

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

  820. }

  821. 

  822. add_compat(){

  823.     append compat_objs $1

  824.     shift

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

  826. }

  827. 

  828. check_cmd(){

  829.     log "$@"

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

  831. }

  832. 

  833. check_stat(){

  834.     log check_stat "$@"

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

  836. }

  837. 

  838. cc_o(){

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

  840. }

  841. 

  842. cc_e(){

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

  844. }

  845. 

  846. check_cc(){

  847.     log check_cc "$@"

  848.     cat > $TMPC

  849.     log_file $TMPC

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

  851. }

  852. 

  853. check_cxx(){

  854.     log check_cxx "$@"

  855.     cat > $TMPCPP

  856.     log_file $TMPCPP

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

  858. }

  859. 

  860. check_oc(){

  861.     log check_oc "$@"

  862.     cat > $TMPM

  863.     log_file $TMPM

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

  865. }

  866. 

  867. check_cpp(){

  868.     log check_cpp "$@"

  869.     cat > $TMPC

  870.     log_file $TMPC

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

  872. }

  873. 

  874. as_o(){

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

  876. }

  877. 

  878. check_as(){

  879.     log check_as "$@"

  880.     cat > $TMPS

  881.     log_file $TMPS

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

  883. }

  884. 

  885. check_inline_asm(){

  886.     log check_inline_asm "$@"

  887.     name="$1"

  888.     code="$2"

  889.     shift 2

  890.     disable $name

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

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

  893. EOF

  894. }

  895. 

  896. check_insn(){

  897.     log check_insn "$@"

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

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

  900. }

  901. 

  902. check_yasm(){

  903.     log check_yasm "$@"

  904.     echo "$1" > $TMPS

  905.     log_file $TMPS

  906.     shift 1

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

  908. }

  909. 

  910. ld_o(){

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

  912. }

  913. 

  914. check_ld(){

  915.     log check_ld "$@"

  916.     type=$1

  917.     shift 1

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

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

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

  921.     flags=$($ldflags_filter $flags)

  922.     libs=$($ldflags_filter $libs)

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

  924. }

  925. 

  926. print_include(){

  927.     hdr=$1

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

  929.         echo "#include $hdr"    ||

  930.         echo "#include <$hdr>"

  931. }

  932. 

  933. check_code(){

  934.     log check_code "$@"

  935.     check=$1

  936.     headers=$2

  937.     code=$3

  938.     shift 3

  939.     {

  940.         for hdr in $headers; do

  941.             print_include $hdr

  942.         done

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

  944.     } | check_$check "$@"

  945. }

  946. 

  947. check_cppflags(){

  948.     log check_cppflags "$@"

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

  950. int x;

  951. EOF

  952. }

  953. 

  954. test_cflags(){

  955.     log test_cflags "$@"

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

  957.     check_cc "$@" <<EOF

  958. int x;

  959. EOF

  960. }

  961. 

  962. check_cflags(){

  963.     log check_cflags "$@"

  964.     test_cflags "$@" && add_cflags "$@"

  965. }

  966. 

  967. check_cxxflags(){

  968.     log check_cxxflags "$@"

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

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

  971. int x;

  972. EOF

  973. }

  974. 

  975. test_ldflags(){

  976.     log test_ldflags "$@"

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

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

  979. EOF

  980. }

  981. 

  982. check_ldflags(){

  983.     log check_ldflags "$@"

  984.     test_ldflags "$@" && add_ldflags "$@"

  985. }

  986. 

  987. test_stripflags(){

  988.     log test_stripflags "$@"

  989.     # call check_cc to get a fresh TMPO

  990.     check_cc <<EOF

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

  992. EOF

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

  994. }

  995. 

  996. check_stripflags(){

  997.     log check_stripflags "$@"

  998.     test_stripflags "$@" && add_stripflags "$@"

  999. }

  1000. 

  1001. check_header(){

  1002.     log check_header "$@"

  1003.     header=$1

  1004.     shift

  1005.     disable_safe $header

  1006.     check_cpp "$@" <<EOF && enable_safe $header

  1007. #include <$header>

  1008. int x;

  1009. EOF

  1010. }

  1011. 

  1012. check_header_oc(){

  1013.     log check_header_oc "$@"

  1014.     rm -f -- "$TMPO"

  1015.     header=$1

  1016.     shift

  1017.     disable_safe $header

  1018.     {

  1019.        echo "#include <$header>"

  1020.        echo "int main(void) { return 0; }"

  1021.     } | check_oc && check_stat "$TMPO" && enable_safe $headers

  1022. }

  1023. 

  1024. check_func(){

  1025.     log check_func "$@"

  1026.     func=$1

  1027.     shift

  1028.     disable $func

  1029.     check_ld "cc" "$@" <<EOF && enable $func

  1030. extern int $func();

  1031. int main(void){ $func(); }

  1032. EOF

  1033. }

  1034. 

  1035. check_mathfunc(){

  1036.     log check_mathfunc "$@"

  1037.     func=$1

  1038.     narg=$2

  1039.     shift 2

  1040.     test $narg = 2 && args="f, g" || args="f"

  1041.     disable $func

  1042.     check_ld "cc" "$@" <<EOF && enable $func

  1043. #include <math.h>

  1044. float foo(float f, float g) { return $func($args); }

  1045. int main(void){ return (int) foo; }

  1046. EOF

  1047. }

  1048. 

  1049. check_func_headers(){

  1050.     log check_func_headers "$@"

  1051.     headers=$1

  1052.     funcs=$2

  1053.     shift 2

  1054.     {

  1055.         for hdr in $headers; do

  1056.             print_include $hdr

  1057.         done

  1058.         for func in $funcs; do

  1059.             echo "long check_$func(void) { return (long) $func; }"

  1060.         done

  1061.         echo "int main(void) { return 0; }"

  1062.     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers

  1063. }

  1064. 

  1065. check_class_headers_cpp(){

  1066.     log check_class_headers_cpp "$@"

  1067.     headers=$1

  1068.     classes=$2

  1069.     shift 2

  1070.     {

  1071.         for hdr in $headers; do

  1072.             echo "#include <$hdr>"

  1073.         done

  1074.         echo "int main(void) { "

  1075.         i=1

  1076.         for class in $classes; do

  1077.             echo "$class obj$i;"

  1078.             i=$(expr $i + 1)

  1079.         done

  1080.         echo "return 0; }"

  1081.     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers

  1082. }

  1083. 

  1084. check_cpp_condition(){

  1085.     log check_cpp_condition "$@"

  1086.     header=$1

  1087.     condition=$2

  1088.     shift 2

  1089.     check_cpp "$@" <<EOF

  1090. #include <$header>

  1091. #if !($condition)

  1092. #error "unsatisfied condition: $condition"

  1093. #endif

  1094. EOF

  1095. }

  1096. 

  1097. check_lib(){

  1098.     log check_lib "$@"

  1099.     header="$1"

  1100.     func="$2"

  1101.     shift 2

  1102.     check_header $header && check_func $func "$@" && add_extralibs "$@"

  1103. }

  1104. 

  1105. check_lib2(){

  1106.     log check_lib2 "$@"

  1107.     headers="$1"

  1108.     funcs="$2"

  1109.     shift 2

  1110.     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"

  1111. }

  1112. 

  1113. check_lib_cpp(){

  1114.     log check_lib_cpp "$@"

  1115.     headers="$1"

  1116.     classes="$2"

  1117.     shift 2

  1118.     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"

  1119. }

  1120. 

  1121. check_pkg_config(){

  1122.     log check_pkg_config "$@"

  1123.     pkgandversion="$1"

  1124.     pkg="${1%% *}"

  1125.     headers="$2"

  1126.     funcs="$3"

  1127.     shift 3

  1128.     check_cmd $pkg_config --exists --print-errors $pkgandversion || return

  1129.     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)

  1130.     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)

  1131.     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&

  1132.         set_safe "${pkg}_cflags" $pkg_cflags   &&

  1133.         set_safe "${pkg}_libs"   $pkg_libs

  1134. }

  1135. 

  1136. check_exec(){

  1137.     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }

  1138. }

  1139. 

  1140. check_exec_crash(){

  1141.     code=$(cat)

  1142. 

  1143.     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)

  1144.     # are safe but may not be available everywhere.  Thus we use

  1145.     # raise(SIGTERM) instead.  The check is run in a subshell so we

  1146.     # can redirect the "Terminated" message from the shell.  SIGBUS

  1147.     # is not defined by standard C so it is used conditionally.

  1148. 

  1149.     (check_exec "$@") >> $logfile 2>&1 <<EOF

  1150. #include <signal.h>

  1151. static void sighandler(int sig){

  1152.     raise(SIGTERM);

  1153. }

  1154. int foo(void){

  1155.     $code

  1156. }

  1157. int (*func_ptr)(void) = foo;

  1158. int main(void){

  1159.     signal(SIGILL, sighandler);

  1160.     signal(SIGFPE, sighandler);

  1161.     signal(SIGSEGV, sighandler);

  1162. #ifdef SIGBUS

  1163.     signal(SIGBUS, sighandler);

  1164. #endif

  1165.     return func_ptr();

  1166. }

  1167. EOF

  1168. }

  1169. 

  1170. check_type(){

  1171.     log check_type "$@"

  1172.     headers=$1

  1173.     type=$2

  1174.     shift 2

  1175.     disable_safe "$type"

  1176.     check_code cc "$headers" "$type v" "$@" && enable_safe "$type"

  1177. }

  1178. 

  1179. check_struct(){

  1180.     log check_struct "$@"

  1181.     headers=$1

  1182.     struct=$2

  1183.     member=$3

  1184.     shift 3

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

  1186.     check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&

  1187.         enable_safe "${struct}_${member}"

  1188. }

  1189. 

  1190. check_builtin(){

  1191.     log check_builtin "$@"

  1192.     name=$1

  1193.     headers=$2

  1194.     builtin=$3

  1195.     shift 3

  1196.     disable "$name"

  1197.     check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"

  1198. }

  1199. 

  1200. check_compile_assert(){

  1201.     log check_compile_assert "$@"

  1202.     name=$1

  1203.     headers=$2

  1204.     condition=$3

  1205.     shift 3

  1206.     disable "$name"

  1207.     check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"

  1208. }

  1209. 

  1210. require(){

  1211.     name="$1"

  1212.     header="$2"

  1213.     func="$3"

  1214.     shift 3

  1215.     check_lib $header $func "$@" || die "ERROR: $name not found"

  1216. }

  1217. 

  1218. require2(){

  1219.     name="$1"

  1220.     headers="$2"

  1221.     func="$3"

  1222.     shift 3

  1223.     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"

  1224. }

  1225. 

  1226. require_cpp(){

  1227.     name="$1"

  1228.     headers="$2"

  1229.     classes="$3"

  1230.     shift 3

  1231.     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"

  1232. }

  1233. 

  1234. use_pkg_config(){

  1235.     pkg="$1"

  1236.     check_pkg_config "$@" || return 1

  1237.     add_cflags    $(get_safe "${pkg}_cflags")

  1238.     add_extralibs $(get_safe "${pkg}_libs")

  1239. }

  1240. 

  1241. require_pkg_config(){

  1242.     use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"

  1243. }

  1244. 

  1245. require_libfreetype(){

  1246.     log require_libfreetype "$@"

  1247.     pkg="freetype2"

  1248.     check_cmd $pkg_config --exists --print-errors $pkg \

  1249.       || die "ERROR: $pkg not found"

  1250.     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)

  1251.     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)

  1252.     {

  1253.         echo "#include <ft2build.h>"

  1254.         echo "#include FT_FREETYPE_H"

  1255.         echo "long check_func(void) { return (long) FT_Init_FreeType; }"

  1256.         echo "int main(void) { return 0; }"

  1257.     } | check_ld "cc" $pkg_cflags $pkg_libs \

  1258.       && set_safe "${pkg}_cflags" $pkg_cflags \

  1259.       && set_safe "${pkg}_libs"   $pkg_libs \

  1260.       || die "ERROR: $pkg not found"

  1261.     add_cflags    $(get_safe "${pkg}_cflags")

  1262.     add_extralibs $(get_safe "${pkg}_libs")

  1263. }

  1264. 

  1265. hostcc_e(){

  1266.     eval printf '%s\\n' $HOSTCC_E

  1267. }

  1268. 

  1269. hostcc_o(){

  1270.     eval printf '%s\\n' $HOSTCC_O

  1271. }

  1272. 

  1273. check_host_cc(){

  1274.     log check_host_cc "$@"

  1275.     cat > $TMPC

  1276.     log_file $TMPC

  1277.     check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC

  1278. }

  1279. 

  1280. check_host_cpp(){

  1281.     log check_host_cpp "$@"

  1282.     cat > $TMPC

  1283.     log_file $TMPC

  1284.     check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC

  1285. }

  1286. 

  1287. check_host_cppflags(){

  1288.     log check_host_cppflags "$@"

  1289.     check_host_cc "$@" <<EOF && append host_cppflags "$@"

  1290. int x;

  1291. EOF

  1292. }

  1293. 

  1294. check_host_cflags(){

  1295.     log check_host_cflags "$@"

  1296.     set -- $($host_cflags_filter "$@")

  1297.     check_host_cc "$@" <<EOF && append host_cflags "$@"

  1298. int x;

  1299. EOF

  1300. }

  1301. 

  1302. check_host_cpp_condition(){

  1303.     log check_host_cpp_condition "$@"

  1304.     header=$1

  1305.     condition=$2

  1306.     shift 2

  1307.     check_host_cpp "$@" <<EOF

  1308. #include <$header>

  1309. #if !($condition)

  1310. #error "unsatisfied condition: $condition"

  1311. #endif

  1312. EOF

  1313. }

  1314. 

  1315. apply(){

  1316.     file=$1

  1317.     shift

  1318.     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"

  1319. }

  1320. 

  1321. cp_if_changed(){

  1322.     cmp -s "$1" "$2" && echo "$2 is unchanged" && return

  1323.     mkdir -p "$(dirname $2)"

  1324.     $cp_f "$1" "$2"

  1325. }

  1326. 

  1327. # CONFIG_LIST contains configurable options, while HAVE_LIST is for

  1328. # system-dependent things.

  1329. 

  1330. COMPONENT_LIST="

  1331.     bsfs

  1332.     decoders

  1333.     demuxers

  1334.     encoders

  1335.     filters

  1336.     hwaccels

  1337.     indevs

  1338.     muxers

  1339.     outdevs

  1340.     parsers

  1341.     protocols

  1342. "

  1343. 

  1344. EXAMPLE_LIST="

  1345.     avio_reading_example

  1346.     avio_dir_cmd_example

  1347.     decoding_encoding_example

  1348.     demuxing_decoding_example

  1349.     extract_mvs_example

  1350.     filter_audio_example

  1351.     filtering_audio_example

  1352.     filtering_video_example

  1353.     metadata_example

  1354.     muxing_example

  1355.     qsvdec_example

  1356.     remuxing_example

  1357.     resampling_audio_example

  1358.     scaling_video_example

  1359.     transcode_aac_example

  1360.     transcoding_example

  1361. "

  1362. 

  1363. EXTERNAL_LIBRARY_LIST="

  1364.     avisynth

  1365.     bzlib

  1366.     crystalhd

  1367.     decklink

  1368.     frei0r

  1369.     gnutls

  1370.     iconv

  1371.     ladspa

  1372.     libaacplus

  1373.     libass

  1374.     libbluray

  1375.     libbs2b

  1376.     libcaca

  1377.     libcdio

  1378.     libcelt

  1379.     libdc1394

  1380.     libdcadec

  1381.     libfaac

  1382.     libfdk_aac

  1383.     libflite

  1384.     libfontconfig

  1385.     libfreetype

  1386.     libfribidi

  1387.     libgme

  1388.     libgsm

  1389.     libiec61883

  1390.     libilbc

  1391.     libkvazaar

  1392.     libmfx

  1393.     libmodplug

  1394.     libmp3lame

  1395.     libnut

  1396.     libopencore_amrnb

  1397.     libopencore_amrwb

  1398.     libopencv

  1399.     libopenh264

  1400.     libopenjpeg

  1401.     libopus

  1402.     libpulse

  1403.     libquvi

  1404.     librtmp

  1405.     libschroedinger

  1406.     libshine

  1407.     libsmbclient

  1408.     libsnappy

  1409.     libsoxr

  1410.     libspeex

  1411.     libssh

  1412.     libstagefright_h264

  1413.     libtheora

  1414.     libtwolame

  1415.     libutvideo

  1416.     libv4l2

  1417.     libvidstab

  1418.     libvo_aacenc

  1419.     libvo_amrwbenc

  1420.     libvorbis

  1421.     libvpx

  1422.     libwavpack

  1423.     libwebp

  1424.     libx264

  1425.     libx265

  1426.     libxavs

  1427.     libxcb

  1428.     libxcb_shm

  1429.     libxcb_shape

  1430.     libxcb_xfixes

  1431.     libxvid

  1432.     libzmq

  1433.     libzvbi

  1434.     lzma

  1435.     mmal

  1436.     nvenc

  1437.     openal

  1438.     opencl

  1439.     opengl

  1440.     openssl

  1441.     sdl

  1442.     securetransport

  1443.     x11grab

  1444.     xlib

  1445.     zlib

  1446. "

  1447. 

  1448. DOCUMENT_LIST="

  1449.     doc

  1450.     htmlpages

  1451.     manpages

  1452.     podpages

  1453.     txtpages

  1454. "

  1455. 

  1456. FEATURE_LIST="

  1457.     ftrapv

  1458.     gray

  1459.     hardcoded_tables

  1460.     runtime_cpudetect

  1461.     safe_bitstream_reader

  1462.     shared

  1463.     small

  1464.     static

  1465.     swscale_alpha

  1466. "

  1467. 

  1468. HWACCEL_LIST="

  1469.     d3d11va

  1470.     dxva2

  1471.     vaapi

  1472.     vda

  1473.     vdpau

  1474.     videotoolbox

  1475.     xvmc

  1476. "

  1477. 

  1478. LIBRARY_LIST="

  1479.     avcodec

  1480.     avdevice

  1481.     avfilter

  1482.     avformat

  1483.     avresample

  1484.     avutil

  1485.     postproc

  1486.     swresample

  1487.     swscale

  1488. "

  1489. 

  1490. LICENSE_LIST="

  1491.     gpl

  1492.     nonfree

  1493.     version3

  1494. "

  1495. 

  1496. PROGRAM_LIST="

  1497.     ffplay

  1498.     ffprobe

  1499.     ffserver

  1500.     ffmpeg

  1501. "

  1502. 

  1503. SUBSYSTEM_LIST="

  1504.     dct

  1505.     dwt

  1506.     error_resilience

  1507.     faan

  1508.     fast_unaligned

  1509.     fft

  1510.     lsp

  1511.     lzo

  1512.     mdct

  1513.     pixelutils

  1514.     network

  1515.     rdft

  1516. "

  1517. 

  1518. CONFIG_LIST="

  1519.     $COMPONENT_LIST

  1520.     $DOCUMENT_LIST

  1521.     $EXAMPLE_LIST

  1522.     $EXTERNAL_LIBRARY_LIST

  1523.     $FEATURE_LIST

  1524.     $HWACCEL_LIST

  1525.     $LICENSE_LIST

  1526.     $LIBRARY_LIST

  1527.     $PROGRAM_LIST

  1528.     $SUBSYSTEM_LIST

  1529.     fontconfig

  1530.     incompatible_libav_abi

  1531.     memalign_hack

  1532.     memory_poisoning

  1533.     neon_clobber_test

  1534.     pic

  1535.     pod2man

  1536.     raise_major

  1537.     thumb

  1538.     valgrind_backtrace

  1539.     xmm_clobber_test

  1540. "

  1541. 

  1542. THREADS_LIST="

  1543.     pthreads

  1544.     os2threads

  1545.     w32threads

  1546. "

  1547. 

  1548. ATOMICS_LIST="

  1549.     atomics_gcc

  1550.     atomics_suncc

  1551.     atomics_win32

  1552. "

  1553. 

  1554. ARCH_LIST="

  1555.     aarch64

  1556.     alpha

  1557.     arm

  1558.     avr32

  1559.     avr32_ap

  1560.     avr32_uc

  1561.     bfin

  1562.     ia64

  1563.     m68k

  1564.     mips

  1565.     mips64

  1566.     parisc

  1567.     ppc

  1568.     ppc64

  1569.     s390

  1570.     sh4

  1571.     sparc

  1572.     sparc64

  1573.     tilegx

  1574.     tilepro

  1575.     tomi

  1576.     x86

  1577.     x86_32

  1578.     x86_64

  1579. "

  1580. 

  1581. ARCH_EXT_LIST_ARM="

  1582.     armv5te

  1583.     armv6

  1584.     armv6t2

  1585.     armv8

  1586.     neon

  1587.     vfp

  1588.     vfpv3

  1589.     setend

  1590. "

  1591. 

  1592. ARCH_EXT_LIST_MIPS="

  1593.     mipsfpu

  1594.     mips32r2

  1595.     mips32r5

  1596.     mips64r6

  1597.     mipsdspr1

  1598.     mipsdspr2

  1599.     msa

  1600. "

  1601. 

  1602. ARCH_EXT_LIST_LOONGSON="

  1603.     loongson2

  1604.     loongson3

  1605.     mmi

  1606. "

  1607. 

  1608. ARCH_EXT_LIST_X86_SIMD="

  1609.     amd3dnow

  1610.     amd3dnowext

  1611.     avx

  1612.     avx2

  1613.     fma3

  1614.     fma4

  1615.     mmx

  1616.     mmxext

  1617.     sse

  1618.     sse2

  1619.     sse3

  1620.     sse4

  1621.     sse42

  1622.     ssse3

  1623.     xop

  1624. "

  1625. 

  1626. ARCH_EXT_LIST_PPC="

  1627.     altivec

  1628.     dcbzl

  1629.     ldbrx

  1630.     power8

  1631.     ppc4xx

  1632.     vsx

  1633. "

  1634. 

  1635. ARCH_EXT_LIST_X86="

  1636.     $ARCH_EXT_LIST_X86_SIMD

  1637.     cpunop

  1638.     i686

  1639. "

  1640. 

  1641. ARCH_EXT_LIST="

  1642.     $ARCH_EXT_LIST_ARM

  1643.     $ARCH_EXT_LIST_PPC

  1644.     $ARCH_EXT_LIST_X86

  1645.     $ARCH_EXT_LIST_MIPS

  1646.     $ARCH_EXT_LIST_LOONGSON

  1647. "

  1648. 

  1649. ARCH_FEATURES="

  1650.     aligned_stack

  1651.     fast_64bit

  1652.     fast_clz

  1653.     fast_cmov

  1654.     local_aligned_8

  1655.     local_aligned_16

  1656.     local_aligned_32

  1657.     simd_align_16

  1658. "

  1659. 

  1660. BUILTIN_LIST="

  1661.     atomic_cas_ptr

  1662.     atomic_compare_exchange

  1663.     machine_rw_barrier

  1664.     MemoryBarrier

  1665.     mm_empty

  1666.     rdtsc

  1667.     sarestart

  1668.     sync_val_compare_and_swap

  1669. "

  1670. HAVE_LIST_CMDLINE="

  1671.     inline_asm

  1672.     symver

  1673.     yasm

  1674. "

  1675. 

  1676. HAVE_LIST_PUB="

  1677.     bigendian

  1678.     fast_unaligned

  1679.     incompatible_libav_abi

  1680. "

  1681. 

  1682. HEADERS_LIST="

  1683.     alsa_asoundlib_h

  1684.     altivec_h

  1685.     arpa_inet_h

  1686.     asm_types_h

  1687.     cdio_paranoia_h

  1688.     cdio_paranoia_paranoia_h

  1689.     dev_bktr_ioctl_bt848_h

  1690.     dev_bktr_ioctl_meteor_h

  1691.     dev_ic_bt8xx_h

  1692.     dev_video_bktr_ioctl_bt848_h

  1693.     dev_video_meteor_ioctl_meteor_h

  1694.     direct_h

  1695.     dirent_h

  1696.     dlfcn_h

  1697.     d3d11_h

  1698.     dxva_h

  1699.     ES2_gl_h

  1700.     gsm_h

  1701.     io_h

  1702.     mach_mach_time_h

  1703.     machine_ioctl_bt848_h

  1704.     machine_ioctl_meteor_h

  1705.     malloc_h

  1706.     openjpeg_1_5_openjpeg_h

  1707.     OpenGL_gl3_h

  1708.     poll_h

  1709.     sndio_h

  1710.     soundcard_h

  1711.     sys_mman_h

  1712.     sys_param_h

  1713.     sys_resource_h

  1714.     sys_select_h

  1715.     sys_soundcard_h

  1716.     sys_time_h

  1717.     sys_un_h

  1718.     sys_videoio_h

  1719.     termios_h

  1720.     udplite_h

  1721.     unistd_h

  1722.     valgrind_valgrind_h

  1723.     windows_h

  1724.     winsock2_h

  1725. "

  1726. 

  1727. INTRINSICS_LIST="

  1728.     intrinsics_neon

  1729. "

  1730. 

  1731. MATH_FUNCS="

  1732.     atanf

  1733.     atan2f

  1734.     cbrt

  1735.     cbrtf

  1736.     copysign

  1737.     cosf

  1738.     erf

  1739.     exp2

  1740.     exp2f

  1741.     expf

  1742.     isinf

  1743.     isnan

  1744.     ldexpf

  1745.     llrint

  1746.     llrintf

  1747.     log2

  1748.     log2f

  1749.     log10f

  1750.     lrint

  1751.     lrintf

  1752.     powf

  1753.     rint

  1754.     round

  1755.     roundf

  1756.     sinf

  1757.     trunc

  1758.     truncf

  1759. "

  1760. 

  1761. SYSTEM_FUNCS="

  1762.     access

  1763.     aligned_malloc

  1764.     clock_gettime

  1765.     closesocket

  1766.     CommandLineToArgvW

  1767.     CoTaskMemFree

  1768.     CryptGenRandom

  1769.     dlopen

  1770.     fcntl

  1771.     flt_lim

  1772.     fork

  1773.     getaddrinfo

  1774.     gethrtime

  1775.     getopt

  1776.     GetProcessAffinityMask

  1777.     GetProcessMemoryInfo

  1778.     GetProcessTimes

  1779.     getrusage

  1780.     getservbyport

  1781.     GetSystemTimeAsFileTime

  1782.     gettimeofday

  1783.     glob

  1784.     glXGetProcAddress

  1785.     gmtime_r

  1786.     inet_aton

  1787.     isatty

  1788.     jack_port_get_latency_range

  1789.     kbhit

  1790.     localtime_r

  1791.     lstat

  1792.     lzo1x_999_compress

  1793.     mach_absolute_time

  1794.     MapViewOfFile

  1795.     memalign

  1796.     mkstemp

  1797.     mmap

  1798.     mprotect

  1799.     nanosleep

  1800.     PeekNamedPipe

  1801.     posix_memalign

  1802.     pthread_cancel

  1803.     sched_getaffinity

  1804.     SetConsoleTextAttribute

  1805.     SetConsoleCtrlHandler

  1806.     setmode

  1807.     setrlimit

  1808.     Sleep

  1809.     strerror_r

  1810.     sysconf

  1811.     sysctl

  1812.     usleep

  1813.     VirtualAlloc

  1814.     wglGetProcAddress

  1815. "

  1816. 

  1817. TOOLCHAIN_FEATURES="

  1818.     as_dn_directive

  1819.     as_func

  1820.     as_object_arch

  1821.     asm_mod_q

  1822.     attribute_may_alias

  1823.     attribute_packed

  1824.     ebp_available

  1825.     ebx_available

  1826.     gnu_as

  1827.     gnu_windres

  1828.     ibm_asm

  1829.     inline_asm_labels

  1830.     inline_asm_nonlocal_labels

  1831.     inline_asm_direct_symbol_refs

  1832.     pragma_deprecated

  1833.     rsync_contimeout

  1834.     symver_asm_label

  1835.     symver_gnu_asm

  1836.     vfp_args

  1837.     xform_asm

  1838.     xmm_clobbers

  1839. "

  1840. 

  1841. TYPES_LIST="

  1842.     CONDITION_VARIABLE_Ptr

  1843.     socklen_t

  1844.     struct_addrinfo

  1845.     struct_dcadec_exss_info_matrix_encoding

  1846.     struct_group_source_req

  1847.     struct_ip_mreq_source

  1848.     struct_ipv6_mreq

  1849.     struct_pollfd

  1850.     struct_rusage_ru_maxrss

  1851.     struct_sctp_event_subscribe

  1852.     struct_sockaddr_in6

  1853.     struct_sockaddr_sa_len

  1854.     struct_sockaddr_storage

  1855.     struct_stat_st_mtim_tv_nsec

  1856.     struct_v4l2_frmivalenum_discrete

  1857. "

  1858. 

  1859. HAVE_LIST="

  1860.     $ARCH_EXT_LIST

  1861.     $(add_suffix _external $ARCH_EXT_LIST)

  1862.     $(add_suffix _inline   $ARCH_EXT_LIST)

  1863.     $ARCH_FEATURES

  1864.     $ATOMICS_LIST

  1865.     $BUILTIN_LIST

  1866.     $HAVE_LIST_CMDLINE

  1867.     $HAVE_LIST_PUB

  1868.     $HEADERS_LIST

  1869.     $INTRINSICS_LIST

  1870.     $MATH_FUNCS

  1871.     $SYSTEM_FUNCS

  1872.     $THREADS_LIST

  1873.     $TOOLCHAIN_FEATURES

  1874.     $TYPES_LIST

  1875.     atomics_native

  1876.     dos_paths

  1877.     dxva2api_cobj

  1878.     dxva2_lib

  1879.     libc_msvcrt

  1880.     libdc1394_1

  1881.     libdc1394_2

  1882.     makeinfo

  1883.     makeinfo_html

  1884.     perl

  1885.     pod2man

  1886.     sdl

  1887.     section_data_rel_ro

  1888.     texi2html

  1889.     threads

  1890.     vaapi_x11

  1891.     vdpau_x11

  1892.     xlib

  1893. "

  1894. 

  1895. # options emitted with CONFIG_ prefix but not available on the command line

  1896. CONFIG_EXTRA="

  1897.     aandcttables

  1898.     ac3dsp

  1899.     audio_frame_queue

  1900.     audiodsp

  1901.     blockdsp

  1902.     bswapdsp

  1903.     cabac

  1904.     dvprofile

  1905.     exif

  1906.     faandct

  1907.     faanidct

  1908.     fdctdsp

  1909.     flacdsp

  1910.     fmtconvert

  1911.     frame_thread_encoder

  1912.     g722dsp

  1913.     gcrypt

  1914.     gmp

  1915.     golomb

  1916.     gplv3

  1917.     h263dsp

  1918.     h264chroma

  1919.     h264dsp

  1920.     h264pred

  1921.     h264qpel

  1922.     hpeldsp

  1923.     huffman

  1924.     huffyuvdsp

  1925.     huffyuvencdsp

  1926.     idctdsp

  1927.     iirfilter

  1928.     imdct15

  1929.     intrax8

  1930.     ividsp

  1931.     jpegtables

  1932.     libx262

  1933.     lgplv3

  1934.     llauddsp

  1935.     llviddsp

  1936.     lpc

  1937.     me_cmp

  1938.     mpeg_er

  1939.     mpegaudio

  1940.     mpegaudiodsp

  1941.     mpegvideo

  1942.     mpegvideoenc

  1943.     mss34dsp

  1944.     pixblockdsp

  1945.     qpeldsp

  1946.     qsv

  1947.     qsvdec

  1948.     qsvenc

  1949.     rangecoder

  1950.     riffdec

  1951.     riffenc

  1952.     rtpdec

  1953.     rtpenc_chain

  1954.     rv34dsp

  1955.     sinewin

  1956.     snappy

  1957.     startcode

  1958.     texturedsp

  1959.     texturedspenc

  1960.     tpeldsp

  1961.     videodsp

  1962.     vp3dsp

  1963.     vp56dsp

  1964.     vp8dsp

  1965.     wma_freqs

  1966.     wmv2dsp

  1967. "

  1968. 

  1969. CMDLINE_SELECT="

  1970.     $ARCH_EXT_LIST

  1971.     $CONFIG_LIST

  1972.     $HAVE_LIST_CMDLINE

  1973.     $THREADS_LIST

  1974.     asm

  1975.     cross_compile

  1976.     debug

  1977.     extra_warnings

  1978.     logging

  1979.     lto

  1980.     optimizations

  1981.     rpath

  1982.     stripping

  1983. "

  1984. 

  1985. PATHS_LIST="

  1986.     bindir

  1987.     datadir

  1988.     docdir

  1989.     incdir

  1990.     libdir

  1991.     mandir

  1992.     pkgconfigdir

  1993.     prefix

  1994.     shlibdir

  1995. "

  1996. 

  1997. CMDLINE_SET="

  1998.     $PATHS_LIST

  1999.     ar

  2000.     arch

  2001.     as

  2002.     assert_level

  2003.     build_suffix

  2004.     cc

  2005.     cpu

  2006.     cross_prefix

  2007.     cxx

  2008.     dep_cc

  2009.     doxygen

  2010.     env

  2011.     extra_version

  2012.     gas

  2013.     host_cc

  2014.     host_cflags

  2015.     host_ld

  2016.     host_ldflags

  2017.     host_libs

  2018.     host_os

  2019.     install

  2020.     ld

  2021.     logfile

  2022.     malloc_prefix

  2023.     nm

  2024.     optflags

  2025.     pkg_config

  2026.     pkg_config_flags

  2027.     progs_suffix

  2028.     random_seed

  2029.     ranlib

  2030.     samples

  2031.     strip

  2032.     sws_max_filter_size

  2033.     sysinclude

  2034.     sysroot

  2035.     target_exec

  2036.     target_os

  2037.     target_path

  2038.     target_samples

  2039.     tempprefix

  2040.     toolchain

  2041.     valgrind

  2042.     yasmexe

  2043. "

  2044. 

  2045. CMDLINE_APPEND="

  2046.     extra_cflags

  2047.     extra_cxxflags

  2048.     host_cppflags

  2049. "

  2050. 

  2051. # code dependency declarations

  2052. 

  2053. # architecture extensions

  2054. 

  2055. armv5te_deps="arm"

  2056. armv6_deps="arm"

  2057. armv6t2_deps="arm"

  2058. armv8_deps="aarch64"

  2059. neon_deps_any="aarch64 arm"

  2060. intrinsics_neon_deps="neon"

  2061. vfp_deps_any="aarch64 arm"

  2062. vfpv3_deps="vfp"

  2063. setend_deps="arm"

  2064. 

  2065. map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM

  2066. 

  2067. mipsfpu_deps="mips"

  2068. mipsdspr1_deps="mips"

  2069. mipsdspr2_deps="mips"

  2070. mips32r2_deps="mips"

  2071. mips32r5_deps="mips"

  2072. mips64r6_deps="mips"

  2073. msa_deps="mips"

  2074. mmi_deps="mips"

  2075. 

  2076. altivec_deps="ppc"

  2077. dcbzl_deps="ppc"

  2078. ldbrx_deps="ppc"

  2079. ppc4xx_deps="ppc"

  2080. vsx_deps="altivec"

  2081. power8_deps="vsx"

  2082. 

  2083. cpunop_deps="i686"

  2084. x86_64_select="i686"

  2085. x86_64_suggest="fast_cmov"

  2086. 

  2087. amd3dnow_deps="mmx"

  2088. amd3dnowext_deps="amd3dnow"

  2089. i686_deps="x86"

  2090. mmx_deps="x86"

  2091. mmxext_deps="mmx"

  2092. sse_deps="mmxext"

  2093. sse2_deps="sse"

  2094. sse3_deps="sse2"

  2095. ssse3_deps="sse3"

  2096. sse4_deps="ssse3"

  2097. sse42_deps="sse4"

  2098. avx_deps="sse42"

  2099. xop_deps="avx"

  2100. fma3_deps="avx"

  2101. fma4_deps="avx"

  2102. avx2_deps="avx"

  2103. 

  2104. mmx_external_deps="yasm"

  2105. mmx_inline_deps="inline_asm"

  2106. mmx_suggest="mmx_external mmx_inline"

  2107. 

  2108. for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do

  2109.     eval dep=\$${ext}_deps

  2110.     eval ${ext}_external_deps='"${dep}_external"'

  2111.     eval ${ext}_inline_deps='"${dep}_inline"'

  2112.     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'

  2113. done

  2114. 

  2115. aligned_stack_if_any="aarch64 ppc x86"

  2116. fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"

  2117. fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"

  2118. fast_unaligned_if_any="aarch64 ppc x86"

  2119. simd_align_16_if_any="altivec neon sse"

  2120. 

  2121. # system capabilities

  2122. symver_if_any="symver_asm_label symver_gnu_asm"

  2123. valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"

  2124. 

  2125. # threading support

  2126. atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"

  2127. atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"

  2128. atomics_win32_if="MemoryBarrier"

  2129. atomics_native_if_any="$ATOMICS_LIST"

  2130. w32threads_deps="atomics_native"

  2131. threads_if_any="$THREADS_LIST"

  2132. 

  2133. # subsystems

  2134. dct_select="rdft"

  2135. error_resilience_select="me_cmp"

  2136. faandct_deps="faan fdctdsp"

  2137. faanidct_deps="faan idctdsp"

  2138. frame_thread_encoder_deps="encoders threads"

  2139. intrax8_select="error_resilience"

  2140. mdct_select="fft"

  2141. rdft_select="fft"

  2142. me_cmp_select="fdctdsp idctdsp pixblockdsp"

  2143. mpeg_er_select="error_resilience"

  2144. mpegaudio_select="mpegaudiodsp"

  2145. mpegaudiodsp_select="dct"

  2146. mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"

  2147. mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"

  2148. qsvdec_select="qsv"

  2149. qsvenc_select="qsv"

  2150. 

  2151. # decoders / encoders

  2152. aac_decoder_select="imdct15 mdct sinewin"

  2153. aac_fixed_decoder_select="mdct sinewin"

  2154. aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"

  2155. aac_latm_decoder_select="aac_decoder aac_latm_parser"

  2156. ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"

  2157. ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"

  2158. ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2159. ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2160. adpcm_g722_decoder_select="g722dsp"

  2161. adpcm_g722_encoder_select="g722dsp"

  2162. aic_decoder_select="golomb idctdsp"

  2163. alac_encoder_select="lpc"

  2164. als_decoder_select="bswapdsp"

  2165. amrnb_decoder_select="lsp"

  2166. amrwb_decoder_select="lsp"

  2167. amv_decoder_select="sp5x_decoder exif"

  2168. amv_encoder_select="aandcttables jpegtables mpegvideoenc"

  2169. ape_decoder_select="bswapdsp llauddsp"

  2170. apng_decoder_select="zlib"

  2171. apng_encoder_select="huffyuvencdsp zlib"

  2172. asv1_decoder_select="blockdsp bswapdsp idctdsp"

  2173. asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2174. asv2_decoder_select="blockdsp bswapdsp idctdsp"

  2175. asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2176. atrac1_decoder_select="mdct sinewin"

  2177. atrac3_decoder_select="mdct"

  2178. atrac3p_decoder_select="mdct sinewin"

  2179. avrn_decoder_select="exif jpegtables"

  2180. bink_decoder_select="blockdsp hpeldsp"

  2181. binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"

  2182. binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"

  2183. cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"

  2184. cllc_decoder_select="bswapdsp"

  2185. comfortnoise_encoder_select="lpc"

  2186. cook_decoder_select="audiodsp mdct sinewin"

  2187. cscd_decoder_select="lzo"

  2188. cscd_decoder_suggest="zlib"

  2189. dca_decoder_select="fmtconvert mdct"

  2190. dds_decoder_select="texturedsp"

  2191. dirac_decoder_select="dwt golomb videodsp mpegvideoenc"

  2192. dnxhd_decoder_select="blockdsp idctdsp"

  2193. dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"

  2194. dvvideo_decoder_select="dvprofile idctdsp"

  2195. dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"

  2196. dxa_decoder_select="zlib"

  2197. eac3_decoder_select="ac3_decoder"

  2198. eac3_encoder_select="ac3_encoder"

  2199. eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"

  2200. eatgq_decoder_select="aandcttables"

  2201. eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"

  2202. exr_decoder_select="zlib"

  2203. ffv1_decoder_select="golomb rangecoder"

  2204. ffv1_encoder_select="rangecoder"

  2205. ffvhuff_decoder_select="huffyuv_decoder"

  2206. ffvhuff_encoder_select="huffyuv_encoder"

  2207. fic_decoder_select="golomb"

  2208. flac_decoder_select="flacdsp golomb"

  2209. flac_encoder_select="bswapdsp flacdsp golomb lpc"

  2210. flashsv_decoder_select="zlib"

  2211. flashsv_encoder_select="zlib"

  2212. flashsv2_encoder_select="zlib"

  2213. flashsv2_decoder_select="zlib"

  2214. flv_decoder_select="h263_decoder"

  2215. flv_encoder_select="h263_encoder"

  2216. fourxm_decoder_select="blockdsp bswapdsp"

  2217. fraps_decoder_select="bswapdsp huffman"

  2218. g2m_decoder_select="blockdsp idctdsp jpegtables zlib"

  2219. g729_decoder_select="audiodsp"

  2220. h261_decoder_select="mpegvideo"

  2221. h261_encoder_select="aandcttables mpegvideoenc"

  2222. h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"

  2223. h263_encoder_select="aandcttables h263dsp mpegvideoenc"

  2224. h263i_decoder_select="h263_decoder"

  2225. h263p_decoder_select="h263_decoder"

  2226. h263p_encoder_select="h263_encoder"

  2227. h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"

  2228. h264_decoder_suggest="error_resilience"

  2229. h264_qsv_decoder_deps="libmfx"

  2230. h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"

  2231. h264_qsv_encoder_deps="libmfx"

  2232. h264_qsv_encoder_select="qsvenc"

  2233. hap_decoder_select="snappy texturedsp"

  2234. hap_encoder_deps="libsnappy"

  2235. hap_encoder_select="texturedspenc"

  2236. hevc_decoder_select="bswapdsp cabac golomb videodsp"

  2237. hevc_qsv_encoder_deps="libmfx"

  2238. hevc_qsv_decoder_deps="libmfx"

  2239. hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"

  2240. hevc_qsv_encoder_select="qsvenc"

  2241. huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"

  2242. huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"

  2243. iac_decoder_select="imc_decoder"

  2244. imc_decoder_select="bswapdsp fft mdct sinewin"

  2245. indeo3_decoder_select="hpeldsp"

  2246. indeo4_decoder_select="ividsp"

  2247. indeo5_decoder_select="ividsp"

  2248. interplay_video_decoder_select="hpeldsp"

  2249. jpegls_decoder_select="golomb mjpeg_decoder"

  2250. jpegls_encoder_select="golomb"

  2251. jv_decoder_select="blockdsp"

  2252. lagarith_decoder_select="huffyuvdsp"

  2253. ljpeg_encoder_select="aandcttables idctdsp jpegtables"

  2254. loco_decoder_select="golomb"

  2255. mdec_decoder_select="blockdsp idctdsp mpegvideo"

  2256. metasound_decoder_select="lsp mdct sinewin"

  2257. mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"

  2258. mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"

  2259. mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"

  2260. mjpegb_decoder_select="mjpeg_decoder"

  2261. mlp_decoder_select="mlp_parser"

  2262. motionpixels_decoder_select="bswapdsp"

  2263. mp1_decoder_select="mpegaudio"

  2264. mp1float_decoder_select="mpegaudio"

  2265. mp2_decoder_select="mpegaudio"

  2266. mp2float_decoder_select="mpegaudio"

  2267. mp3_decoder_select="mpegaudio"

  2268. mp3adu_decoder_select="mpegaudio"

  2269. mp3adufloat_decoder_select="mpegaudio"

  2270. mp3float_decoder_select="mpegaudio"

  2271. mp3on4_decoder_select="mpegaudio"

  2272. mp3on4float_decoder_select="mpegaudio"

  2273. mpc7_decoder_select="bswapdsp mpegaudiodsp"

  2274. mpc8_decoder_select="mpegaudiodsp"

  2275. mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"

  2276. mpeg_xvmc_decoder_select="mpeg2video_decoder"

  2277. mpegvideo_decoder_select="mpegvideo"

  2278. mpeg1video_decoder_select="mpegvideo"

  2279. mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2280. mpeg2video_decoder_select="mpegvideo"

  2281. mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2282. mpeg2_qsv_decoder_deps="libmfx"

  2283. mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"

  2284. mpeg2_qsv_encoder_deps="libmfx"

  2285. mpeg2_qsv_encoder_select="qsvenc"

  2286. mpeg4_decoder_select="h263_decoder mpeg4video_parser"

  2287. mpeg4_encoder_select="h263_encoder"

  2288. msa1_decoder_select="mss34dsp"

  2289. msmpeg4v1_decoder_select="h263_decoder"

  2290. msmpeg4v2_decoder_select="h263_decoder"

  2291. msmpeg4v2_encoder_select="h263_encoder"

  2292. msmpeg4v3_decoder_select="h263_decoder"

  2293. msmpeg4v3_encoder_select="h263_encoder"

  2294. mss2_decoder_select="vc1_decoder"

  2295. mts2_decoder_select="mss34dsp"

  2296. mxpeg_decoder_select="mjpeg_decoder"

  2297. nellymoser_decoder_select="mdct sinewin"

  2298. nellymoser_encoder_select="audio_frame_queue mdct sinewin"

  2299. nuv_decoder_select="idctdsp lzo"

  2300. on2avc_decoder_select="mdct"

  2301. opus_decoder_deps="swresample"

  2302. opus_decoder_select="imdct15"

  2303. png_decoder_select="zlib"

  2304. png_encoder_select="huffyuvencdsp zlib"

  2305. prores_decoder_select="blockdsp idctdsp"

  2306. prores_encoder_select="fdctdsp"

  2307. qcelp_decoder_select="lsp"

  2308. qdm2_decoder_select="mdct rdft mpegaudiodsp"

  2309. ra_144_encoder_select="audio_frame_queue lpc audiodsp"

  2310. ra_144_decoder_select="audiodsp"

  2311. ralf_decoder_select="golomb"

  2312. rawvideo_decoder_select="bswapdsp"

  2313. rtjpeg_decoder_select="me_cmp"

  2314. rv10_decoder_select="h263_decoder"

  2315. rv10_encoder_select="h263_encoder"

  2316. rv20_decoder_select="h263_decoder"

  2317. rv20_encoder_select="h263_encoder"

  2318. rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"

  2319. rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"

  2320. shorten_decoder_select="golomb"

  2321. sipr_decoder_select="lsp"

  2322. snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"

  2323. snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"

  2324. sonic_decoder_select="golomb rangecoder"

  2325. sonic_encoder_select="golomb rangecoder"

  2326. sonic_ls_encoder_select="golomb rangecoder"

  2327. sp5x_decoder_select="mjpeg_decoder"

  2328. svq1_decoder_select="hpeldsp"

  2329. svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"

  2330. svq3_decoder_select="h264_decoder hpeldsp tpeldsp"

  2331. svq3_decoder_suggest="zlib"

  2332. tak_decoder_select="audiodsp"

  2333. tdsc_decoder_select="zlib mjpeg_decoder"

  2334. theora_decoder_select="vp3_decoder"

  2335. thp_decoder_select="mjpeg_decoder"

  2336. tiff_decoder_suggest="zlib lzma"

  2337. tiff_encoder_suggest="zlib"

  2338. truehd_decoder_select="mlp_parser"

  2339. truemotion2_decoder_select="bswapdsp"

  2340. truespeech_decoder_select="bswapdsp"

  2341. tscc_decoder_select="zlib"

  2342. twinvq_decoder_select="mdct lsp sinewin"

  2343. txd_decoder_select="texturedsp"

  2344. utvideo_decoder_select="bswapdsp"

  2345. utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"

  2346. vble_decoder_select="huffyuvdsp"

  2347. vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 qpeldsp startcode"

  2348. vc1image_decoder_select="vc1_decoder"

  2349. vc1_qsv_decoder_deps="libmfx"

  2350. vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel"

  2351. vorbis_decoder_select="mdct"

  2352. vorbis_encoder_select="mdct"

  2353. vp3_decoder_select="hpeldsp vp3dsp videodsp"

  2354. vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"

  2355. vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"

  2356. vp6a_decoder_select="vp6_decoder"

  2357. vp6f_decoder_select="vp6_decoder"

  2358. vp7_decoder_select="h264pred videodsp vp8dsp"

  2359. vp8_decoder_select="h264pred videodsp vp8dsp"

  2360. vp9_decoder_select="videodsp vp9_parser"

  2361. webp_decoder_select="vp8_decoder"

  2362. wmalossless_decoder_select="llauddsp"

  2363. wmapro_decoder_select="mdct sinewin wma_freqs"

  2364. wmav1_decoder_select="mdct sinewin wma_freqs"

  2365. wmav1_encoder_select="mdct sinewin wma_freqs"

  2366. wmav2_decoder_select="mdct sinewin wma_freqs"

  2367. wmav2_encoder_select="mdct sinewin wma_freqs"

  2368. wmavoice_decoder_select="lsp rdft dct mdct sinewin"

  2369. wmv1_decoder_select="h263_decoder"

  2370. wmv1_encoder_select="h263_encoder"

  2371. wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp wmv2dsp"

  2372. wmv2_encoder_select="h263_encoder wmv2dsp"

  2373. wmv3_decoder_select="vc1_decoder"

  2374. wmv3image_decoder_select="wmv3_decoder"

  2375. zerocodec_decoder_select="zlib"

  2376. zlib_decoder_select="zlib"

  2377. zlib_encoder_select="zlib"

  2378. zmbv_decoder_select="zlib"

  2379. zmbv_encoder_select="zlib"

  2380. 

  2381. # hardware accelerators

  2382. crystalhd_deps="libcrystalhd_libcrystalhd_if_h"

  2383. d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"

  2384. dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"

  2385. vaapi_deps="va_va_h"

  2386. vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads CoreServices_CoreServices_h"

  2387. vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore -framework CoreServices"

  2388. vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"

  2389. videotoolbox_deps="VideoToolbox_VideoToolbox_h pthreads CoreServices_CoreServices_h"

  2390. videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework QuartzCore -framework CoreServices"

  2391. xvmc_deps="X11_extensions_XvMClib_h"

  2392. 

  2393. h263_vaapi_hwaccel_deps="vaapi"

  2394. h263_vaapi_hwaccel_select="h263_decoder"

  2395. h263_vdpau_hwaccel_deps="vdpau"

  2396. h263_vdpau_hwaccel_select="h263_decoder"

  2397. h263_videotoolbox_hwaccel_deps="videotoolbox"

  2398. h263_videotoolbox_hwaccel_select="h263_decoder"

  2399. h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"

  2400. h264_d3d11va_hwaccel_deps="d3d11va"

  2401. h264_d3d11va_hwaccel_select="h264_decoder"

  2402. h264_dxva2_hwaccel_deps="dxva2"

  2403. h264_dxva2_hwaccel_select="h264_decoder"

  2404. h264_mmal_decoder_deps="mmal"

  2405. h264_mmal_hwaccel_deps="mmal"

  2406. h264_mmal_decoder_select="h264_decoder"

  2407. h264_mmal_encoder_deps="mmal"

  2408. h264_qsv_hwaccel_deps="libmfx"

  2409. h264_vaapi_hwaccel_deps="vaapi"

  2410. h264_vaapi_hwaccel_select="h264_decoder"

  2411. h264_vda_decoder_deps="vda"

  2412. h264_vda_decoder_select="h264_decoder"

  2413. h264_vda_hwaccel_deps="vda"

  2414. h264_vda_hwaccel_select="h264_decoder"

  2415. h264_vda_old_hwaccel_deps="vda"

  2416. h264_vda_old_hwaccel_select="h264_decoder"

  2417. h264_vdpau_decoder_deps="vdpau"

  2418. h264_vdpau_decoder_select="h264_decoder"

  2419. h264_vdpau_hwaccel_deps="vdpau"

  2420. h264_vdpau_hwaccel_select="h264_decoder"

  2421. h264_videotoolbox_hwaccel_deps="videotoolbox"

  2422. h264_videotoolbox_hwaccel_select="h264_decoder"

  2423. hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"

  2424. hevc_d3d11va_hwaccel_select="hevc_decoder"

  2425. hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"

  2426. hevc_dxva2_hwaccel_select="hevc_decoder"

  2427. hevc_qsv_hwaccel_deps="libmfx"

  2428. hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"

  2429. hevc_vdpau_hwaccel_select="hevc_decoder"

  2430. mpeg_vdpau_decoder_deps="vdpau"

  2431. mpeg_vdpau_decoder_select="mpeg2video_decoder"

  2432. mpeg_xvmc_hwaccel_deps="xvmc"

  2433. mpeg_xvmc_hwaccel_select="mpeg2video_decoder"

  2434. mpeg1_vdpau_decoder_deps="vdpau"

  2435. mpeg1_vdpau_decoder_select="mpeg1video_decoder"

  2436. mpeg1_vdpau_hwaccel_deps="vdpau"

  2437. mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"

  2438. mpeg1_videotoolbox_hwaccel_deps="videotoolbox"

  2439. mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"

  2440. mpeg1_xvmc_hwaccel_deps="xvmc"

  2441. mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"

  2442. mpeg2_crystalhd_decoder_select="crystalhd"

  2443. mpeg2_d3d11va_hwaccel_deps="d3d11va"

  2444. mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"

  2445. mpeg2_dxva2_hwaccel_deps="dxva2"

  2446. mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"

  2447. mpeg2_qsv_hwaccel_deps="libmfx"

  2448. mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"

  2449. mpeg2_vaapi_hwaccel_deps="vaapi"

  2450. mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"

  2451. mpeg2_vdpau_hwaccel_deps="vdpau"

  2452. mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"

  2453. mpeg2_videotoolbox_hwaccel_deps="videotoolbox"

  2454. mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"

  2455. mpeg2_xvmc_hwaccel_deps="xvmc"

  2456. mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"

  2457. mpeg4_crystalhd_decoder_select="crystalhd"

  2458. mpeg4_vaapi_hwaccel_deps="vaapi"

  2459. mpeg4_vaapi_hwaccel_select="mpeg4_decoder"

  2460. mpeg4_vdpau_decoder_deps="vdpau"

  2461. mpeg4_vdpau_decoder_select="mpeg4_decoder"

  2462. mpeg4_vdpau_hwaccel_deps="vdpau"

  2463. mpeg4_vdpau_hwaccel_select="mpeg4_decoder"

  2464. mpeg4_videotoolbox_hwaccel_deps="videotoolbox"

  2465. mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"

  2466. msmpeg4_crystalhd_decoder_select="crystalhd"

  2467. vc1_crystalhd_decoder_select="crystalhd"

  2468. vc1_d3d11va_hwaccel_deps="d3d11va"

  2469. vc1_d3d11va_hwaccel_select="vc1_decoder"

  2470. vc1_dxva2_hwaccel_deps="dxva2"

  2471. vc1_dxva2_hwaccel_select="vc1_decoder"

  2472. vc1_vaapi_hwaccel_deps="vaapi"

  2473. vc1_vaapi_hwaccel_select="vc1_decoder"

  2474. vc1_vdpau_decoder_deps="vdpau"

  2475. vc1_vdpau_decoder_select="vc1_decoder"

  2476. vc1_vdpau_hwaccel_deps="vdpau"

  2477. vc1_vdpau_hwaccel_select="vc1_decoder"

  2478. vc1_qsv_hwaccel_deps="libmfx"

  2479. vc1_qsv_hwaccel_select="qsvdec_vc1"

  2480. wmv3_crystalhd_decoder_select="crystalhd"

  2481. wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"

  2482. wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"

  2483. wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"

  2484. wmv3_vdpau_decoder_select="vc1_vdpau_decoder"

  2485. wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"

  2486. 

  2487. # parsers

  2488. h264_parser_select="h264_decoder"

  2489. hevc_parser_select="golomb"

  2490. mpegvideo_parser_select="mpegvideo"

  2491. mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"

  2492. vc1_parser_select="mpegvideo startcode vc1_decoder"

  2493. 

  2494. # bitstream_filters

  2495. mjpeg2jpeg_bsf_select="jpegtables"

  2496. 

  2497. # external libraries

  2498. libaacplus_encoder_deps="libaacplus"

  2499. libcelt_decoder_deps="libcelt"

  2500. libdcadec_decoder_deps="libdcadec"

  2501. libfaac_encoder_deps="libfaac"

  2502. libfaac_encoder_select="audio_frame_queue"

  2503. libfdk_aac_decoder_deps="libfdk_aac"

  2504. libfdk_aac_encoder_deps="libfdk_aac"

  2505. libfdk_aac_encoder_select="audio_frame_queue"

  2506. libgme_demuxer_deps="libgme"

  2507. libgsm_decoder_deps="libgsm"

  2508. libgsm_encoder_deps="libgsm"

  2509. libgsm_ms_decoder_deps="libgsm"

  2510. libgsm_ms_encoder_deps="libgsm"

  2511. libilbc_decoder_deps="libilbc"

  2512. libilbc_encoder_deps="libilbc"

  2513. libkvazaar_encoder_deps="libkvazaar"

  2514. libmodplug_demuxer_deps="libmodplug"

  2515. libmp3lame_encoder_deps="libmp3lame"

  2516. libmp3lame_encoder_select="audio_frame_queue"

  2517. libopencore_amrnb_decoder_deps="libopencore_amrnb"

  2518. libopencore_amrnb_encoder_deps="libopencore_amrnb"

  2519. libopencore_amrnb_encoder_select="audio_frame_queue"

  2520. libopencore_amrwb_decoder_deps="libopencore_amrwb"

  2521. libopenh264_encoder_deps="libopenh264"

  2522. libopenjpeg_decoder_deps="libopenjpeg"

  2523. libopenjpeg_encoder_deps="libopenjpeg"

  2524. libopus_decoder_deps="libopus"

  2525. libopus_encoder_deps="libopus"

  2526. libopus_encoder_select="audio_frame_queue"

  2527. libquvi_demuxer_deps="libquvi"

  2528. libschroedinger_decoder_deps="libschroedinger"

  2529. libschroedinger_encoder_deps="libschroedinger"

  2530. libshine_encoder_deps="libshine"

  2531. libshine_encoder_select="audio_frame_queue"

  2532. libspeex_decoder_deps="libspeex"

  2533. libspeex_encoder_deps="libspeex"

  2534. libspeex_encoder_select="audio_frame_queue"

  2535. libstagefright_h264_decoder_deps="libstagefright_h264"

  2536. libtheora_encoder_deps="libtheora"

  2537. libtwolame_encoder_deps="libtwolame"

  2538. libvo_aacenc_encoder_deps="libvo_aacenc"

  2539. libvo_aacenc_encoder_select="audio_frame_queue"

  2540. libvo_amrwbenc_encoder_deps="libvo_amrwbenc"

  2541. libvorbis_decoder_deps="libvorbis"

  2542. libvorbis_encoder_deps="libvorbis"

  2543. libvorbis_encoder_select="audio_frame_queue"

  2544. libvpx_vp8_decoder_deps="libvpx"

  2545. libvpx_vp8_encoder_deps="libvpx"

  2546. libvpx_vp9_decoder_deps="libvpx"

  2547. libvpx_vp9_encoder_deps="libvpx"

  2548. libwavpack_encoder_deps="libwavpack"

  2549. libwebp_encoder_deps="libwebp"

  2550. libwebp_anim_encoder_deps="libwebp"

  2551. libx262_encoder_deps="libx262"

  2552. libx264_encoder_deps="libx264"

  2553. libx264rgb_encoder_deps="libx264"

  2554. libx264rgb_encoder_select="libx264_encoder"

  2555. libx265_encoder_deps="libx265"

  2556. libxavs_encoder_deps="libxavs"

  2557. libxvid_encoder_deps="libxvid"

  2558. libutvideo_decoder_deps="libutvideo"

  2559. libutvideo_encoder_deps="libutvideo"

  2560. libzvbi_teletext_decoder_deps="libzvbi"

  2561. nvenc_encoder_deps="nvenc"

  2562. nvenc_h264_encoder_deps="nvenc"

  2563. nvenc_hevc_encoder_deps="nvenc"

  2564. 

  2565. # demuxers / muxers

  2566. ac3_demuxer_select="ac3_parser"

  2567. asf_demuxer_select="riffdec"

  2568. asf_o_demuxer_select="riffdec"

  2569. asf_muxer_select="riffenc"

  2570. asf_stream_muxer_select="asf_muxer"

  2571. avi_demuxer_select="riffdec exif"

  2572. avi_muxer_select="riffenc"

  2573. avisynth_demuxer_deps="avisynth"

  2574. avisynth_demuxer_select="riffdec"

  2575. caf_demuxer_select="riffdec"

  2576. dash_muxer_select="mp4_muxer"

  2577. dirac_demuxer_select="dirac_parser"

  2578. dts_demuxer_select="dca_parser"

  2579. dtshd_demuxer_select="dca_parser"

  2580. dv_demuxer_select="dvprofile"

  2581. dv_muxer_select="dvprofile"

  2582. dxa_demuxer_select="riffdec"

  2583. eac3_demuxer_select="ac3_parser"

  2584. f4v_muxer_select="mov_muxer"

  2585. flac_demuxer_select="flac_parser"

  2586. hds_muxer_select="flv_muxer"

  2587. hls_muxer_select="mpegts_muxer"

  2588. image2_alias_pix_demuxer_select="image2_demuxer"

  2589. image2_brender_pix_demuxer_select="image2_demuxer"

  2590. ipod_muxer_select="mov_muxer"

  2591. ismv_muxer_select="mov_muxer"

  2592. libnut_demuxer_deps="libnut"

  2593. libnut_muxer_deps="libnut"

  2594. matroska_audio_muxer_select="matroska_muxer"

  2595. matroska_demuxer_select="riffdec"

  2596. matroska_demuxer_suggest="bzlib lzo zlib"

  2597. matroska_muxer_select="riffenc"

  2598. mmf_muxer_select="riffenc"

  2599. mov_demuxer_select="riffdec"

  2600. mov_demuxer_suggest="zlib"

  2601. mov_muxer_select="riffenc rtpenc_chain"

  2602. mp3_demuxer_select="mpegaudio_parser"

  2603. mp4_muxer_select="mov_muxer"

  2604. mpegts_muxer_select="adts_muxer latm_muxer"

  2605. mpegtsraw_demuxer_select="mpegts_demuxer"

  2606. mxf_d10_muxer_select="mxf_muxer"

  2607. mxf_opatom_muxer_select="mxf_muxer"

  2608. nut_muxer_select="riffenc"

  2609. nuv_demuxer_select="riffdec"

  2610. oga_muxer_select="ogg_muxer"

  2611. ogg_demuxer_select="golomb"

  2612. opus_muxer_select="ogg_muxer"

  2613. psp_muxer_select="mov_muxer"

  2614. rtp_demuxer_select="sdp_demuxer"

  2615. rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"

  2616. rtsp_demuxer_select="http_protocol rtpdec"

  2617. rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"

  2618. sap_demuxer_select="sdp_demuxer"

  2619. sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"

  2620. sdp_demuxer_select="rtpdec"

  2621. smoothstreaming_muxer_select="ismv_muxer"

  2622. spdif_muxer_select="aac_parser"

  2623. spx_muxer_select="ogg_muxer"

  2624. tak_demuxer_select="tak_parser"

  2625. tg2_muxer_select="mov_muxer"

  2626. tgp_muxer_select="mov_muxer"

  2627. vobsub_demuxer_select="mpegps_demuxer"

  2628. w64_demuxer_select="wav_demuxer"

  2629. w64_muxer_select="wav_muxer"

  2630. wav_demuxer_select="riffdec"

  2631. wav_muxer_select="riffenc"

  2632. webm_muxer_select="riffenc"

  2633. wtv_demuxer_select="riffdec"

  2634. wtv_muxer_select="riffenc"

  2635. xmv_demuxer_select="riffdec"

  2636. xwma_demuxer_select="riffdec"

  2637. 

  2638. # indevs / outdevs

  2639. alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"

  2640. alsa_outdev_deps="alsa_asoundlib_h"

  2641. avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"

  2642. avfoundation_indev_select="avfoundation"

  2643. bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"

  2644. caca_outdev_deps="libcaca"

  2645. decklink_outdev_deps="decklink pthreads"

  2646. decklink_outdev_extralibs="-lstdc++"

  2647. decklink_indev_deps="decklink pthreads"

  2648. decklink_indev_extralibs="-lstdc++"

  2649. dshow_indev_deps="IBaseFilter"

  2650. dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"

  2651. dv1394_indev_deps="dv1394"

  2652. dv1394_indev_select="dv_demuxer"

  2653. fbdev_indev_deps="linux_fb_h"

  2654. fbdev_outdev_deps="linux_fb_h"

  2655. gdigrab_indev_deps="CreateDIBSection"

  2656. gdigrab_indev_extralibs="-lgdi32"

  2657. gdigrab_indev_select="bmp_decoder"

  2658. iec61883_indev_deps="libiec61883"

  2659. jack_indev_deps="jack_jack_h sem_timedwait"

  2660. lavfi_indev_deps="avfilter"

  2661. libcdio_indev_deps="libcdio"

  2662. libdc1394_indev_deps="libdc1394"

  2663. libv4l2_indev_deps="libv4l2"

  2664. openal_indev_deps="openal"

  2665. opengl_outdev_deps="opengl"

  2666. oss_indev_deps_any="soundcard_h sys_soundcard_h"

  2667. oss_outdev_deps_any="soundcard_h sys_soundcard_h"

  2668. pulse_indev_deps="libpulse"

  2669. pulse_outdev_deps="libpulse"

  2670. qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"

  2671. qtkit_indev_select="qtkit"

  2672. sdl_outdev_deps="sdl"

  2673. sndio_indev_deps="sndio_h"

  2674. sndio_outdev_deps="sndio_h"

  2675. v4l_indev_deps="linux_videodev_h"

  2676. v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"

  2677. v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"

  2678. vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"

  2679. vfwcap_indev_extralibs="-lavicap32"

  2680. xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"

  2681. xv_outdev_extralibs="-lXv -lX11 -lXext"

  2682. x11grab_indev_deps="x11grab"

  2683. x11grab_xcb_indev_deps="libxcb"

  2684. 

  2685. # protocols

  2686. async_protocol_deps="pthreads"

  2687. bluray_protocol_deps="libbluray"

  2688. ffrtmpcrypt_protocol_deps="!librtmp_protocol"

  2689. ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"

  2690. ffrtmpcrypt_protocol_select="tcp_protocol"

  2691. ffrtmphttp_protocol_deps="!librtmp_protocol"

  2692. ffrtmphttp_protocol_select="http_protocol"

  2693. ftp_protocol_select="tcp_protocol"

  2694. gopher_protocol_select="network"

  2695. http_protocol_select="tcp_protocol"

  2696. httpproxy_protocol_select="tcp_protocol"

  2697. https_protocol_select="tls_protocol"

  2698. icecast_protocol_select="http_protocol"

  2699. librtmp_protocol_deps="librtmp"

  2700. librtmpe_protocol_deps="librtmp"

  2701. librtmps_protocol_deps="librtmp"

  2702. librtmpt_protocol_deps="librtmp"

  2703. librtmpte_protocol_deps="librtmp"

  2704. libsmbclient_protocol_deps="libsmbclient gplv3"

  2705. libssh_protocol_deps="libssh"

  2706. mmsh_protocol_select="http_protocol"

  2707. mmst_protocol_select="network"

  2708. rtmp_protocol_deps="!librtmp_protocol"

  2709. rtmp_protocol_select="tcp_protocol"

  2710. rtmpe_protocol_select="ffrtmpcrypt_protocol"

  2711. rtmps_protocol_deps="!librtmp_protocol"

  2712. rtmps_protocol_select="tls_protocol"

  2713. rtmpt_protocol_select="ffrtmphttp_protocol"

  2714. rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"

  2715. rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"

  2716. rtp_protocol_select="udp_protocol"

  2717. sctp_protocol_deps="struct_sctp_event_subscribe"

  2718. sctp_protocol_select="network"

  2719. srtp_protocol_select="rtp_protocol"

  2720. tcp_protocol_select="network"

  2721. tls_gnutls_protocol_deps="gnutls !tls_securetransport_protocol"

  2722. tls_gnutls_protocol_select="tcp_protocol"

  2723. tls_openssl_protocol_deps="openssl !tls_securetransport_protocol !tls_gnutls_protocol"

  2724. tls_openssl_protocol_select="tcp_protocol"

  2725. tls_securetransport_protocol_deps="securetransport"

  2726. tls_securetransport_protocol_select="tcp_protocol"

  2727. tls_protocol_deps_any="tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"

  2728. udp_protocol_select="network"

  2729. udplite_protocol_select="network"

  2730. unix_protocol_deps="sys_un_h"

  2731. unix_protocol_select="network"

  2732. 

  2733. # filters

  2734. amovie_filter_deps="avcodec avformat"

  2735. aresample_filter_deps="swresample"

  2736. ass_filter_deps="libass"

  2737. asyncts_filter_deps="avresample"

  2738. atempo_filter_deps="avcodec"

  2739. atempo_filter_select="rdft"

  2740. azmq_filter_deps="libzmq"

  2741. blackframe_filter_deps="gpl"

  2742. boxblur_filter_deps="gpl"

  2743. bs2b_filter_deps="libbs2b"

  2744. colormatrix_filter_deps="gpl"

  2745. cover_rect_filter_deps="avcodec avformat gpl"

  2746. cropdetect_filter_deps="gpl"

  2747. delogo_filter_deps="gpl"

  2748. deshake_filter_select="pixelutils"

  2749. drawtext_filter_deps="libfreetype"

  2750. dynaudnorm_filter_deps="copysign erf"

  2751. ebur128_filter_deps="gpl"

  2752. eq_filter_deps="gpl"

  2753. fftfilt_filter_deps="avcodec"

  2754. fftfilt_filter_select="rdft"

  2755. flite_filter_deps="libflite"

  2756. find_rect_filter_deps="avcodec avformat gpl"

  2757. frei0r_filter_deps="frei0r dlopen"

  2758. frei0r_src_filter_deps="frei0r dlopen"

  2759. fspp_filter_deps="gpl"

  2760. geq_filter_deps="gpl"

  2761. histeq_filter_deps="gpl"

  2762. hqdn3d_filter_deps="gpl"

  2763. interlace_filter_deps="gpl"

  2764. kerndeint_filter_deps="gpl"

  2765. ladspa_filter_deps="ladspa dlopen"

  2766. mcdeint_filter_deps="avcodec gpl"

  2767. movie_filter_deps="avcodec avformat"

  2768. mpdecimate_filter_deps="gpl"

  2769. mpdecimate_filter_select="pixelutils"

  2770. mptestsrc_filter_deps="gpl"

  2771. negate_filter_deps="lut_filter"

  2772. perspective_filter_deps="gpl"

  2773. pp7_filter_deps="gpl"

  2774. ocv_filter_deps="libopencv"

  2775. owdenoise_filter_deps="gpl"

  2776. pan_filter_deps="swresample"

  2777. phase_filter_deps="gpl"

  2778. pp_filter_deps="gpl postproc"

  2779. pullup_filter_deps="gpl"

  2780. removelogo_filter_deps="avcodec avformat swscale"

  2781. repeatfields_filter_deps="gpl"

  2782. resample_filter_deps="avresample"

  2783. sab_filter_deps="gpl swscale"

  2784. scale_filter_deps="swscale"

  2785. scale2ref_filter_deps="swscale"

  2786. select_filter_select="pixelutils"

  2787. smartblur_filter_deps="gpl swscale"

  2788. showcqt_filter_deps="avcodec"

  2789. showcqt_filter_select="fft"

  2790. showfreqs_filter_deps="avcodec"

  2791. showfreqs_filter_select="fft"

  2792. showspectrum_filter_deps="avcodec"

  2793. showspectrum_filter_select="rdft"

  2794. spp_filter_deps="gpl avcodec"

  2795. spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"

  2796. stereo3d_filter_deps="gpl"

  2797. subtitles_filter_deps="avformat avcodec libass"

  2798. super2xsai_filter_deps="gpl"

  2799. tinterlace_filter_deps="gpl"

  2800. vidstabdetect_filter_deps="libvidstab"

  2801. vidstabtransform_filter_deps="libvidstab"

  2802. pixfmts_super2xsai_test_deps="super2xsai_filter"

  2803. tinterlace_merge_test_deps="tinterlace_filter"

  2804. tinterlace_pad_test_deps="tinterlace_filter"

  2805. uspp_filter_deps="gpl avcodec"

  2806. zmq_filter_deps="libzmq"

  2807. zoompan_filter_deps="swscale"

  2808. 

  2809. # examples

  2810. avio_reading="avformat avcodec avutil"

  2811. avio_dir_cmd="avformat avutil"

  2812. avcodec_example_deps="avcodec avutil"

  2813. decoding_encoding_example_deps="avcodec avformat avutil"

  2814. demuxing_decoding_example_deps="avcodec avformat avutil"

  2815. extract_mvs_example_deps="avcodec avformat avutil"

  2816. filter_audio_example_deps="avfilter avutil"

  2817. filtering_audio_example_deps="avfilter avcodec avformat avutil"

  2818. filtering_video_example_deps="avfilter avcodec avformat avutil"

  2819. metadata_example_deps="avformat avutil"

  2820. muxing_example_deps="avcodec avformat avutil swscale"

  2821. qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"

  2822. remuxing_example_deps="avcodec avformat avutil"

  2823. resampling_audio_example_deps="avutil swresample"

  2824. scaling_video_example_deps="avutil swscale"

  2825. transcode_aac_example_deps="avcodec avformat swresample"

  2826. transcoding_example_deps="avfilter avcodec avformat avutil"

  2827. 

  2828. # libraries, in linking order

  2829. avcodec_deps="avutil"

  2830. avdevice_deps="avformat avcodec avutil"

  2831. avfilter_deps="avutil"

  2832. avformat_deps="avcodec avutil"

  2833. avresample_deps="avutil"

  2834. postproc_deps="avutil gpl"

  2835. swresample_deps="avutil"

  2836. swscale_deps="avutil"

  2837. 

  2838. # programs

  2839. ffmpeg_deps="avcodec avfilter avformat swresample"

  2840. ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter

  2841.                null_filter

  2842.                setpts_filter trim_filter"

  2843. ffplay_deps="avcodec avformat swscale swresample sdl"

  2844. ffplay_libs='$sdl_libs'

  2845. ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"

  2846. ffprobe_deps="avcodec avformat"

  2847. ffserver_deps="avformat fork sarestart"

  2848. ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"

  2849. 

  2850. # documentation

  2851. podpages_deps="perl"

  2852. manpages_deps="perl pod2man"

  2853. htmlpages_deps="perl"

  2854. htmlpages_deps_any="makeinfo_html texi2html"

  2855. txtpages_deps="perl makeinfo"

  2856. doc_deps_any="manpages htmlpages podpages txtpages"

  2857. 

  2858. # default parameters

  2859. 

  2860. logfile="config.log"

  2861. 

  2862. # installation paths

  2863. prefix_default="/usr/local"

  2864. bindir_default='${prefix}/bin'

  2865. datadir_default='${prefix}/share/ffmpeg'

  2866. docdir_default='${prefix}/share/doc/ffmpeg'

  2867. incdir_default='${prefix}/include'

  2868. libdir_default='${prefix}/lib'

  2869. mandir_default='${prefix}/share/man'

  2870. 

  2871. # toolchain

  2872. ar_default="ar"

  2873. cc_default="gcc"

  2874. cxx_default="g++"

  2875. host_cc_default="gcc"

  2876. cp_f="cp -f"

  2877. doxygen_default="doxygen"

  2878. install="install"

  2879. ln_s="ln -s -f"

  2880. nm_default="nm -g"

  2881. objformat="elf"

  2882. pkg_config_default=pkg-config

  2883. ranlib_default="ranlib"

  2884. strip_default="strip"

  2885. yasmexe_default="yasm"

  2886. windres_default="windres"

  2887. 

  2888. # OS

  2889. target_os_default=$(tolower $(uname -s))

  2890. host_os=$target_os_default

  2891. 

  2892. # machine

  2893. if test "$target_os_default" = aix; then

  2894.     arch_default=$(uname -p)

  2895.     strip_default="strip -X32_64"

  2896. else

  2897.     arch_default=$(uname -m)

  2898. fi

  2899. cpu="generic"

  2900. intrinsics="none"

  2901. 

  2902. # configurable options

  2903. enable $PROGRAM_LIST

  2904. enable $DOCUMENT_LIST

  2905. enable $EXAMPLE_LIST

  2906. enable $(filter_out avresample $LIBRARY_LIST)

  2907. enable stripping

  2908. 

  2909. enable asm

  2910. enable debug

  2911. enable doc

  2912. enable faan faandct faanidct

  2913. enable optimizations

  2914. enable runtime_cpudetect

  2915. enable safe_bitstream_reader

  2916. enable static

  2917. enable swscale_alpha

  2918. enable valgrind_backtrace

  2919. 

  2920. sws_max_filter_size_default=256

  2921. set_default sws_max_filter_size

  2922. 

  2923. # Enable hwaccels by default.

  2924. enable d3d11va dxva2 vaapi vda vdpau videotoolbox xvmc

  2925. enable xlib

  2926. 

  2927. # build settings

  2928. SHFLAGS='-shared -Wl,-soname,$$(@F)'

  2929. LIBPREF="lib"

  2930. LIBSUF=".a"

  2931. FULLNAME='$(NAME)$(BUILDSUF)'

  2932. LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'

  2933. SLIBPREF="lib"

  2934. SLIBSUF=".so"

  2935. SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'

  2936. SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'

  2937. SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'

  2938. LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'

  2939. SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'

  2940. SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'

  2941. 

  2942. asflags_filter=echo

  2943. cflags_filter=echo

  2944. ldflags_filter=echo

  2945. 

  2946. AS_C='-c'

  2947. AS_O='-o $@'

  2948. CC_C='-c'

  2949. CC_E='-E -o $@'

  2950. CC_O='-o $@'

  2951. CXX_C='-c'

  2952. CXX_O='-o $@'

  2953. LD_O='-o $@'

  2954. LD_LIB='-l%'

  2955. LD_PATH='-L'

  2956. HOSTCC_C='-c'

  2957. HOSTCC_E='-E -o $@'

  2958. HOSTCC_O='-o $@'

  2959. HOSTLD_O='-o $@'

  2960. 

  2961. host_libs='-lm'

  2962. host_cflags_filter=echo

  2963. host_ldflags_filter=echo

  2964. 

  2965. target_path='$(CURDIR)'

  2966. 

  2967. # since the object filename is not given with the -MM flag, the compiler

  2968. # is only able to print the basename, and we must add the path ourselves

  2969. DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'

  2970. DEPFLAGS='-MM'

  2971. 

  2972. # find source path

  2973. if test -f configure; then

  2974.     source_path=.

  2975. else

  2976.     source_path=$(cd $(dirname "$0"); pwd)

  2977.     echo "$source_path" | grep -q '[[:blank:]]' &&

  2978.         die "Out of tree builds are impossible with whitespace in source path."

  2979.     test -e "$source_path/config.h" &&

  2980.         die "Out of tree builds are impossible with config.h in source dir."

  2981. fi

  2982. 

  2983. for v in "$@"; do

  2984.     r=${v#*=}

  2985.     l=${v%"$r"}

  2986.     r=$(sh_quote "$r")

  2987.     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"

  2988. done

  2989. 

  2990. find_things(){

  2991.     thing=$1

  2992.     pattern=$2

  2993.     file=$source_path/$3

  2994.     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"

  2995. }

  2996. 

  2997. ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)

  2998. DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)

  2999. HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)

  3000. PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)

  3001. BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)

  3002. MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)

  3003. DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)

  3004. OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)

  3005. INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)

  3006. PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)

  3007. FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)

  3008. 

  3009. ALL_COMPONENTS="

  3010.     $BSF_LIST

  3011.     $DECODER_LIST

  3012.     $DEMUXER_LIST

  3013.     $ENCODER_LIST

  3014.     $FILTER_LIST

  3015.     $HWACCEL_LIST

  3016.     $INDEV_LIST

  3017.     $MUXER_LIST

  3018.     $OUTDEV_LIST

  3019.     $PARSER_LIST

  3020.     $PROTOCOL_LIST

  3021. "

  3022. 

  3023. for n in $COMPONENT_LIST; do

  3024.     v=$(toupper ${n%s})_LIST

  3025.     eval enable \$$v

  3026.     eval ${n}_if_any="\$$v"

  3027. done

  3028. 

  3029. enable $ARCH_EXT_LIST

  3030. 

  3031. die_unknown(){

  3032.     echo "Unknown option \"$1\"."

  3033.     echo "See $0 --help for available options."

  3034.     exit 1

  3035. }

  3036. 

  3037. print_3_columns() {

  3038.     cat | tr ' ' '\n' | sort | pr -r -3 -t

  3039. }

  3040. 

  3041. show_list() {

  3042.     suffix=_$1

  3043.     shift

  3044.     echo $* | sed s/$suffix//g | print_3_columns

  3045.     exit 0

  3046. }

  3047. 

  3048. rand_list(){

  3049.     IFS=', '

  3050.     set -- $*

  3051.     unset IFS

  3052.     for thing; do

  3053.         comp=${thing%:*}

  3054.         prob=${thing#$comp}

  3055.         prob=${prob#:}

  3056.         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST

  3057.         echo "prob ${prob:-0.5}"

  3058.         printf '%s\n' $comp

  3059.     done

  3060. }

  3061. 

  3062. do_random(){

  3063.     action=$1

  3064.     shift

  3065.     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")

  3066.     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")

  3067. }

  3068. 

  3069. for opt do

  3070.     optval="${opt#*=}"

  3071.     case "$opt" in

  3072.         --extra-ldflags=*)

  3073.             add_ldflags $optval

  3074.         ;;

  3075.         --extra-ldexeflags=*)

  3076.             add_ldexeflags $optval

  3077.         ;;

  3078.         --extra-ldlibflags=*)

  3079.             add_ldlibflags $optval

  3080.         ;;

  3081.         --extra-libs=*)

  3082.             add_extralibs $optval

  3083.         ;;

  3084.         --disable-devices)

  3085.             disable $INDEV_LIST $OUTDEV_LIST

  3086.         ;;

  3087.         --enable-debug=*)

  3088.             debuglevel="$optval"

  3089.         ;;

  3090.         --disable-programs)

  3091.             disable $PROGRAM_LIST

  3092.         ;;

  3093.         --disable-everything)

  3094.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3095.         ;;

  3096.         --disable-all)

  3097.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3098.             disable $LIBRARY_LIST $PROGRAM_LIST doc

  3099.         ;;

  3100.         --enable-random|--disable-random)

  3101.             action=${opt%%-random}

  3102.             do_random ${action#--} $COMPONENT_LIST

  3103.         ;;

  3104.         --enable-random=*|--disable-random=*)

  3105.             action=${opt%%-random=*}

  3106.             do_random ${action#--} $optval

  3107.         ;;

  3108.         --enable-*=*|--disable-*=*)

  3109.             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')

  3110.             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"

  3111.             eval list=\$$(toupper $thing)_LIST

  3112.             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}

  3113.             list=$(filter "$name" $list)

  3114.             [ "$list" = "" ] && warn "Option $opt did not match anything"

  3115.             $action $list

  3116.         ;;

  3117.         --enable-?*|--disable-?*)

  3118.             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')

  3119.             if is_in $option $COMPONENT_LIST; then

  3120.                 test $action = disable && action=unset

  3121.                 eval $action \$$(toupper ${option%s})_LIST

  3122.             elif is_in $option $CMDLINE_SELECT; then

  3123.                 $action $option

  3124.             else

  3125.                 die_unknown $opt

  3126.             fi

  3127.         ;;

  3128.         --list-*)

  3129.             NAME="${opt#--list-}"

  3130.             is_in $NAME $COMPONENT_LIST || die_unknown $opt

  3131.             NAME=${NAME%s}

  3132.             eval show_list $NAME \$$(toupper $NAME)_LIST

  3133.         ;;

  3134.         --help|-h) show_help

  3135.         ;;

  3136.         --fatal-warnings) enable fatal_warnings

  3137.         ;;

  3138.         *)

  3139.             optname="${opt%%=*}"

  3140.             optname="${optname#--}"

  3141.             optname=$(echo "$optname" | sed 's/-/_/g')

  3142.             if is_in $optname $CMDLINE_SET; then

  3143.                 eval $optname='$optval'

  3144.             elif is_in $optname $CMDLINE_APPEND; then

  3145.                 append $optname "$optval"

  3146.             else

  3147.                 die_unknown $opt

  3148.             fi

  3149.         ;;

  3150.     esac

  3151. done

  3152. 

  3153. for e in $env; do

  3154.     eval "export $e"

  3155. done

  3156. 

  3157. disabled logging && logfile=/dev/null

  3158. 

  3159. echo "# $0 $FFMPEG_CONFIGURATION" > $logfile

  3160. set >> $logfile

  3161. 

  3162. test -n "$valgrind" && toolchain="valgrind-memcheck"

  3163. 

  3164. case "$toolchain" in

  3165.     clang-asan)

  3166.         cc_default="clang"

  3167.         add_cflags  -fsanitize=address

  3168.         add_ldflags -fsanitize=address

  3169.     ;;

  3170.     clang-tsan)

  3171.         cc_default="clang"

  3172.         add_cflags  -fsanitize=thread -pie

  3173.         add_ldflags -fsanitize=thread -pie

  3174.     ;;

  3175.     clang-usan)

  3176.         cc_default="clang"

  3177.         add_cflags  -fsanitize=undefined

  3178.         add_ldflags -fsanitize=undefined

  3179.     ;;

  3180.     gcc-asan)

  3181.         cc_default="gcc"

  3182.         add_cflags  -fsanitize=address

  3183.         add_ldflags -fsanitize=address

  3184.     ;;

  3185.     gcc-tsan)

  3186.         cc_default="gcc"

  3187.         add_cflags  -fsanitize=thread -pie -fPIC

  3188.         add_ldflags -fsanitize=thread -pie -fPIC

  3189.     ;;

  3190.     gcc-usan)

  3191.         cc_default="gcc"

  3192.         add_cflags  -fsanitize=undefined

  3193.         add_ldflags -fsanitize=undefined

  3194.     ;;

  3195.     valgrind-massif)

  3196.         target_exec_default=${valgrind:-"valgrind"}

  3197.         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"

  3198.     ;;

  3199.     valgrind-memcheck)

  3200.         target_exec_default=${valgrind:-"valgrind"}

  3201.         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"

  3202.     ;;

  3203.     msvc)

  3204.         # Check whether the current MSVC version needs the C99 converter.

  3205.         # From MSVC 2013 (compiler major version 18) onwards, it does actually

  3206.         # support enough of C99 to build ffmpeg. Default to the new

  3207.         # behaviour if the regexp was unable to match anything, since this

  3208.         # successfully parses the version number of existing supported

  3209.         # versions that require the converter (MSVC 2010 and 2012).

  3210.         cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')

  3211.         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then

  3212.             cc_default="cl"

  3213.         else

  3214.             cc_default="c99wrap cl"

  3215.         fi

  3216.         ld_default="$source_path/compat/windows/mslink"

  3217.         nm_default="dumpbin -symbols"

  3218.         ar_default="lib"

  3219.         case "$arch" in

  3220.         arm*)

  3221.             as_default="armasm"

  3222.             ;;

  3223.         esac

  3224.         target_os_default="win32"

  3225.         # Use a relative path for TMPDIR. This makes sure all the

  3226.         # ffconf temp files are written with a relative path, avoiding

  3227.         # issues with msys/win32 path conversion for MSVC parameters

  3228.         # such as -Fo<file> or -out:<file>.

  3229.         TMPDIR=.

  3230.     ;;

  3231.     icl)

  3232.         cc_default="icl"

  3233.         ld_default="xilink"

  3234.         nm_default="dumpbin -symbols"

  3235.         ar_default="xilib"

  3236.         target_os_default="win32"

  3237.         TMPDIR=.

  3238.     ;;

  3239.     gcov)

  3240.         add_cflags  -fprofile-arcs -ftest-coverage

  3241.         add_ldflags -fprofile-arcs -ftest-coverage

  3242.     ;;

  3243.     hardened)

  3244.         add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2

  3245.         add_cflags   -fno-strict-overflow -fstack-protector-all

  3246.         add_ldflags  -Wl,-z,relro -Wl,-z,now

  3247.     ;;

  3248.     ?*)

  3249.         die "Unknown toolchain $toolchain"

  3250.     ;;

  3251. esac

  3252. 

  3253. test -n "$cross_prefix" && enable cross_compile

  3254. 

  3255. if enabled cross_compile; then

  3256.     test -n "$arch" && test -n "$target_os" ||

  3257.         die "Must specify target arch and OS when cross-compiling"

  3258. fi

  3259. 

  3260. ar_default="${cross_prefix}${ar_default}"

  3261. cc_default="${cross_prefix}${cc_default}"

  3262. cxx_default="${cross_prefix}${cxx_default}"

  3263. nm_default="${cross_prefix}${nm_default}"

  3264. pkg_config_default="${cross_prefix}${pkg_config_default}"

  3265. if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then

  3266.     ranlib_default="${cross_prefix}${ranlib_default} -D"

  3267. else

  3268.     ranlib_default="${cross_prefix}${ranlib_default}"

  3269. fi

  3270. strip_default="${cross_prefix}${strip_default}"

  3271. windres_default="${cross_prefix}${windres_default}"

  3272. 

  3273. sysinclude_default="${sysroot}/usr/include"

  3274. 

  3275. set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \

  3276.     target_exec target_os yasmexe

  3277. enabled cross_compile || host_cc_default=$cc

  3278. set_default host_cc

  3279. 

  3280. pkg_config_fail_message=""

  3281. if ! $pkg_config --version >/dev/null 2>&1; then

  3282.     warn "$pkg_config not found, library detection may fail."

  3283.     pkg_config=false

  3284. elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then

  3285.     pkg_config_fail_message="

  3286. Note: When building a static binary, add --pkg-config-flags=\"--static\"."

  3287. fi

  3288. 

  3289. if test $doxygen != $doxygen_default && \

  3290.   ! $doxygen --version >/dev/null 2>&1; then

  3291.     warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."

  3292. fi

  3293. 

  3294. exesuf() {

  3295.     case $1 in

  3296.         mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;

  3297.     esac

  3298. }

  3299. 

  3300. EXESUF=$(exesuf $target_os)

  3301. HOSTEXESUF=$(exesuf $host_os)

  3302. 

  3303. # set temporary file name

  3304. : ${TMPDIR:=$TEMPDIR}

  3305. : ${TMPDIR:=$TMP}

  3306. : ${TMPDIR:=/tmp}

  3307. 

  3308. if [ -n "$tempprefix" ] ; then

  3309.     mktemp(){

  3310.         echo $tempprefix.${HOSTNAME}.${UID}

  3311.     }

  3312. elif ! check_cmd mktemp -u XXXXXX; then

  3313.     # simple replacement for missing mktemp

  3314.     # NOT SAFE FOR GENERAL USE

  3315.     mktemp(){

  3316.         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"

  3317.     }

  3318. fi

  3319. 

  3320. tmpfile(){

  3321.     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&

  3322.         (set -C; exec > $tmp) 2>/dev/null ||

  3323.         die "Unable to create temporary file in $TMPDIR."

  3324.     append TMPFILES $tmp

  3325.     eval $1=$tmp

  3326. }

  3327. 

  3328. trap 'rm -f -- $TMPFILES' EXIT

  3329. 

  3330. tmpfile TMPASM .asm

  3331. tmpfile TMPC   .c

  3332. tmpfile TMPCPP .cpp

  3333. tmpfile TMPE   $EXESUF

  3334. tmpfile TMPH   .h

  3335. tmpfile TMPM   .m

  3336. tmpfile TMPO   .o

  3337. tmpfile TMPS   .S

  3338. tmpfile TMPSH  .sh

  3339. tmpfile TMPV   .ver

  3340. 

  3341. unset -f mktemp

  3342. 

  3343. chmod +x $TMPE

  3344. 

  3345. # make sure we can execute files in $TMPDIR

  3346. cat > $TMPSH 2>> $logfile <<EOF

  3347. #! /bin/sh

  3348. EOF

  3349. chmod +x $TMPSH >> $logfile 2>&1

  3350. if ! $TMPSH >> $logfile 2>&1; then

  3351.     cat <<EOF

  3352. Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment

  3353. variable to another directory and make sure that it is not mounted noexec.

  3354. EOF

  3355.     die "Sanity test failed."

  3356. fi

  3357. 

  3358. armasm_flags(){

  3359.     for flag; do

  3360.         case $flag in

  3361.             # Filter out MSVC cl.exe options from cflags that shouldn't

  3362.             # be passed to gas-preprocessor

  3363.             -M[TD]*)                                            ;;

  3364.             *)                  echo $flag                      ;;

  3365.         esac

  3366.    done

  3367. }

  3368. 

  3369. ccc_flags(){

  3370.     for flag; do

  3371.         case $flag in

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

  3373.             -mcpu=*)            echo -arch ${flag#*=}           ;;

  3374.             -mieee)             echo -ieee                      ;;

  3375.             -O*|-fast)          echo $flag                      ;;

  3376.             -fno-math-errno)    echo -assume nomath_errno       ;;

  3377.             -g)                 echo -g3                        ;;

  3378.             -Wall)              echo -msg_enable level2         ;;

  3379.             -Wno-pointer-sign)  echo -msg_disable ptrmismatch1  ;;

  3380.             -Wl,*)              echo $flag                      ;;

  3381.             -f*|-W*)                                            ;;

  3382.             *)                  echo $flag                      ;;

  3383.         esac

  3384.    done

  3385. }

  3386. 

  3387. cparser_flags(){

  3388.     for flag; do

  3389.         case $flag in

  3390.             -Wno-switch)             echo -Wno-switch-enum ;;

  3391.             -Wno-format-zero-length) ;;

  3392.             -Wdisabled-optimization) ;;

  3393.             -Wno-pointer-sign)       echo -Wno-other ;;

  3394.             *)                       echo $flag ;;

  3395.         esac

  3396.     done

  3397. }

  3398. 

  3399. msvc_common_flags(){

  3400.     for flag; do

  3401.         case $flag in

  3402.             # In addition to specifying certain flags under the compiler

  3403.             # specific filters, they must be specified here as well or else the

  3404.             # generic catch all at the bottom will print the original flag.

  3405.             -Wall)                ;;

  3406.             -std=c99)             ;;

  3407.             # Common flags

  3408.             -fomit-frame-pointer) ;;

  3409.             -g)                   echo -Z7 ;;

  3410.             -fno-math-errno)      ;;

  3411.             -fno-common)          ;;

  3412.             -fno-signed-zeros)    ;;

  3413.             -fPIC)                ;;

  3414.             -mthumb)              ;;

  3415.             -march=*)             ;;

  3416.             -lz)                  echo zlib.lib ;;

  3417.             -lavifil32)           echo vfw32.lib ;;

  3418.             -lavicap32)           echo vfw32.lib user32.lib ;;

  3419.             -l*)                  echo ${flag#-l}.lib ;;

  3420.             -LARGEADDRESSAWARE)   echo $flag ;;

  3421.             -L*)                  echo -libpath:${flag#-L} ;;

  3422.             *)                    echo $flag ;;

  3423.         esac

  3424.     done

  3425. }

  3426. 

  3427. msvc_flags(){

  3428.     msvc_common_flags "$@"

  3429.     for flag; do

  3430.         case $flag in

  3431.             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389     \

  3432.                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \

  3433.                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \

  3434.                                        -wd4307 \

  3435.                                        -wd4273 -wd4554 -wd4701 ;;

  3436.         esac

  3437.     done

  3438. }

  3439. 

  3440. icl_flags(){

  3441.     msvc_common_flags "$@"

  3442.     for flag; do

  3443.         case $flag in

  3444.             # Despite what Intel's documentation says -Wall, which is supported

  3445.             # on Windows, does enable remarks so disable them here.

  3446.             -Wall)                echo $flag -Qdiag-disable:remark ;;

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

  3448.             -flto)                echo -ipo ;;

  3449.         esac

  3450.     done

  3451. }

  3452. 

  3453. icc_flags(){

  3454.     for flag; do

  3455.         case $flag in

  3456.             -flto)                echo -ipo ;;

  3457.             *)                    echo $flag ;;

  3458.         esac

  3459.     done

  3460. }

  3461. 

  3462. pgi_flags(){

  3463.     for flag; do

  3464.         case $flag in

  3465.             -flto)                echo -Mipa=fast,libopt,libinline,vestigial ;;

  3466.             -fomit-frame-pointer) echo -Mnoframe ;;

  3467.             -g)                   echo -gopt ;;

  3468.             *)                    echo $flag ;;

  3469.         esac

  3470.     done

  3471. }

  3472. 

  3473. suncc_flags(){

  3474.     for flag; do

  3475.         case $flag in

  3476.             -march=*|-mcpu=*)

  3477.                 case "${flag#*=}" in

  3478.                     native)                   echo -xtarget=native       ;;

  3479.                     v9|niagara)               echo -xarch=sparc          ;;

  3480.                     ultrasparc)               echo -xarch=sparcvis       ;;

  3481.                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;

  3482.                     i586|pentium)             echo -xchip=pentium        ;;

  3483.                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;

  3484.                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;

  3485.                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;

  3486.                     pentium4*)          echo -xtarget=pentium4           ;;

  3487.                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;

  3488.                     *-sse3)             echo -xarch=sse3                 ;;

  3489.                     core2)              echo -xarch=ssse3 -xchip=core2   ;;

  3490.                     bonnell)                   echo -xarch=ssse3         ;;

  3491.                     corei7|nehalem)            echo -xtarget=nehalem     ;;

  3492.                     westmere)                  echo -xtarget=westmere    ;;

  3493.                     silvermont)                echo -xarch=sse4_2        ;;

  3494.                     corei7-avx|sandybridge)    echo -xtarget=sandybridge ;;

  3495.                     core-avx*|ivybridge|haswell|broadwell)

  3496.                                                echo -xarch=avx           ;;

  3497.                     amdfam10|barcelona)        echo -xtarget=barcelona   ;;

  3498.                     btver1)                    echo -xarch=amdsse4a      ;;

  3499.                     btver2|bdver*)             echo -xarch=avx           ;;

  3500.                     athlon-4|athlon-[mx]p)     echo -xarch=ssea          ;;

  3501.                     k8|opteron|athlon64|athlon-fx)

  3502.                                                echo -xarch=sse2a         ;;

  3503.                     athlon*)                   echo -xarch=pentium_proa  ;;

  3504.                 esac

  3505.                 ;;

  3506.             -std=c99)             echo -xc99              ;;

  3507.             -fomit-frame-pointer) echo -xregs=frameptr    ;;

  3508.             -fPIC)                echo -KPIC -xcode=pic32 ;;

  3509.             -W*,*)                echo $flag              ;;

  3510.             -f*-*|-W*|-mimpure-text)                      ;;

  3511.             -shared)              echo -G                 ;;

  3512.             *)                    echo $flag              ;;

  3513.         esac

  3514.     done

  3515. }

  3516. 

  3517. tms470_flags(){

  3518.     for flag; do

  3519.         case $flag in

  3520.             -march=*|-mcpu=*)

  3521.                 case "${flag#*=}" in

  3522.                     armv7-a|cortex-a*)      echo -mv=7a8 ;;

  3523.                     armv7-r|cortex-r*)      echo -mv=7r4 ;;

  3524.                     armv7-m|cortex-m*)      echo -mv=7m3 ;;

  3525.                     armv6*|arm11*)          echo -mv=6   ;;

  3526.                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])

  3527.                                             echo -mv=5e  ;;

  3528.                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;

  3529.                 esac

  3530.                 ;;

  3531.             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;

  3532.             -mfpu=vfp)      echo --float_support=vfpv2        ;;

  3533.             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;

  3534.             -mfpu=vfpv3-d16) echo --float_support=vfpv3d16    ;;

  3535.             -msoft-float)   echo --float_support=vfplib       ;;

  3536.             -O[0-3]|-mf=*)  echo $flag                        ;;

  3537.             -g)             echo -g -mn                       ;;

  3538.             -pds=*)         echo $flag                        ;;

  3539.             -D*|-I*)        echo $flag                        ;;

  3540.             --gcc|--abi=*)  echo $flag                        ;;

  3541.             -me)            echo $flag                        ;;

  3542.         esac

  3543.     done

  3544. }

  3545. 

  3546. probe_cc(){

  3547.     pfx=$1

  3548.     _cc=$2

  3549. 

  3550.     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags

  3551.     unset _ld_o _ldflags _ld_lib _ld_path

  3552.     unset _depflags _DEPCMD _DEPFLAGS

  3553.     _flags_filter=echo

  3554. 

  3555.     if $_cc --version 2>&1 | grep -q '^GNU assembler'; then

  3556.         true # no-op to avoid reading stdin in following checks

  3557.     elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then

  3558.         _type=llvm_gcc

  3559.         gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')

  3560.         _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"

  3561.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3562.         _cflags_speed='-O3'

  3563.         _cflags_size='-Os'

  3564.     elif $_cc -v 2>&1 | grep -qi ^gcc; then

  3565.         _type=gcc

  3566.         gcc_version=$($_cc --version | head -n1)

  3567.         gcc_basever=$($_cc -dumpversion)

  3568.         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')

  3569.         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")

  3570.         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")

  3571.         case $gcc_basever in

  3572.             2*) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;

  3573.         esac

  3574.         _cflags_speed='-O3'

  3575.         _cflags_size='-Os'

  3576.     elif $_cc --version 2>/dev/null | grep -q ^icc; then

  3577.         _type=icc

  3578.         _ident=$($_cc --version | head -n1)

  3579.         _depflags='-MMD'

  3580.         _cflags_speed='-O3'

  3581.         _cflags_size='-Os'

  3582.         _cflags_noopt='-O1'

  3583.         _flags_filter=icc_flags

  3584.     elif $_cc -v 2>&1 | grep -q xlc; then

  3585.         _type=xlc

  3586.         _ident=$($_cc -qversion 2>/dev/null | head -n1)

  3587.         _cflags_speed='-O5'

  3588.         _cflags_size='-O5 -qcompact'

  3589.     elif $_cc -V 2>/dev/null | grep -q Compaq; then

  3590.         _type=ccc

  3591.         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)

  3592.         _DEPFLAGS='-M'

  3593.         _cflags_speed='-fast'

  3594.         _cflags_size='-O1'

  3595.         _flags_filter=ccc_flags

  3596.     elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then

  3597.         test -d "$sysroot" || die "No valid sysroot specified."

  3598.         _type=armcc

  3599.         _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')

  3600.         armcc_conf="$PWD/armcc.conf"

  3601.         $_cc --arm_linux_configure                 \

  3602.              --arm_linux_config_file="$armcc_conf" \

  3603.              --configure_sysroot="$sysroot"        \

  3604.              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||

  3605.              die "Error creating armcc configuration file."

  3606.         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc

  3607.         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"

  3608.         as_default="${cross_prefix}gcc"

  3609.         _depflags='-MMD'

  3610.         _cflags_speed='-O3'

  3611.         _cflags_size='-Os'

  3612.     elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then

  3613.         _type=tms470

  3614.         _ident=$($_cc -version | head -n1 | tr -s ' ')

  3615.         _flags='--gcc --abi=eabi -me'

  3616.         _cc_e='-ppl -fe=$@'

  3617.         _cc_o='-fe=$@'

  3618.         _depflags='-ppa -ppd=$(@:.o=.d)'

  3619.         _cflags_speed='-O3 -mf=5'

  3620.         _cflags_size='-O3 -mf=2'

  3621.         _flags_filter=tms470_flags

  3622.     elif $_cc -v 2>&1 | grep -q clang; then

  3623.         _type=clang

  3624.         _ident=$($_cc --version 2>/dev/null | head -n1)

  3625.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3626.         _cflags_speed='-O3'

  3627.         _cflags_size='-Os'

  3628.     elif $_cc -V 2>&1 | grep -q Sun; then

  3629.         _type=suncc

  3630.         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)

  3631.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'

  3632.         _DEPFLAGS='-xM1 -xc99'

  3633.         _ldflags='-std=c99'

  3634.         _cflags_speed='-O5'

  3635.         _cflags_size='-O5 -xspace'

  3636.         _flags_filter=suncc_flags

  3637.     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then

  3638.         _type=pathscale

  3639.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  3640.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3641.         _cflags_speed='-O2'

  3642.         _cflags_size='-Os'

  3643.         _flags_filter='filter_out -Wdisabled-optimization'

  3644.     elif $_cc -v 2>&1 | grep -q Open64; then

  3645.         _type=open64

  3646.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  3647.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3648.         _cflags_speed='-O2'

  3649.         _cflags_size='-Os'

  3650.         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'

  3651.     elif $_cc -V 2>&1 | grep -q Portland; then

  3652.         _type=pgi

  3653.         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"

  3654.         opt_common='-alias=ansi -Mdse -Mlre -Mpre'

  3655.         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"

  3656.         _cflags_size="-O2 -Munroll=c:1 $opt_common"

  3657.         _cflags_noopt="-O"

  3658.         _flags_filter=pgi_flags

  3659.     elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then

  3660.         _type=armasm

  3661.         _ident=$($_cc | head -n1)

  3662.         # 4509: "This form of conditional instruction is deprecated"

  3663.         _flags="-nologo -ignore 4509"

  3664.         _flags_filter=armasm_flags

  3665.     elif $_cc 2>&1 | grep -q Intel; then

  3666.         _type=icl

  3667.         _ident=$($_cc 2>&1 | head -n1)

  3668.         _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'

  3669.         # Not only is O3 broken on 13.x+ but it is slower on all previous

  3670.         # versions (tested) as well.

  3671.         _cflags_speed="-O2"

  3672.         _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff

  3673.         if $_cc 2>&1 | grep -q Linker; then

  3674.             _ld_o='-out:$@'

  3675.         else

  3676.             _ld_o='-Fe$@'

  3677.         fi

  3678.         _cc_o='-Fo$@'

  3679.         _cc_e='-P'

  3680.         _flags_filter=icl_flags

  3681.         _ld_lib='lib%.a'

  3682.         _ld_path='-libpath:'

  3683.         # -Qdiag-error to make icl error when seeing certain unknown arguments

  3684.         _flags='-nologo -Qdiag-error:4044,10157'

  3685.         # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency

  3686.         # with MSVC which enables it by default.

  3687.         _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS -fp:precise'

  3688.         disable stripping

  3689.     elif $_cc -nologo- 2>&1 | grep -q Microsoft; then

  3690.         _type=msvc

  3691.         _ident=$($_cc 2>&1 | head -n1)

  3692.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'

  3693.         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'

  3694.         _cflags_speed="-O2"

  3695.         _cflags_size="-O1"

  3696.         if $_cc -nologo- 2>&1 | grep -q Linker; then

  3697.             _ld_o='-out:$@'

  3698.         else

  3699.             _ld_o='-Fe$@'

  3700.         fi

  3701.         _cc_o='-Fo$@'

  3702.         _cc_e='-P -Fi$@'

  3703.         _flags_filter=msvc_flags

  3704.         _ld_lib='lib%.a'

  3705.         _ld_path='-libpath:'

  3706.         _flags='-nologo'

  3707.         _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS'

  3708.         disable stripping

  3709.     elif $_cc --version 2>/dev/null | grep -q ^cparser; then

  3710.         _type=cparser

  3711.         _ident=$($_cc --version | head -n1)

  3712.         _depflags='-MMD'

  3713.         _cflags_speed='-O4'

  3714.         _cflags_size='-O2'

  3715.         _flags_filter=cparser_flags

  3716.     fi

  3717. 

  3718.     eval ${pfx}_type=\$_type

  3719.     eval ${pfx}_ident=\$_ident

  3720. }

  3721. 

  3722. set_ccvars(){

  3723.     eval ${1}_C=\${_cc_c-\${${1}_C}}

  3724.     eval ${1}_E=\${_cc_e-\${${1}_E}}

  3725.     eval ${1}_O=\${_cc_o-\${${1}_O}}

  3726. 

  3727.     if [ -n "$_depflags" ]; then

  3728.         eval ${1}_DEPFLAGS=\$_depflags

  3729.     else

  3730.         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}

  3731.         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}

  3732.         eval DEP${1}FLAGS=\$_flags

  3733.     fi

  3734. }

  3735. 

  3736. probe_cc cc "$cc"

  3737. cflags_filter=$_flags_filter

  3738. cflags_speed=$_cflags_speed

  3739. cflags_size=$_cflags_size

  3740. cflags_noopt=$_cflags_noopt

  3741. add_cflags $_flags $_cflags

  3742. cc_ldflags=$_ldflags

  3743. set_ccvars CC

  3744. 

  3745. probe_cc hostcc "$host_cc"

  3746. host_cflags_filter=$_flags_filter

  3747. add_host_cflags  $_flags $_cflags

  3748. set_ccvars HOSTCC

  3749. 

  3750. test -n "$cc_type" && enable $cc_type ||

  3751.     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"

  3752. 

  3753. : ${as_default:=$cc}

  3754. : ${dep_cc_default:=$cc}

  3755. : ${ld_default:=$cc}

  3756. : ${host_ld_default:=$host_cc}

  3757. set_default ar as dep_cc ld host_ld windres

  3758. 

  3759. probe_cc as "$as"

  3760. asflags_filter=$_flags_filter

  3761. add_asflags $_flags $_cflags

  3762. set_ccvars AS

  3763. 

  3764. probe_cc ld "$ld"

  3765. ldflags_filter=$_flags_filter

  3766. add_ldflags $_flags $_ldflags

  3767. test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags

  3768. LD_O=${_ld_o-$LD_O}

  3769. LD_LIB=${_ld_lib-$LD_LIB}

  3770. LD_PATH=${_ld_path-$LD_PATH}

  3771. 

  3772. probe_cc hostld "$host_ld"

  3773. host_ldflags_filter=$_flags_filter

  3774. add_host_ldflags $_flags $_ldflags

  3775. HOSTLD_O=${_ld_o-$HOSTLD_O}

  3776. 

  3777. if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then

  3778.     probe_cc depcc "$dep_cc"

  3779.     CCDEP=${_DEPCMD:-$DEPCMD}

  3780.     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}

  3781.     DEPCCFLAGS=$_flags

  3782. fi

  3783. 

  3784. if $ar 2>&1 | grep -q Microsoft; then

  3785.     arflags="-nologo"

  3786.     ar_o='-out:$@'

  3787. elif $ar 2>&1 | grep -q 'Texas Instruments'; then

  3788.     arflags="rq"

  3789.     ar_o='$@'

  3790. elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then

  3791.     arflags='-Xany -r -c'

  3792.     ar_o='$@'

  3793. elif $ar 2>&1 | grep -q "\[D\] "; then

  3794.     arflags="rcD"

  3795.     ar_o='$@'

  3796. else

  3797.     arflags="rc"

  3798.     ar_o='$@'

  3799. fi

  3800. 

  3801. add_cflags $extra_cflags

  3802. add_cxxflags $extra_cxxflags

  3803. add_asflags $extra_cflags

  3804. 

  3805. if test -n "$sysroot"; then

  3806.     case "$cc_type" in

  3807.         gcc|llvm_gcc|clang)

  3808.             add_cppflags --sysroot="$sysroot"

  3809.             add_ldflags --sysroot="$sysroot"

  3810. # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking

  3811.             add_cppflags -isysroot "$sysroot"

  3812.             add_ldflags -isysroot "$sysroot"

  3813.         ;;

  3814.         tms470)

  3815.             add_cppflags -I"$sysinclude"

  3816.             add_ldflags  --sysroot="$sysroot"

  3817.         ;;

  3818.     esac

  3819. fi

  3820. 

  3821. if test "$cpu" = host; then

  3822.     enabled cross_compile &&

  3823.         die "--cpu=host makes no sense when cross-compiling."

  3824. 

  3825.     case "$cc_type" in

  3826.         gcc|llvm_gcc)

  3827.             check_native(){

  3828.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  3829.                 sed -n "/cc1.*$1=/{

  3830.                             s/.*$1=\\([^ ]*\\).*/\\1/

  3831.                             p

  3832.                             q

  3833.                         }" $TMPE

  3834.             }

  3835.             cpu=$(check_native -march || check_native -mcpu)

  3836.         ;;

  3837.     esac

  3838. 

  3839.     test "${cpu:-host}" = host &&

  3840.         die "--cpu=host not supported with compiler $cc"

  3841. fi

  3842. 

  3843. # Deal with common $arch aliases

  3844. case "$arch" in

  3845.     aarch64|arm64)

  3846.         arch="aarch64"

  3847.     ;;

  3848.     arm*|iPad*|iPhone*)

  3849.         arch="arm"

  3850.     ;;

  3851.     mips*|IP*)

  3852.         arch="mips"

  3853.     ;;

  3854.     parisc*|hppa*)

  3855.         arch="parisc"

  3856.     ;;

  3857.     "Power Macintosh"|ppc*|powerpc*)

  3858.         arch="ppc"

  3859.     ;;

  3860.     s390|s390x)

  3861.         arch="s390"

  3862.     ;;

  3863.     sh4|sh)

  3864.         arch="sh4"

  3865.     ;;

  3866.     sun4u|sparc*)

  3867.         arch="sparc"

  3868.     ;;

  3869.     tilegx|tile-gx)

  3870.         arch="tilegx"

  3871.     ;;

  3872.     i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)

  3873.         arch="x86"

  3874.     ;;

  3875. esac

  3876. 

  3877. is_in $arch $ARCH_LIST || warn "unknown architecture $arch"

  3878. enable $arch

  3879. 

  3880. # Add processor-specific flags

  3881. if enabled aarch64; then

  3882. 

  3883.     case $cpu in

  3884.         armv*)

  3885.             cpuflags="-march=$cpu"

  3886.         ;;

  3887.         *)

  3888.             cpuflags="-mcpu=$cpu"

  3889.         ;;

  3890.     esac

  3891. 

  3892. elif enabled alpha; then

  3893. 

  3894.     cpuflags="-mcpu=$cpu"

  3895. 

  3896. elif enabled arm; then

  3897. 

  3898.     check_arm_arch() {

  3899.         check_cpp_condition stddef.h \

  3900.             "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \

  3901.             $cpuflags

  3902.     }

  3903. 

  3904.     probe_arm_arch() {

  3905.         if   check_arm_arch 4;        then echo armv4;

  3906.         elif check_arm_arch 4T;       then echo armv4t;

  3907.         elif check_arm_arch 5;        then echo armv5;

  3908.         elif check_arm_arch 5E;       then echo armv5e;

  3909.         elif check_arm_arch 5T;       then echo armv5t;

  3910.         elif check_arm_arch 5TE;      then echo armv5te;

  3911.         elif check_arm_arch 5TEJ;     then echo armv5te;

  3912.         elif check_arm_arch 6;        then echo armv6;

  3913.         elif check_arm_arch 6J;       then echo armv6j;

  3914.         elif check_arm_arch 6K;       then echo armv6k;

  3915.         elif check_arm_arch 6Z;       then echo armv6z;

  3916.         elif check_arm_arch 6ZK;      then echo armv6zk;

  3917.         elif check_arm_arch 6T2;      then echo armv6t2;

  3918.         elif check_arm_arch 7;        then echo armv7;

  3919.         elif check_arm_arch 7A  7_A;  then echo armv7-a;

  3920.         elif check_arm_arch 7S;       then echo armv7-a;

  3921.         elif check_arm_arch 7R  7_R;  then echo armv7-r;

  3922.         elif check_arm_arch 7M  7_M;  then echo armv7-m;

  3923.         elif check_arm_arch 7EM 7E_M; then echo armv7-m;

  3924.         elif check_arm_arch 8A  8_A;  then echo armv8-a;

  3925.         fi

  3926.     }

  3927. 

  3928.     [ "$cpu" = generic ] && cpu=$(probe_arm_arch)

  3929. 

  3930.     case $cpu in

  3931.         armv*)

  3932.             cpuflags="-march=$cpu"

  3933.             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')

  3934.         ;;

  3935.         *)

  3936.             cpuflags="-mcpu=$cpu"

  3937.             case $cpu in

  3938.                 cortex-a*)                               subarch=armv7a  ;;

  3939.                 cortex-r*)                               subarch=armv7r  ;;

  3940.                 cortex-m*)                 enable thumb; subarch=armv7m  ;;

  3941.                 arm11*)                                  subarch=armv6   ;;

  3942.                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;

  3943.                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;

  3944.                 *)                             subarch=$(probe_arm_arch) ;;

  3945.             esac

  3946.         ;;

  3947.     esac

  3948. 

  3949.     case "$subarch" in

  3950.         armv5t*)    enable fast_clz                ;;

  3951.         armv[6-8]*)

  3952.             enable fast_clz

  3953.             disabled fast_unaligned || enable fast_unaligned

  3954.             ;;

  3955.     esac

  3956. 

  3957. elif enabled avr32; then

  3958. 

  3959.     case $cpu in

  3960.         ap7[02]0[0-2])

  3961.             subarch="avr32_ap"

  3962.             cpuflags="-mpart=$cpu"

  3963.         ;;

  3964.         ap)

  3965.             subarch="avr32_ap"

  3966.             cpuflags="-march=$cpu"

  3967.         ;;

  3968.         uc3[ab]*)

  3969.             subarch="avr32_uc"

  3970.             cpuflags="-mcpu=$cpu"

  3971.         ;;

  3972.         uc)

  3973.             subarch="avr32_uc"

  3974.             cpuflags="-march=$cpu"

  3975.         ;;

  3976.     esac

  3977. 

  3978. elif enabled bfin; then

  3979. 

  3980.     cpuflags="-mcpu=$cpu"

  3981. 

  3982. elif enabled mips; then

  3983. 

  3984.     cpuflags="-march=$cpu"

  3985. 

  3986.     case $cpu in

  3987.         24kc)

  3988.             disable mips32r5

  3989.             disable mips64r6

  3990.             disable mipsfpu

  3991.             disable mipsdspr1

  3992.             disable mipsdspr2

  3993.             disable msa

  3994.         ;;

  3995.         24kf*)

  3996.             disable mips32r5

  3997.             disable mips64r6

  3998.             disable mipsdspr1

  3999.             disable mipsdspr2

  4000.             disable msa

  4001.         ;;

  4002.         24kec|34kc|1004kc)

  4003.             disable mips32r5

  4004.             disable mips64r6

  4005.             disable mipsfpu

  4006.             disable mipsdspr2

  4007.             disable msa

  4008.         ;;

  4009.         24kef*|34kf*|1004kf*)

  4010.             disable mips32r5

  4011.             disable mips64r6

  4012.             disable mipsdspr2

  4013.             disable msa

  4014.         ;;

  4015.         74kc)

  4016.             disable mips32r5

  4017.             disable mips64r6

  4018.             disable mipsfpu

  4019.             disable msa

  4020.         ;;

  4021.         74kf)

  4022.             disable mips32r5

  4023.             disable mips64r6

  4024.             disable msa

  4025.         ;;

  4026.         p5600)

  4027.             disable mips64r6

  4028.             disable mipsdspr1

  4029.             disable mipsdspr2

  4030. 

  4031.             check_cflags "-mtune=p5600"

  4032.         ;;

  4033.         i6400)

  4034.             disable mips32r5

  4035.             disable mipsdspr1

  4036.             disable mipsdspr2

  4037.             disable mipsfpu

  4038. 

  4039.             check_cflags "-mtune=i6400 -mabi=64"

  4040.             check_ldflags "-mabi=64"

  4041.         ;;

  4042.         loongson*)

  4043.             disable mipsfpu

  4044.             disable mips32r2

  4045.             disable mips32r5

  4046.             disable mips64r6

  4047.             disable mipsdspr1

  4048.             disable mipsdspr2

  4049.             disable msa

  4050.             enable local_aligned_8 local_aligned_16 local_aligned_32

  4051.             enable simd_align_16

  4052.             enable fast_64bit

  4053.             enable fast_clz

  4054.             enable fast_cmov

  4055.             enable fast_unaligned

  4056.             disable aligned_stack

  4057.             case $cpu in

  4058.                 loongson3*)

  4059.                     cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"

  4060.                 ;;

  4061.                 loongson2e)

  4062.                     cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"

  4063.                 ;;

  4064.                 loongson2f)

  4065.                     cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"

  4066.                 ;;

  4067.             esac

  4068.         ;;

  4069.         generic)

  4070.             disable mips32r5

  4071.             disable mips64r6

  4072.             disable msa

  4073.         ;;

  4074.     esac

  4075. 

  4076. elif enabled ppc; then

  4077. 

  4078.     disable ldbrx

  4079. 

  4080.     case $(tolower $cpu) in

  4081.         601|ppc601|powerpc601)

  4082.             cpuflags="-mcpu=601"

  4083.             disable altivec

  4084.         ;;

  4085.         603*|ppc603*|powerpc603*)

  4086.             cpuflags="-mcpu=603"

  4087.             disable altivec

  4088.         ;;

  4089.         604*|ppc604*|powerpc604*)

  4090.             cpuflags="-mcpu=604"

  4091.             disable altivec

  4092.         ;;

  4093.         g3|75*|ppc75*|powerpc75*)

  4094.             cpuflags="-mcpu=750"

  4095.             disable altivec

  4096.         ;;

  4097.         g4|745*|ppc745*|powerpc745*)

  4098.             cpuflags="-mcpu=7450"

  4099.             disable vsx

  4100.         ;;

  4101.         74*|ppc74*|powerpc74*)

  4102.             cpuflags="-mcpu=7400"

  4103.             disable vsx

  4104.         ;;

  4105.         g5|970|ppc970|powerpc970)

  4106.             cpuflags="-mcpu=970"

  4107.             disable vsx

  4108.         ;;

  4109.         power[3-6]*)

  4110.             cpuflags="-mcpu=$cpu"

  4111.             disable vsx

  4112.         ;;

  4113.         power[7-8]*)

  4114.             cpuflags="-mcpu=$cpu"

  4115.         ;;

  4116.         cell)

  4117.             cpuflags="-mcpu=cell"

  4118.             enable ldbrx

  4119.             disable vsx

  4120.         ;;

  4121.         e500mc)

  4122.             cpuflags="-mcpu=e500mc"

  4123.             disable altivec

  4124.         ;;

  4125.         e500v2)

  4126.             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"

  4127.             disable altivec

  4128.             disable dcbzl

  4129.         ;;

  4130.         e500)

  4131.             cpuflags="-mcpu=8540 -mhard-float"

  4132.             disable altivec

  4133.             disable dcbzl

  4134.         ;;

  4135.     esac

  4136. 

  4137. elif enabled sparc; then

  4138. 

  4139.     case $cpu in

  4140.         cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])

  4141.             cpuflags="-mcpu=$cpu"

  4142.         ;;

  4143.         ultrasparc*|niagara[234])

  4144.             cpuflags="-mcpu=$cpu"

  4145.         ;;

  4146.     esac

  4147. 

  4148. elif enabled x86; then

  4149. 

  4150.     case $cpu in

  4151.         i[345]86|pentium)

  4152.             cpuflags="-march=$cpu"

  4153.             disable i686

  4154.             disable mmx

  4155.         ;;

  4156.         # targets that do NOT support nopl and conditional mov (cmov)

  4157.         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)

  4158.             cpuflags="-march=$cpu"

  4159.             disable i686

  4160.         ;;

  4161.         # targets that do support nopl and conditional mov (cmov)

  4162.         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\

  4163.         |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)

  4164.             cpuflags="-march=$cpu"

  4165.             enable i686

  4166.             enable fast_cmov

  4167.         ;;

  4168.         # targets that do support conditional mov but on which it's slow

  4169.         pentium4|pentium4m|prescott|nocona)

  4170.             cpuflags="-march=$cpu"

  4171.             enable i686

  4172.             disable fast_cmov

  4173.         ;;

  4174.     esac

  4175. 

  4176. fi

  4177. 

  4178. if [ "$cpu" != generic ]; then

  4179.     add_cflags  $cpuflags

  4180.     add_asflags $cpuflags

  4181. fi

  4182. 

  4183. # compiler sanity check

  4184. check_exec <<EOF

  4185. int main(void){ return 0; }

  4186. EOF

  4187. if test "$?" != 0; then

  4188.     echo "$cc is unable to create an executable file."

  4189.     if test -z "$cross_prefix" && ! enabled cross_compile ; then

  4190.         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."

  4191.         echo "Only do this if you know what cross compiling means."

  4192.     fi

  4193.     die "C compiler test failed."

  4194. fi

  4195. 

  4196. add_cppflags -D_ISOC99_SOURCE

  4197. add_cxxflags -D__STDC_CONSTANT_MACROS

  4198. check_cflags -std=c99

  4199. check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64

  4200. #include <stdlib.h>

  4201. EOF

  4202. check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE

  4203. #include <stdlib.h>

  4204. EOF

  4205. 

  4206. add_host_cppflags -D_ISOC99_SOURCE

  4207. check_host_cflags -std=c99

  4208. check_host_cflags -Wall

  4209. check_host_cflags -O3

  4210. 

  4211. check_64bit(){

  4212.     arch32=$1

  4213.     arch64=$2

  4214.     expr=$3

  4215.     check_code cc "" "int test[2*($expr) - 1]" &&

  4216.         subarch=$arch64 || subarch=$arch32

  4217. }

  4218. 

  4219. case "$arch" in

  4220.     aarch64|alpha|ia64)

  4221.         spic=$shared

  4222.     ;;

  4223.     mips)

  4224.         check_64bit mips mips64 '_MIPS_SIM > 1'

  4225.         spic=$shared

  4226.     ;;

  4227.     parisc)

  4228.         check_64bit parisc parisc64 'sizeof(void *) > 4'

  4229.         spic=$shared

  4230.     ;;

  4231.     ppc)

  4232.         check_64bit ppc ppc64 'sizeof(void *) > 4'

  4233.         spic=$shared

  4234.     ;;

  4235.     s390)

  4236.         check_64bit s390 s390x 'sizeof(void *) > 4'

  4237.         spic=$shared

  4238.     ;;

  4239.     sparc)

  4240.         check_64bit sparc sparc64 'sizeof(void *) > 4'

  4241.         spic=$shared

  4242.     ;;

  4243.     x86)

  4244.         check_64bit x86_32 x86_64 'sizeof(void *) > 4'

  4245.         # Treat x32 as x64 for now. Note it also needs spic=$shared

  4246.         test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&

  4247.             subarch=x86_64

  4248.         if test "$subarch" = "x86_64"; then

  4249.             spic=$shared

  4250.         fi

  4251.     ;;

  4252.     ppc)

  4253.         check_cc <<EOF && subarch="ppc64"

  4254.         int test[(int)sizeof(char*) - 7];

  4255. EOF

  4256.     ;;

  4257. esac

  4258. 

  4259. enable $subarch

  4260. enabled spic && enable_weak pic

  4261. 

  4262. # OS specific

  4263. case $target_os in

  4264.     aix)

  4265.         SHFLAGS=-shared

  4266.         add_cppflags '-I\$(SRC_PATH)/compat/aix'

  4267.         enabled shared && add_ldflags -Wl,-brtl

  4268.         ;;

  4269.     android)

  4270.         disable symver

  4271.         enable section_data_rel_ro

  4272.         SLIB_INSTALL_NAME='$(SLIBNAME)'

  4273.         SLIB_INSTALL_LINKS=

  4274.         # soname not set on purpose

  4275.         SHFLAGS=-shared

  4276.         ;;

  4277.     haiku)

  4278.         prefix_default="/boot/common"

  4279.         network_extralibs="-lnetwork"

  4280.         host_libs=

  4281.         ;;

  4282.     sunos)

  4283.         SHFLAGS='-shared -Wl,-h,$$(@F)'

  4284.         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"

  4285.         network_extralibs="-lsocket -lnsl"

  4286.         add_cppflags -D__EXTENSIONS__

  4287.         # When using suncc to build, the Solaris linker will mark

  4288.         # an executable with each instruction set encountered by

  4289.         # the Solaris assembler.  As our libraries contain their own

  4290.         # guards for processor-specific code, instead suppress

  4291.         # generation of the HWCAPS ELF section on Solaris x86 only.

  4292.         enabled_all suncc x86 &&

  4293.             echo "hwcap_1 = OVERRIDE;" > mapfile &&

  4294.             add_ldflags -Wl,-M,mapfile

  4295.         nm_default='nm -P -g'

  4296.         ;;

  4297.     netbsd)

  4298.         disable symver

  4299.         oss_indev_extralibs="-lossaudio"

  4300.         oss_outdev_extralibs="-lossaudio"

  4301.         enabled gcc || check_ldflags -Wl,-zmuldefs

  4302.         ;;

  4303.     openbsd|bitrig)

  4304.         disable symver

  4305.         SHFLAGS='-shared'

  4306.         SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'

  4307.         SLIB_INSTALL_LINKS=

  4308.         oss_indev_extralibs="-lossaudio"

  4309.         oss_outdev_extralibs="-lossaudio"

  4310.         ;;

  4311.     dragonfly)

  4312.         disable symver

  4313.         ;;

  4314.     freebsd)

  4315.         ;;

  4316.     bsd/os)

  4317.         add_extralibs -lpoll -lgnugetopt

  4318.         strip="strip -d"

  4319.         ;;

  4320.     darwin)

  4321.         enabled ppc && add_asflags -force_cpusubtype_ALL

  4322.         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'

  4323.         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress

  4324.         strip="${strip} -x"

  4325.         add_ldflags -Wl,-dynamic,-search_paths_first

  4326.         SLIBSUF=".dylib"

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

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

  4329.         objformat="macho"

  4330.         enabled x86_64 && objformat="macho64"

  4331.         enabled_any pic shared x86_64 ||

  4332.             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }

  4333.         ;;

  4334.     mingw32*)

  4335.         if test $target_os = "mingw32ce"; then

  4336.             disable network

  4337.         else

  4338.             target_os=mingw32

  4339.         fi

  4340.         decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"

  4341.         decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"

  4342.         LIBTARGET=i386

  4343.         if enabled x86_64; then

  4344.             LIBTARGET="i386:x86-64"

  4345.         elif enabled arm; then

  4346.             LIBTARGET=arm-wince

  4347.         fi

  4348.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4349.         check_ldflags -Wl,--nxcompat

  4350.         check_ldflags -Wl,--dynamicbase

  4351.         enabled x86_32 && check_ldflags -Wl,--large-address-aware

  4352.         shlibdir_default="$bindir_default"

  4353.         SLIBPREF=""

  4354.         SLIBSUF=".dll"

  4355.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4356.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4357.         dlltool="${cross_prefix}dlltool"

  4358.         if check_cmd lib.exe -list; then

  4359.             SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4360.             if enabled x86_64; then

  4361.                 LIBTARGET=x64

  4362.             fi

  4363.         elif check_cmd $dlltool --version; then

  4364.             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)'

  4365.         fi

  4366.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4367.         SLIB_INSTALL_LINKS=

  4368.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4369.         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4370.         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'

  4371.         objformat="win32"

  4372.         ranlib=:

  4373.         enable dos_paths

  4374.         ;;

  4375.     win32|win64)

  4376.         disable symver

  4377.         if enabled shared; then

  4378.             # Link to the import library instead of the normal static library

  4379.             # for shared libs.

  4380.             LD_LIB='%.lib'

  4381.             # Cannot build both shared and static libs with MSVC or icl.

  4382.             disable static

  4383.         fi

  4384.         enabled x86_32 && check_ldflags -LARGEADDRESSAWARE

  4385.         shlibdir_default="$bindir_default"

  4386.         SLIBPREF=""

  4387.         SLIBSUF=".dll"

  4388.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4389.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4390.         SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'

  4391.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4392.         SLIB_INSTALL_LINKS=

  4393.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4394.         SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4395.         SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4396.         objformat="win32"

  4397.         ranlib=:

  4398.         enable dos_paths

  4399.         ;;

  4400.     cygwin*)

  4401.         target_os=cygwin

  4402.         shlibdir_default="$bindir_default"

  4403.         SLIBPREF="cyg"

  4404.         SLIBSUF=".dll"

  4405.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4406.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4407.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4408.         SLIB_INSTALL_LINKS=

  4409.         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'

  4410.         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'

  4411.         objformat="win32"

  4412.         enable dos_paths

  4413.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4414.         ;;

  4415.     *-dos|freedos|opendos)

  4416.         network_extralibs="-lsocket"

  4417.         objformat="coff"

  4418.         enable dos_paths

  4419.         add_cppflags -U__STRICT_ANSI__

  4420.         ;;

  4421.     linux)

  4422.         enable dv1394

  4423.         enable section_data_rel_ro

  4424.         ;;

  4425.     irix*)

  4426.         target_os=irix

  4427.         ranlib="echo ignoring ranlib"

  4428.         ;;

  4429.     os/2*)

  4430.         strip="lxlite -CS"

  4431.         ln_s="cp -f"

  4432.         objformat="aout"

  4433.         add_cppflags -D_GNU_SOURCE

  4434.         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap

  4435.         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'

  4436.         LIBSUF="_s.a"

  4437.         SLIBPREF=""

  4438.         SLIBSUF=".dll"

  4439.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'

  4440.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'

  4441.         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \

  4442.             echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \

  4443.             echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \

  4444.             echo EXPORTS >> $(SUBDIR)$(NAME).def; \

  4445.             emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'

  4446.         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \

  4447.             emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'

  4448.         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'

  4449.         enable dos_paths

  4450.         enable_weak os2threads

  4451.         ;;

  4452.     gnu/kfreebsd)

  4453.         add_cppflags -D_BSD_SOURCE

  4454.         ;;

  4455.     gnu)

  4456.         ;;

  4457.     qnx)

  4458.         add_cppflags -D_QNX_SOURCE

  4459.         network_extralibs="-lsocket"

  4460.         ;;

  4461.     symbian)

  4462.         SLIBSUF=".dll"

  4463.         enable dos_paths

  4464.         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default

  4465.         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS

  4466.         add_ldflags -Wl,--target1-abs,--no-undefined \

  4467.                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \

  4468.                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup

  4469.         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \

  4470.                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \

  4471.                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib

  4472.         ;;

  4473.     osf1)

  4474.         add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT

  4475.         ;;

  4476.     minix)

  4477.         ;;

  4478.     plan9)

  4479.         add_cppflags -D_C99_SNPRINTF_EXTENSION  \

  4480.                      -D_REENTRANT_SOURCE        \

  4481.                      -D_RESEARCH_SOURCE         \

  4482.                      -DFD_SETSIZE=96            \

  4483.                      -DHAVE_SOCK_OPTS

  4484.         add_compat strtod.o strtod=avpriv_strtod

  4485.         network_extralibs='-lbsd'

  4486.         exeobjs=compat/plan9/main.o

  4487.         disable ffserver

  4488.         cp_f='cp'

  4489.         ;;

  4490.     none)

  4491.         ;;

  4492.     *)

  4493.         die "Unknown OS '$target_os'."

  4494.         ;;

  4495. esac

  4496. 

  4497. # determine libc flavour

  4498. 

  4499. probe_libc(){

  4500.     pfx=$1

  4501.     pfx_no_=${pfx%_}

  4502.     # uclibc defines __GLIBC__, so it needs to be checked before glibc.

  4503.     if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then

  4504.         eval ${pfx}libc_type=uclibc

  4505.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4506.     elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then

  4507.         eval ${pfx}libc_type=glibc

  4508.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4509.     # MinGW headers can be installed on Cygwin, so check for newlib first.

  4510.     elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then

  4511.         eval ${pfx}libc_type=newlib

  4512.         add_${pfx}cppflags -U__STRICT_ANSI__

  4513.     # MinGW64 is backwards compatible with MinGW32, so check for it first.

  4514.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then

  4515.         eval ${pfx}libc_type=mingw64

  4516.         if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then

  4517.             add_compat msvcrt/snprintf.o

  4518.             add_cflags "-include $source_path/compat/msvcrt/snprintf.h"

  4519.         fi

  4520.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4521.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4522.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4523.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION"  ||

  4524.          check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then

  4525.         eval ${pfx}libc_type=mingw32

  4526.         check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \

  4527.             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||

  4528.             die "ERROR: MinGW32 runtime version must be >= 3.15."

  4529.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4530.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4531.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4532.     elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then

  4533.         eval ${pfx}libc_type=msvcrt

  4534.         if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then

  4535.             if [ "$pfx" = host_ ]; then

  4536.                 add_host_cppflags -Dsnprintf=_snprintf

  4537.             else

  4538.                 add_compat strtod.o strtod=avpriv_strtod

  4539.                 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf   \

  4540.                                              _snprintf=avpriv_snprintf  \

  4541.                                              vsnprintf=avpriv_vsnprintf

  4542.             fi

  4543.         fi

  4544.         # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to

  4545.         # 0x601 by default unless something else is set by the user.

  4546.         # This can easily lead to us detecting functions only present

  4547.         # in such new versions and producing binaries requiring windows 7.0.

  4548.         # Therefore explicitly set the default to XP unless the user has

  4549.         # set something else on the command line.

  4550.         # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop

  4551.         # family. For these cases, configure is free to use any functions

  4552.         # found in the SDK headers by default. (Alternatively, we could force

  4553.         # _WIN32_WINNT to 0x0602 in that case.)

  4554.         check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||

  4555.             { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }

  4556. #ifdef WINAPI_FAMILY

  4557. #include <winapifamily.h>

  4558. #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

  4559. #error not desktop

  4560. #endif

  4561. #endif

  4562. EOF

  4563.     elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then

  4564.         eval ${pfx}libc_type=klibc

  4565.     elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then

  4566.         eval ${pfx}libc_type=bionic

  4567.     elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then

  4568.         eval ${pfx}libc_type=solaris

  4569.         add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600

  4570.     fi

  4571.     check_${pfx}cc <<EOF

  4572. #include <time.h>

  4573. void *v = localtime_r;

  4574. EOF

  4575. 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

  4576. #include <time.h>

  4577. void *v = localtime_r;

  4578. EOF

  4579. 

  4580. }

  4581. 

  4582. probe_libc

  4583. test -n "$libc_type" && enable libc_$libc_type

  4584. probe_libc host_

  4585. test -n "$host_libc_type" && enable host_libc_$host_libc_type

  4586. 

  4587. case $libc_type in

  4588.     bionic)

  4589.         add_compat strtod.o strtod=avpriv_strtod

  4590.         ;;

  4591. esac

  4592. 

  4593. # hacks for compiler/libc/os combinations

  4594. 

  4595. if enabled_all tms470 libc_glibc; then

  4596.     CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"

  4597.     add_cppflags -D__USER_LABEL_PREFIX__=

  4598.     add_cppflags -D__builtin_memset=memset

  4599.     add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED

  4600.     add_cflags   -pds=48    # incompatible redefinition of macro

  4601. fi

  4602. 

  4603. if enabled_all ccc libc_glibc; then

  4604.     add_ldflags -Wl,-z,now  # calls to libots crash without this

  4605. fi

  4606. 

  4607. check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||

  4608.     add_cppflags '-I\$(SRC_PATH)/compat/float'

  4609. 

  4610. esc(){

  4611.     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'

  4612. }

  4613. 

  4614. echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate

  4615. 

  4616. check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic

  4617. 

  4618. set_default libdir

  4619. : ${shlibdir_default:="$libdir"}

  4620. : ${pkgconfigdir_default:="$libdir/pkgconfig"}

  4621. 

  4622. set_default $PATHS_LIST

  4623. set_default nm

  4624. 

  4625. # we need to build at least one lib type

  4626. if ! enabled_any static shared; then

  4627.     cat <<EOF

  4628. At least one library type must be built.

  4629. Specify --enable-static to build the static libraries or --enable-shared to

  4630. build the shared libraries as well. To only build the shared libraries specify

  4631. --disable-static in addition to --enable-shared.

  4632. EOF

  4633.     exit 1;

  4634. fi

  4635. 

  4636. die_license_disabled() {

  4637.     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }

  4638. }

  4639. 

  4640. die_license_disabled_gpl() {

  4641.     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }

  4642. }

  4643. 

  4644. die_license_disabled gpl frei0r

  4645. die_license_disabled gpl libcdio

  4646. die_license_disabled gpl libsmbclient

  4647. die_license_disabled gpl libutvideo

  4648. die_license_disabled gpl libvidstab

  4649. die_license_disabled gpl libx264

  4650. die_license_disabled gpl libx265

  4651. die_license_disabled gpl libxavs

  4652. die_license_disabled gpl libxvid

  4653. die_license_disabled gpl libzvbi

  4654. die_license_disabled gpl x11grab

  4655. 

  4656. die_license_disabled nonfree libaacplus

  4657. die_license_disabled nonfree libfaac

  4658. die_license_disabled nonfree nvenc

  4659. enabled gpl && die_license_disabled_gpl nonfree libfdk_aac

  4660. enabled gpl && die_license_disabled_gpl nonfree openssl

  4661. 

  4662. die_license_disabled version3 libopencore_amrnb

  4663. die_license_disabled version3 libopencore_amrwb

  4664. die_license_disabled version3 libsmbclient

  4665. die_license_disabled version3 libvo_aacenc

  4666. die_license_disabled version3 libvo_amrwbenc

  4667. 

  4668. enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }

  4669. 

  4670. disabled optimizations || check_cflags -fomit-frame-pointer

  4671. 

  4672. enable_weak_pic() {

  4673.     disabled pic && return

  4674.     enable pic

  4675.     add_cppflags -DPIC

  4676.     case "$target_os" in

  4677.     mingw*|cygwin*)

  4678.         ;;

  4679.     *)

  4680.         add_cflags -fPIC

  4681.         ;;

  4682.     esac

  4683.     add_asflags  -fPIC

  4684. }

  4685. 

  4686. enabled pic && enable_weak_pic

  4687. 

  4688. check_cc <<EOF || die "Symbol mangling check failed."

  4689. int ff_extern;

  4690. EOF

  4691. sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')

  4692. extern_prefix=${sym%%ff_extern*}

  4693. 

  4694. check_cc <<EOF && enable_weak inline_asm

  4695. void foo(void) { __asm__ volatile ("" ::); }

  4696. EOF

  4697. 

  4698. _restrict=

  4699. for restrict_keyword in restrict __restrict__ __restrict; do

  4700.     check_cc <<EOF && _restrict=$restrict_keyword && break

  4701. void foo(char * $restrict_keyword p);

  4702. EOF

  4703. done

  4704. 

  4705. check_cc <<EOF && enable pragma_deprecated

  4706. void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }

  4707. EOF

  4708. 

  4709. check_cc <<EOF && enable attribute_packed

  4710. struct { int x; } __attribute__((packed)) x;

  4711. EOF

  4712. 

  4713. check_cc <<EOF && enable attribute_may_alias

  4714. union { int x; } __attribute__((may_alias)) x;

  4715. EOF

  4716. 

  4717. check_cc <<EOF || die "endian test failed"

  4718. unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';

  4719. EOF

  4720. od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian

  4721. 

  4722. if ! enabled ppc64 || enabled bigendian; then

  4723.     disable vsx

  4724. fi

  4725. 

  4726. check_gas() {

  4727.     log "check_gas using '$as' as AS"

  4728.     # :vararg is used on aarch64, arm and ppc altivec

  4729.     check_as <<EOF || return 1

  4730. .macro m n, y:vararg=0

  4731. \n: .int \y

  4732. .endm

  4733. m x

  4734. EOF

  4735.     # .altmacro is only used in arm asm

  4736.     ! enabled arm || check_as <<EOF || return 1

  4737. .altmacro

  4738. EOF

  4739.     enable gnu_as

  4740.     return 0

  4741. }

  4742. 

  4743. if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then

  4744.     nogas=:

  4745.     enabled_any arm aarch64 && nogas=die

  4746.     enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn

  4747.     as_noop=-v

  4748. 

  4749.     case $as_type in

  4750.         arm*) gaspp_as_type=armasm; as_noop=-h ;;

  4751.         gcc)  gaspp_as_type=gas ;;

  4752.         *)    gaspp_as_type=$as_type ;;

  4753.     esac

  4754. 

  4755.     [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"

  4756. 

  4757.     test "${as#*gas-preprocessor.pl}" != "$as" ||

  4758.     check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&

  4759.         gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"

  4760. 

  4761.     if ! check_gas ; then

  4762.         as=${gas:=$as}

  4763.         check_gas || \

  4764.             $nogas "GNU assembler not found, install/update gas-preprocessor"

  4765.     fi

  4766. 

  4767.     check_as <<EOF && enable as_func

  4768. .func test

  4769. .endfunc

  4770. EOF

  4771. fi

  4772. 

  4773. check_inline_asm inline_asm_labels '"1:\n"'

  4774. 

  4775. check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'

  4776. 

  4777. if enabled aarch64; then

  4778.     enabled armv8 && check_insn armv8 'prfm   pldl1strm, [x0]'

  4779.     # internal assembler in clang 3.3 does not support this instruction

  4780.     enabled neon && check_insn neon 'ext   v0.8B, v0.8B, v1.8B, #1'

  4781.     enabled vfp  && check_insn vfp  'fmadd d0,    d0,    d1,    d2'

  4782. 

  4783.     map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM

  4784. 

  4785. elif enabled alpha; then

  4786. 

  4787.     check_cflags -mieee

  4788. 

  4789. elif enabled arm; then

  4790. 

  4791.     enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb

  4792. 

  4793.     check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb

  4794. float func(float a, float b){ return a+b; }

  4795. EOF

  4796. 

  4797.     enabled thumb && check_cflags -mthumb || check_cflags -marm

  4798. 

  4799.     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then

  4800.         enable vfp_args

  4801.     elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then

  4802.         enable vfp_args

  4803.     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then

  4804.         case "${cross_prefix:-$cc}" in

  4805.             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;

  4806.             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;

  4807. __asm__ (".eabi_attribute 28, 1");

  4808. int main(void) { return 0; }

  4809. EOF

  4810.         esac

  4811.         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."

  4812.     fi

  4813. 

  4814.     enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'

  4815.     enabled armv6   && check_insn armv6   'sadd16 r0, r0, r0'

  4816.     enabled armv6t2 && check_insn armv6t2 'movt r0, #0'

  4817.     enabled neon    && check_insn neon    'vadd.i16 q0, q0, q0'

  4818.     enabled vfp     && check_insn vfp     'fadds s0, s0, s0'

  4819.     enabled vfpv3   && check_insn vfpv3   'vmov.f32 s0, #1.0'

  4820.     enabled setend  && check_insn setend  'setend be'

  4821. 

  4822.     [ $target_os = linux ] || [ $target_os = android ] ||

  4823.         map 'enabled_any ${v}_external ${v}_inline || disable $v' \

  4824.             $ARCH_EXT_LIST_ARM

  4825. 

  4826.     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'

  4827. 

  4828.     check_as <<EOF && enable as_dn_directive

  4829. ra .dn d0.i16

  4830. .unreq ra

  4831. EOF

  4832. 

  4833.     # llvm's integrated assembler supports .object_arch from llvm 3.5

  4834.     [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch

  4835. .object_arch armv4

  4836. EOF

  4837. 

  4838.     [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic

  4839. 

  4840. elif enabled mips; then

  4841. 

  4842.     enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'

  4843.     enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'

  4844.     enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'

  4845. 

  4846.     # Enable minimum ISA based on selected options

  4847.     if enabled mips64 && (enabled mipsdspr1 || enabled mipsdspr2); then

  4848.         add_cflags "-mips64r2"

  4849.         add_asflags "-mips64r2"

  4850.     elif enabled mips64 && enabled mipsfpu && disabled loongson2 && disabled loongson3; then

  4851.         add_cflags "-mips64"

  4852.         add_asflags "-mips64"

  4853.     elif enabled mipsdspr1 || enabled mipsdspr2; then

  4854.         add_cflags "-mips32r2 -mfp32"

  4855.         add_asflags "-mips32r2 -mfp32"

  4856.     elif enabled mips32r5 || enabled mips64r6; then

  4857.         check_cflags "-mfp64"

  4858.         check_ldflags "-mfp64"

  4859.     fi

  4860. 

  4861.     enabled mips32r5  && check_cflags "-mips32r5 -msched-weight -mload-store-pairs -funroll-loops" &&

  4862.      check_ldflags "-mips32r5" &&

  4863.      check_inline_asm mips32r5  '"ulw $t0, ($t1)"'

  4864.     enabled mips64r6  && check_cflags "-mips64r6 -msched-weight -mload-store-pairs -funroll-loops" &&

  4865.      check_ldflags "-mips64r6" &&

  4866.      check_inline_asm mips64r6  '"aui $t0, $t1, 1"'

  4867.     enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&

  4868.      check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'

  4869.     enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&

  4870.      check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'

  4871.     enabled mipsfpu   && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&

  4872.      check_inline_asm mipsfpu   '"madd.d $f0, $f2, $f4, $f6"'

  4873.     enabled msa       && check_cflags "-mmsa" && check_ldflags "-mmsa" &&

  4874.      check_inline_asm msa       '"addvi.b $w0, $w1, 1"'

  4875. 

  4876.     enabled mips32r5 && add_asflags "-mips32r5 -mfp64"

  4877.     enabled mips64r6 && add_asflags "-mips64r6 -mfp64"

  4878.     enabled msa && add_asflags "-mmsa"

  4879. 

  4880. elif enabled parisc; then

  4881. 

  4882.     if enabled gcc; then

  4883.         case $($cc -dumpversion) in

  4884.             4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;

  4885.         esac

  4886.     fi

  4887. 

  4888. elif enabled ppc; then

  4889. 

  4890.     enable local_aligned_8 local_aligned_16 local_aligned_32

  4891. 

  4892.     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'

  4893.     check_inline_asm ibm_asm   '"add 0, 0, 0"'

  4894.     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'

  4895.     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'

  4896. 

  4897.     # AltiVec flags: The FSF version of GCC differs from the Apple version

  4898.     if enabled altivec; then

  4899.         check_cflags -maltivec -mabi=altivec &&

  4900.         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||

  4901.         check_cflags -faltivec

  4902. 

  4903.         # check if our compiler supports Motorola AltiVec C API

  4904.         check_cc <<EOF || disable altivec

  4905. $inc_altivec_h

  4906. int main(void) {

  4907.     vector signed int v1 = (vector signed int) { 0 };

  4908.     vector signed int v2 = (vector signed int) { 1 };

  4909.     v1 = vec_add(v1, v2);

  4910.     return 0;

  4911. }

  4912. EOF

  4913. 

  4914.         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"

  4915.     fi

  4916. 

  4917.     if enabled vsx; then

  4918.         check_cflags -mvsx &&

  4919.         check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx

  4920.     fi

  4921. 

  4922.     if enabled power8; then

  4923.         check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8

  4924.     fi

  4925. 

  4926. elif enabled x86; then

  4927. 

  4928.     check_builtin rdtsc    intrin.h   "__rdtsc()"

  4929.     check_builtin mm_empty mmintrin.h "_mm_empty()"

  4930. 

  4931.     enable local_aligned_8 local_aligned_16 local_aligned_32

  4932. 

  4933.     # check whether EBP is available on x86

  4934.     # As 'i' is stored on the stack, this program will crash

  4935.     # if the base pointer is used to access it because the

  4936.     # base pointer is cleared in the inline assembly code.

  4937.     check_exec_crash <<EOF && enable ebp_available

  4938. volatile int i=0;

  4939. __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");

  4940. return i;

  4941. EOF

  4942. 

  4943.     # check whether EBX is available on x86

  4944.     check_inline_asm ebx_available '""::"b"(0)' &&

  4945.         check_inline_asm ebx_available '"":::"%ebx"'

  4946. 

  4947.     # check whether xmm clobbers are supported

  4948.     check_inline_asm xmm_clobbers '"":::"%xmm0"'

  4949. 

  4950.     check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||

  4951.         check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'

  4952. 

  4953.     # check whether binutils is new enough to compile SSSE3/MMXEXT

  4954.     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'

  4955.     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'

  4956. 

  4957.     if ! disabled_any asm mmx yasm; then

  4958.         if check_cmd $yasmexe --version; then

  4959.             enabled x86_64 && yasm_extra="-m amd64"

  4960.             yasm_debug="-g dwarf2"

  4961.         elif check_cmd nasm -v; then

  4962.             yasmexe=nasm

  4963.             yasm_debug="-g -F dwarf"

  4964.             if enabled x86_64; then

  4965.                 case "$objformat" in

  4966.                     elf)   objformat=elf64 ;;

  4967.                     win32) objformat=win64 ;;

  4968.                 esac

  4969.             fi

  4970.         fi

  4971. 

  4972.         YASMFLAGS="-f $objformat $yasm_extra"

  4973.         enabled pic               && append YASMFLAGS "-DPIC"

  4974.         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"

  4975.         case "$objformat" in

  4976.             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;

  4977.         esac

  4978. 

  4979.         check_yasm "movbe ecx, [5]" && enable yasm ||

  4980.             die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."

  4981.         check_yasm "vextracti128 xmm0, ymm0, 0"      || disable avx2_external

  4982.         check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external

  4983.         check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external

  4984.         check_yasm "CPU amdnop" || disable cpunop

  4985.     fi

  4986. 

  4987.     case "$cpu" in

  4988.         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)

  4989.             disable fast_clz

  4990.         ;;

  4991.     esac

  4992. 

  4993. fi

  4994. 

  4995. check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon

  4996. 

  4997. check_ldflags -Wl,--as-needed

  4998. check_ldflags -Wl,-z,noexecstack

  4999. 

  5000. if check_func dlopen; then

  5001.     ldl=

  5002. elif check_func dlopen -ldl; then

  5003.     ldl=-ldl

  5004. fi

  5005. 

  5006. frei0r_filter_extralibs='$ldl'

  5007. frei0r_src_filter_extralibs='$ldl'

  5008. ladspa_filter_extralibs='$ldl'

  5009. nvenc_encoder_extralibs='$ldl'

  5010. 

  5011. if ! disabled network; then

  5012.     check_func getaddrinfo $network_extralibs

  5013.     check_func getservbyport $network_extralibs

  5014.     check_func inet_aton $network_extralibs

  5015. 

  5016.     check_type netdb.h "struct addrinfo"

  5017.     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE

  5018.     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE

  5019.     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE

  5020.     check_type poll.h "struct pollfd"

  5021.     check_type netinet/sctp.h "struct sctp_event_subscribe"

  5022.     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len

  5023.     check_type netinet/in.h "struct sockaddr_in6"

  5024.     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"

  5025.     check_type "sys/types.h sys/socket.h" socklen_t

  5026. 

  5027.     # Prefer arpa/inet.h over winsock2

  5028.     if check_header arpa/inet.h ; then

  5029.         check_func closesocket

  5030.     elif check_header winsock2.h ; then

  5031.         check_func_headers winsock2.h closesocket -lws2 &&

  5032.             network_extralibs="-lws2" ||

  5033.         { check_func_headers winsock2.h closesocket -lws2_32 &&

  5034.             network_extralibs="-lws2_32"; } || disable winsock2_h network

  5035.         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs

  5036. 

  5037.         check_type ws2tcpip.h socklen_t

  5038.         check_type ws2tcpip.h "struct addrinfo"

  5039.         check_type ws2tcpip.h "struct group_source_req"

  5040.         check_type ws2tcpip.h "struct ip_mreq_source"

  5041.         check_type ws2tcpip.h "struct ipv6_mreq"

  5042.         check_type winsock2.h "struct pollfd"

  5043.         check_struct winsock2.h "struct sockaddr" sa_len

  5044.         check_type ws2tcpip.h "struct sockaddr_in6"

  5045.         check_type ws2tcpip.h "struct sockaddr_storage"

  5046.     else

  5047.         disable network

  5048.     fi

  5049. fi

  5050. 

  5051. check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"

  5052. check_builtin atomic_compare_exchange "" "int *ptr, *oldval; int newval; __atomic_compare_exchange_n(ptr, oldval, newval, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)"

  5053. check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"

  5054. check_builtin MemoryBarrier windows.h "MemoryBarrier()"

  5055. check_builtin sarestart signal.h "SA_RESTART"

  5056. check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"

  5057. check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"

  5058. check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"

  5059. 

  5060. check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc

  5061. check_func  ${malloc_prefix}memalign            && enable memalign

  5062. check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign

  5063. 

  5064. check_func  access

  5065. check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  5066. check_func  fcntl

  5067. check_func  fork

  5068. check_func  gethrtime

  5069. check_func  getopt

  5070. check_func  getrusage

  5071. check_func  gettimeofday

  5072. check_func  isatty

  5073. check_func  mach_absolute_time

  5074. check_func  mkstemp

  5075. check_func  mmap

  5076. check_func  mprotect

  5077. # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that

  5078. check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  5079. check_func  sched_getaffinity

  5080. check_func  setrlimit

  5081. check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE

  5082. check_func  strerror_r

  5083. check_func  sysconf

  5084. check_func  sysctl

  5085. check_func  usleep

  5086. 

  5087. check_func_headers conio.h kbhit

  5088. check_func_headers io.h setmode

  5089. check_func_headers lzo/lzo1x.h lzo1x_999_compress

  5090. check_func_headers stdlib.h getenv

  5091. check_func_headers sys/stat.h lstat

  5092. 

  5093. check_func_headers windows.h CoTaskMemFree -lole32

  5094. check_func_headers windows.h GetProcessAffinityMask

  5095. check_func_headers windows.h GetProcessTimes

  5096. check_func_headers windows.h GetSystemTimeAsFileTime

  5097. check_func_headers windows.h MapViewOfFile

  5098. check_func_headers windows.h PeekNamedPipe

  5099. check_func_headers windows.h SetConsoleTextAttribute

  5100. check_func_headers windows.h SetConsoleCtrlHandler

  5101. check_func_headers windows.h Sleep

  5102. check_func_headers windows.h VirtualAlloc

  5103. check_struct windows.h "CONDITION_VARIABLE" Ptr

  5104. check_func_headers glob.h glob

  5105. enabled xlib &&

  5106.     check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext

  5107. 

  5108. check_header CoreServices/CoreServices.h

  5109. check_header direct.h

  5110. check_header dirent.h

  5111. check_header dlfcn.h

  5112. check_header d3d11.h

  5113. check_header dxva.h

  5114. check_header dxva2api.h -D_WIN32_WINNT=0x0600

  5115. check_header io.h

  5116. check_header libcrystalhd/libcrystalhd_if.h

  5117. check_header mach/mach_time.h

  5118. check_header malloc.h

  5119. check_header net/udplite.h

  5120. check_header poll.h

  5121. check_header sys/mman.h

  5122. check_header sys/param.h

  5123. check_header sys/resource.h

  5124. check_header sys/select.h

  5125. check_header sys/time.h

  5126. check_header sys/un.h

  5127. check_header termios.h

  5128. check_header unistd.h

  5129. check_header valgrind/valgrind.h

  5130. check_header vdpau/vdpau.h

  5131. check_header vdpau/vdpau_x11.h

  5132. check_header VideoDecodeAcceleration/VDADecoder.h

  5133. check_header VideoToolbox/VideoToolbox.h

  5134. check_header windows.h

  5135. check_header X11/extensions/XvMClib.h

  5136. check_header asm/types.h

  5137. 

  5138. check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32

  5139. check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32

  5140. check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi

  5141. 

  5142. check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss

  5143. 

  5144. check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0

  5145. check_type "windows.h d3d11.h" "ID3D11VideoDecoder"

  5146. check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602

  5147. 

  5148. check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"

  5149. 

  5150. if ! disabled w32threads && ! enabled pthreads; then

  5151.     check_func_headers "windows.h process.h" _beginthreadex &&

  5152.         enable w32threads || disable w32threads

  5153. fi

  5154. 

  5155. # check for some common methods of building with pthread support

  5156. # do this before the optional library checks as some of them require pthreads

  5157. if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then

  5158.     enable pthreads

  5159.     if check_func pthread_join -pthread && check_func pthread_create -pthread; then

  5160.         add_cflags -pthread

  5161.         add_extralibs -pthread

  5162.     elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then

  5163.         add_cflags -pthreads

  5164.         add_extralibs -pthreads

  5165.     elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then

  5166.         add_cflags -ldl -pthread

  5167.         add_extralibs -ldl -pthread

  5168.     elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then

  5169.         add_extralibs -lpthreadGC2

  5170.     elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then

  5171.         :

  5172.     elif ! check_func pthread_join && ! check_func pthread_create; then

  5173.         disable pthreads

  5174.     fi

  5175.     check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads

  5176. fi

  5177. 

  5178. 

  5179. if enabled pthreads; then

  5180.   check_func pthread_cancel

  5181. fi

  5182. 

  5183. disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib

  5184. disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib

  5185. disabled  lzma || check_lib2  lzma.h lzma_version_number -llzma || disable lzma

  5186. 

  5187. check_lib math.h sin -lm && LIBM="-lm"

  5188. disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd

  5189. 

  5190. atan2f_args=2

  5191. copysign_args=2

  5192. ldexpf_args=2

  5193. powf_args=2

  5194. 

  5195. for func in $MATH_FUNCS; do

  5196.     eval check_mathfunc $func \${${func}_args:-1}

  5197. done

  5198. 

  5199. # these are off by default, so fail if requested and not available

  5200. enabled avfoundation_indev && { check_header_oc AVFoundation/AVFoundation.h || disable avfoundation_indev; }

  5201. enabled avfoundation_indev && { check_lib2 CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||

  5202.                                 check_lib2 ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }

  5203. enabled avisynth          && { { check_lib2 "windows.h" LoadLibrary; } ||

  5204.                                { check_lib2 "dlfcn.h" dlopen -ldl; } ||

  5205.                                die "ERROR: LoadLibrary/dlopen not found for avisynth"; }

  5206. enabled decklink          && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }

  5207. enabled frei0r            && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }

  5208. enabled gnutls            && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init

  5209. enabled ladspa            && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }

  5210. enabled libiec61883       && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883

  5211. enabled libaacplus        && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus

  5212. enabled libass            && require_pkg_config libass ass/ass.h ass_library_init

  5213. enabled libbluray         && require_pkg_config libbluray libbluray/bluray.h bd_open

  5214. enabled libbs2b           && require_pkg_config libbs2b bs2b.h bs2b_open

  5215. enabled libcelt           && require libcelt celt/celt.h celt_decode -lcelt0 &&

  5216.                              { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||

  5217.                                die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }

  5218. enabled libcaca           && require_pkg_config caca caca.h caca_create_canvas

  5219. enabled libdcadec         && require_pkg_config dcadec libdcadec/dca_context.h dcadec_context_create &&

  5220.                              check_struct libdcadec/dca_context.h "struct dcadec_exss_info" matrix_encoding

  5221. enabled libfaac           && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac

  5222. enabled libfdk_aac        && { use_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||

  5223.                                { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&

  5224.                                  warn "using libfdk without pkg-config"; } }

  5225. 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"

  5226. enabled libflite          && require2 libflite "flite/flite.h" flite_init $flite_libs

  5227. enabled fontconfig        && enable libfontconfig

  5228. enabled libfontconfig     && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit

  5229. enabled libfreetype       && require_libfreetype

  5230. enabled libfribidi        && require_pkg_config fribidi fribidi.h fribidi_version_info

  5231. enabled libgme            && require  libgme gme/gme.h gme_new_emu -lgme -lstdc++

  5232. enabled libgsm            && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do

  5233.                                    check_lib "${gsm_hdr}" gsm_create -lgsm && break;

  5234.                                done || die "ERROR: libgsm not found"; }

  5235. enabled libilbc           && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc

  5236. enabled libkvazaar        && require_pkg_config kvazaar kvazaar.h kvz_api_get

  5237. enabled libmfx            && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit

  5238. enabled libmodplug        && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load

  5239. enabled libmp3lame        && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame

  5240. enabled libnut            && require libnut libnut.h nut_demuxer_init -lnut

  5241. enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb

  5242. enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb

  5243. enabled libopencv         && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader

  5244. enabled libopenh264       && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion

  5245. enabled libopenjpeg       && { check_lib openjpeg.h opj_version -lopenmj2 -DOPJ_STATIC ||

  5246.                                check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  5247.                                check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  5248.                                die "ERROR: libopenjpeg not found"; }

  5249. enabled libopus           && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create

  5250. enabled libpulse          && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new

  5251. enabled libquvi           && require_pkg_config libquvi quvi/quvi.h quvi_init

  5252. enabled librtmp           && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket

  5253. enabled libschroedinger   && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init

  5254. enabled libshine          && require_pkg_config shine shine/layer3.h shine_encode_buffer

  5255. enabled libsmbclient      && { use_pkg_config smbclient libsmbclient.h smbc_init ||

  5256.                                require smbclient libsmbclient.h smbc_init -lsmbclient; }

  5257. enabled libsnappy         && require snappy snappy-c.h snappy_compress -lsnappy

  5258. enabled libsoxr           && require libsoxr soxr.h soxr_create -lsoxr

  5259. enabled libssh            && require_pkg_config libssh libssh/sftp.h sftp_init

  5260. enabled libspeex          && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex

  5261. enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h

  5262.     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h

  5263.     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static

  5264. enabled libtheora         && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg

  5265. enabled libtwolame        && require libtwolame twolame.h twolame_init -ltwolame &&

  5266.                              { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||

  5267.                                die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }

  5268. enabled libutvideo        && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++

  5269. enabled libv4l2           && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl

  5270. enabled libvidstab        && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit

  5271. enabled libvo_aacenc      && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc

  5272. enabled libvo_amrwbenc    && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc

  5273. enabled libvorbis         && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg

  5274. 

  5275. enabled libvpx            && {

  5276.     enabled libvpx_vp8_decoder && {

  5277.         use_pkg_config "vpx >= 0.9.1" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||

  5278.             check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||

  5279.                 die "ERROR: libvpx decoder version must be >=0.9.1";

  5280.     }

  5281.     enabled libvpx_vp8_encoder && {

  5282.         use_pkg_config "vpx >= 0.9.7" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||

  5283.             check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||

  5284.                 die "ERROR: libvpx encoder version must be >=0.9.7";

  5285.     }

  5286.     enabled libvpx_vp9_decoder && {

  5287.         use_pkg_config "vpx >= 1.3.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||

  5288.             check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx ||

  5289.                 disable libvpx_vp9_decoder;

  5290.     }

  5291.     enabled libvpx_vp9_encoder && {

  5292.         use_pkg_config "vpx >= 1.3.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||

  5293.             check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx ||

  5294.                 disable libvpx_vp9_encoder;

  5295.     }

  5296.     if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then

  5297.         die "libvpx enabled but no supported decoders found"

  5298.     fi

  5299. }

  5300. 

  5301. enabled libwavpack        && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput  -lwavpack

  5302. enabled libwebp           && {

  5303.     enabled libwebp_encoder      && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion

  5304.     enabled libwebp_anim_encoder && { use_pkg_config "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit || disable libwebp_anim_encoder; } }

  5305. enabled libx264           && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||

  5306.                                { require libx264 x264.h x264_encoder_encode -lx264 &&

  5307.                                  warn "using libx264 without pkg-config"; } } &&

  5308.                              { check_cpp_condition x264.h "X264_BUILD >= 118" ||

  5309.                                die "ERROR: libx264 must be installed and version must be >= 0.118."; } &&

  5310.                              { check_cpp_condition x264.h "X264_MPEG2" &&

  5311.                                enable libx262; }

  5312. enabled libx265           && require_pkg_config x265 x265.h x265_api_get &&

  5313.                              { check_cpp_condition x265.h "X265_BUILD >= 57" ||

  5314.                                die "ERROR: libx265 version must be >= 57."; }

  5315. enabled libxavs           && require libxavs xavs.h xavs_encoder_encode -lxavs

  5316. enabled libxvid           && require libxvid xvid.h xvid_global -lxvidcore

  5317. enabled libzmq            && require_pkg_config libzmq zmq.h zmq_ctx_new

  5318. enabled libzvbi           && require libzvbi libzvbi.h vbi_decoder_new -lzvbi

  5319. enabled mmal              && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||

  5320.                                 { ! enabled cross_compile && {

  5321.                                     add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;

  5322.                                     add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;

  5323.                                     check_lib interface/mmal/mmal.h mmal_port_connect ; }

  5324.                                 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||

  5325.                                die "ERROR: mmal not found"; }

  5326. enabled nvenc             && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; } &&

  5327.                              { check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 5" ||

  5328.                                die "ERROR: NVENC API version 4 or older is not supported"; } &&

  5329.                              { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }

  5330. enabled openal            && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do

  5331.                                check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||

  5332.                                die "ERROR: openal not found"; } &&

  5333.                              { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||

  5334.                                die "ERROR: openal must be installed and version must be 1.1 or compatible"; }

  5335. enabled opencl            && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||

  5336.                                check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||

  5337.                                die "ERROR: opencl not found"; } &&

  5338.                              { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||

  5339.                                check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||

  5340.                                die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }

  5341. enabled opengl            && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||

  5342.                                check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||

  5343.                                check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||

  5344.                                check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||

  5345.                                die "ERROR: opengl not found."

  5346.                              }

  5347. enabled openssl           && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||

  5348.                                check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||

  5349.                                check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||

  5350.                                die "ERROR: openssl not found"; }

  5351. enabled qtkit_indev      && { check_header_oc QTKit/QTKit.h || disable qtkit_indev; }

  5352. 

  5353. if enabled gnutls; then

  5354.     { check_lib2 gmp.h mpz_export -lgmp && enable gmp; } ||

  5355.     { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }

  5356. fi

  5357. 

  5358. # libdc1394 check

  5359. if enabled libdc1394; then

  5360.     { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&

  5361.         enable libdc1394_2; } ||

  5362.     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&

  5363.         enable libdc1394_1; } ||

  5364.     die "ERROR: No version of libdc1394 found "

  5365. fi

  5366. if ! disabled sdl; then

  5367.     SDL_CONFIG="${cross_prefix}sdl-config"

  5368.     if check_pkg_config sdl SDL_events.h SDL_PollEvent; then

  5369.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5370.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5371.         enable sdl

  5372.     else

  5373.         if "${SDL_CONFIG}" --version > /dev/null 2>&1; then

  5374.             sdl_cflags=$("${SDL_CONFIG}" --cflags)

  5375.             sdl_libs=$("${SDL_CONFIG}" --libs)

  5376.             check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&

  5377.             check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5378.             check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5379.             enable sdl

  5380.         elif enabled sdl ; then

  5381.             die "ERROR: SDL not found"

  5382.         else

  5383.             disable sdl

  5384.         fi

  5385.     fi

  5386.     if test $target_os = "mingw32"; then

  5387.         sdl_libs="$sdl_libs -mconsole"

  5388.     fi

  5389. fi

  5390. enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs

  5391. 

  5392. disabled securetransport || { check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&

  5393.     check_lib2 "Security/SecureTransport.h Security/Security.h" "SSLCreateContext SecItemImport" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&

  5394.     enable securetransport; }

  5395. 

  5396. makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo

  5397. enabled makeinfo \

  5398.     && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \

  5399.     && enable makeinfo_html || disable makeinfo_html

  5400. disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html

  5401. perl -v            > /dev/null 2>&1 && enable perl      || disable perl

  5402. pod2man --help     > /dev/null 2>&1 && enable pod2man   || disable pod2man

  5403. rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout

  5404. 

  5405. check_header linux/fb.h

  5406. check_header linux/videodev.h

  5407. check_header linux/videodev2.h

  5408. check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5409. 

  5410. check_header sys/videoio.h

  5411. check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5412. 

  5413. check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"

  5414. # check that WM_CAP_DRIVER_CONNECT is defined to the proper value

  5415. # w32api 3.12 had it defined wrong

  5416. check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines

  5417. 

  5418. check_type "dshow.h" IBaseFilter

  5419. 

  5420. # check for ioctl_meteor.h, ioctl_bt848.h and alternatives

  5421. { check_header dev/bktr/ioctl_meteor.h &&

  5422.   check_header dev/bktr/ioctl_bt848.h; } ||

  5423. { check_header machine/ioctl_meteor.h &&

  5424.   check_header machine/ioctl_bt848.h; } ||

  5425. { check_header dev/video/meteor/ioctl_meteor.h &&

  5426.   check_header dev/video/bktr/ioctl_bt848.h; } ||

  5427. check_header dev/ic/bt8xx.h

  5428. 

  5429. check_header sndio.h

  5430. if check_struct sys/soundcard.h audio_buf_info bytes; then

  5431.     enable_safe sys/soundcard.h

  5432. else

  5433.     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h

  5434.     #include <sys/soundcard.h>

  5435.     audio_buf_info abc;

  5436. EOF

  5437. fi

  5438. check_header soundcard.h

  5439. 

  5440. enabled_any alsa_indev alsa_outdev &&

  5441.     check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound

  5442. 

  5443. enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&

  5444.     check_func jack_port_get_latency_range -ljack

  5445. 

  5446. enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio

  5447. 

  5448. if enabled libcdio; then

  5449.     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5450.     check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5451.     die "ERROR: No usable libcdio/cdparanoia found"

  5452. fi

  5453. 

  5454. enabled xlib &&

  5455.     check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib

  5456. 

  5457. if ! disabled libxcb; then

  5458.     check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {

  5459.         enabled libxcb && die "ERROR: libxcb >= 1.4 not found";

  5460.     } && disable x11grab && enable libxcb

  5461. 

  5462. if enabled libxcb; then

  5463.     disabled libxcb_shm || {

  5464.         check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {

  5465.             enabled libxcb_shm && die "ERROR: libxcb_shm not found";

  5466.         } && check_header sys/shm.h && enable libxcb_shm; }

  5467. 

  5468.     disabled libxcb_xfixes || {

  5469.         check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {

  5470.             enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";

  5471.         } && enable libxcb_xfixes; }

  5472. 

  5473.     disabled libxcb_shape || {

  5474.         check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {

  5475.             enabled libxcb_shape && die "ERROR: libxcb_shape not found";

  5476.         } && enable libxcb_shape; }

  5477. 

  5478.     add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags

  5479.     add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs

  5480. fi

  5481. fi

  5482. 

  5483. if enabled x11grab; then

  5484.     enabled xlib || die "ERROR: Xlib not found"

  5485.     require Xext X11/extensions/XShm.h XShmCreateImage -lXext

  5486.     require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes

  5487. fi

  5488. 

  5489. check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"

  5490. 

  5491. enabled dxva2api_h &&

  5492.     check_cc <<EOF && enable dxva2api_cobj

  5493. #define _WIN32_WINNT 0x0600

  5494. #define COBJMACROS

  5495. #include <windows.h>

  5496. #include <d3d9.h>

  5497. #include <dxva2api.h>

  5498. int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }

  5499. EOF

  5500. 

  5501. enabled vaapi &&

  5502.     check_lib va/va.h vaInitialize -lva ||

  5503.     disable vaapi

  5504. 

  5505. enabled vaapi && enabled xlib &&

  5506.     check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&

  5507.     enable vaapi_x11

  5508. 

  5509. enabled vdpau &&

  5510.     check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||

  5511.     disable vdpau

  5512. 

  5513. enabled vdpau && enabled xlib &&

  5514.     check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&

  5515.     prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&

  5516.     enable vdpau_x11

  5517. 

  5518. # Funny iconv installations are not unusual, so check it after all flags have been set

  5519. disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv

  5520. 

  5521. enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"

  5522. 

  5523. # add some useful compiler flags if supported

  5524. check_cflags -Wdeclaration-after-statement

  5525. check_cflags -Wall

  5526. check_cflags -Wdisabled-optimization

  5527. check_cflags -Wpointer-arith

  5528. check_cflags -Wredundant-decls

  5529. check_cflags -Wwrite-strings

  5530. check_cflags -Wtype-limits

  5531. check_cflags -Wundef

  5532. check_cflags -Wmissing-prototypes

  5533. check_cflags -Wno-pointer-to-int-cast

  5534. check_cflags -Wstrict-prototypes

  5535. check_cflags -Wempty-body

  5536. enabled extra_warnings && check_cflags -Winline

  5537. 

  5538. check_disable_warning(){

  5539.     warning_flag=-W${1#-Wno-}

  5540.     test_cflags $warning_flag && add_cflags $1

  5541. }

  5542. 

  5543. check_disable_warning -Wno-parentheses

  5544. check_disable_warning -Wno-switch

  5545. check_disable_warning -Wno-format-zero-length

  5546. check_disable_warning -Wno-pointer-sign

  5547. 

  5548. # add some linker flags

  5549. check_ldflags -Wl,--warn-common

  5550. check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample

  5551. enabled rpath && add_ldexeflags -Wl,-rpath,$libdir

  5552. enabled rpath && add_ldlibflags -Wl,-rpath,$libdir

  5553. test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic

  5554. 

  5555. # add some strip flags

  5556. # -wN '..@*' is more selective than -x, but not available everywhere.

  5557. check_stripflags -wN \'..@*\' || check_stripflags -x

  5558. 

  5559. enabled neon_clobber_test &&

  5560.     check_ldflags -Wl,--wrap,avcodec_open2              \

  5561.                   -Wl,--wrap,avcodec_decode_audio4      \

  5562.                   -Wl,--wrap,avcodec_decode_video2      \

  5563.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  5564.                   -Wl,--wrap,avcodec_encode_audio2      \

  5565.                   -Wl,--wrap,avcodec_encode_video2      \

  5566.                   -Wl,--wrap,avcodec_encode_subtitle    \

  5567.                   -Wl,--wrap,swr_convert                \

  5568.                   -Wl,--wrap,avresample_convert ||

  5569.     disable neon_clobber_test

  5570. 

  5571. enabled xmm_clobber_test &&

  5572.     check_ldflags -Wl,--wrap,avcodec_open2              \

  5573.                   -Wl,--wrap,avcodec_decode_audio4      \

  5574.                   -Wl,--wrap,avcodec_decode_video2      \

  5575.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  5576.                   -Wl,--wrap,avcodec_encode_audio2      \

  5577.                   -Wl,--wrap,avcodec_encode_video       \

  5578.                   -Wl,--wrap,avcodec_encode_video2      \

  5579.                   -Wl,--wrap,avcodec_encode_subtitle    \

  5580.                   -Wl,--wrap,swr_convert                \

  5581.                   -Wl,--wrap,avresample_convert         \

  5582.                   -Wl,--wrap,sws_scale ||

  5583.     disable xmm_clobber_test

  5584. 

  5585. echo "X{};" > $TMPV

  5586. if test_ldflags -Wl,--version-script,$TMPV; then

  5587.     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'

  5588.     check_cc <<EOF && enable symver_asm_label

  5589. void ff_foo(void) __asm__ ("av_foo@VERSION");

  5590. void ff_foo(void) { ${inline_asm+__asm__($quotes);} }

  5591. EOF

  5592.     check_cc <<EOF && enable symver_gnu_asm

  5593. __asm__(".symver ff_foo,av_foo@VERSION");

  5594. void ff_foo(void) {}

  5595. EOF

  5596. fi

  5597. 

  5598. if [ -z "$optflags" ]; then

  5599.     if enabled small; then

  5600.         optflags=$cflags_size

  5601.     elif enabled optimizations; then

  5602.         optflags=$cflags_speed

  5603.     else

  5604.         optflags=$cflags_noopt

  5605.     fi

  5606. fi

  5607. 

  5608. check_optflags(){

  5609.     check_cflags "$@"

  5610.     enabled lto && check_ldflags "$@"

  5611. }

  5612. 

  5613. 

  5614. if enabled lto; then

  5615.     test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"

  5616.     check_cflags  -flto

  5617.     check_ldflags -flto $cpuflags

  5618.     disable inline_asm_direct_symbol_refs

  5619. fi

  5620. 

  5621. check_optflags $optflags

  5622. check_optflags -fno-math-errno

  5623. check_optflags -fno-signed-zeros

  5624. 

  5625. enabled ftrapv && check_cflags -ftrapv

  5626. 

  5627. check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"

  5628. int x;

  5629. EOF

  5630. 

  5631. 

  5632. if enabled icc; then

  5633.     # Just warnings, no remarks

  5634.     check_cflags -w1

  5635.     # -wd: Disable following warnings

  5636.     # 144, 167, 556: -Wno-pointer-sign

  5637.     # 188: enumerated type mixed with another type

  5638.     # 1292: attribute "foo" ignored

  5639.     # 1419: external declaration in primary source file

  5640.     # 10006: ignoring unknown option -fno-signed-zeros

  5641.     # 10148: ignoring unknown option -Wno-parentheses

  5642.     # 10156: ignoring option '-W'; no argument required

  5643.     # 13200: No EMMS instruction before call to function

  5644.     # 13203: No EMMS instruction before return from function

  5645.     check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203

  5646.     # 11030: Warning unknown option --as-needed

  5647.     # 10156: ignoring option '-export'; no argument required

  5648.     check_ldflags -wd10156,11030

  5649.     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test

  5650.     enable ebp_available

  5651.     # The test above does not test linking

  5652.     enabled lto && disable symver_asm_label

  5653.     if enabled x86_32; then

  5654.         icc_version=$($cc -dumpversion)

  5655.         test ${icc_version%%.*} -ge 11 &&

  5656.             check_cflags -falign-stack=maintain-16-byte ||

  5657.             disable aligned_stack

  5658.     fi

  5659. elif enabled ccc; then

  5660.     # disable some annoying warnings

  5661.     add_cflags -msg_disable bitnotint

  5662.     add_cflags -msg_disable mixfuncvoid

  5663.     add_cflags -msg_disable nonstandcast

  5664.     add_cflags -msg_disable unsupieee

  5665. elif enabled gcc; then

  5666.     check_optflags -fno-tree-vectorize

  5667.     check_cflags -Werror=format-security

  5668.     check_cflags -Werror=implicit-function-declaration

  5669.     check_cflags -Werror=missing-prototypes

  5670.     check_cflags -Werror=return-type

  5671.     check_cflags -Werror=vla

  5672.     check_cflags -Wformat

  5673.     check_cflags -fdiagnostics-color=auto

  5674.     enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized

  5675. elif enabled llvm_gcc; then

  5676.     check_cflags -mllvm -stack-alignment=16

  5677. elif enabled clang; then

  5678.     check_cflags -mllvm -stack-alignment=16

  5679.     check_cflags -Qunused-arguments

  5680.     check_cflags -Werror=implicit-function-declaration

  5681.     check_cflags -Werror=missing-prototypes

  5682.     check_cflags -Werror=return-type

  5683. elif enabled cparser; then

  5684.     add_cflags -Wno-missing-variable-declarations

  5685.     add_cflags -Wno-empty-statement

  5686. elif enabled armcc; then

  5687.     add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat

  5688.     add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir

  5689.     # 2523: use of inline assembly is deprecated

  5690.     add_cflags -W${armcc_opt},--diag_suppress=2523

  5691.     add_cflags -W${armcc_opt},--diag_suppress=1207

  5692.     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition

  5693.     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat

  5694.     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign

  5695.     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign

  5696. elif enabled tms470; then

  5697.     add_cflags -pds=824 -pds=837

  5698.     disable inline_asm

  5699. elif enabled pathscale; then

  5700.     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF

  5701. elif enabled_any msvc icl; then

  5702.     enabled x86_32 && disable aligned_stack

  5703.     enabled_all x86_32 debug && add_cflags -Oy-

  5704.     enabled debug && add_ldflags -debug

  5705.     enable pragma_deprecated

  5706.     if enabled icl; then

  5707.         # -Qansi-alias is basically -fstrict-aliasing, but does not work

  5708.         # (correctly) on icl 13.x.

  5709.         check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&

  5710.             add_cflags -Qansi-alias

  5711.         # Some inline asm is not compilable in debug

  5712.         if enabled debug; then

  5713.             disable ebp_available

  5714.             disable ebx_available

  5715.         fi

  5716.     fi

  5717.     # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.

  5718.     check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2

  5719.     # The CRT headers contain __declspec(restrict) in a few places, but if redefining

  5720.     # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)

  5721.     # (as it ends up if the restrict redefine is done before including stdlib.h), while

  5722.     # MSVC 2013 and newer can handle it fine.

  5723.     # If this declspec fails, force including stdlib.h before the restrict redefinition

  5724.     # happens in config.h.

  5725.     if [ $_restrict != restrict ]; then

  5726.         check_cc <<EOF || add_cflags -FIstdlib.h

  5727. __declspec($_restrict) void* foo(int);

  5728. EOF

  5729.     fi

  5730.     check_func strtoll || add_cflags -Dstrtoll=_strtoi64

  5731. fi

  5732. 

  5733. for pfx in "" host_; do

  5734.     varname=${pfx%_}cc_type

  5735.     eval "type=\$$varname"

  5736.     if [ $type = "msvc" ]; then

  5737.         check_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline

  5738. static inline int foo(int a) { return a; }

  5739. EOF

  5740.     fi

  5741. done

  5742. 

  5743. case $as_type in

  5744.     clang)

  5745.         add_asflags -Qunused-arguments

  5746.     ;;

  5747. esac

  5748. 

  5749. case $ld_type in

  5750.     clang)

  5751.         check_ldflags -Qunused-arguments

  5752.     ;;

  5753. esac

  5754. 

  5755. case $target_os in

  5756.     osf1)

  5757.         enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'

  5758.     ;;

  5759.     plan9)

  5760.         add_cppflags -Dmain=plan9_main

  5761.     ;;

  5762. esac

  5763. 

  5764. enable frame_thread_encoder

  5765. 

  5766. enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }

  5767. 

  5768. check_deps $CONFIG_LIST       \

  5769.            $CONFIG_EXTRA      \

  5770.            $HAVE_LIST         \

  5771.            $ALL_COMPONENTS    \

  5772. 

  5773. 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"

  5774. 

  5775. 

  5776. if test $target_os = "haiku"; then

  5777.     disable memalign

  5778.     disable posix_memalign

  5779. fi

  5780. 

  5781. enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&

  5782.     prepend ffmpeg_libs $($ldflags_filter "-lole32" "-luser32") &&

  5783.     enable dxva2_lib

  5784. 

  5785. ! enabled_any memalign posix_memalign aligned_malloc &&

  5786.     enabled simd_align_16 && enable memalign_hack

  5787. 

  5788. # add_dep lib dep

  5789. # -> enable ${lib}_deps_${dep}

  5790. # -> add $dep to ${lib}_deps only once

  5791. add_dep() {

  5792.     lib=$1

  5793.     dep=$2

  5794.     enabled "${lib}_deps_${dep}" && return 0

  5795.     enable  "${lib}_deps_${dep}"

  5796.     prepend "${lib}_deps" $dep

  5797. }

  5798. 

  5799. # merge deps lib components

  5800. # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*

  5801. merge_deps() {

  5802.     lib=$1

  5803.     shift

  5804.     for comp in $*; do

  5805.         enabled $comp || continue

  5806.         eval "dep=\"\$${comp}_deps\""

  5807.         for d in $dep; do

  5808.             add_dep $lib $d

  5809.         done

  5810.     done

  5811. }

  5812. 

  5813. merge_deps libavfilter $FILTER_LIST

  5814. 

  5815. map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST

  5816. 

  5817. for thread in $THREADS_LIST; do

  5818.     if enabled $thread; then

  5819.         test -n "$thread_type" &&

  5820.             die "ERROR: Only one thread type must be selected." ||

  5821.             thread_type="$thread"

  5822.     fi

  5823. done

  5824. 

  5825. enabled zlib && add_cppflags -DZLIB_CONST

  5826. 

  5827. # conditional library dependencies, in linking order

  5828. enabled amovie_filter       && prepend avfilter_deps "avformat avcodec"

  5829. enabled aresample_filter    && prepend avfilter_deps "swresample"

  5830. enabled asyncts_filter      && prepend avfilter_deps "avresample"

  5831. enabled atempo_filter       && prepend avfilter_deps "avcodec"

  5832. enabled cover_rect_filter   && prepend avfilter_deps "avformat avcodec"

  5833. enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"

  5834. enabled elbg_filter         && prepend avfilter_deps "avcodec"

  5835. enabled fftfilt_filter      && prepend avfilter_deps "avcodec"

  5836. enabled find_rect_filter    && prepend avfilter_deps "avformat avcodec"

  5837. enabled mcdeint_filter      && prepend avfilter_deps "avcodec"

  5838. enabled movie_filter    && prepend avfilter_deps "avformat avcodec"

  5839. enabled pan_filter          && prepend avfilter_deps "swresample"

  5840. enabled pp_filter           && prepend avfilter_deps "postproc"

  5841. enabled removelogo_filter   && prepend avfilter_deps "avformat avcodec swscale"

  5842. enabled resample_filter && prepend avfilter_deps "avresample"

  5843. enabled sab_filter          && prepend avfilter_deps "swscale"

  5844. enabled scale_filter    && prepend avfilter_deps "swscale"

  5845. enabled scale2ref_filter    && prepend avfilter_deps "swscale"

  5846. enabled showspectrum_filter && prepend avfilter_deps "avcodec"

  5847. enabled smartblur_filter    && prepend avfilter_deps "swscale"

  5848. enabled subtitles_filter    && prepend avfilter_deps "avformat avcodec"

  5849. enabled uspp_filter         && prepend avfilter_deps "avcodec"

  5850. 

  5851. enabled lavfi_indev         && prepend avdevice_deps "avfilter"

  5852. 

  5853. enabled opus_decoder    && prepend avcodec_deps "swresample"

  5854. 

  5855. expand_deps(){

  5856.     lib_deps=${1}_deps

  5857.     eval "deps=\$$lib_deps"

  5858.     append $lib_deps $(map 'eval echo \$${v}_deps' $deps)

  5859.     unique $lib_deps

  5860. }

  5861. 

  5862. #we have to remove gpl from the deps here as some code assumes all lib deps are libs

  5863. postproc_deps="$(filter_out 'gpl' $postproc_deps)"

  5864. 

  5865. map 'expand_deps $v' $LIBRARY_LIST

  5866. 

  5867. echo "install prefix            $prefix"

  5868. echo "source path               $source_path"

  5869. echo "C compiler                $cc"

  5870. echo "C library                 $libc_type"

  5871. if test "$host_cc" != "$cc"; then

  5872.     echo "host C compiler           $host_cc"

  5873.     echo "host C library            $host_libc_type"

  5874. fi

  5875. echo "ARCH                      $arch ($cpu)"

  5876. if test "$build_suffix" != ""; then

  5877.     echo "build suffix              $build_suffix"

  5878. fi

  5879. if test "$progs_suffix" != ""; then

  5880.     echo "progs suffix              $progs_suffix"

  5881. fi

  5882. if test "$extra_version" != ""; then

  5883.     echo "version string suffix     $extra_version"

  5884. fi

  5885. echo "big-endian                ${bigendian-no}"

  5886. echo "runtime cpu detection     ${runtime_cpudetect-no}"

  5887. if enabled x86; then

  5888.     echo "${yasmexe}                      ${yasm-no}"

  5889.     echo "MMX enabled               ${mmx-no}"

  5890.     echo "MMXEXT enabled            ${mmxext-no}"

  5891.     echo "3DNow! enabled            ${amd3dnow-no}"

  5892.     echo "3DNow! extended enabled   ${amd3dnowext-no}"

  5893.     echo "SSE enabled               ${sse-no}"

  5894.     echo "SSSE3 enabled             ${ssse3-no}"

  5895.     echo "AVX enabled               ${avx-no}"

  5896.     echo "XOP enabled               ${xop-no}"

  5897.     echo "FMA3 enabled              ${fma3-no}"

  5898.     echo "FMA4 enabled              ${fma4-no}"

  5899.     echo "i686 features enabled     ${i686-no}"

  5900.     echo "CMOV is fast              ${fast_cmov-no}"

  5901.     echo "EBX available             ${ebx_available-no}"

  5902.     echo "EBP available             ${ebp_available-no}"

  5903. fi

  5904. if enabled aarch64; then

  5905.     echo "NEON enabled              ${neon-no}"

  5906.     echo "VFP enabled               ${vfp-no}"

  5907. fi

  5908. if enabled arm; then

  5909.     echo "ARMv5TE enabled           ${armv5te-no}"

  5910.     echo "ARMv6 enabled             ${armv6-no}"

  5911.     echo "ARMv6T2 enabled           ${armv6t2-no}"

  5912.     echo "VFP enabled               ${vfp-no}"

  5913.     echo "NEON enabled              ${neon-no}"

  5914.     echo "THUMB enabled             ${thumb-no}"

  5915. fi

  5916. if enabled mips; then

  5917.     echo "MIPS FPU enabled          ${mipsfpu-no}"

  5918.     echo "MIPS32R5 enabled          ${mips32r5-no}"

  5919.     echo "MIPS64R6 enabled          ${mips64r6-no}"

  5920.     echo "MIPS DSP R1 enabled       ${mipsdspr1-no}"

  5921.     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"

  5922.     echo "MIPS MSA enabled          ${msa-no}"

  5923.     echo "LOONGSON MMI enabled      ${mmi-no}"

  5924. fi

  5925. if enabled ppc; then

  5926.     echo "AltiVec enabled           ${altivec-no}"

  5927.     echo "VSX enabled               ${vsx-no}"

  5928.     echo "POWER8 enabled            ${power8-no}"

  5929.     echo "PPC 4xx optimizations     ${ppc4xx-no}"

  5930.     echo "dcbzl available           ${dcbzl-no}"

  5931. fi

  5932. echo "debug symbols             ${debug-no}"

  5933. echo "strip symbols             ${stripping-no}"

  5934. echo "optimize for size         ${small-no}"

  5935. echo "optimizations             ${optimizations-no}"

  5936. echo "static                    ${static-no}"

  5937. echo "shared                    ${shared-no}"

  5938. echo "postprocessing support    ${postproc-no}"

  5939. echo "new filter support        ${avfilter-no}"

  5940. echo "network support           ${network-no}"

  5941. echo "threading support         ${thread_type-no}"

  5942. echo "safe bitstream reader     ${safe_bitstream_reader-no}"

  5943. echo "SDL support               ${sdl-no}"

  5944. echo "opencl enabled            ${opencl-no}"

  5945. echo "texi2html enabled         ${texi2html-no}"

  5946. echo "perl enabled              ${perl-no}"

  5947. echo "pod2man enabled           ${pod2man-no}"

  5948. echo "makeinfo enabled          ${makeinfo-no}"

  5949. echo "makeinfo supports HTML    ${makeinfo_html-no}"

  5950. test -n "$random_seed" &&

  5951.     echo "random seed               ${random_seed}"

  5952. echo

  5953. 

  5954. echo "External libraries:"

  5955. print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns

  5956. echo

  5957. 

  5958. for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do

  5959.     echo "Enabled ${type}s:"

  5960.     eval list=\$$(toupper $type)_LIST

  5961.     print_enabled '_*' $list | print_3_columns

  5962.     echo

  5963. done

  5964. 

  5965. license="LGPL version 2.1 or later"

  5966. if enabled nonfree; then

  5967.     license="nonfree and unredistributable"

  5968. elif enabled gplv3; then

  5969.     license="GPL version 3 or later"

  5970. elif enabled lgplv3; then

  5971.     license="LGPL version 3 or later"

  5972. elif enabled gpl; then

  5973.     license="GPL version 2 or later"

  5974. fi

  5975. 

  5976. echo "License: $license"

  5977. 

  5978. echo "Creating config.mak, config.h, and doc/config.texi..."

  5979. 

  5980. test -e Makefile || echo "include $source_path/Makefile" > Makefile

  5981. 

  5982. enabled stripping || strip="echo skipping strip"

  5983. 

  5984. config_files="$TMPH config.mak doc/config.texi"

  5985. 

  5986. cat > config.mak <<EOF

  5987. # Automatically generated by configure - do not modify!

  5988. ifndef FFMPEG_CONFIG_MAK

  5989. FFMPEG_CONFIG_MAK=1

  5990. FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION

  5991. prefix=$prefix

  5992. LIBDIR=\$(DESTDIR)$libdir

  5993. SHLIBDIR=\$(DESTDIR)$shlibdir

  5994. INCDIR=\$(DESTDIR)$incdir

  5995. BINDIR=\$(DESTDIR)$bindir

  5996. DATADIR=\$(DESTDIR)$datadir

  5997. DOCDIR=\$(DESTDIR)$docdir

  5998. MANDIR=\$(DESTDIR)$mandir

  5999. PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir

  6000. SRC_PATH=$source_path

  6001. ifndef MAIN_MAKEFILE

  6002. SRC_PATH:=\$(SRC_PATH:.%=..%)

  6003. endif

  6004. CC_IDENT=$cc_ident

  6005. ARCH=$arch

  6006. INTRINSICS=$intrinsics

  6007. CC=$cc

  6008. CXX=$cxx

  6009. AS=$as

  6010. LD=$ld

  6011. DEPCC=$dep_cc

  6012. DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)

  6013. DEPAS=$as

  6014. DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)

  6015. YASM=$yasmexe

  6016. DEPYASM=$yasmexe

  6017. AR=$ar

  6018. ARFLAGS=$arflags

  6019. AR_O=$ar_o

  6020. RANLIB=$ranlib

  6021. STRIP=$strip

  6022. CP=cp -p

  6023. LN_S=$ln_s

  6024. CPPFLAGS=$CPPFLAGS

  6025. CFLAGS=$CFLAGS

  6026. CXXFLAGS=$CXXFLAGS

  6027. ASFLAGS=$ASFLAGS

  6028. AS_C=$AS_C

  6029. AS_O=$AS_O

  6030. CC_C=$CC_C

  6031. CC_E=$CC_E

  6032. CC_O=$CC_O

  6033. CXX_C=$CXX_C

  6034. CXX_O=$CXX_O

  6035. LD_O=$LD_O

  6036. LD_LIB=$LD_LIB

  6037. LD_PATH=$LD_PATH

  6038. DLLTOOL=$dlltool

  6039. WINDRES=$windres

  6040. DEPWINDRES=$dep_cc

  6041. DOXYGEN=$doxygen

  6042. LDFLAGS=$LDFLAGS

  6043. LDEXEFLAGS=$LDEXEFLAGS

  6044. LDLIBFLAGS=$LDLIBFLAGS

  6045. SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))

  6046. ASMSTRIPFLAGS=$ASMSTRIPFLAGS

  6047. YASMFLAGS=$YASMFLAGS

  6048. BUILDSUF=$build_suffix

  6049. PROGSSUF=$progs_suffix

  6050. FULLNAME=$FULLNAME

  6051. LIBPREF=$LIBPREF

  6052. LIBSUF=$LIBSUF

  6053. LIBNAME=$LIBNAME

  6054. SLIBPREF=$SLIBPREF

  6055. SLIBSUF=$SLIBSUF

  6056. EXESUF=$EXESUF

  6057. EXTRA_VERSION=$extra_version

  6058. CCDEP=$CCDEP

  6059. CXXDEP=$CXXDEP

  6060. CCDEP_FLAGS=$CCDEP_FLAGS

  6061. ASDEP=$ASDEP

  6062. ASDEP_FLAGS=$ASDEP_FLAGS

  6063. CC_DEPFLAGS=$CC_DEPFLAGS

  6064. AS_DEPFLAGS=$AS_DEPFLAGS

  6065. HOSTCC=$host_cc

  6066. HOSTLD=$host_ld

  6067. HOSTCFLAGS=$host_cflags

  6068. HOSTCPPFLAGS=$host_cppflags

  6069. HOSTEXESUF=$HOSTEXESUF

  6070. HOSTLDFLAGS=$host_ldflags

  6071. HOSTLIBS=$host_libs

  6072. DEPHOSTCC=$host_cc

  6073. DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)

  6074. HOSTCCDEP=$HOSTCCDEP

  6075. HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS

  6076. HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS

  6077. HOSTCC_C=$HOSTCC_C

  6078. HOSTCC_O=$HOSTCC_O

  6079. HOSTLD_O=$HOSTLD_O

  6080. TARGET_EXEC=$target_exec $target_exec_args

  6081. TARGET_PATH=$target_path

  6082. TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}

  6083. CFLAGS-ffplay=$sdl_cflags

  6084. ZLIB=$($ldflags_filter -lz)

  6085. LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD

  6086. EXTRALIBS=$extralibs

  6087. COMPAT_OBJS=$compat_objs

  6088. EXEOBJS=$exeobjs

  6089. INSTALL=$install

  6090. LIBTARGET=${LIBTARGET}

  6091. SLIBNAME=${SLIBNAME}

  6092. SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}

  6093. SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}

  6094. SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}

  6095. SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}

  6096. SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}

  6097. SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}

  6098. SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}

  6099. SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}

  6100. SAMPLES:=${samples:-\$(FATE_SAMPLES)}

  6101. NOREDZONE_FLAGS=$noredzone_flags

  6102. EOF

  6103. 

  6104. get_version(){

  6105.     lcname=lib${1}

  6106.     name=$(toupper $lcname)

  6107.     file=$source_path/$lcname/version.h

  6108.     eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")

  6109.     enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))

  6110.     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO

  6111.     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak

  6112.     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak

  6113.     eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak

  6114. }

  6115. 

  6116. map 'get_version $v' $LIBRARY_LIST

  6117. 

  6118. map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST

  6119. 

  6120. print_program_libs(){

  6121.     eval "program_libs=\$${1}_libs"

  6122.     eval echo "LIBS-${1}=${program_libs}" >> config.mak

  6123. }

  6124. 

  6125. map 'print_program_libs $v' $PROGRAM_LIST

  6126. 

  6127. cat > $TMPH <<EOF

  6128. /* Automatically generated by configure - do not modify! */

  6129. #ifndef FFMPEG_CONFIG_H

  6130. #define FFMPEG_CONFIG_H

  6131. #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"

  6132. #define FFMPEG_LICENSE "$(c_escape $license)"

  6133. #define CONFIG_THIS_YEAR 2015

  6134. #define FFMPEG_DATADIR "$(eval c_escape $datadir)"

  6135. #define AVCONV_DATADIR "$(eval c_escape $datadir)"

  6136. #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"

  6137. #define av_restrict $_restrict

  6138. #define EXTERN_PREFIX "${extern_prefix}"

  6139. #define EXTERN_ASM ${extern_prefix}

  6140. #define BUILDSUF "$build_suffix"

  6141. #define SLIBSUF "$SLIBSUF"

  6142. #define HAVE_MMX2 HAVE_MMXEXT

  6143. #define SWS_MAX_FILTER_SIZE $sws_max_filter_size

  6144. EOF

  6145. 

  6146. test -n "$assert_level" &&

  6147.     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH

  6148. 

  6149. test -n "$malloc_prefix" &&

  6150.     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH

  6151. 

  6152. if enabled yasm; then

  6153.     append config_files $TMPASM

  6154.     printf '' >$TMPASM

  6155. fi

  6156. 

  6157. enabled getenv || echo "#define getenv(x) NULL" >> $TMPH

  6158. 

  6159. 

  6160. mkdir -p doc

  6161. mkdir -p tests

  6162. mkdir -p tests/api

  6163. echo "@c auto-generated by configure" > doc/config.texi

  6164. 

  6165. print_config ARCH_   "$config_files" $ARCH_LIST

  6166. print_config HAVE_   "$config_files" $HAVE_LIST

  6167. print_config CONFIG_ "$config_files" $CONFIG_LIST       \

  6168.                                      $CONFIG_EXTRA      \

  6169.                                      $ALL_COMPONENTS    \

  6170. 

  6171. echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH

  6172. echo "endif # FFMPEG_CONFIG_MAK" >> config.mak

  6173. 

  6174. # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.

  6175. cp_if_changed $TMPH config.h

  6176. touch .config

  6177. 

  6178. enabled yasm && cp_if_changed $TMPASM config.asm

  6179. 

  6180. cat > $TMPH <<EOF

  6181. /* Generated by ffconf */

  6182. #ifndef AVUTIL_AVCONFIG_H

  6183. #define AVUTIL_AVCONFIG_H

  6184. EOF

  6185. 

  6186. print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB

  6187. 

  6188. echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH

  6189. 

  6190. cp_if_changed $TMPH libavutil/avconfig.h

  6191. 

  6192. if test -n "$WARNINGS"; then

  6193.     printf "\n$WARNINGS"

  6194.     enabled fatal_warnings && exit 1

  6195. fi

  6196. 

  6197. # build pkg-config files

  6198. 

  6199. lib_version(){

  6200.     eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""

  6201. }

  6202. 

  6203. pkgconfig_generate(){

  6204.     name=$1

  6205.     shortname=${name#lib}${build_suffix}

  6206.     comment=$2

  6207.     version=$3

  6208.     libs=$4

  6209.     requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))

  6210.     requires=${requires%, }

  6211.     enabled ${name#lib} || return 0

  6212.     mkdir -p $name

  6213.     cat <<EOF > $name/$name${build_suffix}.pc

  6214. prefix=$prefix

  6215. exec_prefix=\${prefix}

  6216. libdir=$libdir

  6217. includedir=$incdir

  6218. 

  6219. Name: $name

  6220. Description: $comment

  6221. Version: $version

  6222. Requires: $(enabled shared || echo $requires)

  6223. Requires.private: $(enabled shared && echo $requires)

  6224. Conflicts:

  6225. Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)

  6226. Libs.private: $(enabled shared && echo $libs)

  6227. Cflags: -I\${includedir}

  6228. EOF

  6229. 

  6230. mkdir -p doc/examples/pc-uninstalled

  6231. includedir=${source_path}

  6232. [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."

  6233.     cat <<EOF > doc/examples/pc-uninstalled/$name.pc

  6234. prefix=

  6235. exec_prefix=

  6236. libdir=\${pcfiledir}/../../../$name

  6237. includedir=${includedir}

  6238. 

  6239. Name: $name

  6240. Description: $comment

  6241. Version: $version

  6242. Requires: $requires

  6243. Conflicts:

  6244. Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)

  6245. Cflags: -I\${includedir}

  6246. EOF

  6247. }

  6248. 

  6249. pkgconfig_generate libavutil     "FFmpeg utility library"               "$LIBAVUTIL_VERSION"     "$LIBRT $LIBM"

  6250. pkgconfig_generate libavcodec    "FFmpeg codec library"                 "$LIBAVCODEC_VERSION"    "$extralibs"

  6251. pkgconfig_generate libavformat   "FFmpeg container format library"      "$LIBAVFORMAT_VERSION"   "$extralibs"

  6252. pkgconfig_generate libavdevice   "FFmpeg device handling library"       "$LIBAVDEVICE_VERSION"   "$extralibs"

  6253. pkgconfig_generate libavfilter   "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION"   "$extralibs"

  6254. pkgconfig_generate libpostproc   "FFmpeg postprocessing library"        "$LIBPOSTPROC_VERSION"   ""

  6255. pkgconfig_generate libavresample "Libav audio resampling library"       "$LIBAVRESAMPLE_VERSION" "$LIBM"

  6256. pkgconfig_generate libswscale    "FFmpeg image rescaling library"       "$LIBSWSCALE_VERSION"    "$LIBM"

  6257. pkgconfig_generate libswresample "FFmpeg audio resampling library"      "$LIBSWRESAMPLE_VERSION" "$LIBM"