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FFmpeg
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  1. #!/bin/sh

  2. #

  3. # FFmpeg configure script

  4. #

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

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

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

  8. #

  9. 

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

  11. LC_ALL=C

  12. export LC_ALL

  13. 

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

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

  16. 

  17. try_exec(){

  18.     echo "Trying shell $1"

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

  20. }

  21. 

  22. unset foo

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

  24. E1="$?"

  25. 

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

  27. E2="$?"

  28. 

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

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

  31.     export FF_CONF_EXEC

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

  33.         FF_CONF_EXEC=1

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

  35.     fi

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

  37.         FF_CONF_EXEC=2

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

  39.     fi

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

  41.         FF_CONF_EXEC=3

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

  43.     fi

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

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

  46.     echo "such as bash or ksh."

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

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

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

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

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

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

  53.     fi

  54.     exit 1

  55. fi

  56. 

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

  58. 

  59. show_help(){

  60.     cat <<EOF

  61. Usage: configure [options]

  62. Options: [defaults in brackets after descriptions]

  63. 

  64. Help options:

  65.   --help                   print this message

  66.   --list-decoders          show all available decoders

  67.   --list-encoders          show all available encoders

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

  69.   --list-demuxers          show all available demuxers

  70.   --list-muxers            show all available muxers

  71.   --list-parsers           show all available parsers

  72.   --list-protocols         show all available protocols

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

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

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

  76.   --list-filters           show all available filters

  77. 

  78. Standard options:

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

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

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

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

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

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

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

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

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

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

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

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

  91.                            not part of the dynamic linker search path

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

  93. 

  94. Licensing options:

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

  96.                            and binaries will be under GPL [no]

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

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

  99.                            and binaries will be unredistributable [no]

  100. 

  101. Configuration options:

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

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

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

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

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

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

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

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

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

  111. 

  112. Program options:

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

  114.   --disable-ffmpeg         disable ffmpeg build

  115.   --disable-ffplay         disable ffplay build

  116.   --disable-ffprobe        disable ffprobe build

  117.   --disable-ffserver       disable ffserver build

  118. 

  119. Documentation options:

  120.   --disable-doc            do not build documentation

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

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

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

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

  125. 

  126. Component options:

  127.   --disable-avdevice       disable libavdevice build

  128.   --disable-avcodec        disable libavcodec build

  129.   --disable-avformat       disable libavformat build

  130.   --disable-avutil         disable libavutil build

  131.   --disable-swresample     disable libswresample build

  132.   --disable-swscale        disable libswscale build

  133.   --disable-postproc       disable libpostproc build

  134.   --disable-avfilter       disable libavfilter build

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

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

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

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

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

  140.   --disable-dct            disable DCT code

  141.   --disable-dwt            disable DWT code

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

  143.   --disable-lsp            disable LSP code

  144.   --disable-lzo            disable LZO decoder code

  145.   --disable-mdct           disable MDCT code

  146.   --disable-rdft           disable RDFT code

  147.   --disable-fft            disable FFT code

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

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

  150. 

  151. Hardware accelerators:

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

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

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

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

  156. 

  157. Individual component options:

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

  159.   --disable-encoder=NAME   disable encoder NAME

  160.   --enable-encoder=NAME    enable encoder NAME

  161.   --disable-encoders       disable all encoders

  162.   --disable-decoder=NAME   disable decoder NAME

  163.   --enable-decoder=NAME    enable decoder NAME

  164.   --disable-decoders       disable all decoders

  165.   --disable-hwaccel=NAME   disable hwaccel NAME

  166.   --enable-hwaccel=NAME    enable hwaccel NAME

  167.   --disable-hwaccels       disable all hwaccels

  168.   --disable-muxer=NAME     disable muxer NAME

  169.   --enable-muxer=NAME      enable muxer NAME

  170.   --disable-muxers         disable all muxers

  171.   --disable-demuxer=NAME   disable demuxer NAME

  172.   --enable-demuxer=NAME    enable demuxer NAME

  173.   --disable-demuxers       disable all demuxers

  174.   --enable-parser=NAME     enable parser NAME

  175.   --disable-parser=NAME    disable parser NAME

  176.   --disable-parsers        disable all parsers

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

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

  179.   --disable-bsfs           disable all bitstream filters

  180.   --enable-protocol=NAME   enable protocol NAME

  181.   --disable-protocol=NAME  disable protocol NAME

  182.   --disable-protocols      disable all protocols

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

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

  185.   --disable-indevs         disable input devices

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

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

  188.   --disable-outdevs        disable output devices

  189.   --disable-devices        disable all devices

  190.   --enable-filter=NAME     enable filter NAME

  191.   --disable-filter=NAME    disable filter NAME

  192.   --disable-filters        disable all filters

  193. 

  194. External library support:

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

  196.   --disable-bzlib          disable bzlib [autodetect]

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

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

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

  200.                            if openssl is not used [no]

  201.   --disable-iconv          disable iconv [autodetect]

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

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

  204.   --enable-libass          enable libass subtitles rendering,

  205.                            needed for subtitles and ass filter [no]

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

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

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

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

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

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

  212.                            and libraw1394 [no]

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

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

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

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

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

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

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

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

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

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

  223.   --enable-libmfx          enable HW acceleration through libmfx

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

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

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

  227.                            native (de)muxer exists [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  252.                            native implementation exists [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  267.   --disable-lzma           disable lzma [autodetect]

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

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

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

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

  272.   --enable-opencl          enable OpenCL code

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

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

  275.                            if gnutls is not used [no]

  276.   --disable-sdl            disable sdl [autodetect]

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

  278.   --disable-xlib           disable xlib [autodetect]

  279.   --disable-zlib           disable zlib [autodetect]

  280. 

  281. Toolchain options:

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

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

  284.                            instruction selection, may crash on older CPUs)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  327. 

  328. Advanced options (experts only):

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

  330.   --disable-symver         disable symbol versioning

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

  332.   --disable-safe-bitstream-reader

  333.                            disable buffer boundary checking in bitreaders

  334.                            (faster, but may crash)

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

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

  337. 

  338. Optimization options (experts only):

  339.   --disable-asm            disable all assembly optimizations

  340.   --disable-altivec        disable AltiVec optimizations

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

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

  343.   --disable-mmx            disable MMX optimizations

  344.   --disable-mmxext         disable MMXEXT optimizations

  345.   --disable-sse            disable SSE optimizations

  346.   --disable-sse2           disable SSE2 optimizations

  347.   --disable-sse3           disable SSE3 optimizations

  348.   --disable-ssse3          disable SSSE3 optimizations

  349.   --disable-sse4           disable SSE4 optimizations

  350.   --disable-sse42          disable SSE4.2 optimizations

  351.   --disable-avx            disable AVX optimizations

  352.   --disable-xop            disable XOP optimizations

  353.   --disable-fma3           disable FMA3 optimizations

  354.   --disable-fma4           disable FMA4 optimizations

  355.   --disable-avx2           disable AVX2 optimizations

  356.   --disable-armv5te        disable armv5te optimizations

  357.   --disable-armv6          disable armv6 optimizations

  358.   --disable-armv6t2        disable armv6t2 optimizations

  359.   --disable-vfp            disable VFP optimizations

  360.   --disable-neon           disable NEON optimizations

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

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

  363.   --disable-mips32r5       disable MIPS32R5 optimizations

  364.   --disable-mips64r6       disable MIPS64R6 optimizations

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

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

  367.   --disable-msa            disable MSA optimizations

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

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

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

  371. 

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

  373.   --disable-debug          disable debugging symbols

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

  375.   --disable-optimizations  disable compiler optimizations

  376.   --enable-extra-warnings  enable more compiler warnings

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

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

  379.                            2 causes a slowdown at runtime.

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

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

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

  383.                            Cannot be combined with --target-exec

  384.   --enable-ftrapv          Trap arithmetic overflows

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

  386.                            \$FATE_SAMPLES at make invocation time.

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

  388.                            used only for debugging purposes)

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

  390.                            should be used only for debugging purposes)

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

  392.   --disable-random

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

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

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

  396.                            (group) and PROB the probability associated with

  397.                            NAME (default 0.5).

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

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

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

  401. 

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

  403. EOF

  404.   exit 0

  405. }

  406. 

  407. quotes='""'

  408. 

  409. log(){

  410.     echo "$@" >> $logfile

  411. }

  412. 

  413. log_file(){

  414.     log BEGIN $1

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

  416.     log END $1

  417. }

  418. 

  419. echolog(){

  420.     log "$@"

  421.     echo "$@"

  422. }

  423. 

  424. warn(){

  425.     log "WARNING: $*"

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

  427. }

  428. 

  429. die(){

  430.     echolog "$@"

  431.     cat <<EOF

  432. 

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

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

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

  436. EOF

  437.     if disabled logging; then

  438.         cat <<EOF

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

  440. include the log this produces with your report.

  441. EOF

  442.     else

  443.         cat <<EOF

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

  445. solve the problem.

  446. EOF

  447.     fi

  448.     exit 1

  449. }

  450. 

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

  452. toupper(){

  453.     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ

  454. }

  455. 

  456. tolower(){

  457.     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz

  458. }

  459. 

  460. c_escape(){

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

  462. }

  463. 

  464. sh_quote(){

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

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

  467.     echo "$v"

  468. }

  469. 

  470. cleanws(){

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

  472. }

  473. 

  474. filter(){

  475.     pat=$1

  476.     shift

  477.     for v; do

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

  479.     done

  480. }

  481. 

  482. filter_out(){

  483.     pat=$1

  484.     shift

  485.     for v; do

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

  487.     done

  488. }

  489. 

  490. map(){

  491.     m=$1

  492.     shift

  493.     for v; do eval $m; done

  494. }

  495. 

  496. add_suffix(){

  497.     suffix=$1

  498.     shift

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

  500. }

  501. 

  502. set_all(){

  503.     value=$1

  504.     shift

  505.     for var in $*; do

  506.         eval $var=$value

  507.     done

  508. }

  509. 

  510. set_weak(){

  511.     value=$1

  512.     shift

  513.     for var; do

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

  515.     done

  516. }

  517. 

  518. sanitize_var_name(){

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

  520. }

  521. 

  522. set_safe(){

  523.     var=$1

  524.     shift

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

  526. }

  527. 

  528. get_safe(){

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

  530. }

  531. 

  532. pushvar(){

  533.     for pvar in $*; do

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

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

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

  537.     done

  538. }

  539. 

  540. popvar(){

  541.     for pvar in $*; do

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

  543.         test $level = 0 && continue

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

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

  546.         eval ${pvar}_level=$level

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

  548.     done

  549. }

  550. 

  551. enable(){

  552.     set_all yes $*

  553. }

  554. 

  555. disable(){

  556.     set_all no $*

  557. }

  558. 

  559. enable_weak(){

  560.     set_weak yes $*

  561. }

  562. 

  563. disable_weak(){

  564.     set_weak no $*

  565. }

  566. 

  567. enable_safe(){

  568.     for var; do

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

  570.     done

  571. }

  572. 

  573. disable_safe(){

  574.     for var; do

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

  576.     done

  577. }

  578. 

  579. do_enable_deep(){

  580.     for var; do

  581.         enabled $var && continue

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

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

  584.         pushvar var sgs

  585.         enable_deep $sel

  586.         popvar sgs

  587.         enable_deep_weak $sgs

  588.         popvar var

  589.     done

  590. }

  591. 

  592. enable_deep(){

  593.     do_enable_deep $*

  594.     enable $*

  595. }

  596. 

  597. enable_deep_weak(){

  598.     for var; do

  599.         disabled $var && continue

  600.         pushvar var

  601.         do_enable_deep $var

  602.         popvar var

  603.         enable_weak $var

  604.     done

  605. }

  606. 

  607. enabled(){

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

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

  610. }

  611. 

  612. disabled(){

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

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

  615. }

  616. 

  617. enabled_all(){

  618.     for opt; do

  619.         enabled $opt || return 1

  620.     done

  621. }

  622. 

  623. disabled_all(){

  624.     for opt; do

  625.         disabled $opt || return 1

  626.     done

  627. }

  628. 

  629. enabled_any(){

  630.     for opt; do

  631.         enabled $opt && return 0

  632.     done

  633. }

  634. 

  635. disabled_any(){

  636.     for opt; do

  637.         disabled $opt && return 0

  638.     done

  639.     return 1

  640. }

  641. 

  642. set_default(){

  643.     for opt; do

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

  645.     done

  646. }

  647. 

  648. is_in(){

  649.     value=$1

  650.     shift

  651.     for var in $*; do

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

  653.     done

  654.     return 1

  655. }

  656. 

  657. do_check_deps(){

  658.     for cfg; do

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

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

  661.         disabled ${cfg}_checking && continue

  662.         enable ${cfg}_checking

  663.         append allopts $cfg

  664. 

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

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

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

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

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

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

  671. 

  672.         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

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

  674.         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

  675. 

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

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

  678.         enabled_all  $dep_all || disable $cfg

  679.         enabled_any  $dep_any || disable $cfg

  680.         disabled_any $dep_sel && disable $cfg

  681. 

  682.         if enabled $cfg; then

  683.             enable_deep $dep_sel

  684.             enable_deep_weak $dep_sgs

  685.         fi

  686. 

  687.         disable ${cfg}_checking

  688.     done

  689. }

  690. 

  691. check_deps(){

  692.     unset allopts

  693. 

  694.     do_check_deps "$@"

  695. 

  696.     for cfg in $allopts; do

  697.         enabled $cfg || continue

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

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

  700.     done

  701. }

  702. 

  703. print_config(){

  704.     pfx=$1

  705.     files=$2

  706.     shift 2

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

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

  709.         {

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

  711.             v = \$2;

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

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

  714.             for (f in files) {

  715.                 file = files[f];

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

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

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

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

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

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

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

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

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

  725.                     yesno = \$2;

  726.                     c2 = tolower(c);

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

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

  729.                 }

  730.             }

  731.         }"

  732. }

  733. 

  734. print_enabled(){

  735.     suf=$1

  736.     shift

  737.     for v; do

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

  739.     done

  740. }

  741. 

  742. append(){

  743.     var=$1

  744.     shift

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

  746. }

  747. 

  748. prepend(){

  749.     var=$1

  750.     shift

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

  752. }

  753. 

  754. unique(){

  755.     var=$1

  756.     uniq_list=""

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

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

  759.     done

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

  761. }

  762. 

  763. add_cppflags(){

  764.     append CPPFLAGS "$@"

  765. }

  766. 

  767. add_cflags(){

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

  769. }

  770. 

  771. add_cxxflags(){

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

  773. }

  774. 

  775. add_asflags(){

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

  777. }

  778. 

  779. add_ldflags(){

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

  781. }

  782. 

  783. add_ldexeflags(){

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

  785. }

  786. 

  787. add_stripflags(){

  788.     append ASMSTRIPFLAGS "$@"

  789. }

  790. 

  791. add_extralibs(){

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

  793. }

  794. 

  795. add_host_cppflags(){

  796.     append host_cppflags "$@"

  797. }

  798. 

  799. add_host_cflags(){

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

  801. }

  802. 

  803. add_host_ldflags(){

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

  805. }

  806. 

  807. add_compat(){

  808.     append compat_objs $1

  809.     shift

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

  811. }

  812. 

  813. check_cmd(){

  814.     log "$@"

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

  816. }

  817. 

  818. check_stat(){

  819.     log check_stat "$@"

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

  821. }

  822. 

  823. cc_o(){

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

  825. }

  826. 

  827. cc_e(){

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

  829. }

  830. 

  831. check_cc(){

  832.     log check_cc "$@"

  833.     cat > $TMPC

  834.     log_file $TMPC

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

  836. }

  837. 

  838. check_cxx(){

  839.     log check_cxx "$@"

  840.     cat > $TMPCPP

  841.     log_file $TMPCPP

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

  843. }

  844. 

  845. check_oc(){

  846.     log check_oc "$@"

  847.     cat > $TMPM

  848.     log_file $TMPM

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

  850. }

  851. 

  852. check_cpp(){

  853.     log check_cpp "$@"

  854.     cat > $TMPC

  855.     log_file $TMPC

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

  857. }

  858. 

  859. as_o(){

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

  861. }

  862. 

  863. check_as(){

  864.     log check_as "$@"

  865.     cat > $TMPS

  866.     log_file $TMPS

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

  868. }

  869. 

  870. check_inline_asm(){

  871.     log check_inline_asm "$@"

  872.     name="$1"

  873.     code="$2"

  874.     shift 2

  875.     disable $name

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

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

  878. EOF

  879. }

  880. 

  881. check_insn(){

  882.     log check_insn "$@"

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

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

  885. }

  886. 

  887. check_yasm(){

  888.     log check_yasm "$@"

  889.     echo "$1" > $TMPS

  890.     log_file $TMPS

  891.     shift 1

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

  893. }

  894. 

  895. ld_o(){

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

  897. }

  898. 

  899. check_ld(){

  900.     log check_ld "$@"

  901.     type=$1

  902.     shift 1

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

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

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

  906.     flags=$($ldflags_filter $flags)

  907.     libs=$($ldflags_filter $libs)

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

  909. }

  910. 

  911. print_include(){

  912.     hdr=$1

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

  914.         echo "#include $hdr"    ||

  915.         echo "#include <$hdr>"

  916. }

  917. 

  918. check_code(){

  919.     log check_code "$@"

  920.     check=$1

  921.     headers=$2

  922.     code=$3

  923.     shift 3

  924.     {

  925.         for hdr in $headers; do

  926.             print_include $hdr

  927.         done

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

  929.     } | check_$check "$@"

  930. }

  931. 

  932. check_cppflags(){

  933.     log check_cppflags "$@"

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

  935. int x;

  936. EOF

  937. }

  938. 

  939. test_cflags(){

  940.     log test_cflags "$@"

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

  942.     check_cc "$@" <<EOF

  943. int x;

  944. EOF

  945. }

  946. 

  947. check_cflags(){

  948.     log check_cflags "$@"

  949.     test_cflags "$@" && add_cflags "$@"

  950. }

  951. 

  952. check_cxxflags(){

  953.     log check_cxxflags "$@"

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

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

  956. int x;

  957. EOF

  958. }

  959. 

  960. test_ldflags(){

  961.     log test_ldflags "$@"

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

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

  964. EOF

  965. }

  966. 

  967. check_ldflags(){

  968.     log check_ldflags "$@"

  969.     test_ldflags "$@" && add_ldflags "$@"

  970. }

  971. 

  972. test_stripflags(){

  973.     log test_stripflags "$@"

  974.     # call check_cc to get a fresh TMPO

  975.     check_cc <<EOF

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

  977. EOF

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

  979. }

  980. 

  981. check_stripflags(){

  982.     log check_stripflags "$@"

  983.     test_stripflags "$@" && add_stripflags "$@"

  984. }

  985. 

  986. check_header(){

  987.     log check_header "$@"

  988.     header=$1

  989.     shift

  990.     disable_safe $header

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

  992. #include <$header>

  993. int x;

  994. EOF

  995. }

  996. 

  997. check_header_oc(){

  998.     log check_header_oc "$@"

  999.     rm -f -- "$TMPO"

  1000.     header=$1

  1001.     shift

  1002.     disable_safe $header

  1003.     {

  1004.        echo "#include <$header>"

  1005.        echo "int main(void) { return 0; }"

  1006.     } | check_oc && check_stat "$TMPO" && enable_safe $headers

  1007. }

  1008. 

  1009. check_func(){

  1010.     log check_func "$@"

  1011.     func=$1

  1012.     shift

  1013.     disable $func

  1014.     check_ld "cc" "$@" <<EOF && enable $func

  1015. extern int $func();

  1016. int main(void){ $func(); }

  1017. EOF

  1018. }

  1019. 

  1020. check_mathfunc(){

  1021.     log check_mathfunc "$@"

  1022.     func=$1

  1023.     narg=$2

  1024.     shift 2

  1025.     test $narg = 2 && args="f, g" || args="f"

  1026.     disable $func

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

  1028. #include <math.h>

  1029. float foo(float f, float g) { return $func($args); }

  1030. int main(void){ return (int) foo; }

  1031. EOF

  1032. }

  1033. 

  1034. check_func_headers(){

  1035.     log check_func_headers "$@"

  1036.     headers=$1

  1037.     funcs=$2

  1038.     shift 2

  1039.     {

  1040.         for hdr in $headers; do

  1041.             print_include $hdr

  1042.         done

  1043.         for func in $funcs; do

  1044.             echo "long check_$func(void) { return (long) $func; }"

  1045.         done

  1046.         echo "int main(void) { return 0; }"

  1047.     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers

  1048. }

  1049. 

  1050. check_class_headers_cpp(){

  1051.     log check_class_headers_cpp "$@"

  1052.     headers=$1

  1053.     classes=$2

  1054.     shift 2

  1055.     {

  1056.         for hdr in $headers; do

  1057.             echo "#include <$hdr>"

  1058.         done

  1059.         echo "int main(void) { "

  1060.         i=1

  1061.         for class in $classes; do

  1062.             echo "$class obj$i;"

  1063.             i=$(expr $i + 1)

  1064.         done

  1065.         echo "return 0; }"

  1066.     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers

  1067. }

  1068. 

  1069. check_cpp_condition(){

  1070.     log check_cpp_condition "$@"

  1071.     header=$1

  1072.     condition=$2

  1073.     shift 2

  1074.     check_cpp "$@" <<EOF

  1075. #include <$header>

  1076. #if !($condition)

  1077. #error "unsatisfied condition: $condition"

  1078. #endif

  1079. EOF

  1080. }

  1081. 

  1082. check_lib(){

  1083.     log check_lib "$@"

  1084.     header="$1"

  1085.     func="$2"

  1086.     shift 2

  1087.     check_header $header && check_func $func "$@" && add_extralibs "$@"

  1088. }

  1089. 

  1090. check_lib2(){

  1091.     log check_lib2 "$@"

  1092.     headers="$1"

  1093.     funcs="$2"

  1094.     shift 2

  1095.     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"

  1096. }

  1097. 

  1098. check_lib_cpp(){

  1099.     log check_lib_cpp "$@"

  1100.     headers="$1"

  1101.     classes="$2"

  1102.     shift 2

  1103.     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"

  1104. }

  1105. 

  1106. check_pkg_config(){

  1107.     log check_pkg_config "$@"

  1108.     pkgandversion="$1"

  1109.     pkg="${1%% *}"

  1110.     headers="$2"

  1111.     funcs="$3"

  1112.     shift 3

  1113.     check_cmd $pkg_config --exists --print-errors $pkgandversion || return

  1114.     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)

  1115.     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)

  1116.     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&

  1117.         set_safe ${pkg}_cflags $pkg_cflags   &&

  1118.         set_safe ${pkg}_libs   $pkg_libs

  1119. }

  1120. 

  1121. check_exec(){

  1122.     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }

  1123. }

  1124. 

  1125. check_exec_crash(){

  1126.     code=$(cat)

  1127. 

  1128.     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)

  1129.     # are safe but may not be available everywhere.  Thus we use

  1130.     # raise(SIGTERM) instead.  The check is run in a subshell so we

  1131.     # can redirect the "Terminated" message from the shell.  SIGBUS

  1132.     # is not defined by standard C so it is used conditionally.

  1133. 

  1134.     (check_exec "$@") >> $logfile 2>&1 <<EOF

  1135. #include <signal.h>

  1136. static void sighandler(int sig){

  1137.     raise(SIGTERM);

  1138. }

  1139. int foo(void){

  1140.     $code

  1141. }

  1142. int (*func_ptr)(void) = foo;

  1143. int main(void){

  1144.     signal(SIGILL, sighandler);

  1145.     signal(SIGFPE, sighandler);

  1146.     signal(SIGSEGV, sighandler);

  1147. #ifdef SIGBUS

  1148.     signal(SIGBUS, sighandler);

  1149. #endif

  1150.     return func_ptr();

  1151. }

  1152. EOF

  1153. }

  1154. 

  1155. check_type(){

  1156.     log check_type "$@"

  1157.     headers=$1

  1158.     type=$2

  1159.     shift 2

  1160.     disable_safe "$type"

  1161.     check_code cc "$headers" "$type v" "$@" && enable_safe "$type"

  1162. }

  1163. 

  1164. check_struct(){

  1165.     log check_struct "$@"

  1166.     headers=$1

  1167.     struct=$2

  1168.     member=$3

  1169.     shift 3

  1170.     disable_safe "${struct}_${member}"

  1171.     check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&

  1172.         enable_safe "${struct}_${member}"

  1173. }

  1174. 

  1175. check_builtin(){

  1176.     log check_builtin "$@"

  1177.     name=$1

  1178.     headers=$2

  1179.     builtin=$3

  1180.     shift 3

  1181.     disable "$name"

  1182.     check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"

  1183. }

  1184. 

  1185. check_compile_assert(){

  1186.     log check_compile_assert "$@"

  1187.     name=$1

  1188.     headers=$2

  1189.     condition=$3

  1190.     shift 3

  1191.     disable "$name"

  1192.     check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"

  1193. }

  1194. 

  1195. require(){

  1196.     name="$1"

  1197.     header="$2"

  1198.     func="$3"

  1199.     shift 3

  1200.     check_lib $header $func "$@" || die "ERROR: $name not found"

  1201. }

  1202. 

  1203. require2(){

  1204.     name="$1"

  1205.     headers="$2"

  1206.     func="$3"

  1207.     shift 3

  1208.     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"

  1209. }

  1210. 

  1211. require_cpp(){

  1212.     name="$1"

  1213.     headers="$2"

  1214.     classes="$3"

  1215.     shift 3

  1216.     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"

  1217. }

  1218. 

  1219. use_pkg_config(){

  1220.     pkg="$1"

  1221.     check_pkg_config "$@" || return 1

  1222.     add_cflags    $(get_safe ${pkg}_cflags)

  1223.     add_extralibs $(get_safe ${pkg}_libs)

  1224. }

  1225. 

  1226. require_pkg_config(){

  1227.     use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"

  1228. }

  1229. 

  1230. require_libfreetype(){

  1231.     log require_libfreetype "$@"

  1232.     pkg="freetype2"

  1233.     check_cmd $pkg_config --exists --print-errors $pkg \

  1234.       || die "ERROR: $pkg not found"

  1235.     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)

  1236.     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)

  1237.     {

  1238.         echo "#include <ft2build.h>"

  1239.         echo "#include FT_FREETYPE_H"

  1240.         echo "long check_func(void) { return (long) FT_Init_FreeType; }"

  1241.         echo "int main(void) { return 0; }"

  1242.     } | check_ld "cc" $pkg_cflags $pkg_libs \

  1243.       && set_safe ${pkg}_cflags $pkg_cflags \

  1244.       && set_safe ${pkg}_libs   $pkg_libs \

  1245.       || die "ERROR: $pkg not found"

  1246.     add_cflags    $(get_safe ${pkg}_cflags)

  1247.     add_extralibs $(get_safe ${pkg}_libs)

  1248. }

  1249. 

  1250. hostcc_e(){

  1251.     eval printf '%s\\n' $HOSTCC_E

  1252. }

  1253. 

  1254. hostcc_o(){

  1255.     eval printf '%s\\n' $HOSTCC_O

  1256. }

  1257. 

  1258. check_host_cc(){

  1259.     log check_host_cc "$@"

  1260.     cat > $TMPC

  1261.     log_file $TMPC

  1262.     check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC

  1263. }

  1264. 

  1265. check_host_cpp(){

  1266.     log check_host_cpp "$@"

  1267.     cat > $TMPC

  1268.     log_file $TMPC

  1269.     check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC

  1270. }

  1271. 

  1272. check_host_cppflags(){

  1273.     log check_host_cppflags "$@"

  1274.     check_host_cc "$@" <<EOF && append host_cppflags "$@"

  1275. int x;

  1276. EOF

  1277. }

  1278. 

  1279. check_host_cflags(){

  1280.     log check_host_cflags "$@"

  1281.     set -- $($host_cflags_filter "$@")

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

  1283. int x;

  1284. EOF

  1285. }

  1286. 

  1287. check_host_cpp_condition(){

  1288.     log check_host_cpp_condition "$@"

  1289.     header=$1

  1290.     condition=$2

  1291.     shift 2

  1292.     check_host_cpp "$@" <<EOF

  1293. #include <$header>

  1294. #if !($condition)

  1295. #error "unsatisfied condition: $condition"

  1296. #endif

  1297. EOF

  1298. }

  1299. 

  1300. apply(){

  1301.     file=$1

  1302.     shift

  1303.     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"

  1304. }

  1305. 

  1306. cp_if_changed(){

  1307.     cmp -s "$1" "$2" && echo "$2 is unchanged" && return

  1308.     mkdir -p "$(dirname $2)"

  1309.     $cp_f "$1" "$2"

  1310. }

  1311. 

  1312. # CONFIG_LIST contains configurable options, while HAVE_LIST is for

  1313. # system-dependent things.

  1314. 

  1315. COMPONENT_LIST="

  1316.     bsfs

  1317.     decoders

  1318.     demuxers

  1319.     encoders

  1320.     filters

  1321.     hwaccels

  1322.     indevs

  1323.     muxers

  1324.     outdevs

  1325.     parsers

  1326.     protocols

  1327. "

  1328. 

  1329. EXAMPLE_LIST="

  1330.     avio_reading_example

  1331.     avio_list_dir_example

  1332.     decoding_encoding_example

  1333.     demuxing_decoding_example

  1334.     extract_mvs_example

  1335.     filter_audio_example

  1336.     filtering_audio_example

  1337.     filtering_video_example

  1338.     metadata_example

  1339.     muxing_example

  1340.     qsvdec_example

  1341.     remuxing_example

  1342.     resampling_audio_example

  1343.     scaling_video_example

  1344.     transcode_aac_example

  1345.     transcoding_example

  1346. "

  1347. 

  1348. EXTERNAL_LIBRARY_LIST="

  1349.     avisynth

  1350.     bzlib

  1351.     crystalhd

  1352.     decklink

  1353.     frei0r

  1354.     gnutls

  1355.     iconv

  1356.     ladspa

  1357.     libaacplus

  1358.     libass

  1359.     libbluray

  1360.     libbs2b

  1361.     libcaca

  1362.     libcdio

  1363.     libcelt

  1364.     libdc1394

  1365.     libdcadec

  1366.     libfaac

  1367.     libfdk_aac

  1368.     libflite

  1369.     libfontconfig

  1370.     libfreetype

  1371.     libfribidi

  1372.     libgme

  1373.     libgsm

  1374.     libiec61883

  1375.     libilbc

  1376.     libmfx

  1377.     libmodplug

  1378.     libmp3lame

  1379.     libnut

  1380.     libopencore_amrnb

  1381.     libopencore_amrwb

  1382.     libopencv

  1383.     libopenh264

  1384.     libopenjpeg

  1385.     libopus

  1386.     libpulse

  1387.     libquvi

  1388.     librtmp

  1389.     libschroedinger

  1390.     libshine

  1391.     libsmbclient

  1392.     libsoxr

  1393.     libspeex

  1394.     libssh

  1395.     libstagefright_h264

  1396.     libtheora

  1397.     libtwolame

  1398.     libutvideo

  1399.     libv4l2

  1400.     libvidstab

  1401.     libvo_aacenc

  1402.     libvo_amrwbenc

  1403.     libvorbis

  1404.     libvpx

  1405.     libwavpack

  1406.     libwebp

  1407.     libx264

  1408.     libx265

  1409.     libxavs

  1410.     libxcb

  1411.     libxcb_shm

  1412.     libxcb_shape

  1413.     libxcb_xfixes

  1414.     libxvid

  1415.     libzmq

  1416.     libzvbi

  1417.     lzma

  1418.     mmal

  1419.     nvenc

  1420.     openal

  1421.     opencl

  1422.     opengl

  1423.     openssl

  1424.     sdl

  1425.     x11grab

  1426.     xlib

  1427.     zlib

  1428. "

  1429. 

  1430. DOCUMENT_LIST="

  1431.     doc

  1432.     htmlpages

  1433.     manpages

  1434.     podpages

  1435.     txtpages

  1436. "

  1437. 

  1438. FEATURE_LIST="

  1439.     ftrapv

  1440.     gray

  1441.     hardcoded_tables

  1442.     runtime_cpudetect

  1443.     safe_bitstream_reader

  1444.     shared

  1445.     small

  1446.     static

  1447.     swscale_alpha

  1448. "

  1449. 

  1450. HWACCEL_LIST="

  1451.     dxva2

  1452.     vaapi

  1453.     vda

  1454.     vdpau

  1455.     xvmc

  1456. "

  1457. 

  1458. LIBRARY_LIST="

  1459.     avcodec

  1460.     avdevice

  1461.     avfilter

  1462.     avformat

  1463.     avresample

  1464.     avutil

  1465.     postproc

  1466.     swresample

  1467.     swscale

  1468. "

  1469. 

  1470. LICENSE_LIST="

  1471.     gpl

  1472.     nonfree

  1473.     version3

  1474. "

  1475. 

  1476. PROGRAM_LIST="

  1477.     ffplay

  1478.     ffprobe

  1479.     ffserver

  1480.     ffmpeg

  1481. "

  1482. 

  1483. SUBSYSTEM_LIST="

  1484.     dct

  1485.     dwt

  1486.     error_resilience

  1487.     faan

  1488.     fast_unaligned

  1489.     fft

  1490.     lsp

  1491.     lzo

  1492.     mdct

  1493.     pixelutils

  1494.     network

  1495.     rdft

  1496. "

  1497. 

  1498. CONFIG_LIST="

  1499.     $COMPONENT_LIST

  1500.     $DOCUMENT_LIST

  1501.     $EXAMPLE_LIST

  1502.     $EXTERNAL_LIBRARY_LIST

  1503.     $FEATURE_LIST

  1504.     $HWACCEL_LIST

  1505.     $LICENSE_LIST

  1506.     $LIBRARY_LIST

  1507.     $PROGRAM_LIST

  1508.     $SUBSYSTEM_LIST

  1509.     fontconfig

  1510.     incompatible_libav_abi

  1511.     memalign_hack

  1512.     memory_poisoning

  1513.     neon_clobber_test

  1514.     pic

  1515.     pod2man

  1516.     raise_major

  1517.     thumb

  1518.     valgrind_backtrace

  1519.     xmm_clobber_test

  1520. "

  1521. 

  1522. THREADS_LIST="

  1523.     pthreads

  1524.     os2threads

  1525.     w32threads

  1526. "

  1527. 

  1528. ATOMICS_LIST="

  1529.     atomics_gcc

  1530.     atomics_suncc

  1531.     atomics_win32

  1532. "

  1533. 

  1534. ARCH_LIST="

  1535.     aarch64

  1536.     alpha

  1537.     arm

  1538.     avr32

  1539.     avr32_ap

  1540.     avr32_uc

  1541.     bfin

  1542.     ia64

  1543.     m68k

  1544.     mips

  1545.     mips64

  1546.     parisc

  1547.     ppc

  1548.     ppc64

  1549.     s390

  1550.     sh4

  1551.     sparc

  1552.     sparc64

  1553.     tilegx

  1554.     tilepro

  1555.     tomi

  1556.     x86

  1557.     x86_32

  1558.     x86_64

  1559. "

  1560. 

  1561. ARCH_EXT_LIST_ARM="

  1562.     armv5te

  1563.     armv6

  1564.     armv6t2

  1565.     armv8

  1566.     neon

  1567.     vfp

  1568.     vfpv3

  1569.     setend

  1570. "

  1571. 

  1572. ARCH_EXT_LIST_MIPS="

  1573.     mipsfpu

  1574.     mips32r2

  1575.     mips32r5

  1576.     mips64r6

  1577.     mipsdspr1

  1578.     mipsdspr2

  1579.     msa

  1580. "

  1581. 

  1582. ARCH_EXT_LIST_LOONGSON="

  1583.     loongson3

  1584. "

  1585. 

  1586. ARCH_EXT_LIST_X86_SIMD="

  1587.     amd3dnow

  1588.     amd3dnowext

  1589.     avx

  1590.     avx2

  1591.     fma3

  1592.     fma4

  1593.     mmx

  1594.     mmxext

  1595.     sse

  1596.     sse2

  1597.     sse3

  1598.     sse4

  1599.     sse42

  1600.     ssse3

  1601.     xop

  1602. "

  1603. 

  1604. ARCH_EXT_LIST_PPC="

  1605.     altivec

  1606.     dcbzl

  1607.     ldbrx

  1608.     ppc4xx

  1609.     vsx

  1610. "

  1611. 

  1612. ARCH_EXT_LIST_X86="

  1613.     $ARCH_EXT_LIST_X86_SIMD

  1614.     cpunop

  1615.     i686

  1616. "

  1617. 

  1618. ARCH_EXT_LIST="

  1619.     $ARCH_EXT_LIST_ARM

  1620.     $ARCH_EXT_LIST_PPC

  1621.     $ARCH_EXT_LIST_X86

  1622.     $ARCH_EXT_LIST_MIPS

  1623.     $ARCH_EXT_LIST_LOONGSON

  1624. "

  1625. 

  1626. ARCH_FEATURES="

  1627.     aligned_stack

  1628.     fast_64bit

  1629.     fast_clz

  1630.     fast_cmov

  1631.     local_aligned_8

  1632.     local_aligned_16

  1633.     local_aligned_32

  1634.     simd_align_16

  1635. "

  1636. 

  1637. BUILTIN_LIST="

  1638.     atomic_cas_ptr

  1639.     atomic_compare_exchange

  1640.     machine_rw_barrier

  1641.     MemoryBarrier

  1642.     mm_empty

  1643.     rdtsc

  1644.     sarestart

  1645.     sync_val_compare_and_swap

  1646. "

  1647. HAVE_LIST_CMDLINE="

  1648.     inline_asm

  1649.     symver

  1650.     yasm

  1651. "

  1652. 

  1653. HAVE_LIST_PUB="

  1654.     bigendian

  1655.     fast_unaligned

  1656.     incompatible_libav_abi

  1657. "

  1658. 

  1659. HEADERS_LIST="

  1660.     alsa_asoundlib_h

  1661.     altivec_h

  1662.     arpa_inet_h

  1663.     asm_types_h

  1664.     cdio_paranoia_h

  1665.     cdio_paranoia_paranoia_h

  1666.     dev_bktr_ioctl_bt848_h

  1667.     dev_bktr_ioctl_meteor_h

  1668.     dev_ic_bt8xx_h

  1669.     dev_video_bktr_ioctl_bt848_h

  1670.     dev_video_meteor_ioctl_meteor_h

  1671.     direct_h

  1672.     dlfcn_h

  1673.     dxva_h

  1674.     ES2_gl_h

  1675.     gsm_h

  1676.     io_h

  1677.     mach_mach_time_h

  1678.     machine_ioctl_bt848_h

  1679.     machine_ioctl_meteor_h

  1680.     malloc_h

  1681.     openjpeg_1_5_openjpeg_h

  1682.     OpenGL_gl3_h

  1683.     poll_h

  1684.     sndio_h

  1685.     soundcard_h

  1686.     sys_mman_h

  1687.     sys_param_h

  1688.     sys_resource_h

  1689.     sys_select_h

  1690.     sys_soundcard_h

  1691.     sys_time_h

  1692.     sys_un_h

  1693.     sys_videoio_h

  1694.     termios_h

  1695.     udplite_h

  1696.     unistd_h

  1697.     valgrind_valgrind_h

  1698.     windows_h

  1699.     winsock2_h

  1700. "

  1701. 

  1702. INTRINSICS_LIST="

  1703.     intrinsics_neon

  1704. "

  1705. 

  1706. MATH_FUNCS="

  1707.     atanf

  1708.     atan2f

  1709.     cbrt

  1710.     cbrtf

  1711.     cosf

  1712.     exp2

  1713.     exp2f

  1714.     expf

  1715.     isinf

  1716.     isnan

  1717.     ldexpf

  1718.     llrint

  1719.     llrintf

  1720.     log2

  1721.     log2f

  1722.     log10f

  1723.     lrint

  1724.     lrintf

  1725.     powf

  1726.     rint

  1727.     round

  1728.     roundf

  1729.     sinf

  1730.     trunc

  1731.     truncf

  1732. "

  1733. 

  1734. SYSTEM_FUNCS="

  1735.     access

  1736.     aligned_malloc

  1737.     clock_gettime

  1738.     closesocket

  1739.     CommandLineToArgvW

  1740.     CoTaskMemFree

  1741.     CryptGenRandom

  1742.     dlopen

  1743.     fcntl

  1744.     flt_lim

  1745.     fork

  1746.     getaddrinfo

  1747.     gethrtime

  1748.     getopt

  1749.     GetProcessAffinityMask

  1750.     GetProcessMemoryInfo

  1751.     GetProcessTimes

  1752.     getrusage

  1753.     getservbyport

  1754.     GetSystemTimeAsFileTime

  1755.     gettimeofday

  1756.     glob

  1757.     glXGetProcAddress

  1758.     gmtime_r

  1759.     inet_aton

  1760.     isatty

  1761.     jack_port_get_latency_range

  1762.     kbhit

  1763.     localtime_r

  1764.     lzo1x_999_compress

  1765.     mach_absolute_time

  1766.     MapViewOfFile

  1767.     memalign

  1768.     mkstemp

  1769.     mmap

  1770.     mprotect

  1771.     nanosleep

  1772.     PeekNamedPipe

  1773.     posix_memalign

  1774.     pthread_cancel

  1775.     sched_getaffinity

  1776.     SetConsoleTextAttribute

  1777.     setmode

  1778.     setrlimit

  1779.     Sleep

  1780.     strerror_r

  1781.     sysconf

  1782.     sysctl

  1783.     usleep

  1784.     VirtualAlloc

  1785.     wglGetProcAddress

  1786. "

  1787. 

  1788. TOOLCHAIN_FEATURES="

  1789.     as_dn_directive

  1790.     as_func

  1791.     as_object_arch

  1792.     asm_mod_q

  1793.     attribute_may_alias

  1794.     attribute_packed

  1795.     ebp_available

  1796.     ebx_available

  1797.     gnu_as

  1798.     gnu_windres

  1799.     ibm_asm

  1800.     inline_asm_labels

  1801.     inline_asm_nonlocal_labels

  1802.     inline_asm_direct_symbol_refs

  1803.     pragma_deprecated

  1804.     rsync_contimeout

  1805.     symver_asm_label

  1806.     symver_gnu_asm

  1807.     vfp_args

  1808.     xform_asm

  1809.     xmm_clobbers

  1810. "

  1811. 

  1812. TYPES_LIST="

  1813.     CONDITION_VARIABLE_Ptr

  1814.     DXVA_PicParams_HEVC

  1815.     socklen_t

  1816.     struct_addrinfo

  1817.     struct_group_source_req

  1818.     struct_ip_mreq_source

  1819.     struct_ipv6_mreq

  1820.     struct_pollfd

  1821.     struct_rusage_ru_maxrss

  1822.     struct_sctp_event_subscribe

  1823.     struct_sockaddr_in6

  1824.     struct_sockaddr_sa_len

  1825.     struct_sockaddr_storage

  1826.     struct_stat_st_mtim_tv_nsec

  1827.     struct_v4l2_frmivalenum_discrete

  1828. "

  1829. 

  1830. HAVE_LIST="

  1831.     $ARCH_EXT_LIST

  1832.     $(add_suffix _external $ARCH_EXT_LIST)

  1833.     $(add_suffix _inline   $ARCH_EXT_LIST)

  1834.     $ARCH_FEATURES

  1835.     $ATOMICS_LIST

  1836.     $BUILTIN_LIST

  1837.     $HAVE_LIST_CMDLINE

  1838.     $HAVE_LIST_PUB

  1839.     $HEADERS_LIST

  1840.     $INTRINSICS_LIST

  1841.     $MATH_FUNCS

  1842.     $SYSTEM_FUNCS

  1843.     $THREADS_LIST

  1844.     $TOOLCHAIN_FEATURES

  1845.     $TYPES_LIST

  1846.     atomics_native

  1847.     dos_paths

  1848.     dxva2api_cobj

  1849.     dxva2_lib

  1850.     libc_msvcrt

  1851.     libdc1394_1

  1852.     libdc1394_2

  1853.     makeinfo

  1854.     makeinfo_html

  1855.     perl

  1856.     pod2man

  1857.     sdl

  1858.     section_data_rel_ro

  1859.     texi2html

  1860.     threads

  1861.     vaapi_x11

  1862.     vdpau_x11

  1863.     xlib

  1864. "

  1865. 

  1866. # options emitted with CONFIG_ prefix but not available on the command line

  1867. CONFIG_EXTRA="

  1868.     aandcttables

  1869.     ac3dsp

  1870.     audio_frame_queue

  1871.     audiodsp

  1872.     blockdsp

  1873.     bswapdsp

  1874.     cabac

  1875.     dvprofile

  1876.     exif

  1877.     faandct

  1878.     faanidct

  1879.     fdctdsp

  1880.     fmtconvert

  1881.     frame_thread_encoder

  1882.     gcrypt

  1883.     golomb

  1884.     gplv3

  1885.     h263dsp

  1886.     h264chroma

  1887.     h264dsp

  1888.     h264pred

  1889.     h264qpel

  1890.     hpeldsp

  1891.     huffman

  1892.     huffyuvdsp

  1893.     huffyuvencdsp

  1894.     idctdsp

  1895.     iirfilter

  1896.     imdct15

  1897.     intrax8

  1898.     jpegtables

  1899.     lgplv3

  1900.     llauddsp

  1901.     llviddsp

  1902.     lpc

  1903.     me_cmp

  1904.     mpeg_er

  1905.     mpegaudio

  1906.     mpegaudiodsp

  1907.     mpegvideo

  1908.     mpegvideoenc

  1909.     nettle

  1910.     pixblockdsp

  1911.     qpeldsp

  1912.     qsv

  1913.     qsvdec

  1914.     qsvenc

  1915.     rangecoder

  1916.     riffdec

  1917.     riffenc

  1918.     rtpdec

  1919.     rtpenc_chain

  1920.     sinewin

  1921.     startcode

  1922.     tpeldsp

  1923.     videodsp

  1924.     vp3dsp

  1925.     wma_freqs

  1926. "

  1927. 

  1928. CMDLINE_SELECT="

  1929.     $ARCH_EXT_LIST

  1930.     $CONFIG_LIST

  1931.     $HAVE_LIST_CMDLINE

  1932.     $THREADS_LIST

  1933.     asm

  1934.     cross_compile

  1935.     debug

  1936.     extra_warnings

  1937.     logging

  1938.     lto

  1939.     optimizations

  1940.     rpath

  1941.     stripping

  1942. "

  1943. 

  1944. PATHS_LIST="

  1945.     bindir

  1946.     datadir

  1947.     docdir

  1948.     incdir

  1949.     libdir

  1950.     mandir

  1951.     prefix

  1952.     shlibdir

  1953. "

  1954. 

  1955. CMDLINE_SET="

  1956.     $PATHS_LIST

  1957.     ar

  1958.     arch

  1959.     as

  1960.     assert_level

  1961.     build_suffix

  1962.     cc

  1963.     cpu

  1964.     cross_prefix

  1965.     cxx

  1966.     dep_cc

  1967.     doxygen

  1968.     extra_version

  1969.     gas

  1970.     host_cc

  1971.     host_cflags

  1972.     host_ld

  1973.     host_ldflags

  1974.     host_libs

  1975.     host_os

  1976.     install

  1977.     ld

  1978.     logfile

  1979.     malloc_prefix

  1980.     nm

  1981.     optflags

  1982.     pkg_config

  1983.     pkg_config_flags

  1984.     progs_suffix

  1985.     random_seed

  1986.     ranlib

  1987.     samples

  1988.     strip

  1989.     sws_max_filter_size

  1990.     sysinclude

  1991.     sysroot

  1992.     target_exec

  1993.     target_os

  1994.     target_path

  1995.     target_samples

  1996.     tempprefix

  1997.     toolchain

  1998.     valgrind

  1999.     yasmexe

  2000. "

  2001. 

  2002. CMDLINE_APPEND="

  2003.     extra_cflags

  2004.     extra_cxxflags

  2005.     host_cppflags

  2006. "

  2007. 

  2008. # code dependency declarations

  2009. 

  2010. # architecture extensions

  2011. 

  2012. armv5te_deps="arm"

  2013. armv6_deps="arm"

  2014. armv6t2_deps="arm"

  2015. armv8_deps="aarch64"

  2016. neon_deps_any="aarch64 arm"

  2017. intrinsics_neon_deps="neon"

  2018. vfp_deps_any="aarch64 arm"

  2019. vfpv3_deps="vfp"

  2020. setend_deps="arm"

  2021. 

  2022. map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM

  2023. 

  2024. mipsfpu_deps="mips"

  2025. mipsdspr1_deps="mips"

  2026. mipsdspr2_deps="mips"

  2027. mips32r2_deps="mips"

  2028. mips32r5_deps="mips"

  2029. mips64r6_deps="mips"

  2030. msa_deps="mips"

  2031. loongson3_deps="mips"

  2032. 

  2033. altivec_deps="ppc"

  2034. dcbzl_deps="ppc"

  2035. ldbrx_deps="ppc"

  2036. ppc4xx_deps="ppc"

  2037. vsx_deps="ppc"

  2038. 

  2039. cpunop_deps="i686"

  2040. x86_64_select="i686"

  2041. x86_64_suggest="fast_cmov"

  2042. 

  2043. amd3dnow_deps="mmx"

  2044. amd3dnowext_deps="amd3dnow"

  2045. i686_deps="x86"

  2046. mmx_deps="x86"

  2047. mmxext_deps="mmx"

  2048. sse_deps="mmxext"

  2049. sse2_deps="sse"

  2050. sse3_deps="sse2"

  2051. ssse3_deps="sse3"

  2052. sse4_deps="ssse3"

  2053. sse42_deps="sse4"

  2054. avx_deps="sse42"

  2055. xop_deps="avx"

  2056. fma3_deps="avx"

  2057. fma4_deps="avx"

  2058. avx2_deps="avx"

  2059. 

  2060. mmx_external_deps="yasm"

  2061. mmx_inline_deps="inline_asm"

  2062. mmx_suggest="mmx_external mmx_inline"

  2063. 

  2064. for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do

  2065.     eval dep=\$${ext}_deps

  2066.     eval ${ext}_external_deps='"${dep}_external"'

  2067.     eval ${ext}_inline_deps='"${dep}_inline"'

  2068.     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'

  2069. done

  2070. 

  2071. aligned_stack_if_any="aarch64 ppc x86"

  2072. fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"

  2073. fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"

  2074. fast_unaligned_if_any="aarch64 ppc x86"

  2075. simd_align_16_if_any="altivec neon sse"

  2076. 

  2077. # system capabilities

  2078. symver_if_any="symver_asm_label symver_gnu_asm"

  2079. valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"

  2080. 

  2081. # threading support

  2082. atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"

  2083. atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"

  2084. atomics_win32_if="MemoryBarrier"

  2085. atomics_native_if_any="$ATOMICS_LIST"

  2086. w32threads_deps="atomics_native"

  2087. threads_if_any="$THREADS_LIST"

  2088. 

  2089. # subsystems

  2090. dct_select="rdft"

  2091. error_resilience_select="me_cmp"

  2092. faandct_deps="faan fdctdsp"

  2093. faanidct_deps="faan idctdsp"

  2094. frame_thread_encoder_deps="encoders threads"

  2095. intrax8_select="error_resilience"

  2096. mdct_select="fft"

  2097. rdft_select="fft"

  2098. me_cmp_select="fdctdsp idctdsp pixblockdsp"

  2099. mpeg_er_select="error_resilience"

  2100. mpegaudio_select="mpegaudiodsp"

  2101. mpegaudiodsp_select="dct"

  2102. mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp videodsp"

  2103. mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"

  2104. qsvdec_select="qsv"

  2105. qsvenc_select="qsv"

  2106. 

  2107. # decoders / encoders

  2108. aac_decoder_select="imdct15 mdct sinewin"

  2109. aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"

  2110. aac_latm_decoder_select="aac_decoder aac_latm_parser"

  2111. ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"

  2112. ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"

  2113. ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2114. ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2115. aic_decoder_select="golomb idctdsp"

  2116. alac_encoder_select="lpc"

  2117. als_decoder_select="bswapdsp"

  2118. amrnb_decoder_select="lsp"

  2119. amrwb_decoder_select="lsp"

  2120. amv_decoder_select="sp5x_decoder exif"

  2121. amv_encoder_select="aandcttables jpegtables mpegvideoenc"

  2122. ape_decoder_select="bswapdsp llauddsp"

  2123. apng_decoder_select="zlib"

  2124. apng_encoder_select="huffyuvencdsp zlib"

  2125. asv1_decoder_select="blockdsp bswapdsp idctdsp"

  2126. asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2127. asv2_decoder_select="blockdsp bswapdsp idctdsp"

  2128. asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2129. atrac1_decoder_select="mdct sinewin"

  2130. atrac3_decoder_select="mdct"

  2131. atrac3p_decoder_select="mdct sinewin"

  2132. avrn_decoder_select="exif jpegtables"

  2133. bink_decoder_select="blockdsp hpeldsp"

  2134. binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"

  2135. binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"

  2136. cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"

  2137. cllc_decoder_select="bswapdsp"

  2138. comfortnoise_encoder_select="lpc"

  2139. cook_decoder_select="audiodsp mdct sinewin"

  2140. cscd_decoder_select="lzo"

  2141. cscd_decoder_suggest="zlib"

  2142. dca_decoder_select="fmtconvert mdct"

  2143. dirac_decoder_select="dwt golomb videodsp mpegvideoenc"

  2144. dnxhd_decoder_select="blockdsp idctdsp"

  2145. dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"

  2146. dvvideo_decoder_select="dvprofile idctdsp"

  2147. dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"

  2148. dxa_decoder_select="zlib"

  2149. eac3_decoder_select="ac3_decoder"

  2150. eac3_encoder_select="ac3_encoder"

  2151. eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"

  2152. eatgq_decoder_select="aandcttables"

  2153. eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"

  2154. exr_decoder_select="zlib"

  2155. ffv1_decoder_select="golomb rangecoder"

  2156. ffv1_encoder_select="rangecoder"

  2157. ffvhuff_decoder_select="huffyuv_decoder"

  2158. ffvhuff_encoder_select="huffyuv_encoder"

  2159. fic_decoder_select="golomb"

  2160. flac_decoder_select="golomb"

  2161. flac_encoder_select="bswapdsp golomb lpc"

  2162. flashsv_decoder_select="zlib"

  2163. flashsv_encoder_select="zlib"

  2164. flashsv2_encoder_select="zlib"

  2165. flashsv2_decoder_select="zlib"

  2166. flv_decoder_select="h263_decoder"

  2167. flv_encoder_select="h263_encoder"

  2168. fourxm_decoder_select="blockdsp bswapdsp"

  2169. fraps_decoder_select="bswapdsp huffman"

  2170. g2m_decoder_select="blockdsp idctdsp jpegtables zlib"

  2171. g729_decoder_select="audiodsp"

  2172. h261_decoder_select="mpeg_er mpegvideo"

  2173. h261_encoder_select="aandcttables mpegvideoenc"

  2174. h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"

  2175. h263_encoder_select="aandcttables h263dsp mpegvideoenc"

  2176. h263i_decoder_select="h263_decoder"

  2177. h263p_decoder_select="h263_decoder"

  2178. h263p_encoder_select="h263_encoder"

  2179. h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"

  2180. h264_decoder_suggest="error_resilience"

  2181. h264_qsv_decoder_deps="libmfx"

  2182. h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"

  2183. h264_qsv_encoder_deps="libmfx"

  2184. h264_qsv_encoder_select="qsvenc"

  2185. hevc_decoder_select="bswapdsp cabac golomb videodsp"

  2186. huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"

  2187. huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"

  2188. iac_decoder_select="imc_decoder"

  2189. imc_decoder_select="bswapdsp fft mdct sinewin"

  2190. indeo3_decoder_select="hpeldsp"

  2191. interplay_video_decoder_select="hpeldsp"

  2192. jpegls_decoder_select="golomb mjpeg_decoder"

  2193. jpegls_encoder_select="golomb"

  2194. jv_decoder_select="blockdsp"

  2195. lagarith_decoder_select="huffyuvdsp"

  2196. ljpeg_encoder_select="aandcttables idctdsp jpegtables"

  2197. loco_decoder_select="golomb"

  2198. mdec_decoder_select="blockdsp idctdsp mpegvideo"

  2199. metasound_decoder_select="lsp mdct sinewin"

  2200. mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"

  2201. mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"

  2202. mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"

  2203. mjpegb_decoder_select="mjpeg_decoder"

  2204. mlp_decoder_select="mlp_parser"

  2205. motionpixels_decoder_select="bswapdsp"

  2206. mp1_decoder_select="mpegaudio"

  2207. mp1float_decoder_select="mpegaudio"

  2208. mp2_decoder_select="mpegaudio"

  2209. mp2float_decoder_select="mpegaudio"

  2210. mp3_decoder_select="mpegaudio"

  2211. mp3adu_decoder_select="mpegaudio"

  2212. mp3adufloat_decoder_select="mpegaudio"

  2213. mp3float_decoder_select="mpegaudio"

  2214. mp3on4_decoder_select="mpegaudio"

  2215. mp3on4float_decoder_select="mpegaudio"

  2216. mpc7_decoder_select="bswapdsp mpegaudiodsp"

  2217. mpc8_decoder_select="mpegaudiodsp"

  2218. mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"

  2219. mpeg_xvmc_decoder_select="mpeg2video_decoder"

  2220. mpegvideo_decoder_select="error_resilience mpeg_er mpegvideo"

  2221. mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"

  2222. mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2223. mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"

  2224. mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2225. mpeg4_decoder_select="h263_decoder mpeg4video_parser"

  2226. mpeg4_encoder_select="h263_encoder"

  2227. msmpeg4v1_decoder_select="h263_decoder"

  2228. msmpeg4v2_decoder_select="h263_decoder"

  2229. msmpeg4v2_encoder_select="h263_encoder"

  2230. msmpeg4v3_decoder_select="h263_decoder"

  2231. msmpeg4v3_encoder_select="h263_encoder"

  2232. mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"

  2233. mxpeg_decoder_select="mjpeg_decoder"

  2234. nellymoser_decoder_select="mdct sinewin"

  2235. nellymoser_encoder_select="audio_frame_queue mdct sinewin"

  2236. nuv_decoder_select="idctdsp lzo"

  2237. on2avc_decoder_select="mdct"

  2238. opus_decoder_deps="swresample"

  2239. opus_decoder_select="imdct15"

  2240. png_decoder_select="zlib"

  2241. png_encoder_select="huffyuvencdsp zlib"

  2242. prores_decoder_select="blockdsp idctdsp"

  2243. prores_encoder_select="fdctdsp"

  2244. qcelp_decoder_select="lsp"

  2245. qdm2_decoder_select="mdct rdft mpegaudiodsp"

  2246. ra_144_encoder_select="audio_frame_queue lpc audiodsp"

  2247. ra_144_decoder_select="audiodsp"

  2248. ralf_decoder_select="golomb"

  2249. rawvideo_decoder_select="bswapdsp"

  2250. rtjpeg_decoder_select="me_cmp"

  2251. rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"

  2252. rv10_encoder_select="h263_encoder"

  2253. rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"

  2254. rv20_encoder_select="h263_encoder"

  2255. rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"

  2256. rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"

  2257. shorten_decoder_select="golomb"

  2258. sipr_decoder_select="lsp"

  2259. snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"

  2260. snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"

  2261. sonic_decoder_select="golomb rangecoder"

  2262. sonic_encoder_select="golomb rangecoder"

  2263. sonic_ls_encoder_select="golomb rangecoder"

  2264. sp5x_decoder_select="mjpeg_decoder"

  2265. svq1_decoder_select="hpeldsp"

  2266. svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"

  2267. svq3_decoder_select="h264_decoder hpeldsp tpeldsp"

  2268. svq3_decoder_suggest="zlib"

  2269. tak_decoder_select="audiodsp"

  2270. tdsc_decoder_select="zlib mjpeg_decoder"

  2271. theora_decoder_select="vp3_decoder"

  2272. thp_decoder_select="mjpeg_decoder"

  2273. tiff_decoder_suggest="zlib lzma"

  2274. tiff_encoder_suggest="zlib"

  2275. truehd_decoder_select="mlp_parser"

  2276. truemotion2_decoder_select="bswapdsp"

  2277. truespeech_decoder_select="bswapdsp"

  2278. tscc_decoder_select="zlib"

  2279. twinvq_decoder_select="mdct lsp sinewin"

  2280. utvideo_decoder_select="bswapdsp"

  2281. utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"

  2282. vble_decoder_select="huffyuvdsp"

  2283. vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode"

  2284. vc1image_decoder_select="vc1_decoder"

  2285. vorbis_decoder_select="mdct"

  2286. vorbis_encoder_select="mdct"

  2287. vp3_decoder_select="hpeldsp vp3dsp videodsp"

  2288. vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"

  2289. vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"

  2290. vp6a_decoder_select="vp6_decoder"

  2291. vp6f_decoder_select="vp6_decoder"

  2292. vp7_decoder_select="h264pred videodsp"

  2293. vp8_decoder_select="h264pred videodsp"

  2294. vp9_decoder_select="videodsp vp9_parser"

  2295. webp_decoder_select="vp8_decoder"

  2296. wmalossless_decoder_select="llauddsp"

  2297. wmapro_decoder_select="mdct sinewin wma_freqs"

  2298. wmav1_decoder_select="mdct sinewin wma_freqs"

  2299. wmav1_encoder_select="mdct sinewin wma_freqs"

  2300. wmav2_decoder_select="mdct sinewin wma_freqs"

  2301. wmav2_encoder_select="mdct sinewin wma_freqs"

  2302. wmavoice_decoder_select="lsp rdft dct mdct sinewin"

  2303. wmv1_decoder_select="h263_decoder"

  2304. wmv1_encoder_select="h263_encoder"

  2305. wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp"

  2306. wmv2_encoder_select="h263_encoder"

  2307. wmv3_decoder_select="vc1_decoder"

  2308. wmv3image_decoder_select="wmv3_decoder"

  2309. zerocodec_decoder_select="zlib"

  2310. zlib_decoder_select="zlib"

  2311. zlib_encoder_select="zlib"

  2312. zmbv_decoder_select="zlib"

  2313. zmbv_encoder_select="zlib"

  2314. 

  2315. # hardware accelerators

  2316. crystalhd_deps="libcrystalhd_libcrystalhd_if_h"

  2317. dxva2_deps="dxva2api_h"

  2318. vaapi_deps="va_va_h"

  2319. vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"

  2320. vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"

  2321. vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"

  2322. xvmc_deps="X11_extensions_XvMClib_h"

  2323. 

  2324. h263_vaapi_hwaccel_deps="vaapi"

  2325. h263_vaapi_hwaccel_select="h263_decoder"

  2326. h263_vdpau_hwaccel_deps="vdpau"

  2327. h263_vdpau_hwaccel_select="h263_decoder"

  2328. h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"

  2329. h264_dxva2_hwaccel_deps="dxva2"

  2330. h264_dxva2_hwaccel_select="h264_decoder"

  2331. h264_mmal_decoder_deps="mmal"

  2332. h264_mmal_hwaccel_deps="mmal"

  2333. h264_mmal_decoder_select="h264_decoder"

  2334. h264_mmal_encoder_deps="mmal"

  2335. h264_qsv_hwaccel_deps="libmfx"

  2336. h264_vaapi_hwaccel_deps="vaapi"

  2337. h264_vaapi_hwaccel_select="h264_decoder"

  2338. h264_vda_decoder_deps="vda"

  2339. h264_vda_decoder_select="h264_decoder"

  2340. h264_vda_hwaccel_deps="vda"

  2341. h264_vda_hwaccel_select="h264_decoder"

  2342. h264_vda_old_hwaccel_deps="vda"

  2343. h264_vda_old_hwaccel_select="h264_decoder"

  2344. h264_vdpau_decoder_deps="vdpau"

  2345. h264_vdpau_decoder_select="h264_decoder"

  2346. h264_vdpau_hwaccel_deps="vdpau"

  2347. h264_vdpau_hwaccel_select="h264_decoder"

  2348. hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"

  2349. hevc_dxva2_hwaccel_select="hevc_decoder"

  2350. mpeg_vdpau_decoder_deps="vdpau"

  2351. mpeg_vdpau_decoder_select="mpeg2video_decoder"

  2352. mpeg_xvmc_hwaccel_deps="xvmc"

  2353. mpeg_xvmc_hwaccel_select="mpeg2video_decoder"

  2354. mpeg1_vdpau_decoder_deps="vdpau"

  2355. mpeg1_vdpau_decoder_select="mpeg1video_decoder"

  2356. mpeg1_vdpau_hwaccel_deps="vdpau"

  2357. mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"

  2358. mpeg1_xvmc_hwaccel_deps="xvmc"

  2359. mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"

  2360. mpeg2_crystalhd_decoder_select="crystalhd"

  2361. mpeg2_dxva2_hwaccel_deps="dxva2"

  2362. mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"

  2363. mpeg2_vaapi_hwaccel_deps="vaapi"

  2364. mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"

  2365. mpeg2_vdpau_hwaccel_deps="vdpau"

  2366. mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"

  2367. mpeg2_xvmc_hwaccel_deps="xvmc"

  2368. mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"

  2369. mpeg4_crystalhd_decoder_select="crystalhd"

  2370. mpeg4_vaapi_hwaccel_deps="vaapi"

  2371. mpeg4_vaapi_hwaccel_select="mpeg4_decoder"

  2372. mpeg4_vdpau_decoder_deps="vdpau"

  2373. mpeg4_vdpau_decoder_select="mpeg4_decoder"

  2374. mpeg4_vdpau_hwaccel_deps="vdpau"

  2375. mpeg4_vdpau_hwaccel_select="mpeg4_decoder"

  2376. msmpeg4_crystalhd_decoder_select="crystalhd"

  2377. vc1_crystalhd_decoder_select="crystalhd"

  2378. vc1_dxva2_hwaccel_deps="dxva2"

  2379. vc1_dxva2_hwaccel_select="vc1_decoder"

  2380. vc1_vaapi_hwaccel_deps="vaapi"

  2381. vc1_vaapi_hwaccel_select="vc1_decoder"

  2382. vc1_vdpau_decoder_deps="vdpau"

  2383. vc1_vdpau_decoder_select="vc1_decoder"

  2384. vc1_vdpau_hwaccel_deps="vdpau"

  2385. vc1_vdpau_hwaccel_select="vc1_decoder"

  2386. wmv3_crystalhd_decoder_select="crystalhd"

  2387. wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"

  2388. wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"

  2389. wmv3_vdpau_decoder_select="vc1_vdpau_decoder"

  2390. wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"

  2391. 

  2392. # parsers

  2393. h264_parser_select="h264_decoder"

  2394. hevc_parser_select="hevc_decoder"

  2395. mpegvideo_parser_select="mpegvideo"

  2396. mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"

  2397. vc1_parser_select="mpegvideo startcode vc1_decoder"

  2398. 

  2399. # bitstream_filters

  2400. mjpeg2jpeg_bsf_select="jpegtables"

  2401. 

  2402. # external libraries

  2403. libaacplus_encoder_deps="libaacplus"

  2404. libcelt_decoder_deps="libcelt"

  2405. libdcadec_decoder_deps="libdcadec"

  2406. libfaac_encoder_deps="libfaac"

  2407. libfaac_encoder_select="audio_frame_queue"

  2408. libfdk_aac_decoder_deps="libfdk_aac"

  2409. libfdk_aac_encoder_deps="libfdk_aac"

  2410. libfdk_aac_encoder_select="audio_frame_queue"

  2411. libgme_demuxer_deps="libgme"

  2412. libgsm_decoder_deps="libgsm"

  2413. libgsm_encoder_deps="libgsm"

  2414. libgsm_ms_decoder_deps="libgsm"

  2415. libgsm_ms_encoder_deps="libgsm"

  2416. libilbc_decoder_deps="libilbc"

  2417. libilbc_encoder_deps="libilbc"

  2418. libmodplug_demuxer_deps="libmodplug"

  2419. libmp3lame_encoder_deps="libmp3lame"

  2420. libmp3lame_encoder_select="audio_frame_queue"

  2421. libopencore_amrnb_decoder_deps="libopencore_amrnb"

  2422. libopencore_amrnb_encoder_deps="libopencore_amrnb"

  2423. libopencore_amrnb_encoder_select="audio_frame_queue"

  2424. libopencore_amrwb_decoder_deps="libopencore_amrwb"

  2425. libopenh264_encoder_deps="libopenh264"

  2426. libopenjpeg_decoder_deps="libopenjpeg"

  2427. libopenjpeg_encoder_deps="libopenjpeg"

  2428. libopus_decoder_deps="libopus"

  2429. libopus_encoder_deps="libopus"

  2430. libopus_encoder_select="audio_frame_queue"

  2431. libquvi_demuxer_deps="libquvi"

  2432. libschroedinger_decoder_deps="libschroedinger"

  2433. libschroedinger_encoder_deps="libschroedinger"

  2434. libshine_encoder_deps="libshine"

  2435. libshine_encoder_select="audio_frame_queue"

  2436. libspeex_decoder_deps="libspeex"

  2437. libspeex_encoder_deps="libspeex"

  2438. libspeex_encoder_select="audio_frame_queue"

  2439. libstagefright_h264_decoder_deps="libstagefright_h264"

  2440. libtheora_encoder_deps="libtheora"

  2441. libtwolame_encoder_deps="libtwolame"

  2442. libvo_aacenc_encoder_deps="libvo_aacenc"

  2443. libvo_aacenc_encoder_select="audio_frame_queue"

  2444. libvo_amrwbenc_encoder_deps="libvo_amrwbenc"

  2445. libvorbis_decoder_deps="libvorbis"

  2446. libvorbis_encoder_deps="libvorbis"

  2447. libvorbis_encoder_select="audio_frame_queue"

  2448. libvpx_vp8_decoder_deps="libvpx"

  2449. libvpx_vp8_encoder_deps="libvpx"

  2450. libvpx_vp9_decoder_deps="libvpx"

  2451. libvpx_vp9_encoder_deps="libvpx"

  2452. libwavpack_encoder_deps="libwavpack"

  2453. libwebp_encoder_deps="libwebp"

  2454. libwebp_anim_encoder_deps="libwebp"

  2455. libx264_encoder_deps="libx264"

  2456. libx264rgb_encoder_deps="libx264"

  2457. libx264rgb_encoder_select="libx264_encoder"

  2458. libx265_encoder_deps="libx265"

  2459. libxavs_encoder_deps="libxavs"

  2460. libxvid_encoder_deps="libxvid"

  2461. libutvideo_decoder_deps="libutvideo"

  2462. libutvideo_encoder_deps="libutvideo"

  2463. libzvbi_teletext_decoder_deps="libzvbi"

  2464. nvenc_encoder_deps="nvenc"

  2465. nvenc_h265_encoder_deps="nvenc"

  2466. 

  2467. # demuxers / muxers

  2468. ac3_demuxer_select="ac3_parser"

  2469. asf_demuxer_select="riffdec"

  2470. asf_muxer_select="riffenc"

  2471. asf_stream_muxer_select="asf_muxer"

  2472. avi_demuxer_select="riffdec exif"

  2473. avi_muxer_select="riffenc"

  2474. avisynth_demuxer_deps="avisynth"

  2475. avisynth_demuxer_select="riffdec"

  2476. caf_demuxer_select="riffdec"

  2477. dash_muxer_select="mp4_muxer"

  2478. dirac_demuxer_select="dirac_parser"

  2479. dts_demuxer_select="dca_parser"

  2480. dtshd_demuxer_select="dca_parser"

  2481. dv_demuxer_select="dvprofile"

  2482. dv_muxer_select="dvprofile"

  2483. dxa_demuxer_select="riffdec"

  2484. eac3_demuxer_select="ac3_parser"

  2485. f4v_muxer_select="mov_muxer"

  2486. flac_demuxer_select="flac_parser"

  2487. hds_muxer_select="flv_muxer"

  2488. hls_muxer_select="mpegts_muxer"

  2489. image2_alias_pix_demuxer_select="image2_demuxer"

  2490. image2_brender_pix_demuxer_select="image2_demuxer"

  2491. ipod_muxer_select="mov_muxer"

  2492. ismv_muxer_select="mov_muxer"

  2493. libnut_demuxer_deps="libnut"

  2494. libnut_muxer_deps="libnut"

  2495. matroska_audio_muxer_select="matroska_muxer"

  2496. matroska_demuxer_select="riffdec"

  2497. matroska_demuxer_suggest="bzlib lzo zlib"

  2498. matroska_muxer_select="riffenc"

  2499. mmf_muxer_select="riffenc"

  2500. mov_demuxer_select="riffdec"

  2501. mov_demuxer_suggest="zlib"

  2502. mov_muxer_select="riffenc rtpenc_chain"

  2503. mp3_demuxer_select="mpegaudio_parser"

  2504. mp4_muxer_select="mov_muxer"

  2505. mpegts_muxer_select="adts_muxer latm_muxer"

  2506. mpegtsraw_demuxer_select="mpegts_demuxer"

  2507. mxf_d10_muxer_select="mxf_muxer"

  2508. mxf_opatom_muxer_select="mxf_muxer"

  2509. nut_muxer_select="riffenc"

  2510. nuv_demuxer_select="riffdec"

  2511. oga_muxer_select="ogg_muxer"

  2512. ogg_demuxer_select="golomb"

  2513. opus_muxer_select="ogg_muxer"

  2514. psp_muxer_select="mov_muxer"

  2515. rtp_demuxer_select="sdp_demuxer"

  2516. rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"

  2517. rtsp_demuxer_select="http_protocol rtpdec"

  2518. rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"

  2519. sap_demuxer_select="sdp_demuxer"

  2520. sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"

  2521. sdp_demuxer_select="rtpdec"

  2522. smoothstreaming_muxer_select="ismv_muxer"

  2523. spdif_muxer_select="aac_parser"

  2524. spx_muxer_select="ogg_muxer"

  2525. tak_demuxer_select="tak_parser"

  2526. tg2_muxer_select="mov_muxer"

  2527. tgp_muxer_select="mov_muxer"

  2528. vobsub_demuxer_select="mpegps_demuxer"

  2529. w64_demuxer_select="wav_demuxer"

  2530. w64_muxer_select="wav_muxer"

  2531. wav_demuxer_select="riffdec"

  2532. wav_muxer_select="riffenc"

  2533. webm_muxer_select="riffenc"

  2534. wtv_demuxer_select="riffdec"

  2535. wtv_muxer_select="riffenc"

  2536. xmv_demuxer_select="riffdec"

  2537. xwma_demuxer_select="riffdec"

  2538. 

  2539. # indevs / outdevs

  2540. alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"

  2541. alsa_outdev_deps="alsa_asoundlib_h"

  2542. avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"

  2543. avfoundation_indev_select="avfoundation"

  2544. bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"

  2545. caca_outdev_deps="libcaca"

  2546. decklink_outdev_deps="decklink pthreads"

  2547. decklink_outdev_extralibs="-lstdc++"

  2548. decklink_indev_deps="decklink pthreads"

  2549. decklink_indev_extralibs="-lstdc++"

  2550. dshow_indev_deps="IBaseFilter"

  2551. dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"

  2552. dv1394_indev_deps="dv1394"

  2553. dv1394_indev_select="dv_demuxer"

  2554. fbdev_indev_deps="linux_fb_h"

  2555. fbdev_outdev_deps="linux_fb_h"

  2556. gdigrab_indev_deps="CreateDIBSection"

  2557. gdigrab_indev_extralibs="-lgdi32"

  2558. gdigrab_indev_select="bmp_decoder"

  2559. iec61883_indev_deps="libiec61883"

  2560. jack_indev_deps="jack_jack_h sem_timedwait"

  2561. lavfi_indev_deps="avfilter"

  2562. libcdio_indev_deps="libcdio"

  2563. libdc1394_indev_deps="libdc1394"

  2564. libv4l2_indev_deps="libv4l2"

  2565. openal_indev_deps="openal"

  2566. opengl_outdev_deps="opengl"

  2567. oss_indev_deps_any="soundcard_h sys_soundcard_h"

  2568. oss_outdev_deps_any="soundcard_h sys_soundcard_h"

  2569. pulse_indev_deps="libpulse"

  2570. pulse_outdev_deps="libpulse"

  2571. qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"

  2572. qtkit_indev_select="qtkit"

  2573. sdl_outdev_deps="sdl"

  2574. sndio_indev_deps="sndio_h"

  2575. sndio_outdev_deps="sndio_h"

  2576. v4l_indev_deps="linux_videodev_h"

  2577. v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"

  2578. v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"

  2579. vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"

  2580. vfwcap_indev_extralibs="-lavicap32"

  2581. xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"

  2582. xv_outdev_extralibs="-lXv -lX11 -lXext"

  2583. x11grab_indev_deps="x11grab"

  2584. x11grab_xcb_indev_deps="libxcb"

  2585. 

  2586. # protocols

  2587. bluray_protocol_deps="libbluray"

  2588. ffrtmpcrypt_protocol_deps="!librtmp_protocol"

  2589. ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"

  2590. ffrtmpcrypt_protocol_select="tcp_protocol"

  2591. ffrtmphttp_protocol_deps="!librtmp_protocol"

  2592. ffrtmphttp_protocol_select="http_protocol"

  2593. ftp_protocol_select="tcp_protocol"

  2594. gopher_protocol_select="network"

  2595. http_protocol_select="tcp_protocol"

  2596. httpproxy_protocol_select="tcp_protocol"

  2597. https_protocol_select="tls_protocol"

  2598. icecast_protocol_select="http_protocol"

  2599. librtmp_protocol_deps="librtmp"

  2600. librtmpe_protocol_deps="librtmp"

  2601. librtmps_protocol_deps="librtmp"

  2602. librtmpt_protocol_deps="librtmp"

  2603. librtmpte_protocol_deps="librtmp"

  2604. libsmbclient_protocol_deps="libsmbclient gplv3"

  2605. libssh_protocol_deps="libssh"

  2606. mmsh_protocol_select="http_protocol"

  2607. mmst_protocol_select="network"

  2608. rtmp_protocol_deps="!librtmp_protocol"

  2609. rtmp_protocol_select="tcp_protocol"

  2610. rtmpe_protocol_select="ffrtmpcrypt_protocol"

  2611. rtmps_protocol_deps="!librtmp_protocol"

  2612. rtmps_protocol_select="tls_protocol"

  2613. rtmpt_protocol_select="ffrtmphttp_protocol"

  2614. rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"

  2615. rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"

  2616. rtp_protocol_select="udp_protocol"

  2617. sctp_protocol_deps="struct_sctp_event_subscribe"

  2618. sctp_protocol_select="network"

  2619. srtp_protocol_select="rtp_protocol"

  2620. tcp_protocol_select="network"

  2621. tls_protocol_deps_any="openssl gnutls"

  2622. tls_protocol_select="tcp_protocol"

  2623. udp_protocol_select="network"

  2624. udplite_protocol_select="network"

  2625. unix_protocol_deps="sys_un_h"

  2626. unix_protocol_select="network"

  2627. 

  2628. # filters

  2629. amovie_filter_deps="avcodec avformat"

  2630. aresample_filter_deps="swresample"

  2631. ass_filter_deps="libass"

  2632. asyncts_filter_deps="avresample"

  2633. atempo_filter_deps="avcodec"

  2634. atempo_filter_select="rdft"

  2635. azmq_filter_deps="libzmq"

  2636. blackframe_filter_deps="gpl"

  2637. boxblur_filter_deps="gpl"

  2638. bs2b_filter_deps="libbs2b"

  2639. colormatrix_filter_deps="gpl"

  2640. cover_rect_filter_deps="avcodec avformat gpl"

  2641. cropdetect_filter_deps="gpl"

  2642. delogo_filter_deps="gpl"

  2643. deshake_filter_select="pixelutils"

  2644. drawtext_filter_deps="libfreetype"

  2645. ebur128_filter_deps="gpl"

  2646. eq_filter_deps="gpl"

  2647. fftfilt_filter_deps="avcodec"

  2648. fftfilt_filter_select="rdft"

  2649. flite_filter_deps="libflite"

  2650. find_rect_filter_deps="avcodec avformat gpl"

  2651. frei0r_filter_deps="frei0r dlopen"

  2652. frei0r_src_filter_deps="frei0r dlopen"

  2653. fspp_filter_deps="gpl"

  2654. geq_filter_deps="gpl"

  2655. histeq_filter_deps="gpl"

  2656. hqdn3d_filter_deps="gpl"

  2657. interlace_filter_deps="gpl"

  2658. kerndeint_filter_deps="gpl"

  2659. ladspa_filter_deps="ladspa dlopen"

  2660. mcdeint_filter_deps="avcodec gpl"

  2661. movie_filter_deps="avcodec avformat"

  2662. mpdecimate_filter_deps="gpl"

  2663. mpdecimate_filter_select="pixelutils"

  2664. mptestsrc_filter_deps="gpl"

  2665. negate_filter_deps="lut_filter"

  2666. perspective_filter_deps="gpl"

  2667. pp7_filter_deps="gpl"

  2668. ocv_filter_deps="libopencv"

  2669. owdenoise_filter_deps="gpl"

  2670. pan_filter_deps="swresample"

  2671. phase_filter_deps="gpl"

  2672. pp_filter_deps="gpl postproc"

  2673. pullup_filter_deps="gpl"

  2674. removelogo_filter_deps="avcodec avformat swscale"

  2675. repeatfields_filter_deps="gpl"

  2676. resample_filter_deps="avresample"

  2677. sab_filter_deps="gpl swscale"

  2678. scale_filter_deps="swscale"

  2679. select_filter_select="pixelutils"

  2680. smartblur_filter_deps="gpl swscale"

  2681. showspectrum_filter_deps="avcodec"

  2682. showspectrum_filter_select="rdft"

  2683. spp_filter_deps="gpl avcodec"

  2684. spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"

  2685. stereo3d_filter_deps="gpl"

  2686. subtitles_filter_deps="avformat avcodec libass"

  2687. super2xsai_filter_deps="gpl"

  2688. tinterlace_filter_deps="gpl"

  2689. vidstabdetect_filter_deps="libvidstab"

  2690. vidstabtransform_filter_deps="libvidstab"

  2691. pixfmts_super2xsai_test_deps="super2xsai_filter"

  2692. tinterlace_merge_test_deps="tinterlace_filter"

  2693. tinterlace_pad_test_deps="tinterlace_filter"

  2694. uspp_filter_deps="gpl avcodec"

  2695. zmq_filter_deps="libzmq"

  2696. zoompan_filter_deps="swscale"

  2697. 

  2698. # examples

  2699. avio_reading="avformat avcodec avutil"

  2700. avio_list_dir="avformat avutil"

  2701. avcodec_example_deps="avcodec avutil"

  2702. decoding_encoding_example_deps="avcodec avformat avutil"

  2703. demuxing_decoding_example_deps="avcodec avformat avutil"

  2704. extract_mvs_example_deps="avcodec avformat avutil"

  2705. filter_audio_example_deps="avfilter avutil"

  2706. filtering_audio_example_deps="avfilter avcodec avformat avutil"

  2707. filtering_video_example_deps="avfilter avcodec avformat avutil"

  2708. metadata_example_deps="avformat avutil"

  2709. muxing_example_deps="avcodec avformat avutil swscale"

  2710. qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"

  2711. remuxing_example_deps="avcodec avformat avutil"

  2712. resampling_audio_example_deps="avutil swresample"

  2713. scaling_video_example_deps="avutil swscale"

  2714. transcode_aac_example_deps="avcodec avformat swresample"

  2715. transcoding_example_deps="avfilter avcodec avformat avutil"

  2716. 

  2717. # libraries, in linking order

  2718. avcodec_deps="avutil"

  2719. avdevice_deps="avformat avcodec avutil"

  2720. avfilter_deps="avutil"

  2721. avformat_deps="avcodec avutil"

  2722. avresample_deps="avutil"

  2723. postproc_deps="avutil gpl"

  2724. swresample_deps="avutil"

  2725. swscale_deps="avutil"

  2726. 

  2727. # programs

  2728. ffmpeg_deps="avcodec avfilter avformat swresample"

  2729. ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter

  2730.                null_filter

  2731.                setpts_filter trim_filter"

  2732. ffplay_deps="avcodec avformat swscale swresample sdl"

  2733. ffplay_libs='$sdl_libs'

  2734. ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"

  2735. ffprobe_deps="avcodec avformat"

  2736. ffserver_deps="avformat fork sarestart"

  2737. ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"

  2738. 

  2739. # documentation

  2740. podpages_deps="perl"

  2741. manpages_deps="perl pod2man"

  2742. htmlpages_deps="perl"

  2743. htmlpages_deps_any="makeinfo_html texi2html"

  2744. txtpages_deps="perl makeinfo"

  2745. doc_deps_any="manpages htmlpages podpages txtpages"

  2746. 

  2747. # default parameters

  2748. 

  2749. logfile="config.log"

  2750. 

  2751. # installation paths

  2752. prefix_default="/usr/local"

  2753. bindir_default='${prefix}/bin'

  2754. datadir_default='${prefix}/share/ffmpeg'

  2755. docdir_default='${prefix}/share/doc/ffmpeg'

  2756. incdir_default='${prefix}/include'

  2757. libdir_default='${prefix}/lib'

  2758. mandir_default='${prefix}/share/man'

  2759. 

  2760. # toolchain

  2761. ar_default="ar"

  2762. cc_default="gcc"

  2763. cxx_default="g++"

  2764. host_cc_default="gcc"

  2765. cp_f="cp -f"

  2766. doxygen_default="doxygen"

  2767. install="install"

  2768. ln_s="ln -s -f"

  2769. nm_default="nm -g"

  2770. objformat="elf"

  2771. pkg_config_default=pkg-config

  2772. if ranlib 2>&1 | grep -q "\-D "; then

  2773.     ranlib_default="ranlib -D"

  2774. else

  2775.     ranlib_default="ranlib"

  2776. fi

  2777. strip_default="strip"

  2778. yasmexe_default="yasm"

  2779. windres_default="windres"

  2780. 

  2781. # OS

  2782. target_os_default=$(tolower $(uname -s))

  2783. host_os=$target_os_default

  2784. 

  2785. # machine

  2786. if test "$target_os_default" = aix; then

  2787.     arch_default=$(uname -p)

  2788.     strip_default="strip -X32_64"

  2789. else

  2790.     arch_default=$(uname -m)

  2791. fi

  2792. cpu="generic"

  2793. intrinsics="none"

  2794. 

  2795. # configurable options

  2796. enable $PROGRAM_LIST

  2797. enable $DOCUMENT_LIST

  2798. enable $EXAMPLE_LIST

  2799. enable $(filter_out avresample $LIBRARY_LIST)

  2800. enable stripping

  2801. 

  2802. enable asm

  2803. enable debug

  2804. enable doc

  2805. enable faan faandct faanidct

  2806. enable optimizations

  2807. enable runtime_cpudetect

  2808. enable safe_bitstream_reader

  2809. enable static

  2810. enable swscale_alpha

  2811. enable valgrind_backtrace

  2812. 

  2813. sws_max_filter_size_default=256

  2814. set_default sws_max_filter_size

  2815. 

  2816. # Enable hwaccels by default.

  2817. enable dxva2 vaapi vda vdpau xvmc

  2818. enable xlib

  2819. 

  2820. # build settings

  2821. SHFLAGS='-shared -Wl,-soname,$$(@F)'

  2822. LIBPREF="lib"

  2823. LIBSUF=".a"

  2824. FULLNAME='$(NAME)$(BUILDSUF)'

  2825. LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'

  2826. SLIBPREF="lib"

  2827. SLIBSUF=".so"

  2828. SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'

  2829. SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'

  2830. SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'

  2831. LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'

  2832. SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'

  2833. SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'

  2834. 

  2835. asflags_filter=echo

  2836. cflags_filter=echo

  2837. ldflags_filter=echo

  2838. 

  2839. AS_C='-c'

  2840. AS_O='-o $@'

  2841. CC_C='-c'

  2842. CC_E='-E -o $@'

  2843. CC_O='-o $@'

  2844. CXX_C='-c'

  2845. CXX_O='-o $@'

  2846. LD_O='-o $@'

  2847. LD_LIB='-l%'

  2848. LD_PATH='-L'

  2849. HOSTCC_C='-c'

  2850. HOSTCC_E='-E -o $@'

  2851. HOSTCC_O='-o $@'

  2852. HOSTLD_O='-o $@'

  2853. 

  2854. host_libs='-lm'

  2855. host_cflags_filter=echo

  2856. host_ldflags_filter=echo

  2857. 

  2858. target_path='$(CURDIR)'

  2859. 

  2860. # since the object filename is not given with the -MM flag, the compiler

  2861. # is only able to print the basename, and we must add the path ourselves

  2862. DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'

  2863. DEPFLAGS='-MM'

  2864. 

  2865. # find source path

  2866. if test -f configure; then

  2867.     source_path=.

  2868. else

  2869.     source_path=$(cd $(dirname "$0"); pwd)

  2870.     echo "$source_path" | grep -q '[[:blank:]]' &&

  2871.         die "Out of tree builds are impossible with whitespace in source path."

  2872.     test -e "$source_path/config.h" &&

  2873.         die "Out of tree builds are impossible with config.h in source dir."

  2874. fi

  2875. 

  2876. for v in "$@"; do

  2877.     r=${v#*=}

  2878.     l=${v%"$r"}

  2879.     r=$(sh_quote "$r")

  2880.     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"

  2881. done

  2882. 

  2883. find_things(){

  2884.     thing=$1

  2885.     pattern=$2

  2886.     file=$source_path/$3

  2887.     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"

  2888. }

  2889. 

  2890. ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)

  2891. DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)

  2892. HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)

  2893. PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)

  2894. BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)

  2895. MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)

  2896. DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)

  2897. OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)

  2898. INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)

  2899. PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)

  2900. FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)

  2901. 

  2902. ALL_COMPONENTS="

  2903.     $BSF_LIST

  2904.     $DECODER_LIST

  2905.     $DEMUXER_LIST

  2906.     $ENCODER_LIST

  2907.     $FILTER_LIST

  2908.     $HWACCEL_LIST

  2909.     $INDEV_LIST

  2910.     $MUXER_LIST

  2911.     $OUTDEV_LIST

  2912.     $PARSER_LIST

  2913.     $PROTOCOL_LIST

  2914. "

  2915. 

  2916. for n in $COMPONENT_LIST; do

  2917.     v=$(toupper ${n%s})_LIST

  2918.     eval enable \$$v

  2919.     eval ${n}_if_any="\$$v"

  2920. done

  2921. 

  2922. enable $ARCH_EXT_LIST

  2923. 

  2924. die_unknown(){

  2925.     echo "Unknown option \"$1\"."

  2926.     echo "See $0 --help for available options."

  2927.     exit 1

  2928. }

  2929. 

  2930. print_3_columns() {

  2931.     cat | tr ' ' '\n' | sort | pr -r -3 -t

  2932. }

  2933. 

  2934. show_list() {

  2935.     suffix=_$1

  2936.     shift

  2937.     echo $* | sed s/$suffix//g | print_3_columns

  2938.     exit 0

  2939. }

  2940. 

  2941. rand_list(){

  2942.     IFS=', '

  2943.     set -- $*

  2944.     unset IFS

  2945.     for thing; do

  2946.         comp=${thing%:*}

  2947.         prob=${thing#$comp}

  2948.         prob=${prob#:}

  2949.         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST

  2950.         echo "prob ${prob:-0.5}"

  2951.         printf '%s\n' $comp

  2952.     done

  2953. }

  2954. 

  2955. do_random(){

  2956.     action=$1

  2957.     shift

  2958.     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")

  2959.     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")

  2960. }

  2961. 

  2962. for opt do

  2963.     optval="${opt#*=}"

  2964.     case "$opt" in

  2965.         --extra-ldflags=*)

  2966.             add_ldflags $optval

  2967.         ;;

  2968.         --extra-ldexeflags=*)

  2969.             add_ldexeflags $optval

  2970.         ;;

  2971.         --extra-libs=*)

  2972.             add_extralibs $optval

  2973.         ;;

  2974.         --disable-devices)

  2975.             disable $INDEV_LIST $OUTDEV_LIST

  2976.         ;;

  2977.         --enable-debug=*)

  2978.             debuglevel="$optval"

  2979.         ;;

  2980.         --disable-programs)

  2981.             disable $PROGRAM_LIST

  2982.         ;;

  2983.         --disable-everything)

  2984.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  2985.         ;;

  2986.         --disable-all)

  2987.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  2988.             disable $LIBRARY_LIST $PROGRAM_LIST doc

  2989.         ;;

  2990.         --enable-random|--disable-random)

  2991.             action=${opt%%-random}

  2992.             do_random ${action#--} $COMPONENT_LIST

  2993.         ;;

  2994.         --enable-random=*|--disable-random=*)

  2995.             action=${opt%%-random=*}

  2996.             do_random ${action#--} $optval

  2997.         ;;

  2998.         --enable-*=*|--disable-*=*)

  2999.             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')

  3000.             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"

  3001.             eval list=\$$(toupper $thing)_LIST

  3002.             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}

  3003.             list=$(filter "$name" $list)

  3004.             [ "$list" = "" ] && warn "Option $opt did not match anything"

  3005.             $action $list

  3006.         ;;

  3007.         --enable-?*|--disable-?*)

  3008.             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')

  3009.             if is_in $option $COMPONENT_LIST; then

  3010.                 test $action = disable && action=unset

  3011.                 eval $action \$$(toupper ${option%s})_LIST

  3012.             elif is_in $option $CMDLINE_SELECT; then

  3013.                 $action $option

  3014.             else

  3015.                 die_unknown $opt

  3016.             fi

  3017.         ;;

  3018.         --list-*)

  3019.             NAME="${opt#--list-}"

  3020.             is_in $NAME $COMPONENT_LIST || die_unknown $opt

  3021.             NAME=${NAME%s}

  3022.             eval show_list $NAME \$$(toupper $NAME)_LIST

  3023.         ;;

  3024.         --help|-h) show_help

  3025.         ;;

  3026.         --fatal-warnings) enable fatal_warnings

  3027.         ;;

  3028.         *)

  3029.             optname="${opt%%=*}"

  3030.             optname="${optname#--}"

  3031.             optname=$(echo "$optname" | sed 's/-/_/g')

  3032.             if is_in $optname $CMDLINE_SET; then

  3033.                 eval $optname='$optval'

  3034.             elif is_in $optname $CMDLINE_APPEND; then

  3035.                 append $optname "$optval"

  3036.             else

  3037.                 die_unknown $opt

  3038.             fi

  3039.         ;;

  3040.     esac

  3041. done

  3042. 

  3043. disabled logging && logfile=/dev/null

  3044. 

  3045. echo "# $0 $FFMPEG_CONFIGURATION" > $logfile

  3046. set >> $logfile

  3047. 

  3048. test -n "$valgrind" && toolchain="valgrind-memcheck"

  3049. 

  3050. case "$toolchain" in

  3051.     clang-asan)

  3052.         cc_default="clang"

  3053.         add_cflags  -fsanitize=address

  3054.         add_ldflags -fsanitize=address

  3055.     ;;

  3056.     clang-tsan)

  3057.         cc_default="clang"

  3058.         add_cflags  -fsanitize=thread -pie

  3059.         add_ldflags -fsanitize=thread -pie

  3060.     ;;

  3061.     clang-usan)

  3062.         cc_default="clang"

  3063.         add_cflags  -fsanitize=undefined

  3064.         add_ldflags -fsanitize=undefined

  3065.     ;;

  3066.     gcc-asan)

  3067.         cc_default="gcc"

  3068.         add_cflags  -fsanitize=address

  3069.         add_ldflags -fsanitize=address

  3070.     ;;

  3071.     gcc-tsan)

  3072.         cc_default="gcc"

  3073.         add_cflags  -fsanitize=thread -pie -fPIC

  3074.         add_ldflags -fsanitize=thread -pie -fPIC

  3075.     ;;

  3076.     gcc-usan)

  3077.         cc_default="gcc"

  3078.         add_cflags  -fsanitize=undefined

  3079.         add_ldflags -fsanitize=undefined

  3080.     ;;

  3081.     valgrind-massif)

  3082.         target_exec_default=${valgrind:-"valgrind"}

  3083.         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"

  3084.     ;;

  3085.     valgrind-memcheck)

  3086.         target_exec_default=${valgrind:-"valgrind"}

  3087.         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"

  3088.     ;;

  3089.     msvc)

  3090.         # Check whether the current MSVC version needs the C99 converter.

  3091.         # From MSVC 2013 (compiler major version 18) onwards, it does actually

  3092.         # support enough of C99 to build ffmpeg. Default to the new

  3093.         # behaviour if the regexp was unable to match anything, since this

  3094.         # successfully parses the version number of existing supported

  3095.         # versions that require the converter (MSVC 2010 and 2012).

  3096.         cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')

  3097.         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then

  3098.             cc_default="cl"

  3099.         else

  3100.             cc_default="c99wrap cl"

  3101.         fi

  3102.         ld_default="link"

  3103.         nm_default="dumpbin -symbols"

  3104.         ar_default="lib"

  3105.         target_os_default="win32"

  3106.         # Use a relative path for TMPDIR. This makes sure all the

  3107.         # ffconf temp files are written with a relative path, avoiding

  3108.         # issues with msys/win32 path conversion for MSVC parameters

  3109.         # such as -Fo<file> or -out:<file>.

  3110.         TMPDIR=.

  3111.     ;;

  3112.     icl)

  3113.         cc_default="icl"

  3114.         ld_default="xilink"

  3115.         nm_default="dumpbin -symbols"

  3116.         ar_default="xilib"

  3117.         target_os_default="win32"

  3118.         TMPDIR=.

  3119.     ;;

  3120.     gcov)

  3121.         add_cflags  -fprofile-arcs -ftest-coverage

  3122.         add_ldflags -fprofile-arcs -ftest-coverage

  3123.     ;;

  3124.     hardened)

  3125.         add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2

  3126.         add_cflags   -fno-strict-overflow -fstack-protector-all

  3127.         add_ldflags  -Wl,-z,relro -Wl,-z,now

  3128.     ;;

  3129.     ?*)

  3130.         die "Unknown toolchain $toolchain"

  3131.     ;;

  3132. esac

  3133. 

  3134. test -n "$cross_prefix" && enable cross_compile

  3135. 

  3136. if enabled cross_compile; then

  3137.     test -n "$arch" && test -n "$target_os" ||

  3138.         die "Must specify target arch and OS when cross-compiling"

  3139. fi

  3140. 

  3141. ar_default="${cross_prefix}${ar_default}"

  3142. cc_default="${cross_prefix}${cc_default}"

  3143. cxx_default="${cross_prefix}${cxx_default}"

  3144. nm_default="${cross_prefix}${nm_default}"

  3145. pkg_config_default="${cross_prefix}${pkg_config_default}"

  3146. ranlib_default="${cross_prefix}${ranlib_default}"

  3147. strip_default="${cross_prefix}${strip_default}"

  3148. windres_default="${cross_prefix}${windres_default}"

  3149. 

  3150. sysinclude_default="${sysroot}/usr/include"

  3151. 

  3152. set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \

  3153.     target_exec target_os yasmexe

  3154. enabled cross_compile || host_cc_default=$cc

  3155. set_default host_cc

  3156. 

  3157. pkg_config_fail_message=""

  3158. if ! $pkg_config --version >/dev/null 2>&1; then

  3159.     warn "$pkg_config not found, library detection may fail."

  3160.     pkg_config=false

  3161. elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then

  3162.     pkg_config_fail_message="

  3163. Note: When building a static binary, add --pkg-config-flags=\"--static\"."

  3164. fi

  3165. 

  3166. if test $doxygen != $doxygen_default && \

  3167.   ! $doxygen --version >/dev/null 2>&1; then

  3168.     warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."

  3169. fi

  3170. 

  3171. exesuf() {

  3172.     case $1 in

  3173.         mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;

  3174.     esac

  3175. }

  3176. 

  3177. EXESUF=$(exesuf $target_os)

  3178. HOSTEXESUF=$(exesuf $host_os)

  3179. 

  3180. # set temporary file name

  3181. : ${TMPDIR:=$TEMPDIR}

  3182. : ${TMPDIR:=$TMP}

  3183. : ${TMPDIR:=/tmp}

  3184. 

  3185. if [ -n "$tempprefix" ] ; then

  3186.     mktemp(){

  3187.         echo $tempprefix.${HOSTNAME}.${UID}

  3188.     }

  3189. elif ! check_cmd mktemp -u XXXXXX; then

  3190.     # simple replacement for missing mktemp

  3191.     # NOT SAFE FOR GENERAL USE

  3192.     mktemp(){

  3193.         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"

  3194.     }

  3195. fi

  3196. 

  3197. tmpfile(){

  3198.     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&

  3199.         (set -C; exec > $tmp) 2>/dev/null ||

  3200.         die "Unable to create temporary file in $TMPDIR."

  3201.     append TMPFILES $tmp

  3202.     eval $1=$tmp

  3203. }

  3204. 

  3205. trap 'rm -f -- $TMPFILES' EXIT

  3206. 

  3207. tmpfile TMPASM .asm

  3208. tmpfile TMPC   .c

  3209. tmpfile TMPCPP .cpp

  3210. tmpfile TMPE   $EXESUF

  3211. tmpfile TMPH   .h

  3212. tmpfile TMPM   .m

  3213. tmpfile TMPO   .o

  3214. tmpfile TMPS   .S

  3215. tmpfile TMPSH  .sh

  3216. tmpfile TMPV   .ver

  3217. 

  3218. unset -f mktemp

  3219. 

  3220. chmod +x $TMPE

  3221. 

  3222. # make sure we can execute files in $TMPDIR

  3223. cat > $TMPSH 2>> $logfile <<EOF

  3224. #! /bin/sh

  3225. EOF

  3226. chmod +x $TMPSH >> $logfile 2>&1

  3227. if ! $TMPSH >> $logfile 2>&1; then

  3228.     cat <<EOF

  3229. Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment

  3230. variable to another directory and make sure that it is not mounted noexec.

  3231. EOF

  3232.     die "Sanity test failed."

  3233. fi

  3234. 

  3235. armasm_flags(){

  3236.     for flag; do

  3237.         case $flag in

  3238.             # Filter out MSVC cl.exe options from cflags that shouldn't

  3239.             # be passed to gas-preprocessor

  3240.             -M[TD]*)                                            ;;

  3241.             *)                  echo $flag                      ;;

  3242.         esac

  3243.    done

  3244. }

  3245. 

  3246. ccc_flags(){

  3247.     for flag; do

  3248.         case $flag in

  3249.             -std=c99)           echo -c99                       ;;

  3250.             -mcpu=*)            echo -arch ${flag#*=}           ;;

  3251.             -mieee)             echo -ieee                      ;;

  3252.             -O*|-fast)          echo $flag                      ;;

  3253.             -fno-math-errno)    echo -assume nomath_errno       ;;

  3254.             -g)                 echo -g3                        ;;

  3255.             -Wall)              echo -msg_enable level2         ;;

  3256.             -Wno-pointer-sign)  echo -msg_disable ptrmismatch1  ;;

  3257.             -Wl,*)              echo $flag                      ;;

  3258.             -f*|-W*)                                            ;;

  3259.             *)                  echo $flag                      ;;

  3260.         esac

  3261.    done

  3262. }

  3263. 

  3264. cparser_flags(){

  3265.     for flag; do

  3266.         case $flag in

  3267.             -Wno-switch)             echo -Wno-switch-enum ;;

  3268.             -Wno-format-zero-length) ;;

  3269.             -Wdisabled-optimization) ;;

  3270.             -Wno-pointer-sign)       echo -Wno-other ;;

  3271.             *)                       echo $flag ;;

  3272.         esac

  3273.     done

  3274. }

  3275. 

  3276. msvc_common_flags(){

  3277.     for flag; do

  3278.         case $flag in

  3279.             # In addition to specifying certain flags under the compiler

  3280.             # specific filters, they must be specified here as well or else the

  3281.             # generic catch all at the bottom will print the original flag.

  3282.             -Wall)                ;;

  3283.             -std=c99)             ;;

  3284.             # Common flags

  3285.             -fomit-frame-pointer) ;;

  3286.             -g)                   echo -Z7 ;;

  3287.             -fno-math-errno)      ;;

  3288.             -fno-common)          ;;

  3289.             -fno-signed-zeros)    ;;

  3290.             -fPIC)                ;;

  3291.             -mthumb)              ;;

  3292.             -march=*)             ;;

  3293.             -lz)                  echo zlib.lib ;;

  3294.             -lavifil32)           echo vfw32.lib ;;

  3295.             -lavicap32)           echo vfw32.lib user32.lib ;;

  3296.             -l*)                  echo ${flag#-l}.lib ;;

  3297.             -L*)                  echo -libpath:${flag#-L} ;;

  3298.             *)                    echo $flag ;;

  3299.         esac

  3300.     done

  3301. }

  3302. 

  3303. msvc_flags(){

  3304.     msvc_common_flags "$@"

  3305.     for flag; do

  3306.         case $flag in

  3307.             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389     \

  3308.                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \

  3309.                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \

  3310.                                        -wd4307 \

  3311.                                        -wd4273 -wd4554 -wd4701 ;;

  3312.         esac

  3313.     done

  3314. }

  3315. 

  3316. icl_flags(){

  3317.     msvc_common_flags "$@"

  3318.     for flag; do

  3319.         case $flag in

  3320.             # Despite what Intel's documentation says -Wall, which is supported

  3321.             # on Windows, does enable remarks so disable them here.

  3322.             -Wall)                echo $flag -Qdiag-disable:remark ;;

  3323.             -std=c99)             echo -Qstd=c99 ;;

  3324.             -flto)                echo -ipo ;;

  3325.         esac

  3326.     done

  3327. }

  3328. 

  3329. icc_flags(){

  3330.     for flag; do

  3331.         case $flag in

  3332.             -flto)                echo -ipo ;;

  3333.             *)                    echo $flag ;;

  3334.         esac

  3335.     done

  3336. }

  3337. 

  3338. pgi_flags(){

  3339.     for flag; do

  3340.         case $flag in

  3341.             -flto)                echo -Mipa=fast,libopt,libinline,vestigial ;;

  3342.             -fomit-frame-pointer) echo -Mnoframe ;;

  3343.             -g)                   echo -gopt ;;

  3344.             *)                    echo $flag ;;

  3345.         esac

  3346.     done

  3347. }

  3348. 

  3349. suncc_flags(){

  3350.     for flag; do

  3351.         case $flag in

  3352.             -march=*|-mcpu=*)

  3353.                 case "${flag#*=}" in

  3354.                     native)                   echo -xtarget=native       ;;

  3355.                     v9|niagara)               echo -xarch=sparc          ;;

  3356.                     ultrasparc)               echo -xarch=sparcvis       ;;

  3357.                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;

  3358.                     i586|pentium)             echo -xchip=pentium        ;;

  3359.                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;

  3360.                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;

  3361.                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;

  3362.                     pentium4*)          echo -xtarget=pentium4           ;;

  3363.                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;

  3364.                     *-sse3)             echo -xarch=sse3                 ;;

  3365.                     core2)              echo -xarch=ssse3 -xchip=core2   ;;

  3366.                     bonnell)                   echo -xarch=ssse3         ;;

  3367.                     corei7|nehalem)            echo -xtarget=nehalem     ;;

  3368.                     westmere)                  echo -xtarget=westmere    ;;

  3369.                     silvermont)                echo -xarch=sse4_2        ;;

  3370.                     corei7-avx|sandybridge)    echo -xtarget=sandybridge ;;

  3371.                     core-avx*|ivybridge|haswell|broadwell)

  3372.                                                echo -xarch=avx           ;;

  3373.                     amdfam10|barcelona)        echo -xtarget=barcelona   ;;

  3374.                     btver1)                    echo -xarch=amdsse4a      ;;

  3375.                     btver2|bdver*)             echo -xarch=avx           ;;

  3376.                     athlon-4|athlon-[mx]p)     echo -xarch=ssea          ;;

  3377.                     k8|opteron|athlon64|athlon-fx)

  3378.                                                echo -xarch=sse2a         ;;

  3379.                     athlon*)                   echo -xarch=pentium_proa  ;;

  3380.                 esac

  3381.                 ;;

  3382.             -std=c99)             echo -xc99              ;;

  3383.             -fomit-frame-pointer) echo -xregs=frameptr    ;;

  3384.             -fPIC)                echo -KPIC -xcode=pic32 ;;

  3385.             -W*,*)                echo $flag              ;;

  3386.             -f*-*|-W*|-mimpure-text)                      ;;

  3387.             -shared)              echo -G                 ;;

  3388.             *)                    echo $flag              ;;

  3389.         esac

  3390.     done

  3391. }

  3392. 

  3393. tms470_flags(){

  3394.     for flag; do

  3395.         case $flag in

  3396.             -march=*|-mcpu=*)

  3397.                 case "${flag#*=}" in

  3398.                     armv7-a|cortex-a*)      echo -mv=7a8 ;;

  3399.                     armv7-r|cortex-r*)      echo -mv=7r4 ;;

  3400.                     armv7-m|cortex-m*)      echo -mv=7m3 ;;

  3401.                     armv6*|arm11*)          echo -mv=6   ;;

  3402.                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])

  3403.                                             echo -mv=5e  ;;

  3404.                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;

  3405.                 esac

  3406.                 ;;

  3407.             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;

  3408.             -mfpu=vfp)      echo --float_support=vfpv2        ;;

  3409.             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;

  3410.             -mfpu=vfpv3-d16) echo --float_support=vfpv3d16    ;;

  3411.             -msoft-float)   echo --float_support=vfplib       ;;

  3412.             -O[0-3]|-mf=*)  echo $flag                        ;;

  3413.             -g)             echo -g -mn                       ;;

  3414.             -pds=*)         echo $flag                        ;;

  3415.             -D*|-I*)        echo $flag                        ;;

  3416.             --gcc|--abi=*)  echo $flag                        ;;

  3417.             -me)            echo $flag                        ;;

  3418.         esac

  3419.     done

  3420. }

  3421. 

  3422. probe_cc(){

  3423.     pfx=$1

  3424.     _cc=$2

  3425. 

  3426.     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags

  3427.     unset _ld_o _ldflags _ld_lib _ld_path

  3428.     unset _depflags _DEPCMD _DEPFLAGS

  3429.     _flags_filter=echo

  3430. 

  3431.     if $_cc --version 2>&1 | grep -q '^GNU assembler'; then

  3432.         true # no-op to avoid reading stdin in following checks

  3433.     elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then

  3434.         _type=llvm_gcc

  3435.         gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')

  3436.         _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"

  3437.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3438.         _cflags_speed='-O3'

  3439.         _cflags_size='-Os'

  3440.     elif $_cc -v 2>&1 | grep -qi ^gcc; then

  3441.         _type=gcc

  3442.         gcc_version=$($_cc --version | head -n1)

  3443.         gcc_basever=$($_cc -dumpversion)

  3444.         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')

  3445.         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")

  3446.         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")

  3447.         if ! $_cc -dumpversion | grep -q '^2\.'; then

  3448.             _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3449.         fi

  3450.         _cflags_speed='-O3'

  3451.         _cflags_size='-Os'

  3452.     elif $_cc --version 2>/dev/null | grep -q ^icc; then

  3453.         _type=icc

  3454.         _ident=$($_cc --version | head -n1)

  3455.         _depflags='-MMD'

  3456.         _cflags_speed='-O3'

  3457.         _cflags_size='-Os'

  3458.         _cflags_noopt='-O1'

  3459.         _flags_filter=icc_flags

  3460.     elif $_cc -v 2>&1 | grep -q xlc; then

  3461.         _type=xlc

  3462.         _ident=$($_cc -qversion 2>/dev/null | head -n1)

  3463.         _cflags_speed='-O5'

  3464.         _cflags_size='-O5 -qcompact'

  3465.     elif $_cc -V 2>/dev/null | grep -q Compaq; then

  3466.         _type=ccc

  3467.         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)

  3468.         _DEPFLAGS='-M'

  3469.         _cflags_speed='-fast'

  3470.         _cflags_size='-O1'

  3471.         _flags_filter=ccc_flags

  3472.     elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then

  3473.         test -d "$sysroot" || die "No valid sysroot specified."

  3474.         _type=armcc

  3475.         _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')

  3476.         armcc_conf="$PWD/armcc.conf"

  3477.         $_cc --arm_linux_configure                 \

  3478.              --arm_linux_config_file="$armcc_conf" \

  3479.              --configure_sysroot="$sysroot"        \

  3480.              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||

  3481.              die "Error creating armcc configuration file."

  3482.         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc

  3483.         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"

  3484.         as_default="${cross_prefix}gcc"

  3485.         _depflags='-MMD'

  3486.         _cflags_speed='-O3'

  3487.         _cflags_size='-Os'

  3488.     elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then

  3489.         _type=tms470

  3490.         _ident=$($_cc -version | head -n1 | tr -s ' ')

  3491.         _flags='--gcc --abi=eabi -me'

  3492.         _cc_e='-ppl -fe=$@'

  3493.         _cc_o='-fe=$@'

  3494.         _depflags='-ppa -ppd=$(@:.o=.d)'

  3495.         _cflags_speed='-O3 -mf=5'

  3496.         _cflags_size='-O3 -mf=2'

  3497.         _flags_filter=tms470_flags

  3498.     elif $_cc -v 2>&1 | grep -q clang; then

  3499.         _type=clang

  3500.         _ident=$($_cc --version | head -n1)

  3501.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3502.         _cflags_speed='-O3'

  3503.         _cflags_size='-Os'

  3504.     elif $_cc -V 2>&1 | grep -q Sun; then

  3505.         _type=suncc

  3506.         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)

  3507.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'

  3508.         _DEPFLAGS='-xM1 -xc99'

  3509.         _ldflags='-std=c99'

  3510.         _cflags_speed='-O5'

  3511.         _cflags_size='-O5 -xspace'

  3512.         _flags_filter=suncc_flags

  3513.     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then

  3514.         _type=pathscale

  3515.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

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

  3517.         _cflags_speed='-O2'

  3518.         _cflags_size='-Os'

  3519.         _flags_filter='filter_out -Wdisabled-optimization'

  3520.     elif $_cc -v 2>&1 | grep -q Open64; then

  3521.         _type=open64

  3522.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  3523.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3524.         _cflags_speed='-O2'

  3525.         _cflags_size='-Os'

  3526.         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'

  3527.     elif $_cc -V 2>&1 | grep -q Portland; then

  3528.         _type=pgi

  3529.         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"

  3530.         opt_common='-alias=ansi -Mdse -Mlre -Mpre'

  3531.         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"

  3532.         _cflags_size="-O2 -Munroll=c:1 $opt_common"

  3533.         _cflags_noopt="-O"

  3534.         _flags_filter=pgi_flags

  3535.     elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then

  3536.         _type=armasm

  3537.         _ident=$($_cc | head -n1)

  3538.         # 4509: "This form of conditional instruction is deprecated"

  3539.         _flags="-nologo -ignore 4509"

  3540.         _flags_filter=armasm_flags

  3541.     elif $_cc 2>&1 | grep -q Intel; then

  3542.         _type=icl

  3543.         _ident=$($_cc 2>&1 | head -n1)

  3544.         _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'

  3545.         # Not only is O3 broken on 13.x+ but it is slower on all previous

  3546.         # versions (tested) as well.

  3547.         _cflags_speed="-O2"

  3548.         _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff

  3549.         if $_cc 2>&1 | grep -q Linker; then

  3550.             _ld_o='-out:$@'

  3551.         else

  3552.             _ld_o='-Fe$@'

  3553.         fi

  3554.         _cc_o='-Fo$@'

  3555.         _cc_e='-P'

  3556.         _flags_filter=icl_flags

  3557.         _ld_lib='lib%.a'

  3558.         _ld_path='-libpath:'

  3559.         # -Qdiag-error to make icl error when seeing certain unknown arguments

  3560.         _flags='-nologo -Qdiag-error:4044,10157'

  3561.         # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency

  3562.         # with MSVC which enables it by default.

  3563.         _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS -fp:precise'

  3564.         if [ $pfx = hostcc ]; then

  3565.             append _cflags -Dsnprintf=_snprintf

  3566.         fi

  3567.         disable stripping

  3568.     elif $_cc 2>&1 | grep -q Microsoft; then

  3569.         _type=msvc

  3570.         _ident=$($_cc 2>&1 | head -n1)

  3571.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'

  3572.         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'

  3573.         _cflags_speed="-O2"

  3574.         _cflags_size="-O1"

  3575.         if $_cc 2>&1 | grep -q Linker; then

  3576.             _ld_o='-out:$@'

  3577.         else

  3578.             _ld_o='-Fe$@'

  3579.         fi

  3580.         _cc_o='-Fo$@'

  3581.         _cc_e='-P -Fi$@'

  3582.         _flags_filter=msvc_flags

  3583.         _ld_lib='lib%.a'

  3584.         _ld_path='-libpath:'

  3585.         _flags='-nologo'

  3586.         _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'

  3587.         if [ $pfx = hostcc ]; then

  3588.             if [ -z "$cl_major_ver" ] || [ $cl_major_ver -le 18 ]; then

  3589.                 append _cflags -Dsnprintf=_snprintf

  3590.             fi

  3591.         fi

  3592.         disable stripping

  3593.     elif $_cc --version 2>/dev/null | grep -q ^cparser; then

  3594.         _type=cparser

  3595.         _ident=$($_cc --version | head -n1)

  3596.         _depflags='-MMD'

  3597.         _cflags_speed='-O4'

  3598.         _cflags_size='-O2'

  3599.         _flags_filter=cparser_flags

  3600.     fi

  3601. 

  3602.     eval ${pfx}_type=\$_type

  3603.     eval ${pfx}_ident=\$_ident

  3604. }

  3605. 

  3606. set_ccvars(){

  3607.     eval ${1}_C=\${_cc_c-\${${1}_C}}

  3608.     eval ${1}_E=\${_cc_e-\${${1}_E}}

  3609.     eval ${1}_O=\${_cc_o-\${${1}_O}}

  3610. 

  3611.     if [ -n "$_depflags" ]; then

  3612.         eval ${1}_DEPFLAGS=\$_depflags

  3613.     else

  3614.         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}

  3615.         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}

  3616.         eval DEP${1}FLAGS=\$_flags

  3617.     fi

  3618. }

  3619. 

  3620. probe_cc cc "$cc"

  3621. cflags_filter=$_flags_filter

  3622. cflags_speed=$_cflags_speed

  3623. cflags_size=$_cflags_size

  3624. cflags_noopt=$_cflags_noopt

  3625. add_cflags $_flags $_cflags

  3626. cc_ldflags=$_ldflags

  3627. set_ccvars CC

  3628. 

  3629. probe_cc hostcc "$host_cc"

  3630. host_cflags_filter=$_flags_filter

  3631. add_host_cflags  $_flags $_cflags

  3632. set_ccvars HOSTCC

  3633. 

  3634. test -n "$cc_type" && enable $cc_type ||

  3635.     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"

  3636. 

  3637. : ${as_default:=$cc}

  3638. : ${dep_cc_default:=$cc}

  3639. : ${ld_default:=$cc}

  3640. : ${host_ld_default:=$host_cc}

  3641. set_default ar as dep_cc ld host_ld windres

  3642. 

  3643. probe_cc as "$as"

  3644. asflags_filter=$_flags_filter

  3645. add_asflags $_flags $_cflags

  3646. set_ccvars AS

  3647. 

  3648. probe_cc ld "$ld"

  3649. ldflags_filter=$_flags_filter

  3650. add_ldflags $_flags $_ldflags

  3651. test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags

  3652. LD_O=${_ld_o-$LD_O}

  3653. LD_LIB=${_ld_lib-$LD_LIB}

  3654. LD_PATH=${_ld_path-$LD_PATH}

  3655. 

  3656. probe_cc hostld "$host_ld"

  3657. host_ldflags_filter=$_flags_filter

  3658. add_host_ldflags $_flags $_ldflags

  3659. HOSTLD_O=${_ld_o-$HOSTLD_O}

  3660. 

  3661. if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then

  3662.     probe_cc depcc "$dep_cc"

  3663.     CCDEP=${_DEPCMD:-$DEPCMD}

  3664.     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}

  3665.     DEPCCFLAGS=$_flags

  3666. fi

  3667. 

  3668. if $ar 2>&1 | grep -q Microsoft; then

  3669.     arflags="-nologo"

  3670.     ar_o='-out:$@'

  3671. elif $ar 2>&1 | grep -q 'Texas Instruments'; then

  3672.     arflags="rq"

  3673.     ar_o='$@'

  3674. elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then

  3675.     arflags='-Xany -r -c'

  3676.     ar_o='$@'

  3677. elif $ar 2>&1 | grep -q "\[D\] "; then

  3678.     arflags="rcD"

  3679.     ar_o='$@'

  3680. else

  3681.     arflags="rc"

  3682.     ar_o='$@'

  3683. fi

  3684. 

  3685. add_cflags $extra_cflags

  3686. add_cxxflags $extra_cxxflags

  3687. add_asflags $extra_cflags

  3688. 

  3689. if test -n "$sysroot"; then

  3690.     case "$cc_type" in

  3691.         gcc|llvm_gcc|clang)

  3692.             add_cppflags --sysroot="$sysroot"

  3693.             add_ldflags --sysroot="$sysroot"

  3694. # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking

  3695.             add_cppflags -isysroot "$sysroot"

  3696.             add_ldflags -isysroot "$sysroot"

  3697.         ;;

  3698.         tms470)

  3699.             add_cppflags -I"$sysinclude"

  3700.             add_ldflags  --sysroot="$sysroot"

  3701.         ;;

  3702.     esac

  3703. fi

  3704. 

  3705. if test "$cpu" = host; then

  3706.     enabled cross_compile &&

  3707.         die "--cpu=host makes no sense when cross-compiling."

  3708. 

  3709.     case "$cc_type" in

  3710.         gcc|llvm_gcc)

  3711.             check_native(){

  3712.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  3713.                 sed -n "/cc1.*$1=/{

  3714.                             s/.*$1=\\([^ ]*\\).*/\\1/

  3715.                             p

  3716.                             q

  3717.                         }" $TMPE

  3718.             }

  3719.             cpu=$(check_native -march || check_native -mcpu)

  3720.         ;;

  3721.     esac

  3722. 

  3723.     test "${cpu:-host}" = host &&

  3724.         die "--cpu=host not supported with compiler $cc"

  3725. fi

  3726. 

  3727. # Deal with common $arch aliases

  3728. case "$arch" in

  3729.     aarch64|arm64)

  3730.         arch="aarch64"

  3731.     ;;

  3732.     arm*|iPad*|iPhone*)

  3733.         arch="arm"

  3734.     ;;

  3735.     mips*|IP*)

  3736.         arch="mips"

  3737.     ;;

  3738.     parisc*|hppa*)

  3739.         arch="parisc"

  3740.     ;;

  3741.     "Power Macintosh"|ppc*|powerpc*)

  3742.         arch="ppc"

  3743.     ;;

  3744.     s390|s390x)

  3745.         arch="s390"

  3746.     ;;

  3747.     sh4|sh)

  3748.         arch="sh4"

  3749.     ;;

  3750.     sun4u|sparc*)

  3751.         arch="sparc"

  3752.     ;;

  3753.     tilegx|tile-gx)

  3754.         arch="tilegx"

  3755.     ;;

  3756.     i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)

  3757.         arch="x86"

  3758.     ;;

  3759. esac

  3760. 

  3761. is_in $arch $ARCH_LIST || warn "unknown architecture $arch"

  3762. enable $arch

  3763. 

  3764. # Add processor-specific flags

  3765. if enabled aarch64; then

  3766. 

  3767.     case $cpu in

  3768.         armv*)

  3769.             cpuflags="-march=$cpu"

  3770.         ;;

  3771.         *)

  3772.             cpuflags="-mcpu=$cpu"

  3773.         ;;

  3774.     esac

  3775. 

  3776. elif enabled alpha; then

  3777. 

  3778.     cpuflags="-mcpu=$cpu"

  3779. 

  3780. elif enabled arm; then

  3781. 

  3782.     check_arm_arch() {

  3783.         check_cpp_condition stddef.h \

  3784.             "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \

  3785.             $cpuflags

  3786.     }

  3787. 

  3788.     probe_arm_arch() {

  3789.         if   check_arm_arch 4;        then echo armv4;

  3790.         elif check_arm_arch 4T;       then echo armv4t;

  3791.         elif check_arm_arch 5;        then echo armv5;

  3792.         elif check_arm_arch 5E;       then echo armv5e;

  3793.         elif check_arm_arch 5T;       then echo armv5t;

  3794.         elif check_arm_arch 5TE;      then echo armv5te;

  3795.         elif check_arm_arch 5TEJ;     then echo armv5te;

  3796.         elif check_arm_arch 6;        then echo armv6;

  3797.         elif check_arm_arch 6J;       then echo armv6j;

  3798.         elif check_arm_arch 6K;       then echo armv6k;

  3799.         elif check_arm_arch 6Z;       then echo armv6z;

  3800.         elif check_arm_arch 6ZK;      then echo armv6zk;

  3801.         elif check_arm_arch 6T2;      then echo armv6t2;

  3802.         elif check_arm_arch 7;        then echo armv7;

  3803.         elif check_arm_arch 7A  7_A;  then echo armv7-a;

  3804.         elif check_arm_arch 7S;       then echo armv7-a;

  3805.         elif check_arm_arch 7R  7_R;  then echo armv7-r;

  3806.         elif check_arm_arch 7M  7_M;  then echo armv7-m;

  3807.         elif check_arm_arch 7EM 7E_M; then echo armv7-m;

  3808.         elif check_arm_arch 8A  8_A;  then echo armv8-a;

  3809.         fi

  3810.     }

  3811. 

  3812.     [ "$cpu" = generic ] && cpu=$(probe_arm_arch)

  3813. 

  3814.     case $cpu in

  3815.         armv*)

  3816.             cpuflags="-march=$cpu"

  3817.             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')

  3818.         ;;

  3819.         *)

  3820.             cpuflags="-mcpu=$cpu"

  3821.             case $cpu in

  3822.                 cortex-a*)                               subarch=armv7a  ;;

  3823.                 cortex-r*)                               subarch=armv7r  ;;

  3824.                 cortex-m*)                 enable thumb; subarch=armv7m  ;;

  3825.                 arm11*)                                  subarch=armv6   ;;

  3826.                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;

  3827.                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;

  3828.                 *)                             subarch=$(probe_arm_arch) ;;

  3829.             esac

  3830.         ;;

  3831.     esac

  3832. 

  3833.     case "$subarch" in

  3834.         armv5t*)    enable fast_clz                ;;

  3835.         armv[6-8]*)

  3836.             enable fast_clz

  3837.             disabled fast_unaligned || enable fast_unaligned

  3838.             ;;

  3839.     esac

  3840. 

  3841. elif enabled avr32; then

  3842. 

  3843.     case $cpu in

  3844.         ap7[02]0[0-2])

  3845.             subarch="avr32_ap"

  3846.             cpuflags="-mpart=$cpu"

  3847.         ;;

  3848.         ap)

  3849.             subarch="avr32_ap"

  3850.             cpuflags="-march=$cpu"

  3851.         ;;

  3852.         uc3[ab]*)

  3853.             subarch="avr32_uc"

  3854.             cpuflags="-mcpu=$cpu"

  3855.         ;;

  3856.         uc)

  3857.             subarch="avr32_uc"

  3858.             cpuflags="-march=$cpu"

  3859.         ;;

  3860.     esac

  3861. 

  3862. elif enabled bfin; then

  3863. 

  3864.     cpuflags="-mcpu=$cpu"

  3865. 

  3866. elif enabled mips; then

  3867. 

  3868.     cpuflags="-march=$cpu"

  3869. 

  3870.     case $cpu in

  3871.         24kc)

  3872.             disable mips32r5

  3873.             disable mips64r6

  3874.             disable mipsfpu

  3875.             disable mipsdspr1

  3876.             disable mipsdspr2

  3877.             disable msa

  3878.         ;;

  3879.         24kf*)

  3880.             disable mips32r5

  3881.             disable mips64r6

  3882.             disable mipsdspr1

  3883.             disable mipsdspr2

  3884.             disable msa

  3885.         ;;

  3886.         24kec|34kc|1004kc)

  3887.             disable mips32r5

  3888.             disable mips64r6

  3889.             disable mipsfpu

  3890.             disable mipsdspr2

  3891.             disable msa

  3892.         ;;

  3893.         24kef*|34kf*|1004kf*)

  3894.             disable mips32r5

  3895.             disable mips64r6

  3896.             disable mipsdspr2

  3897.             disable msa

  3898.         ;;

  3899.         74kc)

  3900.             disable mips32r5

  3901.             disable mips64r6

  3902.             disable mipsfpu

  3903.             disable msa

  3904.         ;;

  3905.         74kf)

  3906.             disable mips32r5

  3907.             disable mips64r6

  3908.             disable msa

  3909.         ;;

  3910.         p5600)

  3911.             disable mips64r6

  3912.             disable mipsdspr1

  3913.             disable mipsdspr2

  3914. 

  3915.             check_cflags "-mtune=p5600"

  3916.         ;;

  3917.         i6400)

  3918.             disable mips32r5

  3919.             disable mipsdspr1

  3920.             disable mipsdspr2

  3921.             disable mipsfpu

  3922. 

  3923.             check_cflags "-mtune=i6400 -mabi=64"

  3924.             check_ldflags "-mabi=64"

  3925.         ;;

  3926.         loongson3*)

  3927.             disable mipsfpu

  3928.             disable mips32r2

  3929.             disable mips32r5

  3930.             disable mips64r6

  3931.             disable mipsdspr1

  3932.             disable mipsdspr2

  3933.             disable msa

  3934.             enable local_aligned_8 local_aligned_16

  3935.             enable simd_align_16

  3936.             enable fast_64bit

  3937.             enable fast_clz

  3938.             enable fast_cmov

  3939.             enable fast_unaligned

  3940.             disable aligned_stack

  3941.             cpuflags="-march=loongson3a -mhard-float"

  3942.         ;;

  3943.         generic)

  3944.             disable mips32r5

  3945.             disable mips64r6

  3946.             disable msa

  3947.         ;;

  3948.     esac

  3949. 

  3950. elif enabled ppc; then

  3951. 

  3952.     disable ldbrx

  3953.     disable vsx

  3954. 

  3955.     case $(tolower $cpu) in

  3956.         601|ppc601|powerpc601)

  3957.             cpuflags="-mcpu=601"

  3958.             disable altivec

  3959.         ;;

  3960.         603*|ppc603*|powerpc603*)

  3961.             cpuflags="-mcpu=603"

  3962.             disable altivec

  3963.         ;;

  3964.         604*|ppc604*|powerpc604*)

  3965.             cpuflags="-mcpu=604"

  3966.             disable altivec

  3967.         ;;

  3968.         g3|75*|ppc75*|powerpc75*)

  3969.             cpuflags="-mcpu=750"

  3970.             disable altivec

  3971.         ;;

  3972.         g4|745*|ppc745*|powerpc745*)

  3973.             cpuflags="-mcpu=7450"

  3974.         ;;

  3975.         74*|ppc74*|powerpc74*)

  3976.             cpuflags="-mcpu=7400"

  3977.         ;;

  3978.         g5|970|ppc970|powerpc970)

  3979.             cpuflags="-mcpu=970"

  3980.         ;;

  3981.         power[3-8]*)

  3982.             cpuflags="-mcpu=$cpu"

  3983.         ;;

  3984.         cell)

  3985.             cpuflags="-mcpu=cell"

  3986.             enable ldbrx

  3987.         ;;

  3988.         e500mc)

  3989.             cpuflags="-mcpu=e500mc"

  3990.             disable altivec

  3991.         ;;

  3992.         e500v2)

  3993.             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"

  3994.             disable altivec

  3995.             disable dcbzl

  3996.         ;;

  3997.         e500)

  3998.             cpuflags="-mcpu=8540 -mhard-float"

  3999.             disable altivec

  4000.             disable dcbzl

  4001.         ;;

  4002.     esac

  4003. 

  4004. elif enabled sparc; then

  4005. 

  4006.     case $cpu in

  4007.         cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])

  4008.             cpuflags="-mcpu=$cpu"

  4009.         ;;

  4010.         ultrasparc*|niagara[234])

  4011.             cpuflags="-mcpu=$cpu"

  4012.         ;;

  4013.     esac

  4014. 

  4015. elif enabled x86; then

  4016. 

  4017.     case $cpu in

  4018.         i[345]86|pentium)

  4019.             cpuflags="-march=$cpu"

  4020.             disable i686

  4021.             disable mmx

  4022.         ;;

  4023.         # targets that do NOT support nopl and conditional mov (cmov)

  4024.         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)

  4025.             cpuflags="-march=$cpu"

  4026.             disable i686

  4027.         ;;

  4028.         # targets that do support nopl and conditional mov (cmov)

  4029.         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\

  4030.         |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)

  4031.             cpuflags="-march=$cpu"

  4032.             enable i686

  4033.             enable fast_cmov

  4034.         ;;

  4035.         # targets that do support conditional mov but on which it's slow

  4036.         pentium4|pentium4m|prescott|nocona)

  4037.             cpuflags="-march=$cpu"

  4038.             enable i686

  4039.             disable fast_cmov

  4040.         ;;

  4041.     esac

  4042. 

  4043. fi

  4044. 

  4045. if [ "$cpu" != generic ]; then

  4046.     add_cflags  $cpuflags

  4047.     add_asflags $cpuflags

  4048. fi

  4049. 

  4050. # compiler sanity check

  4051. check_exec <<EOF

  4052. int main(void){ return 0; }

  4053. EOF

  4054. if test "$?" != 0; then

  4055.     echo "$cc is unable to create an executable file."

  4056.     if test -z "$cross_prefix" && ! enabled cross_compile ; then

  4057.         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."

  4058.         echo "Only do this if you know what cross compiling means."

  4059.     fi

  4060.     die "C compiler test failed."

  4061. fi

  4062. 

  4063. add_cppflags -D_ISOC99_SOURCE

  4064. add_cxxflags -D__STDC_CONSTANT_MACROS

  4065. check_cflags -std=c99

  4066. check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64

  4067. #include <stdlib.h>

  4068. EOF

  4069. check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE

  4070. #include <stdlib.h>

  4071. EOF

  4072. 

  4073. add_host_cppflags -D_ISOC99_SOURCE

  4074. check_host_cflags -std=c99

  4075. check_host_cflags -Wall

  4076. check_host_cflags -O3

  4077. 

  4078. check_64bit(){

  4079.     arch32=$1

  4080.     arch64=$2

  4081.     expr=$3

  4082.     check_code cc "" "int test[2*($expr) - 1]" &&

  4083.         subarch=$arch64 || subarch=$arch32

  4084. }

  4085. 

  4086. case "$arch" in

  4087.     aarch64|alpha|ia64)

  4088.         spic=$shared

  4089.     ;;

  4090.     mips)

  4091.         check_64bit mips mips64 '_MIPS_SIM > 1'

  4092.         spic=$shared

  4093.     ;;

  4094.     parisc)

  4095.         check_64bit parisc parisc64 'sizeof(void *) > 4'

  4096.         spic=$shared

  4097.     ;;

  4098.     ppc)

  4099.         check_64bit ppc ppc64 'sizeof(void *) > 4'

  4100.         spic=$shared

  4101.     ;;

  4102.     s390)

  4103.         check_64bit s390 s390x 'sizeof(void *) > 4'

  4104.         spic=$shared

  4105.     ;;

  4106.     sparc)

  4107.         check_64bit sparc sparc64 'sizeof(void *) > 4'

  4108.         spic=$shared

  4109.     ;;

  4110.     x86)

  4111.         check_64bit x86_32 x86_64 'sizeof(void *) > 4'

  4112.         # Treat x32 as x64 for now. Note it also needs spic=$shared

  4113.         test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&

  4114.             subarch=x86_64

  4115.         if test "$subarch" = "x86_64"; then

  4116.             spic=$shared

  4117.         fi

  4118.     ;;

  4119.     ppc)

  4120.         check_cc <<EOF && subarch="ppc64"

  4121.         int test[(int)sizeof(char*) - 7];

  4122. EOF

  4123.     ;;

  4124. esac

  4125. 

  4126. enable $subarch

  4127. enabled spic && enable_weak pic

  4128. 

  4129. # OS specific

  4130. case $target_os in

  4131.     aix)

  4132.         SHFLAGS=-shared

  4133.         add_cppflags '-I\$(SRC_PATH)/compat/aix'

  4134.         enabled shared && add_ldflags -Wl,-brtl

  4135.         ;;

  4136.     android)

  4137.         disable symver

  4138.         enable section_data_rel_ro

  4139.         SLIB_INSTALL_NAME='$(SLIBNAME)'

  4140.         SLIB_INSTALL_LINKS=

  4141.         # soname not set on purpose

  4142.         SHFLAGS=-shared

  4143.         ;;

  4144.     haiku)

  4145.         prefix_default="/boot/common"

  4146.         network_extralibs="-lnetwork"

  4147.         host_libs=

  4148.         ;;

  4149.     sunos)

  4150.         SHFLAGS='-shared -Wl,-h,$$(@F)'

  4151.         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"

  4152.         network_extralibs="-lsocket -lnsl"

  4153.         add_cppflags -D__EXTENSIONS__

  4154.         # When using suncc to build, the Solaris linker will mark

  4155.         # an executable with each instruction set encountered by

  4156.         # the Solaris assembler.  As our libraries contain their own

  4157.         # guards for processor-specific code, instead suppress

  4158.         # generation of the HWCAPS ELF section on Solaris x86 only.

  4159.         enabled_all suncc x86 &&

  4160.             echo "hwcap_1 = OVERRIDE;" > mapfile &&

  4161.             add_ldflags -Wl,-M,mapfile

  4162.         nm_default='nm -P -g'

  4163.         ;;

  4164.     netbsd)

  4165.         disable symver

  4166.         oss_indev_extralibs="-lossaudio"

  4167.         oss_outdev_extralibs="-lossaudio"

  4168.         enabled gcc || check_ldflags -Wl,-zmuldefs

  4169.         ;;

  4170.     openbsd|bitrig)

  4171.         disable symver

  4172.         SHFLAGS='-shared'

  4173.         SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'

  4174.         SLIB_INSTALL_LINKS=

  4175.         oss_indev_extralibs="-lossaudio"

  4176.         oss_outdev_extralibs="-lossaudio"

  4177.         ;;

  4178.     dragonfly)

  4179.         disable symver

  4180.         ;;

  4181.     freebsd)

  4182.         ;;

  4183.     bsd/os)

  4184.         add_extralibs -lpoll -lgnugetopt

  4185.         strip="strip -d"

  4186.         ;;

  4187.     darwin)

  4188.         enabled ppc && add_asflags -force_cpusubtype_ALL

  4189.         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'

  4190.         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress

  4191.         strip="${strip} -x"

  4192.         add_ldflags -Wl,-dynamic,-search_paths_first

  4193.         SLIBSUF=".dylib"

  4194.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'

  4195.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'

  4196.         objformat="macho"

  4197.         enabled x86_64 && objformat="macho64"

  4198.         enabled_any pic shared x86_64 ||

  4199.             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }

  4200.         ;;

  4201.     mingw32*)

  4202.         if test $target_os = "mingw32ce"; then

  4203.             disable network

  4204.         else

  4205.             target_os=mingw32

  4206.         fi

  4207.         LIBTARGET=i386

  4208.         if enabled x86_64; then

  4209.             LIBTARGET="i386:x86-64"

  4210.         elif enabled arm; then

  4211.             LIBTARGET=arm-wince

  4212.         fi

  4213.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4214.         check_ldflags -Wl,--nxcompat

  4215.         check_ldflags -Wl,--dynamicbase

  4216.         enabled x86_32 && check_ldflags -Wl,--large-address-aware

  4217.         shlibdir_default="$bindir_default"

  4218.         SLIBPREF=""

  4219.         SLIBSUF=".dll"

  4220.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4221.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4222.         dlltool="${cross_prefix}dlltool"

  4223.         if check_cmd lib.exe -list; then

  4224.             SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4225.             if enabled x86_64; then

  4226.                 LIBTARGET=x64

  4227.             fi

  4228.         elif check_cmd $dlltool --version; then

  4229.             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)'

  4230.         fi

  4231.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4232.         SLIB_INSTALL_LINKS=

  4233.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4234.         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4235.         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'

  4236.         objformat="win32"

  4237.         ranlib=:

  4238.         enable dos_paths

  4239.         ;;

  4240.     win32|win64)

  4241.         disable symver

  4242.         if enabled shared; then

  4243.             # Link to the import library instead of the normal static library

  4244.             # for shared libs.

  4245.             LD_LIB='%.lib'

  4246.             # Cannot build both shared and static libs with MSVC or icl.

  4247.             disable static

  4248.         fi

  4249.         enabled x86_32 && check_ldflags -LARGEADDRESSAWARE

  4250.         shlibdir_default="$bindir_default"

  4251.         SLIBPREF=""

  4252.         SLIBSUF=".dll"

  4253.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4254.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4255.         SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'

  4256.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4257.         SLIB_INSTALL_LINKS=

  4258.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4259.         SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4260.         SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4261.         objformat="win32"

  4262.         ranlib=:

  4263.         enable dos_paths

  4264.         ;;

  4265.     cygwin*)

  4266.         target_os=cygwin

  4267.         shlibdir_default="$bindir_default"

  4268.         SLIBPREF="cyg"

  4269.         SLIBSUF=".dll"

  4270.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4271.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4272.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4273.         SLIB_INSTALL_LINKS=

  4274.         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'

  4275.         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'

  4276.         objformat="win32"

  4277.         enable dos_paths

  4278.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4279.         ;;

  4280.     *-dos|freedos|opendos)

  4281.         network_extralibs="-lsocket"

  4282.         objformat="coff"

  4283.         enable dos_paths

  4284.         add_cppflags -U__STRICT_ANSI__

  4285.         ;;

  4286.     linux)

  4287.         enable dv1394

  4288.         enable section_data_rel_ro

  4289.         ;;

  4290.     irix*)

  4291.         target_os=irix

  4292.         ranlib="echo ignoring ranlib"

  4293.         ;;

  4294.     os/2*)

  4295.         strip="lxlite -CS"

  4296.         ln_s="cp -f"

  4297.         objformat="aout"

  4298.         add_cppflags -D_GNU_SOURCE

  4299.         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap

  4300.         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'

  4301.         LIBSUF="_s.a"

  4302.         SLIBPREF=""

  4303.         SLIBSUF=".dll"

  4304.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'

  4305.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'

  4306.         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \

  4307.             echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \

  4308.             echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \

  4309.             echo EXPORTS >> $(SUBDIR)$(NAME).def; \

  4310.             emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'

  4311.         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \

  4312.             emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'

  4313.         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'

  4314.         enable dos_paths

  4315.         enable_weak os2threads

  4316.         ;;

  4317.     gnu/kfreebsd)

  4318.         add_cppflags -D_BSD_SOURCE

  4319.         ;;

  4320.     gnu)

  4321.         ;;

  4322.     qnx)

  4323.         add_cppflags -D_QNX_SOURCE

  4324.         network_extralibs="-lsocket"

  4325.         ;;

  4326.     symbian)

  4327.         SLIBSUF=".dll"

  4328.         enable dos_paths

  4329.         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default

  4330.         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS

  4331.         add_ldflags -Wl,--target1-abs,--no-undefined \

  4332.                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \

  4333.                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup

  4334.         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \

  4335.                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \

  4336.                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib

  4337.         ;;

  4338.     osf1)

  4339.         add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT

  4340.         ;;

  4341.     minix)

  4342.         ;;

  4343.     plan9)

  4344.         add_cppflags -D_C99_SNPRINTF_EXTENSION  \

  4345.                      -D_REENTRANT_SOURCE        \

  4346.                      -D_RESEARCH_SOURCE         \

  4347.                      -DFD_SETSIZE=96            \

  4348.                      -DHAVE_SOCK_OPTS

  4349.         add_compat strtod.o strtod=avpriv_strtod

  4350.         network_extralibs='-lbsd'

  4351.         exeobjs=compat/plan9/main.o

  4352.         disable ffserver

  4353.         cp_f='cp'

  4354.         ;;

  4355.     none)

  4356.         ;;

  4357.     *)

  4358.         die "Unknown OS '$target_os'."

  4359.         ;;

  4360. esac

  4361. 

  4362. # determine libc flavour

  4363. 

  4364. probe_libc(){

  4365.     pfx=$1

  4366.     pfx_no_=${pfx%_}

  4367.     # uclibc defines __GLIBC__, so it needs to be checked before glibc.

  4368.     if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then

  4369.         eval ${pfx}libc_type=uclibc

  4370.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4371.     elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then

  4372.         eval ${pfx}libc_type=glibc

  4373.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4374.     # MinGW headers can be installed on Cygwin, so check for newlib first.

  4375.     elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then

  4376.         eval ${pfx}libc_type=newlib

  4377.         add_${pfx}cppflags -U__STRICT_ANSI__

  4378.     # MinGW64 is backwards compatible with MinGW32, so check for it first.

  4379.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then

  4380.         eval ${pfx}libc_type=mingw64

  4381.         if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then

  4382.             add_compat msvcrt/snprintf.o

  4383.             add_cflags "-include $source_path/compat/msvcrt/snprintf.h"

  4384.         fi

  4385.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4386.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4387.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4388.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION"  ||

  4389.          check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then

  4390.         eval ${pfx}libc_type=mingw32

  4391.         check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \

  4392.             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||

  4393.             die "ERROR: MinGW32 runtime version must be >= 3.15."

  4394.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4395.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4396.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4397.     elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then

  4398.         eval ${pfx}libc_type=msvcrt

  4399.         # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to

  4400.         # 0x601 by default unless something else is set by the user.

  4401.         # This can easily lead to us detecting functions only present

  4402.         # in such new versions and producing binaries requiring windows 7.0.

  4403.         # Therefore explicitly set the default to XP unless the user has

  4404.         # set something else on the command line.

  4405.         check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||

  4406.             add_${pfx}cppflags -D_WIN32_WINNT=0x0502

  4407.     elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then

  4408.         eval ${pfx}libc_type=klibc

  4409.     elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then

  4410.         eval ${pfx}libc_type=bionic

  4411.     elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then

  4412.         eval ${pfx}libc_type=solaris

  4413.         add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600

  4414.     fi

  4415.     check_${pfx}cc <<EOF

  4416. #include <time.h>

  4417. void *v = localtime_r;

  4418. EOF

  4419. 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

  4420. #include <time.h>

  4421. void *v = localtime_r;

  4422. EOF

  4423. 

  4424. }

  4425. 

  4426. probe_libc

  4427. test -n "$libc_type" && enable libc_$libc_type

  4428. probe_libc host_

  4429. test -n "$host_libc_type" && enable host_libc_$host_libc_type

  4430. 

  4431. case $libc_type in

  4432.     bionic)

  4433.         add_compat strtod.o strtod=avpriv_strtod

  4434.         ;;

  4435.     msvcrt)

  4436.         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -le 18 ]; then

  4437.             add_compat strtod.o strtod=avpriv_strtod

  4438.             add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf   \

  4439.                                          _snprintf=avpriv_snprintf  \

  4440.                                          vsnprintf=avpriv_vsnprintf

  4441.         fi

  4442.         ;;

  4443. esac

  4444. 

  4445. # hacks for compiler/libc/os combinations

  4446. 

  4447. if enabled_all tms470 libc_glibc; then

  4448.     CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"

  4449.     add_cppflags -D__USER_LABEL_PREFIX__=

  4450.     add_cppflags -D__builtin_memset=memset

  4451.     add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED

  4452.     add_cflags   -pds=48    # incompatible redefinition of macro

  4453. fi

  4454. 

  4455. if enabled_all ccc libc_glibc; then

  4456.     add_ldflags -Wl,-z,now  # calls to libots crash without this

  4457. fi

  4458. 

  4459. check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||

  4460.     add_cppflags '-I\$(SRC_PATH)/compat/float'

  4461. 

  4462. esc(){

  4463.     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'

  4464. }

  4465. 

  4466. echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate

  4467. 

  4468. check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic

  4469. 

  4470. set_default libdir

  4471. : ${shlibdir_default:="$libdir"}

  4472. 

  4473. set_default $PATHS_LIST

  4474. set_default nm

  4475. 

  4476. # we need to build at least one lib type

  4477. if ! enabled_any static shared; then

  4478.     cat <<EOF

  4479. At least one library type must be built.

  4480. Specify --enable-static to build the static libraries or --enable-shared to

  4481. build the shared libraries as well. To only build the shared libraries specify

  4482. --disable-static in addition to --enable-shared.

  4483. EOF

  4484.     exit 1;

  4485. fi

  4486. 

  4487. die_license_disabled() {

  4488.     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }

  4489. }

  4490. 

  4491. die_license_disabled_gpl() {

  4492.     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }

  4493. }

  4494. 

  4495. die_license_disabled gpl frei0r

  4496. die_license_disabled gpl libcdio

  4497. die_license_disabled gpl libsmbclient

  4498. die_license_disabled gpl libutvideo

  4499. die_license_disabled gpl libvidstab

  4500. die_license_disabled gpl libx264

  4501. die_license_disabled gpl libx265

  4502. die_license_disabled gpl libxavs

  4503. die_license_disabled gpl libxvid

  4504. die_license_disabled gpl libzvbi

  4505. die_license_disabled gpl x11grab

  4506. 

  4507. die_license_disabled nonfree libaacplus

  4508. die_license_disabled nonfree libfaac

  4509. die_license_disabled nonfree nvenc

  4510. enabled gpl && die_license_disabled_gpl nonfree libfdk_aac

  4511. enabled gpl && die_license_disabled_gpl nonfree openssl

  4512. 

  4513. die_license_disabled version3 libopencore_amrnb

  4514. die_license_disabled version3 libopencore_amrwb

  4515. die_license_disabled version3 libsmbclient

  4516. die_license_disabled version3 libvo_aacenc

  4517. die_license_disabled version3 libvo_amrwbenc

  4518. 

  4519. enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }

  4520. 

  4521. disabled optimizations || check_cflags -fomit-frame-pointer

  4522. 

  4523. enable_weak_pic() {

  4524.     disabled pic && return

  4525.     enable pic

  4526.     add_cppflags -DPIC

  4527.     case "$target_os" in

  4528.     mingw*|cygwin*)

  4529.         ;;

  4530.     *)

  4531.         add_cflags -fPIC

  4532.         ;;

  4533.     esac

  4534.     add_asflags  -fPIC

  4535. }

  4536. 

  4537. enabled pic && enable_weak_pic

  4538. 

  4539. check_cc <<EOF || die "Symbol mangling check failed."

  4540. int ff_extern;

  4541. EOF

  4542. sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')

  4543. extern_prefix=${sym%%ff_extern*}

  4544. 

  4545. check_cc <<EOF && enable_weak inline_asm

  4546. void foo(void) { __asm__ volatile ("" ::); }

  4547. EOF

  4548. 

  4549. _restrict=

  4550. for restrict_keyword in restrict __restrict__ __restrict; do

  4551.     check_cc <<EOF && _restrict=$restrict_keyword && break

  4552. void foo(char * $restrict_keyword p);

  4553. EOF

  4554. done

  4555. 

  4556. check_cc <<EOF && enable pragma_deprecated

  4557. void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }

  4558. EOF

  4559. 

  4560. check_cc <<EOF && enable attribute_packed

  4561. struct { int x; } __attribute__((packed)) x;

  4562. EOF

  4563. 

  4564. check_cc <<EOF && enable attribute_may_alias

  4565. union { int x; } __attribute__((may_alias)) x;

  4566. EOF

  4567. 

  4568. check_cc <<EOF || die "endian test failed"

  4569. unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';

  4570. EOF

  4571. od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian

  4572. 

  4573. if  [ "$cpu" = "power7" ] || [ "$cpu" = "power8" ] || enabled ppc64; then

  4574.     if ! enabled bigendian && enabled altivec ;then

  4575.         enable vsx

  4576.     fi

  4577. fi

  4578. 

  4579. check_gas() {

  4580.     log "check_gas using '$as' as AS"

  4581.     # :vararg is used on aarch64, arm and ppc altivec

  4582.     check_as <<EOF || return 1

  4583. .macro m n, y:vararg=0

  4584. \n: .int \y

  4585. .endm

  4586. m x

  4587. EOF

  4588.     # .altmacro is only used in arm asm

  4589.     ! enabled arm || check_as <<EOF || return 1

  4590. .altmacro

  4591. EOF

  4592.     enable gnu_as

  4593.     return 0

  4594. }

  4595. 

  4596. if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then

  4597.     nogas=:

  4598.     enabled_any arm aarch64 && nogas=die

  4599.     enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn

  4600.     as_noop=-v

  4601. 

  4602.     case $as_type in

  4603.         arm*) gaspp_as_type=armasm; as_noop=-h ;;

  4604.         gcc)  gaspp_as_type=gas ;;

  4605.         *)    gaspp_as_type=$as_type ;;

  4606.     esac

  4607. 

  4608.     [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"

  4609. 

  4610.     test "${as#*gas-preprocessor.pl}" != "$as" ||

  4611.     check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&

  4612.         gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"

  4613. 

  4614.     if ! check_gas ; then

  4615.         as=${gas:=$as}

  4616.         check_gas || \

  4617.             $nogas "GNU assembler not found, install/update gas-preprocessor"

  4618.     fi

  4619. 

  4620.     check_as <<EOF && enable as_func

  4621. .func test

  4622. .endfunc

  4623. EOF

  4624. fi

  4625. 

  4626. check_inline_asm inline_asm_labels '"1:\n"'

  4627. 

  4628. check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'

  4629. 

  4630. if enabled aarch64; then

  4631.     enabled armv8 && check_insn armv8 'prfm   pldl1strm, [x0]'

  4632.     # internal assembler in clang 3.3 does not support this instruction

  4633.     enabled neon && check_insn neon 'ext   v0.8B, v0.8B, v1.8B, #1'

  4634.     enabled vfp  && check_insn vfp  'fmadd d0,    d0,    d1,    d2'

  4635. 

  4636.     map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM

  4637. 

  4638. elif enabled alpha; then

  4639. 

  4640.     check_cflags -mieee

  4641. 

  4642. elif enabled arm; then

  4643. 

  4644.     check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb

  4645. float func(float a, float b){ return a+b; }

  4646. EOF

  4647. 

  4648.     enabled thumb && check_cflags -mthumb || check_cflags -marm

  4649. 

  4650.     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then

  4651.         enable vfp_args

  4652.     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then

  4653.         case "${cross_prefix:-$cc}" in

  4654.             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;

  4655.             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;

  4656. __asm__ (".eabi_attribute 28, 1");

  4657. int main(void) { return 0; }

  4658. EOF

  4659.         esac

  4660.         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."

  4661.     fi

  4662. 

  4663.     enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'

  4664.     enabled armv6   && check_insn armv6   'sadd16 r0, r0, r0'

  4665.     enabled armv6t2 && check_insn armv6t2 'movt r0, #0'

  4666.     enabled neon    && check_insn neon    'vadd.i16 q0, q0, q0'

  4667.     enabled vfp     && check_insn vfp     'fadds s0, s0, s0'

  4668.     enabled vfpv3   && check_insn vfpv3   'vmov.f32 s0, #1.0'

  4669.     enabled setend  && check_insn setend  'setend be'

  4670. 

  4671.     [ $target_os = linux ] || [ $target_os = android ] ||

  4672.         map 'enabled_any ${v}_external ${v}_inline || disable $v' \

  4673.             $ARCH_EXT_LIST_ARM

  4674. 

  4675.     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'

  4676. 

  4677.     check_as <<EOF && enable as_dn_directive

  4678. ra .dn d0.i16

  4679. .unreq ra

  4680. EOF

  4681. 

  4682.     # llvm's integrated assembler supports .object_arch from llvm 3.5

  4683.     [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch

  4684. .object_arch armv4

  4685. EOF

  4686. 

  4687.     [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic

  4688. 

  4689. elif enabled mips; then

  4690. 

  4691.     # Enable minimum ISA based on selected options

  4692.     if enabled mips64 && (enabled mipsdspr1 || enabled mipsdspr2); then

  4693.         add_cflags "-mips64r2"

  4694.         add_asflags "-mips64r2"

  4695.     elif enabled mips64 && enabled mipsfpu && disabled loongson3; then

  4696.         add_cflags "-mips64"

  4697.         add_asflags "-mips64"

  4698.     elif enabled mipsdspr1 || enabled mipsdspr2; then

  4699.         add_cflags "-mips32r2 -mfp32"

  4700.         add_asflags "-mips32r2 -mfp32"

  4701.     elif enabled mips32r5 || enabled mips64r6; then

  4702.         check_cflags "-mfp64"

  4703.         check_ldflags "-mfp64"

  4704.     fi

  4705. 

  4706.     enabled mips32r5  && check_cflags "-mips32r5 -msched-weight -mload-store-pairs -funroll-loops" &&

  4707.      check_ldflags "-mips32r5" &&

  4708.      check_inline_asm mips32r5  '"ulw $t0, ($t1)"'

  4709.     enabled mips64r6  && check_cflags "-mips64r6 -msched-weight -mload-store-pairs -funroll-loops" &&

  4710.      check_ldflags "-mips64r6" &&

  4711.      check_inline_asm mips64r6  '"aui $t0, $t1, 1"'

  4712.     enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&

  4713.      check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'

  4714.     enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&

  4715.      check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'

  4716.     enabled mipsfpu   && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&

  4717.      check_inline_asm mipsfpu   '"madd.d $f0, $f2, $f4, $f6"'

  4718.     enabled msa       && check_cflags "-mmsa" && check_ldflags "-mmsa" &&

  4719.      check_inline_asm msa       '"addvi.b $w0, $w1, 1"'

  4720.     enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'

  4721. 

  4722.     enabled mips32r5 && add_asflags "-mips32r5 -mfp64"

  4723.     enabled mips64r6 && add_asflags "-mips64r6 -mfp64"

  4724.     enabled msa && add_asflags "-mmsa"

  4725. 

  4726. elif enabled parisc; then

  4727. 

  4728.     if enabled gcc; then

  4729.         case $($cc -dumpversion) in

  4730.             4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;

  4731.         esac

  4732.     fi

  4733. 

  4734. elif enabled ppc; then

  4735. 

  4736.     enable local_aligned_8 local_aligned_16 local_aligned_32

  4737. 

  4738.     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'

  4739.     check_inline_asm ibm_asm   '"add 0, 0, 0"'

  4740.     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'

  4741.     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'

  4742. 

  4743.     # AltiVec flags: The FSF version of GCC differs from the Apple version

  4744.     if enabled altivec; then

  4745.         check_cflags -maltivec -mabi=altivec &&

  4746.         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||

  4747.         check_cflags -faltivec

  4748. 

  4749.         # check if our compiler supports Motorola AltiVec C API

  4750.         check_cc <<EOF || disable altivec

  4751. $inc_altivec_h

  4752. int main(void) {

  4753.     vector signed int v1 = (vector signed int) { 0 };

  4754.     vector signed int v2 = (vector signed int) { 1 };

  4755.     v1 = vec_add(v1, v2);

  4756.     return 0;

  4757. }

  4758. EOF

  4759. 

  4760.         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"

  4761.     fi

  4762. 

  4763.     if enabled vsx; then

  4764.         check_cflags -mvsx

  4765.     fi

  4766. elif enabled x86; then

  4767. 

  4768.     check_builtin rdtsc    intrin.h   "__rdtsc()"

  4769.     check_builtin mm_empty mmintrin.h "_mm_empty()"

  4770. 

  4771.     enable local_aligned_8 local_aligned_16 local_aligned_32

  4772. 

  4773.     # check whether EBP is available on x86

  4774.     # As 'i' is stored on the stack, this program will crash

  4775.     # if the base pointer is used to access it because the

  4776.     # base pointer is cleared in the inline assembly code.

  4777.     check_exec_crash <<EOF && enable ebp_available

  4778. volatile int i=0;

  4779. __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");

  4780. return i;

  4781. EOF

  4782. 

  4783.     # check whether EBX is available on x86

  4784.     check_inline_asm ebx_available '""::"b"(0)' &&

  4785.         check_inline_asm ebx_available '"":::"%ebx"'

  4786. 

  4787.     # check whether xmm clobbers are supported

  4788.     check_inline_asm xmm_clobbers '"":::"%xmm0"'

  4789. 

  4790.     check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||

  4791.         check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'

  4792. 

  4793.     # check whether binutils is new enough to compile SSSE3/MMXEXT

  4794.     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'

  4795.     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'

  4796. 

  4797.     if ! disabled_any asm mmx yasm; then

  4798.         if check_cmd $yasmexe --version; then

  4799.             enabled x86_64 && yasm_extra="-m amd64"

  4800.             yasm_debug="-g dwarf2"

  4801.         elif check_cmd nasm -v; then

  4802.             yasmexe=nasm

  4803.             yasm_debug="-g -F dwarf"

  4804.             if enabled x86_64; then

  4805.                 case "$objformat" in

  4806.                     elf)   objformat=elf64 ;;

  4807.                     win32) objformat=win64 ;;

  4808.                 esac

  4809.             fi

  4810.         fi

  4811. 

  4812.         YASMFLAGS="-f $objformat $yasm_extra"

  4813.         enabled pic               && append YASMFLAGS "-DPIC"

  4814.         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"

  4815.         case "$objformat" in

  4816.             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;

  4817.         esac

  4818. 

  4819.         check_yasm "movbe ecx, [5]" && enable yasm ||

  4820.             die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."

  4821.         check_yasm "vextracti128 xmm0, ymm0, 0"      || disable avx2_external

  4822.         check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external

  4823.         check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external

  4824.         check_yasm "CPU amdnop" || disable cpunop

  4825.     fi

  4826. 

  4827.     case "$cpu" in

  4828.         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)

  4829.             disable fast_clz

  4830.         ;;

  4831.     esac

  4832. 

  4833. fi

  4834. 

  4835. check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon

  4836. 

  4837. check_ldflags -Wl,--as-needed

  4838. check_ldflags -Wl,-z,noexecstack

  4839. 

  4840. if check_func dlopen; then

  4841.     ldl=

  4842. elif check_func dlopen -ldl; then

  4843.     ldl=-ldl

  4844. fi

  4845. 

  4846. frei0r_filter_extralibs='$ldl'

  4847. frei0r_src_filter_extralibs='$ldl'

  4848. ladspa_filter_extralibs='$ldl'

  4849. nvenc_encoder_extralibs='$ldl'

  4850. 

  4851. if ! disabled network; then

  4852.     check_func getaddrinfo $network_extralibs

  4853.     check_func getservbyport $network_extralibs

  4854.     check_func inet_aton $network_extralibs

  4855. 

  4856.     check_type netdb.h "struct addrinfo"

  4857.     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE

  4858.     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE

  4859.     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE

  4860.     check_type poll.h "struct pollfd"

  4861.     check_type netinet/sctp.h "struct sctp_event_subscribe"

  4862.     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len

  4863.     check_type netinet/in.h "struct sockaddr_in6"

  4864.     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"

  4865.     check_type "sys/types.h sys/socket.h" socklen_t

  4866. 

  4867.     # Prefer arpa/inet.h over winsock2

  4868.     if check_header arpa/inet.h ; then

  4869.         check_func closesocket

  4870.     elif check_header winsock2.h ; then

  4871.         check_func_headers winsock2.h closesocket -lws2 &&

  4872.             network_extralibs="-lws2" ||

  4873.         { check_func_headers winsock2.h closesocket -lws2_32 &&

  4874.             network_extralibs="-lws2_32"; } || disable winsock2_h network

  4875.         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs

  4876. 

  4877.         check_type ws2tcpip.h socklen_t

  4878.         check_type ws2tcpip.h "struct addrinfo"

  4879.         check_type ws2tcpip.h "struct group_source_req"

  4880.         check_type ws2tcpip.h "struct ip_mreq_source"

  4881.         check_type ws2tcpip.h "struct ipv6_mreq"

  4882.         check_type winsock2.h "struct pollfd"

  4883.         check_struct winsock2.h "struct sockaddr" sa_len

  4884.         check_type ws2tcpip.h "struct sockaddr_in6"

  4885.         check_type ws2tcpip.h "struct sockaddr_storage"

  4886.     else

  4887.         disable network

  4888.     fi

  4889. fi

  4890. 

  4891. check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"

  4892. check_builtin atomic_compare_exchange "" "int *ptr, *oldval; int newval; __atomic_compare_exchange_n(ptr, oldval, newval, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)"

  4893. check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"

  4894. check_builtin MemoryBarrier windows.h "MemoryBarrier()"

  4895. check_builtin sarestart signal.h "SA_RESTART"

  4896. check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"

  4897. 

  4898. check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc

  4899. check_func  ${malloc_prefix}memalign            && enable memalign

  4900. check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign

  4901. 

  4902. check_func  access

  4903. check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  4904. check_func  fcntl

  4905. check_func  fork

  4906. check_func  gethrtime

  4907. check_func  getopt

  4908. check_func  getrusage

  4909. check_func  gettimeofday

  4910. check_func  gmtime_r

  4911. check_func  isatty

  4912. check_func  localtime_r

  4913. check_func  mach_absolute_time

  4914. check_func  mkstemp

  4915. check_func  mmap

  4916. check_func  mprotect

  4917. # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that

  4918. check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  4919. check_func  sched_getaffinity

  4920. check_func  setrlimit

  4921. check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE

  4922. check_func  strerror_r

  4923. check_func  sysconf

  4924. check_func  sysctl

  4925. check_func  usleep

  4926. 

  4927. check_func_headers conio.h kbhit

  4928. check_func_headers io.h setmode

  4929. check_func_headers lzo/lzo1x.h lzo1x_999_compress

  4930. check_func_headers stdlib.h getenv

  4931. 

  4932. check_func_headers windows.h CoTaskMemFree -lole32

  4933. check_func_headers windows.h GetProcessAffinityMask

  4934. check_func_headers windows.h GetProcessTimes

  4935. check_func_headers windows.h GetSystemTimeAsFileTime

  4936. check_func_headers windows.h MapViewOfFile

  4937. check_func_headers windows.h PeekNamedPipe

  4938. check_func_headers windows.h SetConsoleTextAttribute

  4939. check_func_headers windows.h Sleep

  4940. check_func_headers windows.h VirtualAlloc

  4941. check_struct windows.h "CONDITION_VARIABLE" Ptr

  4942. check_func_headers glob.h glob

  4943. enabled xlib &&

  4944.     check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext

  4945. 

  4946. check_header direct.h

  4947. check_header dlfcn.h

  4948. check_header dxva.h

  4949. check_header dxva2api.h -D_WIN32_WINNT=0x0600

  4950. check_header io.h

  4951. check_header libcrystalhd/libcrystalhd_if.h

  4952. check_header mach/mach_time.h

  4953. check_header malloc.h

  4954. check_header net/udplite.h

  4955. check_header poll.h

  4956. check_header sys/mman.h

  4957. check_header sys/param.h

  4958. check_header sys/resource.h

  4959. check_header sys/select.h

  4960. check_header sys/time.h

  4961. check_header sys/un.h

  4962. check_header termios.h

  4963. check_header unistd.h

  4964. check_header valgrind/valgrind.h

  4965. check_header vdpau/vdpau.h

  4966. check_header vdpau/vdpau_x11.h

  4967. check_header VideoDecodeAcceleration/VDADecoder.h

  4968. check_header windows.h

  4969. check_header X11/extensions/XvMClib.h

  4970. check_header asm/types.h

  4971. 

  4972. check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32

  4973. check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32

  4974. check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi

  4975. 

  4976. check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss

  4977. 

  4978. check_type "windows.h dxva.h" "DXVA_PicParams_HEVC"

  4979. 

  4980. if ! disabled w32threads && ! enabled pthreads; then

  4981.     check_func_headers "windows.h process.h" _beginthreadex &&

  4982.         enable w32threads || disable w32threads

  4983. fi

  4984. 

  4985. # check for some common methods of building with pthread support

  4986. # do this before the optional library checks as some of them require pthreads

  4987. if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then

  4988.     enable pthreads

  4989.     if check_func pthread_join -pthread && check_func pthread_create -pthread; then

  4990.         add_cflags -pthread

  4991.         add_extralibs -pthread

  4992.     elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then

  4993.         add_cflags -pthreads

  4994.         add_extralibs -pthreads

  4995.     elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then

  4996.         add_cflags -ldl -pthread

  4997.         add_extralibs -ldl -pthread

  4998.     elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then

  4999.         add_extralibs -lpthreadGC2

  5000.     elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then

  5001.         :

  5002.     elif ! check_func pthread_join && ! check_func pthread_create; then

  5003.         disable pthreads

  5004.     fi

  5005.     check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads

  5006. fi

  5007. 

  5008. 

  5009. if enabled pthreads; then

  5010.   check_func pthread_cancel

  5011. fi

  5012. 

  5013. disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib

  5014. disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib

  5015. disabled  lzma || check_lib2  lzma.h lzma_version_number -llzma || disable lzma

  5016. 

  5017. check_lib math.h sin -lm && LIBM="-lm"

  5018. disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd

  5019. 

  5020. atan2f_args=2

  5021. ldexpf_args=2

  5022. powf_args=2

  5023. 

  5024. for func in $MATH_FUNCS; do

  5025.     eval check_mathfunc $func \${${func}_args:-1}

  5026. done

  5027. 

  5028. # these are off by default, so fail if requested and not available

  5029. enabled avfoundation_indev && { check_header_oc AVFoundation/AVFoundation.h || disable avfoundation_indev; }

  5030. enabled avfoundation_indev && { check_lib2 CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||

  5031.                                 check_lib2 ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }

  5032. enabled avisynth          && { { check_lib2 "windows.h" LoadLibrary; } ||

  5033.                                { check_lib2 "dlfcn.h" dlopen -ldl; } ||

  5034.                                die "ERROR: LoadLibrary/dlopen not found for avisynth"; }

  5035. enabled decklink          && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }

  5036. enabled frei0r            && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }

  5037. enabled gnutls            && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init

  5038. enabled ladspa            && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }

  5039. enabled libiec61883       && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883

  5040. enabled libaacplus        && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus

  5041. enabled libass            && require_pkg_config libass ass/ass.h ass_library_init

  5042. enabled libbluray         && require_pkg_config libbluray libbluray/bluray.h bd_open

  5043. enabled libbs2b           && require_pkg_config libbs2b bs2b.h bs2b_open

  5044. enabled libcelt           && require libcelt celt/celt.h celt_decode -lcelt0 &&

  5045.                              { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||

  5046.                                die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }

  5047. enabled libcaca           && require_pkg_config caca caca.h caca_create_canvas

  5048. enabled libdcadec         && require_pkg_config dcadec libdcadec/dca_context.h dcadec_context_create

  5049. enabled libfaac           && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac

  5050. enabled libfdk_aac        && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac

  5051. 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"

  5052. enabled libflite          && require2 libflite "flite/flite.h" flite_init $flite_libs

  5053. enabled fontconfig        && enable libfontconfig

  5054. enabled libfontconfig     && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit

  5055. enabled libfreetype       && require_libfreetype

  5056. enabled libfribidi        && require_pkg_config fribidi fribidi.h fribidi_version_info

  5057. enabled libgme            && require  libgme gme/gme.h gme_new_emu -lgme -lstdc++

  5058. enabled libgsm            && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do

  5059.                                    check_lib "${gsm_hdr}" gsm_create -lgsm && break;

  5060.                                done || die "ERROR: libgsm not found"; }

  5061. enabled libilbc           && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc

  5062. enabled libmfx            && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit

  5063. enabled libmodplug        && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load

  5064. enabled libmp3lame        && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame

  5065. enabled libnut            && require libnut libnut.h nut_demuxer_init -lnut

  5066. enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb

  5067. enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb

  5068. enabled libopencv         && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader

  5069. enabled libopenh264       && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion

  5070. enabled libopenjpeg       && { check_lib openjpeg.h opj_version -lopenmj2 -DOPJ_STATIC ||

  5071.                                check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  5072.                                check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  5073.                                die "ERROR: libopenjpeg not found"; }

  5074. enabled libopus           && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create

  5075. enabled libpulse          && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new

  5076. enabled libquvi           && require_pkg_config libquvi quvi/quvi.h quvi_init

  5077. enabled librtmp           && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket

  5078. enabled libschroedinger   && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init

  5079. enabled libshine          && require_pkg_config shine shine/layer3.h shine_encode_buffer

  5080. enabled libsmbclient      && { use_pkg_config smbclient libsmbclient.h smbc_init ||

  5081.                                require smbclient libsmbclient.h smbc_init -lsmbclient; }

  5082. enabled libsoxr           && require libsoxr soxr.h soxr_create -lsoxr

  5083. enabled libssh            && require_pkg_config libssh libssh/sftp.h sftp_init

  5084. enabled libspeex          && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex

  5085. enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h

  5086.     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h

  5087.     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static

  5088. enabled libtheora         && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg

  5089. enabled libtwolame        && require libtwolame twolame.h twolame_init -ltwolame &&

  5090.                              { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||

  5091.                                die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }

  5092. enabled libutvideo        && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++

  5093. enabled libv4l2           && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl

  5094. enabled libvidstab        && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit

  5095. enabled libvo_aacenc      && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc

  5096. enabled libvo_amrwbenc    && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc

  5097. enabled libvorbis         && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg

  5098. enabled libvpx            && {

  5099.     enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||

  5100.                                     die "ERROR: libvpx decoder version must be >=0.9.1"; }

  5101.     enabled libvpx_vp8_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||

  5102.                                     die "ERROR: libvpx encoder version must be >=0.9.7"; }

  5103.     enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }

  5104.     enabled libvpx_vp9_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx || disable libvpx_vp9_encoder; } }

  5105. enabled libwavpack        && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput  -lwavpack

  5106. enabled libwebp           && {

  5107.     enabled libwebp_encoder      && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion

  5108.     enabled libwebp_anim_encoder && { use_pkg_config "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit || disable libwebp_anim_encoder; } }

  5109. enabled libx264           && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||

  5110.                                { require libx264 x264.h x264_encoder_encode -lx264 &&

  5111.                                  warn "using libx264 without pkg-config"; } } &&

  5112.                              { check_cpp_condition x264.h "X264_BUILD >= 118" ||

  5113.                                die "ERROR: libx264 must be installed and version must be >= 0.118."; }

  5114. enabled libx265           && require_pkg_config x265 x265.h x265_encoder_encode &&

  5115.                              { check_cpp_condition x265.h "X265_BUILD >= 57" ||

  5116.                                die "ERROR: libx265 version must be >= 57."; }

  5117. enabled libxavs           && require libxavs xavs.h xavs_encoder_encode -lxavs

  5118. enabled libxvid           && require libxvid xvid.h xvid_global -lxvidcore

  5119. enabled libzmq            && require_pkg_config libzmq zmq.h zmq_ctx_new

  5120. enabled libzvbi           && require libzvbi libzvbi.h vbi_decoder_new -lzvbi

  5121. enabled mmal              && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||

  5122.                                 { ! enabled cross_compile && {

  5123.                                     add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;

  5124.                                     add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;

  5125.                                     check_lib interface/mmal/mmal.h mmal_port_connect ; }

  5126.                                 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||

  5127.                                die "ERROR: mmal not found"; }

  5128. enabled nvenc             && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; } &&

  5129.                              { check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 5" ||

  5130.                                die "ERROR: NVENC API version 4 or older is not supported"; } &&

  5131.                              { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }

  5132. enabled openal            && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do

  5133.                                check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||

  5134.                                die "ERROR: openal not found"; } &&

  5135.                              { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||

  5136.                                die "ERROR: openal must be installed and version must be 1.1 or compatible"; }

  5137. enabled opencl            && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||

  5138.                                check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||

  5139.                                die "ERROR: opencl not found"; } &&

  5140.                              { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||

  5141.                                check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||

  5142.                                die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }

  5143. enabled opengl            && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||

  5144.                                check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||

  5145.                                check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||

  5146.                                check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||

  5147.                                die "ERROR: opengl not found."

  5148.                              }

  5149. enabled openssl           && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||

  5150.                                check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||

  5151.                                check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||

  5152.                                die "ERROR: openssl not found"; }

  5153. enabled qtkit_indev      && { check_header_oc QTKit/QTKit.h || disable qtkit_indev; }

  5154. 

  5155. if enabled gnutls; then

  5156.     { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||

  5157.     { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }

  5158. fi

  5159. 

  5160. # libdc1394 check

  5161. if enabled libdc1394; then

  5162.     { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&

  5163.         enable libdc1394_2; } ||

  5164.     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&

  5165.         enable libdc1394_1; } ||

  5166.     die "ERROR: No version of libdc1394 found "

  5167. fi

  5168. if ! disabled sdl; then

  5169.     SDL_CONFIG="${cross_prefix}sdl-config"

  5170.     if check_pkg_config sdl SDL_events.h SDL_PollEvent; then

  5171.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5172.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5173.         enable sdl

  5174.     else

  5175.         if "${SDL_CONFIG}" --version > /dev/null 2>&1; then

  5176.             sdl_cflags=$("${SDL_CONFIG}" --cflags)

  5177.             sdl_libs=$("${SDL_CONFIG}" --libs)

  5178.             check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&

  5179.             check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5180.             check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5181.             enable sdl

  5182.         elif enabled sdl ; then

  5183.             die "ERROR: SDL not found"

  5184.         else

  5185.             disable sdl

  5186.         fi

  5187.     fi

  5188. fi

  5189. enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs

  5190. 

  5191. makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo

  5192. enabled makeinfo && (makeinfo --version | \

  5193.                      grep -q 'makeinfo (GNU texinfo) 5' > /dev/null 2>&1) \

  5194.     && enable makeinfo_html || disable makeinfo_html

  5195. disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html

  5196. perl -v            > /dev/null 2>&1 && enable perl      || disable perl

  5197. pod2man --help     > /dev/null 2>&1 && enable pod2man   || disable pod2man

  5198. rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout

  5199. 

  5200. check_header linux/fb.h

  5201. check_header linux/videodev.h

  5202. check_header linux/videodev2.h

  5203. check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5204. 

  5205. check_header sys/videoio.h

  5206. check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5207. 

  5208. check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"

  5209. # check that WM_CAP_DRIVER_CONNECT is defined to the proper value

  5210. # w32api 3.12 had it defined wrong

  5211. check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines

  5212. 

  5213. check_type "dshow.h" IBaseFilter

  5214. 

  5215. # check for ioctl_meteor.h, ioctl_bt848.h and alternatives

  5216. { check_header dev/bktr/ioctl_meteor.h &&

  5217.   check_header dev/bktr/ioctl_bt848.h; } ||

  5218. { check_header machine/ioctl_meteor.h &&

  5219.   check_header machine/ioctl_bt848.h; } ||

  5220. { check_header dev/video/meteor/ioctl_meteor.h &&

  5221.   check_header dev/video/bktr/ioctl_bt848.h; } ||

  5222. check_header dev/ic/bt8xx.h

  5223. 

  5224. check_header sndio.h

  5225. if check_struct sys/soundcard.h audio_buf_info bytes; then

  5226.     enable_safe sys/soundcard.h

  5227. else

  5228.     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h

  5229.     #include <sys/soundcard.h>

  5230.     audio_buf_info abc;

  5231. EOF

  5232. fi

  5233. check_header soundcard.h

  5234. 

  5235. enabled_any alsa_indev alsa_outdev &&

  5236.     check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound

  5237. 

  5238. enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&

  5239.     check_func jack_port_get_latency_range -ljack

  5240. 

  5241. enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio

  5242. 

  5243. if enabled libcdio; then

  5244.     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5245.     check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5246.     die "ERROR: No usable libcdio/cdparanoia found"

  5247. fi

  5248. 

  5249. enabled xlib &&

  5250.     check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib

  5251. 

  5252. if ! disabled libxcb; then

  5253.     check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {

  5254.         enabled libxcb && die "ERROR: libxcb >= 1.4 not found";

  5255.     } && disable x11grab && enable libxcb

  5256. 

  5257. if enabled libxcb; then

  5258.     disabled libxcb_shm || {

  5259.         check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {

  5260.             enabled libxcb_shm && die "ERROR: libxcb_shm not found";

  5261.         } && check_header sys/shm.h && enable libxcb_shm; }

  5262. 

  5263.     disabled libxcb_xfixes || {

  5264.         check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {

  5265.             enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";

  5266.         } && enable libxcb_xfixes; }

  5267. 

  5268.     disabled libxcb_shape || {

  5269.         check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {

  5270.             enabled libxcb_shape && die "ERROR: libxcb_shape not found";

  5271.         } && enable libxcb_shape; }

  5272. 

  5273.     add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags

  5274.     add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs

  5275. fi

  5276. fi

  5277. 

  5278. if enabled x11grab; then

  5279.     enabled xlib || die "ERROR: Xlib not found"

  5280.     require Xext X11/extensions/XShm.h XShmCreateImage -lXext

  5281.     require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes

  5282. fi

  5283. 

  5284. check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"

  5285. 

  5286. enabled dxva2api_h &&

  5287.     check_cc <<EOF && enable dxva2api_cobj

  5288. #define _WIN32_WINNT 0x0600

  5289. #define COBJMACROS

  5290. #include <windows.h>

  5291. #include <d3d9.h>

  5292. #include <dxva2api.h>

  5293. int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }

  5294. EOF

  5295. 

  5296. enabled vaapi &&

  5297.     check_lib va/va.h vaInitialize -lva ||

  5298.     disable vaapi

  5299. 

  5300. enabled vaapi && enabled xlib &&

  5301.     check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&

  5302.     enable vaapi_x11

  5303. 

  5304. enabled vdpau &&

  5305.     check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||

  5306.     disable vdpau

  5307. 

  5308. enabled vdpau && enabled xlib &&

  5309.     check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&

  5310.     prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&

  5311.     enable vdpau_x11

  5312. 

  5313. # Funny iconv installations are not unusual, so check it after all flags have been set

  5314. disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv

  5315. 

  5316. enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"

  5317. 

  5318. # add some useful compiler flags if supported

  5319. check_cflags -Wdeclaration-after-statement

  5320. check_cflags -Wall

  5321. check_cflags -Wdisabled-optimization

  5322. check_cflags -Wpointer-arith

  5323. check_cflags -Wredundant-decls

  5324. check_cflags -Wwrite-strings

  5325. check_cflags -Wtype-limits

  5326. check_cflags -Wundef

  5327. check_cflags -Wmissing-prototypes

  5328. check_cflags -Wno-pointer-to-int-cast

  5329. check_cflags -Wstrict-prototypes

  5330. check_cflags -Wempty-body

  5331. enabled extra_warnings && check_cflags -Winline

  5332. 

  5333. check_disable_warning(){

  5334.     warning_flag=-W${1#-Wno-}

  5335.     test_cflags $warning_flag && add_cflags $1

  5336. }

  5337. 

  5338. check_disable_warning -Wno-parentheses

  5339. check_disable_warning -Wno-switch

  5340. check_disable_warning -Wno-format-zero-length

  5341. check_disable_warning -Wno-pointer-sign

  5342. 

  5343. # add some linker flags

  5344. check_ldflags -Wl,--warn-common

  5345. check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample

  5346. enabled rpath && add_ldexeflags -Wl,-rpath,$libdir

  5347. test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic

  5348. 

  5349. # add some strip flags

  5350. # -wN '..@*' is more selective than -x, but not available everywhere.

  5351. check_stripflags -wN \'..@*\' || check_stripflags -x

  5352. 

  5353. enabled neon_clobber_test &&

  5354.     check_ldflags -Wl,--wrap,avcodec_open2              \

  5355.                   -Wl,--wrap,avcodec_decode_audio4      \

  5356.                   -Wl,--wrap,avcodec_decode_video2      \

  5357.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  5358.                   -Wl,--wrap,avcodec_encode_audio2      \

  5359.                   -Wl,--wrap,avcodec_encode_video2      \

  5360.                   -Wl,--wrap,avcodec_encode_subtitle    \

  5361.                   -Wl,--wrap,swr_convert                \

  5362.                   -Wl,--wrap,avresample_convert ||

  5363.     disable neon_clobber_test

  5364. 

  5365. enabled xmm_clobber_test &&

  5366.     check_ldflags -Wl,--wrap,avcodec_open2              \

  5367.                   -Wl,--wrap,avcodec_decode_audio4      \

  5368.                   -Wl,--wrap,avcodec_decode_video2      \

  5369.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  5370.                   -Wl,--wrap,avcodec_encode_audio2      \

  5371.                   -Wl,--wrap,avcodec_encode_video       \

  5372.                   -Wl,--wrap,avcodec_encode_video2      \

  5373.                   -Wl,--wrap,avcodec_encode_subtitle    \

  5374.                   -Wl,--wrap,swr_convert                \

  5375.                   -Wl,--wrap,avresample_convert         \

  5376.                   -Wl,--wrap,sws_scale ||

  5377.     disable xmm_clobber_test

  5378. 

  5379. echo "X{};" > $TMPV

  5380. if test_ldflags -Wl,--version-script,$TMPV; then

  5381.     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'

  5382.     check_cc <<EOF && enable symver_asm_label

  5383. void ff_foo(void) __asm__ ("av_foo@VERSION");

  5384. void ff_foo(void) { ${inline_asm+__asm__($quotes);} }

  5385. EOF

  5386.     check_cc <<EOF && enable symver_gnu_asm

  5387. __asm__(".symver ff_foo,av_foo@VERSION");

  5388. void ff_foo(void) {}

  5389. EOF

  5390. fi

  5391. 

  5392. if [ -z "$optflags" ]; then

  5393.     if enabled small; then

  5394.         optflags=$cflags_size

  5395.     elif enabled optimizations; then

  5396.         optflags=$cflags_speed

  5397.     else

  5398.         optflags=$cflags_noopt

  5399.     fi

  5400. fi

  5401. 

  5402. check_optflags(){

  5403.     check_cflags "$@"

  5404.     enabled lto && check_ldflags "$@"

  5405. }

  5406. 

  5407. 

  5408. if enabled lto; then

  5409.     test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"

  5410.     check_cflags  -flto

  5411.     check_ldflags -flto $cpuflags

  5412.     disable inline_asm_direct_symbol_refs

  5413. fi

  5414. 

  5415. check_optflags $optflags

  5416. check_optflags -fno-math-errno

  5417. check_optflags -fno-signed-zeros

  5418. 

  5419. enabled ftrapv && check_cflags -ftrapv

  5420. 

  5421. check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"

  5422. int x;

  5423. EOF

  5424. 

  5425. 

  5426. if enabled icc; then

  5427.     # Just warnings, no remarks

  5428.     check_cflags -w1

  5429.     # -wd: Disable following warnings

  5430.     # 144, 167, 556: -Wno-pointer-sign

  5431.     # 188: enumerated type mixed with another type

  5432.     # 1292: attribute "foo" ignored

  5433.     # 1419: external declaration in primary source file

  5434.     # 10006: ignoring unknown option -fno-signed-zeros

  5435.     # 10148: ignoring unknown option -Wno-parentheses

  5436.     # 10156: ignoring option '-W'; no argument required

  5437.     # 13200: No EMMS instruction before call to function

  5438.     # 13203: No EMMS instruction before return from function

  5439.     check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203

  5440.     # 11030: Warning unknown option --as-needed

  5441.     # 10156: ignoring option '-export'; no argument required

  5442.     check_ldflags -wd10156,11030

  5443.     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test

  5444.     enable ebp_available

  5445.     # The test above does not test linking

  5446.     enabled lto && disable symver_asm_label

  5447.     if enabled x86_32; then

  5448.         icc_version=$($cc -dumpversion)

  5449.         test ${icc_version%%.*} -ge 11 &&

  5450.             check_cflags -falign-stack=maintain-16-byte ||

  5451.             disable aligned_stack

  5452.     fi

  5453. elif enabled ccc; then

  5454.     # disable some annoying warnings

  5455.     add_cflags -msg_disable bitnotint

  5456.     add_cflags -msg_disable mixfuncvoid

  5457.     add_cflags -msg_disable nonstandcast

  5458.     add_cflags -msg_disable unsupieee

  5459. elif enabled gcc; then

  5460.     check_optflags -fno-tree-vectorize

  5461.     check_cflags -Werror=format-security

  5462.     check_cflags -Werror=implicit-function-declaration

  5463.     check_cflags -Werror=missing-prototypes

  5464.     check_cflags -Werror=return-type

  5465.     check_cflags -Werror=vla

  5466.     check_cflags -Wformat

  5467.     check_cflags -fdiagnostics-color=auto

  5468.     enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized

  5469. elif enabled llvm_gcc; then

  5470.     check_cflags -mllvm -stack-alignment=16

  5471. elif enabled clang; then

  5472.     check_cflags -mllvm -stack-alignment=16

  5473.     check_cflags -Qunused-arguments

  5474.     check_cflags -Werror=implicit-function-declaration

  5475.     check_cflags -Werror=missing-prototypes

  5476.     check_cflags -Werror=return-type

  5477. elif enabled cparser; then

  5478.     add_cflags -Wno-missing-variable-declarations

  5479.     add_cflags -Wno-empty-statement

  5480. elif enabled armcc; then

  5481.     add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat

  5482.     add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir

  5483.     # 2523: use of inline assembly is deprecated

  5484.     add_cflags -W${armcc_opt},--diag_suppress=2523

  5485.     add_cflags -W${armcc_opt},--diag_suppress=1207

  5486.     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition

  5487.     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat

  5488.     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign

  5489.     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign

  5490. elif enabled tms470; then

  5491.     add_cflags -pds=824 -pds=837

  5492.     disable inline_asm

  5493. elif enabled pathscale; then

  5494.     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF

  5495. elif enabled_any msvc icl; then

  5496.     enabled x86_32 && disable aligned_stack

  5497.     enabled_all x86_32 debug && add_cflags -Oy-

  5498.     enabled debug && add_ldflags -debug

  5499.     enable pragma_deprecated

  5500.     if enabled icl; then

  5501.         # -Qansi-alias is basically -fstrict-aliasing, but does not work

  5502.         # (correctly) on icl 13.x.

  5503.         check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&

  5504.             add_cflags -Qansi-alias

  5505.         # Some inline asm is not compilable in debug

  5506.         if enabled debug; then

  5507.             disable ebp_available

  5508.             disable ebx_available

  5509.         fi

  5510.     fi

  5511.     # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.

  5512.     check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2

  5513. fi

  5514. 

  5515. case $as_type in

  5516.     clang)

  5517.         add_asflags -Qunused-arguments

  5518.     ;;

  5519. esac

  5520. 

  5521. case $ld_type in

  5522.     clang)

  5523.         check_ldflags -Qunused-arguments

  5524.     ;;

  5525. esac

  5526. 

  5527. case $target_os in

  5528.     osf1)

  5529.         enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'

  5530.     ;;

  5531.     plan9)

  5532.         add_cppflags -Dmain=plan9_main

  5533.     ;;

  5534. esac

  5535. 

  5536. enable frame_thread_encoder

  5537. 

  5538. enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }

  5539. 

  5540. check_deps $CONFIG_LIST       \

  5541.            $CONFIG_EXTRA      \

  5542.            $HAVE_LIST         \

  5543.            $ALL_COMPONENTS    \

  5544. 

  5545. 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"

  5546. 

  5547. 

  5548. if test $target_os = "haiku"; then

  5549.     disable memalign

  5550.     disable posix_memalign

  5551. fi

  5552. 

  5553. enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&

  5554.     prepend ffmpeg_libs $($ldflags_filter "-lole32" "-luser32") &&

  5555.     enable dxva2_lib

  5556. 

  5557. ! enabled_any memalign posix_memalign aligned_malloc &&

  5558.     enabled simd_align_16 && enable memalign_hack

  5559. 

  5560. # add_dep lib dep

  5561. # -> enable ${lib}_deps_${dep}

  5562. # -> add $dep to ${lib}_deps only once

  5563. add_dep() {

  5564.     lib=$1

  5565.     dep=$2

  5566.     enabled "${lib}_deps_${dep}" && return 0

  5567.     enable  "${lib}_deps_${dep}"

  5568.     prepend "${lib}_deps" $dep

  5569. }

  5570. 

  5571. # merge deps lib components

  5572. # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*

  5573. merge_deps() {

  5574.     lib=$1

  5575.     shift

  5576.     for comp in $*; do

  5577.         enabled $comp || continue

  5578.         eval "dep=\"\$${comp}_deps\""

  5579.         for d in $dep; do

  5580.             add_dep $lib $d

  5581.         done

  5582.     done

  5583. }

  5584. 

  5585. merge_deps libavfilter $FILTER_LIST

  5586. 

  5587. map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST

  5588. 

  5589. for thread in $THREADS_LIST; do

  5590.     if enabled $thread; then

  5591.         test -n "$thread_type" &&

  5592.             die "ERROR: Only one thread type must be selected." ||

  5593.             thread_type="$thread"

  5594.     fi

  5595. done

  5596. 

  5597. enabled zlib && add_cppflags -DZLIB_CONST

  5598. 

  5599. # conditional library dependencies, in linking order

  5600. enabled amovie_filter       && prepend avfilter_deps "avformat avcodec"

  5601. enabled aresample_filter    && prepend avfilter_deps "swresample"

  5602. enabled asyncts_filter      && prepend avfilter_deps "avresample"

  5603. enabled atempo_filter       && prepend avfilter_deps "avcodec"

  5604. enabled cover_rect_filter   && prepend avfilter_deps "avformat avcodec"

  5605. enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"

  5606. enabled elbg_filter         && prepend avfilter_deps "avcodec"

  5607. enabled fftfilt_filter      && prepend avfilter_deps "avcodec"

  5608. enabled find_rect_filter    && prepend avfilter_deps "avformat avcodec"

  5609. enabled mcdeint_filter      && prepend avfilter_deps "avcodec"

  5610. enabled movie_filter    && prepend avfilter_deps "avformat avcodec"

  5611. enabled pan_filter          && prepend avfilter_deps "swresample"

  5612. enabled pp_filter           && prepend avfilter_deps "postproc"

  5613. enabled removelogo_filter   && prepend avfilter_deps "avformat avcodec swscale"

  5614. enabled resample_filter && prepend avfilter_deps "avresample"

  5615. enabled sab_filter          && prepend avfilter_deps "swscale"

  5616. enabled scale_filter    && prepend avfilter_deps "swscale"

  5617. enabled showspectrum_filter && prepend avfilter_deps "avcodec"

  5618. enabled smartblur_filter    && prepend avfilter_deps "swscale"

  5619. enabled subtitles_filter    && prepend avfilter_deps "avformat avcodec"

  5620. enabled uspp_filter         && prepend avfilter_deps "avcodec"

  5621. 

  5622. enabled lavfi_indev         && prepend avdevice_deps "avfilter"

  5623. 

  5624. enabled opus_decoder    && prepend avcodec_deps "swresample"

  5625. 

  5626. expand_deps(){

  5627.     lib_deps=${1}_deps

  5628.     eval "deps=\$$lib_deps"

  5629.     append $lib_deps $(map 'eval echo \$${v}_deps' $deps)

  5630.     unique $lib_deps

  5631. }

  5632. 

  5633. #we have to remove gpl from the deps here as some code assumes all lib deps are libs

  5634. postproc_deps="$(filter_out 'gpl' $postproc_deps)"

  5635. 

  5636. map 'expand_deps $v' $LIBRARY_LIST

  5637. 

  5638. echo "install prefix            $prefix"

  5639. echo "source path               $source_path"

  5640. echo "C compiler                $cc"

  5641. echo "C library                 $libc_type"

  5642. if test "$host_cc" != "$cc"; then

  5643.     echo "host C compiler           $host_cc"

  5644.     echo "host C library            $host_libc_type"

  5645. fi

  5646. echo "ARCH                      $arch ($cpu)"

  5647. if test "$build_suffix" != ""; then

  5648.     echo "build suffix              $build_suffix"

  5649. fi

  5650. if test "$progs_suffix" != ""; then

  5651.     echo "progs suffix              $progs_suffix"

  5652. fi

  5653. if test "$extra_version" != ""; then

  5654.     echo "version string suffix     $extra_version"

  5655. fi

  5656. echo "big-endian                ${bigendian-no}"

  5657. echo "runtime cpu detection     ${runtime_cpudetect-no}"

  5658. if enabled x86; then

  5659.     echo "${yasmexe}                      ${yasm-no}"

  5660.     echo "MMX enabled               ${mmx-no}"

  5661.     echo "MMXEXT enabled            ${mmxext-no}"

  5662.     echo "3DNow! enabled            ${amd3dnow-no}"

  5663.     echo "3DNow! extended enabled   ${amd3dnowext-no}"

  5664.     echo "SSE enabled               ${sse-no}"

  5665.     echo "SSSE3 enabled             ${ssse3-no}"

  5666.     echo "AVX enabled               ${avx-no}"

  5667.     echo "XOP enabled               ${xop-no}"

  5668.     echo "FMA3 enabled              ${fma3-no}"

  5669.     echo "FMA4 enabled              ${fma4-no}"

  5670.     echo "i686 features enabled     ${i686-no}"

  5671.     echo "CMOV is fast              ${fast_cmov-no}"

  5672.     echo "EBX available             ${ebx_available-no}"

  5673.     echo "EBP available             ${ebp_available-no}"

  5674. fi

  5675. if enabled aarch64; then

  5676.     echo "NEON enabled              ${neon-no}"

  5677.     echo "VFP enabled               ${vfp-no}"

  5678. fi

  5679. if enabled arm; then

  5680.     echo "ARMv5TE enabled           ${armv5te-no}"

  5681.     echo "ARMv6 enabled             ${armv6-no}"

  5682.     echo "ARMv6T2 enabled           ${armv6t2-no}"

  5683.     echo "VFP enabled               ${vfp-no}"

  5684.     echo "NEON enabled              ${neon-no}"

  5685.     echo "THUMB enabled             ${thumb-no}"

  5686. fi

  5687. if enabled mips; then

  5688.     echo "MIPS FPU enabled          ${mipsfpu-no}"

  5689.     echo "MIPS32R5 enabled          ${mips32r5-no}"

  5690.     echo "MIPS64R6 enabled          ${mips64r6-no}"

  5691.     echo "MIPS DSP R1 enabled       ${mipsdspr1-no}"

  5692.     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"

  5693.     echo "MIPS MSA enabled          ${msa-no}"

  5694.     echo "LOONGSON3 enabled         ${loongson3-no}"

  5695. fi

  5696. if enabled ppc; then

  5697.     echo "AltiVec enabled           ${altivec-no}"

  5698.     echo "PPC 4xx optimizations     ${ppc4xx-no}"

  5699.     echo "PPC VSX optimizations     ${vsx-no}"

  5700.     echo "dcbzl available           ${dcbzl-no}"

  5701. fi

  5702. echo "debug symbols             ${debug-no}"

  5703. echo "strip symbols             ${stripping-no}"

  5704. echo "optimize for size         ${small-no}"

  5705. echo "optimizations             ${optimizations-no}"

  5706. echo "static                    ${static-no}"

  5707. echo "shared                    ${shared-no}"

  5708. echo "postprocessing support    ${postproc-no}"

  5709. echo "new filter support        ${avfilter-no}"

  5710. echo "network support           ${network-no}"

  5711. echo "threading support         ${thread_type-no}"

  5712. echo "safe bitstream reader     ${safe_bitstream_reader-no}"

  5713. echo "SDL support               ${sdl-no}"

  5714. echo "opencl enabled            ${opencl-no}"

  5715. echo "texi2html enabled         ${texi2html-no}"

  5716. echo "perl enabled              ${perl-no}"

  5717. echo "pod2man enabled           ${pod2man-no}"

  5718. echo "makeinfo enabled          ${makeinfo-no}"

  5719. echo "makeinfo supports HTML    ${makeinfo_html-no}"

  5720. test -n "$random_seed" &&

  5721.     echo "random seed               ${random_seed}"

  5722. echo

  5723. 

  5724. echo "External libraries:"

  5725. print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns

  5726. echo

  5727. 

  5728. for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do

  5729.     echo "Enabled ${type}s:"

  5730.     eval list=\$$(toupper $type)_LIST

  5731.     print_enabled '_*' $list | print_3_columns

  5732.     echo

  5733. done

  5734. 

  5735. license="LGPL version 2.1 or later"

  5736. if enabled nonfree; then

  5737.     license="nonfree and unredistributable"

  5738. elif enabled gplv3; then

  5739.     license="GPL version 3 or later"

  5740. elif enabled lgplv3; then

  5741.     license="LGPL version 3 or later"

  5742. elif enabled gpl; then

  5743.     license="GPL version 2 or later"

  5744. fi

  5745. 

  5746. echo "License: $license"

  5747. 

  5748. echo "Creating config.mak, config.h, and doc/config.texi..."

  5749. 

  5750. test -e Makefile || echo "include $source_path/Makefile" > Makefile

  5751. 

  5752. enabled stripping || strip="echo skipping strip"

  5753. 

  5754. config_files="$TMPH config.mak doc/config.texi"

  5755. 

  5756. cat > config.mak <<EOF

  5757. # Automatically generated by configure - do not modify!

  5758. ifndef FFMPEG_CONFIG_MAK

  5759. FFMPEG_CONFIG_MAK=1

  5760. FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION

  5761. prefix=$prefix

  5762. LIBDIR=\$(DESTDIR)$libdir

  5763. SHLIBDIR=\$(DESTDIR)$shlibdir

  5764. INCDIR=\$(DESTDIR)$incdir

  5765. BINDIR=\$(DESTDIR)$bindir

  5766. DATADIR=\$(DESTDIR)$datadir

  5767. DOCDIR=\$(DESTDIR)$docdir

  5768. MANDIR=\$(DESTDIR)$mandir

  5769. SRC_PATH=$source_path

  5770. ifndef MAIN_MAKEFILE

  5771. SRC_PATH:=\$(SRC_PATH:.%=..%)

  5772. endif

  5773. CC_IDENT=$cc_ident

  5774. ARCH=$arch

  5775. INTRINSICS=$intrinsics

  5776. CC=$cc

  5777. CXX=$cxx

  5778. AS=$as

  5779. LD=$ld

  5780. DEPCC=$dep_cc

  5781. DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)

  5782. DEPAS=$as

  5783. DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)

  5784. YASM=$yasmexe

  5785. DEPYASM=$yasmexe

  5786. AR=$ar

  5787. ARFLAGS=$arflags

  5788. AR_O=$ar_o

  5789. RANLIB=$ranlib

  5790. STRIP=$strip

  5791. CP=cp -p

  5792. LN_S=$ln_s

  5793. CPPFLAGS=$CPPFLAGS

  5794. CFLAGS=$CFLAGS

  5795. CXXFLAGS=$CXXFLAGS

  5796. ASFLAGS=$ASFLAGS

  5797. AS_C=$AS_C

  5798. AS_O=$AS_O

  5799. CC_C=$CC_C

  5800. CC_E=$CC_E

  5801. CC_O=$CC_O

  5802. CXX_C=$CXX_C

  5803. CXX_O=$CXX_O

  5804. LD_O=$LD_O

  5805. LD_LIB=$LD_LIB

  5806. LD_PATH=$LD_PATH

  5807. DLLTOOL=$dlltool

  5808. WINDRES=$windres

  5809. DEPWINDRES=$dep_cc

  5810. DOXYGEN=$doxygen

  5811. LDFLAGS=$LDFLAGS

  5812. LDEXEFLAGS=$LDEXEFLAGS

  5813. SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))

  5814. ASMSTRIPFLAGS=$ASMSTRIPFLAGS

  5815. YASMFLAGS=$YASMFLAGS

  5816. BUILDSUF=$build_suffix

  5817. PROGSSUF=$progs_suffix

  5818. FULLNAME=$FULLNAME

  5819. LIBPREF=$LIBPREF

  5820. LIBSUF=$LIBSUF

  5821. LIBNAME=$LIBNAME

  5822. SLIBPREF=$SLIBPREF

  5823. SLIBSUF=$SLIBSUF

  5824. EXESUF=$EXESUF

  5825. EXTRA_VERSION=$extra_version

  5826. CCDEP=$CCDEP

  5827. CXXDEP=$CXXDEP

  5828. CCDEP_FLAGS=$CCDEP_FLAGS

  5829. ASDEP=$ASDEP

  5830. ASDEP_FLAGS=$ASDEP_FLAGS

  5831. CC_DEPFLAGS=$CC_DEPFLAGS

  5832. AS_DEPFLAGS=$AS_DEPFLAGS

  5833. HOSTCC=$host_cc

  5834. HOSTLD=$host_ld

  5835. HOSTCFLAGS=$host_cflags

  5836. HOSTCPPFLAGS=$host_cppflags

  5837. HOSTEXESUF=$HOSTEXESUF

  5838. HOSTLDFLAGS=$host_ldflags

  5839. HOSTLIBS=$host_libs

  5840. DEPHOSTCC=$host_cc

  5841. DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)

  5842. HOSTCCDEP=$HOSTCCDEP

  5843. HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS

  5844. HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS

  5845. HOSTCC_C=$HOSTCC_C

  5846. HOSTCC_O=$HOSTCC_O

  5847. HOSTLD_O=$HOSTLD_O

  5848. TARGET_EXEC=$target_exec $target_exec_args

  5849. TARGET_PATH=$target_path

  5850. TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}

  5851. CFLAGS-ffplay=$sdl_cflags

  5852. ZLIB=$($ldflags_filter -lz)

  5853. LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD

  5854. EXTRALIBS=$extralibs

  5855. COMPAT_OBJS=$compat_objs

  5856. EXEOBJS=$exeobjs

  5857. INSTALL=$install

  5858. LIBTARGET=${LIBTARGET}

  5859. SLIBNAME=${SLIBNAME}

  5860. SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}

  5861. SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}

  5862. SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}

  5863. SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}

  5864. SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}

  5865. SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}

  5866. SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}

  5867. SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}

  5868. SAMPLES:=${samples:-\$(FATE_SAMPLES)}

  5869. NOREDZONE_FLAGS=$noredzone_flags

  5870. EOF

  5871. 

  5872. get_version(){

  5873.     lcname=lib${1}

  5874.     name=$(toupper $lcname)

  5875.     file=$source_path/$lcname/version.h

  5876.     eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")

  5877.     enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))

  5878.     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO

  5879.     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak

  5880.     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak

  5881.     eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak

  5882. }

  5883. 

  5884. map 'get_version $v' $LIBRARY_LIST

  5885. 

  5886. map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST

  5887. 

  5888. print_program_libs(){

  5889.     eval "program_libs=\$${1}_libs"

  5890.     eval echo "LIBS-${1}=${program_libs}" >> config.mak

  5891. }

  5892. 

  5893. map 'print_program_libs $v' $PROGRAM_LIST

  5894. 

  5895. cat > $TMPH <<EOF

  5896. /* Automatically generated by configure - do not modify! */

  5897. #ifndef FFMPEG_CONFIG_H

  5898. #define FFMPEG_CONFIG_H

  5899. #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"

  5900. #define FFMPEG_LICENSE "$(c_escape $license)"

  5901. #define CONFIG_THIS_YEAR 2015

  5902. #define FFMPEG_DATADIR "$(eval c_escape $datadir)"

  5903. #define AVCONV_DATADIR "$(eval c_escape $datadir)"

  5904. #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"

  5905. #define av_restrict $_restrict

  5906. #define EXTERN_PREFIX "${extern_prefix}"

  5907. #define EXTERN_ASM ${extern_prefix}

  5908. #define BUILDSUF "$build_suffix"

  5909. #define SLIBSUF "$SLIBSUF"

  5910. #define HAVE_MMX2 HAVE_MMXEXT

  5911. #define SWS_MAX_FILTER_SIZE $sws_max_filter_size

  5912. EOF

  5913. 

  5914. test -n "$assert_level" &&

  5915.     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH

  5916. 

  5917. test -n "$malloc_prefix" &&

  5918.     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH

  5919. 

  5920. if enabled yasm; then

  5921.     append config_files $TMPASM

  5922.     printf '' >$TMPASM

  5923. fi

  5924. 

  5925. enabled getenv || echo "#define getenv(x) NULL" >> $TMPH

  5926. 

  5927. 

  5928. mkdir -p doc

  5929. mkdir -p tests

  5930. echo "@c auto-generated by configure" > doc/config.texi

  5931. 

  5932. print_config ARCH_   "$config_files" $ARCH_LIST

  5933. print_config HAVE_   "$config_files" $HAVE_LIST

  5934. print_config CONFIG_ "$config_files" $CONFIG_LIST       \

  5935.                                      $CONFIG_EXTRA      \

  5936.                                      $ALL_COMPONENTS    \

  5937. 

  5938. echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH

  5939. echo "endif # FFMPEG_CONFIG_MAK" >> config.mak

  5940. 

  5941. # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.

  5942. cp_if_changed $TMPH config.h

  5943. touch .config

  5944. 

  5945. enabled yasm && cp_if_changed $TMPASM config.asm

  5946. 

  5947. cat > $TMPH <<EOF

  5948. /* Generated by ffconf */

  5949. #ifndef AVUTIL_AVCONFIG_H

  5950. #define AVUTIL_AVCONFIG_H

  5951. EOF

  5952. 

  5953. print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB

  5954. 

  5955. echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH

  5956. 

  5957. cp_if_changed $TMPH libavutil/avconfig.h

  5958. 

  5959. if test -n "$WARNINGS"; then

  5960.     printf "\n$WARNINGS"

  5961.     enabled fatal_warnings && exit 1

  5962. fi

  5963. 

  5964. # build pkg-config files

  5965. 

  5966. lib_version(){

  5967.     eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""

  5968. }

  5969. 

  5970. pkgconfig_generate(){

  5971.     name=$1

  5972.     shortname=${name#lib}${build_suffix}

  5973.     comment=$2

  5974.     version=$3

  5975.     libs=$4

  5976.     requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))

  5977.     requires=${requires%, }

  5978.     enabled ${name#lib} || return 0

  5979.     mkdir -p $name

  5980.     cat <<EOF > $name/$name${build_suffix}.pc

  5981. prefix=$prefix

  5982. exec_prefix=\${prefix}

  5983. libdir=$libdir

  5984. includedir=$incdir

  5985. 

  5986. Name: $name

  5987. Description: $comment

  5988. Version: $version

  5989. Requires: $(enabled shared || echo $requires)

  5990. Requires.private: $(enabled shared && echo $requires)

  5991. Conflicts:

  5992. Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)

  5993. Libs.private: $(enabled shared && echo $libs)

  5994. Cflags: -I\${includedir}

  5995. EOF

  5996. 

  5997. mkdir -p doc/examples/pc-uninstalled

  5998. includedir=${source_path}

  5999. [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."

  6000.     cat <<EOF > doc/examples/pc-uninstalled/$name.pc

  6001. prefix=

  6002. exec_prefix=

  6003. libdir=\${pcfiledir}/../../../$name

  6004. includedir=${includedir}

  6005. 

  6006. Name: $name

  6007. Description: $comment

  6008. Version: $version

  6009. Requires: $requires

  6010. Conflicts:

  6011. Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)

  6012. Cflags: -I\${includedir}

  6013. EOF

  6014. }

  6015. 

  6016. pkgconfig_generate libavutil     "FFmpeg utility library"               "$LIBAVUTIL_VERSION"     "$LIBRT $LIBM"

  6017. pkgconfig_generate libavcodec    "FFmpeg codec library"                 "$LIBAVCODEC_VERSION"    "$extralibs"

  6018. pkgconfig_generate libavformat   "FFmpeg container format library"      "$LIBAVFORMAT_VERSION"   "$extralibs"

  6019. pkgconfig_generate libavdevice   "FFmpeg device handling library"       "$LIBAVDEVICE_VERSION"   "$extralibs"

  6020. pkgconfig_generate libavfilter   "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION"   "$extralibs"

  6021. pkgconfig_generate libpostproc   "FFmpeg postprocessing library"        "$LIBPOSTPROC_VERSION"   ""

  6022. pkgconfig_generate libavresample "Libav audio resampling library"       "$LIBAVRESAMPLE_VERSION" "$LIBM"

  6023. pkgconfig_generate libswscale    "FFmpeg image rescaling library"       "$LIBSWSCALE_VERSION"    "$LIBM"

  6024. pkgconfig_generate libswresample "FFmpeg audio resampling library"      "$LIBSWRESAMPLE_VERSION" "$LIBM"