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FFmpeg
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FFmpeg/configure

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  1. #!/bin/sh

  2. #

  3. # FFmpeg configure script

  4. #

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

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

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

  8. #

  9. 

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

  11. LC_ALL=C

  12. export LC_ALL

  13. 

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

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

  16. 

  17. try_exec(){

  18.     echo "Trying shell $1"

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

  20. }

  21. 

  22. unset foo

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

  24. E1="$?"

  25. 

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

  27. E2="$?"

  28. 

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

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

  31.     export FF_CONF_EXEC

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

  33.         FF_CONF_EXEC=1

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

  35.     fi

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

  37.         FF_CONF_EXEC=2

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

  39.     fi

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

  41.         FF_CONF_EXEC=3

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

  43.     fi

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

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

  46.     echo "such as bash or ksh."

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

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

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

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

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

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

  53.     fi

  54.     exit 1

  55. fi

  56. 

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

  58. 

  59. show_help(){

  60.     cat <<EOF

  61. Usage: configure [options]

  62. Options: [defaults in brackets after descriptions]

  63. 

  64. Help options:

  65.   --help                   print this message

  66.   --list-decoders          show all available decoders

  67.   --list-encoders          show all available encoders

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

  69.   --list-demuxers          show all available demuxers

  70.   --list-muxers            show all available muxers

  71.   --list-parsers           show all available parsers

  72.   --list-protocols         show all available protocols

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

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

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

  76.   --list-filters           show all available filters

  77. 

  78. Standard options:

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

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

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

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

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

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

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

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

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

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

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

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

  91.                            not part of the dynamic linker search path

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

  93. 

  94. Licensing options:

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

  96.                            and binaries will be under GPL [no]

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

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

  99.                            and binaries will be unredistributable [no]

  100. 

  101. Configuration options:

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

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

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

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

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

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

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

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

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

  111. 

  112. Program options:

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

  114.   --disable-ffmpeg         disable ffmpeg build

  115.   --disable-ffplay         disable ffplay build

  116.   --disable-ffprobe        disable ffprobe build

  117.   --disable-ffserver       disable ffserver build

  118. 

  119. Documentation options:

  120.   --disable-doc            do not build documentation

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

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

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

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

  125. 

  126. Component options:

  127.   --disable-avdevice       disable libavdevice build

  128.   --disable-avcodec        disable libavcodec build

  129.   --disable-avformat       disable libavformat build

  130.   --disable-avutil         disable libavutil build

  131.   --disable-swresample     disable libswresample build

  132.   --disable-swscale        disable libswscale build

  133.   --disable-postproc       disable libpostproc build

  134.   --disable-avfilter       disable libavfilter build

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

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

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

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

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

  140.   --disable-dct            disable DCT code

  141.   --disable-dwt            disable DWT code

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

  143.   --disable-lsp            disable LSP code

  144.   --disable-lzo            disable LZO decoder code

  145.   --disable-mdct           disable MDCT code

  146.   --disable-rdft           disable RDFT code

  147.   --disable-fft            disable FFT code

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

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

  150. 

  151. Hardware accelerators:

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

  370. 

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

  372.   --disable-debug          disable debugging symbols

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

  374.   --disable-optimizations  disable compiler optimizations

  375.   --enable-extra-warnings  enable more compiler warnings

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

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

  378.                            2 causes a slowdown at runtime.

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

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

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

  382.                            Cannot be combined with --target-exec

  383.   --enable-ftrapv          Trap arithmetic overflows

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

  385.                            \$FATE_SAMPLES at make invocation time.

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

  387.                            used only for debugging purposes)

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

  389.                            should be used only for debugging purposes)

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

  391.   --disable-random

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

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

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

  395.                            (group) and PROB the probability associated with

  396.                            NAME (default 0.5).

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

  398. 

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

  400. EOF

  401.   exit 0

  402. }

  403. 

  404. quotes='""'

  405. 

  406. log(){

  407.     echo "$@" >> $logfile

  408. }

  409. 

  410. log_file(){

  411.     log BEGIN $1

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

  413.     log END $1

  414. }

  415. 

  416. echolog(){

  417.     log "$@"

  418.     echo "$@"

  419. }

  420. 

  421. warn(){

  422.     log "WARNING: $*"

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

  424. }

  425. 

  426. die(){

  427.     echolog "$@"

  428.     cat <<EOF

  429. 

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

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

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

  433. EOF

  434.     if disabled logging; then

  435.         cat <<EOF

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

  437. include the log this produces with your report.

  438. EOF

  439.     else

  440.         cat <<EOF

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

  442. solve the problem.

  443. EOF

  444.     fi

  445.     exit 1

  446. }

  447. 

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

  449. toupper(){

  450.     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ

  451. }

  452. 

  453. tolower(){

  454.     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz

  455. }

  456. 

  457. c_escape(){

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

  459. }

  460. 

  461. sh_quote(){

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

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

  464.     echo "$v"

  465. }

  466. 

  467. cleanws(){

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

  469. }

  470. 

  471. filter(){

  472.     pat=$1

  473.     shift

  474.     for v; do

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

  476.     done

  477. }

  478. 

  479. filter_out(){

  480.     pat=$1

  481.     shift

  482.     for v; do

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

  484.     done

  485. }

  486. 

  487. map(){

  488.     m=$1

  489.     shift

  490.     for v; do eval $m; done

  491. }

  492. 

  493. add_suffix(){

  494.     suffix=$1

  495.     shift

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

  497. }

  498. 

  499. set_all(){

  500.     value=$1

  501.     shift

  502.     for var in $*; do

  503.         eval $var=$value

  504.     done

  505. }

  506. 

  507. set_weak(){

  508.     value=$1

  509.     shift

  510.     for var; do

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

  512.     done

  513. }

  514. 

  515. sanitize_var_name(){

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

  517. }

  518. 

  519. set_safe(){

  520.     var=$1

  521.     shift

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

  523. }

  524. 

  525. get_safe(){

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

  527. }

  528. 

  529. pushvar(){

  530.     for pvar in $*; do

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

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

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

  534.     done

  535. }

  536. 

  537. popvar(){

  538.     for pvar in $*; do

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

  540.         test $level = 0 && continue

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

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

  543.         eval ${pvar}_level=$level

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

  545.     done

  546. }

  547. 

  548. enable(){

  549.     set_all yes $*

  550. }

  551. 

  552. disable(){

  553.     set_all no $*

  554. }

  555. 

  556. enable_weak(){

  557.     set_weak yes $*

  558. }

  559. 

  560. disable_weak(){

  561.     set_weak no $*

  562. }

  563. 

  564. enable_safe(){

  565.     for var; do

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

  567.     done

  568. }

  569. 

  570. disable_safe(){

  571.     for var; do

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

  573.     done

  574. }

  575. 

  576. do_enable_deep(){

  577.     for var; do

  578.         enabled $var && continue

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

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

  581.         pushvar var sgs

  582.         enable_deep $sel

  583.         popvar sgs

  584.         enable_deep_weak $sgs

  585.         popvar var

  586.     done

  587. }

  588. 

  589. enable_deep(){

  590.     do_enable_deep $*

  591.     enable $*

  592. }

  593. 

  594. enable_deep_weak(){

  595.     for var; do

  596.         disabled $var && continue

  597.         pushvar var

  598.         do_enable_deep $var

  599.         popvar var

  600.         enable_weak $var

  601.     done

  602. }

  603. 

  604. enabled(){

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

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

  607. }

  608. 

  609. disabled(){

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

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

  612. }

  613. 

  614. enabled_all(){

  615.     for opt; do

  616.         enabled $opt || return 1

  617.     done

  618. }

  619. 

  620. disabled_all(){

  621.     for opt; do

  622.         disabled $opt || return 1

  623.     done

  624. }

  625. 

  626. enabled_any(){

  627.     for opt; do

  628.         enabled $opt && return 0

  629.     done

  630. }

  631. 

  632. disabled_any(){

  633.     for opt; do

  634.         disabled $opt && return 0

  635.     done

  636.     return 1

  637. }

  638. 

  639. set_default(){

  640.     for opt; do

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

  642.     done

  643. }

  644. 

  645. is_in(){

  646.     value=$1

  647.     shift

  648.     for var in $*; do

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

  650.     done

  651.     return 1

  652. }

  653. 

  654. do_check_deps(){

  655.     for cfg; do

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

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

  658.         disabled ${cfg}_checking && continue

  659.         enable ${cfg}_checking

  660.         append allopts $cfg

  661. 

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

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

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

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

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

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

  668. 

  669.         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

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

  671.         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

  672. 

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

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

  675.         enabled_all  $dep_all || disable $cfg

  676.         enabled_any  $dep_any || disable $cfg

  677.         disabled_any $dep_sel && disable $cfg

  678. 

  679.         if enabled $cfg; then

  680.             enable_deep $dep_sel

  681.             enable_deep_weak $dep_sgs

  682.         fi

  683. 

  684.         disable ${cfg}_checking

  685.     done

  686. }

  687. 

  688. check_deps(){

  689.     unset allopts

  690. 

  691.     do_check_deps "$@"

  692. 

  693.     for cfg in $allopts; do

  694.         enabled $cfg || continue

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

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

  697.     done

  698. }

  699. 

  700. print_config(){

  701.     pfx=$1

  702.     files=$2

  703.     shift 2

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

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

  706.         {

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

  708.             v = \$2;

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

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

  711.             for (f in files) {

  712.                 file = files[f];

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

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

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

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

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

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

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

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

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

  722.                     yesno = \$2;

  723.                     c2 = tolower(c);

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

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

  726.                 }

  727.             }

  728.         }"

  729. }

  730. 

  731. print_enabled(){

  732.     suf=$1

  733.     shift

  734.     for v; do

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

  736.     done

  737. }

  738. 

  739. append(){

  740.     var=$1

  741.     shift

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

  743. }

  744. 

  745. prepend(){

  746.     var=$1

  747.     shift

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

  749. }

  750. 

  751. unique(){

  752.     var=$1

  753.     uniq_list=""

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

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

  756.     done

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

  758. }

  759. 

  760. add_cppflags(){

  761.     append CPPFLAGS "$@"

  762. }

  763. 

  764. add_cflags(){

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

  766. }

  767. 

  768. add_cxxflags(){

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

  770. }

  771. 

  772. add_asflags(){

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

  774. }

  775. 

  776. add_ldflags(){

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

  778. }

  779. 

  780. add_ldexeflags(){

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

  782. }

  783. 

  784. add_stripflags(){

  785.     append ASMSTRIPFLAGS "$@"

  786. }

  787. 

  788. add_extralibs(){

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

  790. }

  791. 

  792. add_host_cppflags(){

  793.     append host_cppflags "$@"

  794. }

  795. 

  796. add_host_cflags(){

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

  798. }

  799. 

  800. add_host_ldflags(){

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

  802. }

  803. 

  804. add_compat(){

  805.     append compat_objs $1

  806.     shift

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

  808. }

  809. 

  810. check_cmd(){

  811.     log "$@"

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

  813. }

  814. 

  815. check_stat(){

  816.     log check_stat "$@"

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

  818. }

  819. 

  820. cc_o(){

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

  822. }

  823. 

  824. cc_e(){

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

  826. }

  827. 

  828. check_cc(){

  829.     log check_cc "$@"

  830.     cat > $TMPC

  831.     log_file $TMPC

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

  833. }

  834. 

  835. check_cxx(){

  836.     log check_cxx "$@"

  837.     cat > $TMPCPP

  838.     log_file $TMPCPP

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

  840. }

  841. 

  842. check_oc(){

  843.     log check_oc "$@"

  844.     cat > $TMPM

  845.     log_file $TMPM

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

  847. }

  848. 

  849. check_cpp(){

  850.     log check_cpp "$@"

  851.     cat > $TMPC

  852.     log_file $TMPC

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

  854. }

  855. 

  856. as_o(){

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

  858. }

  859. 

  860. check_as(){

  861.     log check_as "$@"

  862.     cat > $TMPS

  863.     log_file $TMPS

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

  865. }

  866. 

  867. check_inline_asm(){

  868.     log check_inline_asm "$@"

  869.     name="$1"

  870.     code="$2"

  871.     shift 2

  872.     disable $name

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

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

  875. EOF

  876. }

  877. 

  878. check_insn(){

  879.     log check_insn "$@"

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

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

  882. }

  883. 

  884. check_yasm(){

  885.     log check_yasm "$@"

  886.     echo "$1" > $TMPS

  887.     log_file $TMPS

  888.     shift 1

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

  890. }

  891. 

  892. ld_o(){

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

  894. }

  895. 

  896. check_ld(){

  897.     log check_ld "$@"

  898.     type=$1

  899.     shift 1

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

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

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

  903.     flags=$($ldflags_filter $flags)

  904.     libs=$($ldflags_filter $libs)

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

  906. }

  907. 

  908. print_include(){

  909.     hdr=$1

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

  911.         echo "#include $hdr"    ||

  912.         echo "#include <$hdr>"

  913. }

  914. 

  915. check_code(){

  916.     log check_code "$@"

  917.     check=$1

  918.     headers=$2

  919.     code=$3

  920.     shift 3

  921.     {

  922.         for hdr in $headers; do

  923.             print_include $hdr

  924.         done

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

  926.     } | check_$check "$@"

  927. }

  928. 

  929. check_cppflags(){

  930.     log check_cppflags "$@"

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

  932. int x;

  933. EOF

  934. }

  935. 

  936. test_cflags(){

  937.     log test_cflags "$@"

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

  939.     check_cc "$@" <<EOF

  940. int x;

  941. EOF

  942. }

  943. 

  944. check_cflags(){

  945.     log check_cflags "$@"

  946.     test_cflags "$@" && add_cflags "$@"

  947. }

  948. 

  949. check_cxxflags(){

  950.     log check_cxxflags "$@"

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

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

  953. int x;

  954. EOF

  955. }

  956. 

  957. test_ldflags(){

  958.     log test_ldflags "$@"

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

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

  961. EOF

  962. }

  963. 

  964. check_ldflags(){

  965.     log check_ldflags "$@"

  966.     test_ldflags "$@" && add_ldflags "$@"

  967. }

  968. 

  969. test_stripflags(){

  970.     log test_stripflags "$@"

  971.     # call check_cc to get a fresh TMPO

  972.     check_cc <<EOF

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

  974. EOF

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

  976. }

  977. 

  978. check_stripflags(){

  979.     log check_stripflags "$@"

  980.     test_stripflags "$@" && add_stripflags "$@"

  981. }

  982. 

  983. check_header(){

  984.     log check_header "$@"

  985.     header=$1

  986.     shift

  987.     disable_safe $header

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

  989. #include <$header>

  990. int x;

  991. EOF

  992. }

  993. 

  994. check_header_oc(){

  995.     log check_header_oc "$@"

  996.     rm -f -- "$TMPO"

  997.     header=$1

  998.     shift

  999.     disable_safe $header

  1000.     {

  1001.        echo "#include <$header>"

  1002.        echo "int main(void) { return 0; }"

  1003.     } | check_oc && check_stat "$TMPO" && enable_safe $headers

  1004. }

  1005. 

  1006. check_func(){

  1007.     log check_func "$@"

  1008.     func=$1

  1009.     shift

  1010.     disable $func

  1011.     check_ld "cc" "$@" <<EOF && enable $func

  1012. extern int $func();

  1013. int main(void){ $func(); }

  1014. EOF

  1015. }

  1016. 

  1017. check_mathfunc(){

  1018.     log check_mathfunc "$@"

  1019.     func=$1

  1020.     narg=$2

  1021.     shift 2

  1022.     test $narg = 2 && args="f, g" || args="f"

  1023.     disable $func

  1024.     check_ld "cc" "$@" <<EOF && enable $func

  1025. #include <math.h>

  1026. float foo(float f, float g) { return $func($args); }

  1027. int main(void){ return (int) foo; }

  1028. EOF

  1029. }

  1030. 

  1031. check_func_headers(){

  1032.     log check_func_headers "$@"

  1033.     headers=$1

  1034.     funcs=$2

  1035.     shift 2

  1036.     {

  1037.         for hdr in $headers; do

  1038.             print_include $hdr

  1039.         done

  1040.         for func in $funcs; do

  1041.             echo "long check_$func(void) { return (long) $func; }"

  1042.         done

  1043.         echo "int main(void) { return 0; }"

  1044.     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers

  1045. }

  1046. 

  1047. check_class_headers_cpp(){

  1048.     log check_class_headers_cpp "$@"

  1049.     headers=$1

  1050.     classes=$2

  1051.     shift 2

  1052.     {

  1053.         for hdr in $headers; do

  1054.             echo "#include <$hdr>"

  1055.         done

  1056.         echo "int main(void) { "

  1057.         i=1

  1058.         for class in $classes; do

  1059.             echo "$class obj$i;"

  1060.             i=$(expr $i + 1)

  1061.         done

  1062.         echo "return 0; }"

  1063.     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers

  1064. }

  1065. 

  1066. check_cpp_condition(){

  1067.     log check_cpp_condition "$@"

  1068.     header=$1

  1069.     condition=$2

  1070.     shift 2

  1071.     check_cpp "$@" <<EOF

  1072. #include <$header>

  1073. #if !($condition)

  1074. #error "unsatisfied condition: $condition"

  1075. #endif

  1076. EOF

  1077. }

  1078. 

  1079. check_lib(){

  1080.     log check_lib "$@"

  1081.     header="$1"

  1082.     func="$2"

  1083.     shift 2

  1084.     check_header $header && check_func $func "$@" && add_extralibs "$@"

  1085. }

  1086. 

  1087. check_lib2(){

  1088.     log check_lib2 "$@"

  1089.     headers="$1"

  1090.     funcs="$2"

  1091.     shift 2

  1092.     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"

  1093. }

  1094. 

  1095. check_lib_cpp(){

  1096.     log check_lib_cpp "$@"

  1097.     headers="$1"

  1098.     classes="$2"

  1099.     shift 2

  1100.     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"

  1101. }

  1102. 

  1103. check_pkg_config(){

  1104.     log check_pkg_config "$@"

  1105.     pkgandversion="$1"

  1106.     pkg="${1%% *}"

  1107.     headers="$2"

  1108.     funcs="$3"

  1109.     shift 3

  1110.     check_cmd $pkg_config --exists --print-errors $pkgandversion || return

  1111.     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)

  1112.     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)

  1113.     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&

  1114.         set_safe ${pkg}_cflags $pkg_cflags   &&

  1115.         set_safe ${pkg}_libs   $pkg_libs

  1116. }

  1117. 

  1118. check_exec(){

  1119.     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }

  1120. }

  1121. 

  1122. check_exec_crash(){

  1123.     code=$(cat)

  1124. 

  1125.     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)

  1126.     # are safe but may not be available everywhere.  Thus we use

  1127.     # raise(SIGTERM) instead.  The check is run in a subshell so we

  1128.     # can redirect the "Terminated" message from the shell.  SIGBUS

  1129.     # is not defined by standard C so it is used conditionally.

  1130. 

  1131.     (check_exec "$@") >> $logfile 2>&1 <<EOF

  1132. #include <signal.h>

  1133. static void sighandler(int sig){

  1134.     raise(SIGTERM);

  1135. }

  1136. int foo(void){

  1137.     $code

  1138. }

  1139. int (*func_ptr)(void) = foo;

  1140. int main(void){

  1141.     signal(SIGILL, sighandler);

  1142.     signal(SIGFPE, sighandler);

  1143.     signal(SIGSEGV, sighandler);

  1144. #ifdef SIGBUS

  1145.     signal(SIGBUS, sighandler);

  1146. #endif

  1147.     return func_ptr();

  1148. }

  1149. EOF

  1150. }

  1151. 

  1152. check_type(){

  1153.     log check_type "$@"

  1154.     headers=$1

  1155.     type=$2

  1156.     shift 2

  1157.     disable_safe "$type"

  1158.     check_code cc "$headers" "$type v" "$@" && enable_safe "$type"

  1159. }

  1160. 

  1161. check_struct(){

  1162.     log check_struct "$@"

  1163.     headers=$1

  1164.     struct=$2

  1165.     member=$3

  1166.     shift 3

  1167.     disable_safe "${struct}_${member}"

  1168.     check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&

  1169.         enable_safe "${struct}_${member}"

  1170. }

  1171. 

  1172. check_builtin(){

  1173.     log check_builtin "$@"

  1174.     name=$1

  1175.     headers=$2

  1176.     builtin=$3

  1177.     shift 3

  1178.     disable "$name"

  1179.     check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"

  1180. }

  1181. 

  1182. check_compile_assert(){

  1183.     log check_compile_assert "$@"

  1184.     name=$1

  1185.     headers=$2

  1186.     condition=$3

  1187.     shift 3

  1188.     disable "$name"

  1189.     check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"

  1190. }

  1191. 

  1192. require(){

  1193.     name="$1"

  1194.     header="$2"

  1195.     func="$3"

  1196.     shift 3

  1197.     check_lib $header $func "$@" || die "ERROR: $name not found"

  1198. }

  1199. 

  1200. require2(){

  1201.     name="$1"

  1202.     headers="$2"

  1203.     func="$3"

  1204.     shift 3

  1205.     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"

  1206. }

  1207. 

  1208. require_cpp(){

  1209.     name="$1"

  1210.     headers="$2"

  1211.     classes="$3"

  1212.     shift 3

  1213.     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"

  1214. }

  1215. 

  1216. use_pkg_config(){

  1217.     pkg="$1"

  1218.     check_pkg_config "$@" || return 1

  1219.     add_cflags    $(get_safe ${pkg}_cflags)

  1220.     add_extralibs $(get_safe ${pkg}_libs)

  1221. }

  1222. 

  1223. require_pkg_config(){

  1224.     use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"

  1225. }

  1226. 

  1227. require_libfreetype(){

  1228.     log require_libfreetype "$@"

  1229.     pkg="freetype2"

  1230.     check_cmd $pkg_config --exists --print-errors $pkg \

  1231.       || die "ERROR: $pkg not found"

  1232.     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)

  1233.     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)

  1234.     {

  1235.         echo "#include <ft2build.h>"

  1236.         echo "#include FT_FREETYPE_H"

  1237.         echo "long check_func(void) { return (long) FT_Init_FreeType; }"

  1238.         echo "int main(void) { return 0; }"

  1239.     } | check_ld "cc" $pkg_cflags $pkg_libs \

  1240.       && set_safe ${pkg}_cflags $pkg_cflags \

  1241.       && set_safe ${pkg}_libs   $pkg_libs \

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

  1243.     add_cflags    $(get_safe ${pkg}_cflags)

  1244.     add_extralibs $(get_safe ${pkg}_libs)

  1245. }

  1246. 

  1247. hostcc_e(){

  1248.     eval printf '%s\\n' $HOSTCC_E

  1249. }

  1250. 

  1251. hostcc_o(){

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

  1253. }

  1254. 

  1255. check_host_cc(){

  1256.     log check_host_cc "$@"

  1257.     cat > $TMPC

  1258.     log_file $TMPC

  1259.     check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC

  1260. }

  1261. 

  1262. check_host_cpp(){

  1263.     log check_host_cpp "$@"

  1264.     cat > $TMPC

  1265.     log_file $TMPC

  1266.     check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC

  1267. }

  1268. 

  1269. check_host_cppflags(){

  1270.     log check_host_cppflags "$@"

  1271.     check_host_cc "$@" <<EOF && append host_cppflags "$@"

  1272. int x;

  1273. EOF

  1274. }

  1275. 

  1276. check_host_cflags(){

  1277.     log check_host_cflags "$@"

  1278.     set -- $($host_cflags_filter "$@")

  1279.     check_host_cc "$@" <<EOF && append host_cflags "$@"

  1280. int x;

  1281. EOF

  1282. }

  1283. 

  1284. check_host_cpp_condition(){

  1285.     log check_host_cpp_condition "$@"

  1286.     header=$1

  1287.     condition=$2

  1288.     shift 2

  1289.     check_host_cpp "$@" <<EOF

  1290. #include <$header>

  1291. #if !($condition)

  1292. #error "unsatisfied condition: $condition"

  1293. #endif

  1294. EOF

  1295. }

  1296. 

  1297. apply(){

  1298.     file=$1

  1299.     shift

  1300.     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"

  1301. }

  1302. 

  1303. cp_if_changed(){

  1304.     cmp -s "$1" "$2" && echo "$2 is unchanged" && return

  1305.     mkdir -p "$(dirname $2)"

  1306.     $cp_f "$1" "$2"

  1307. }

  1308. 

  1309. # CONFIG_LIST contains configurable options, while HAVE_LIST is for

  1310. # system-dependent things.

  1311. 

  1312. COMPONENT_LIST="

  1313.     bsfs

  1314.     decoders

  1315.     demuxers

  1316.     encoders

  1317.     filters

  1318.     hwaccels

  1319.     indevs

  1320.     muxers

  1321.     outdevs

  1322.     parsers

  1323.     protocols

  1324. "

  1325. 

  1326. EXAMPLE_LIST="

  1327.     avio_reading_example

  1328.     avio_list_dir_example

  1329.     decoding_encoding_example

  1330.     demuxing_decoding_example

  1331.     extract_mvs_example

  1332.     filter_audio_example

  1333.     filtering_audio_example

  1334.     filtering_video_example

  1335.     metadata_example

  1336.     muxing_example

  1337.     qsvdec_example

  1338.     remuxing_example

  1339.     resampling_audio_example

  1340.     scaling_video_example

  1341.     transcode_aac_example

  1342.     transcoding_example

  1343. "

  1344. 

  1345. EXTERNAL_LIBRARY_LIST="

  1346.     avisynth

  1347.     bzlib

  1348.     crystalhd

  1349.     decklink

  1350.     frei0r

  1351.     gnutls

  1352.     iconv

  1353.     ladspa

  1354.     libaacplus

  1355.     libass

  1356.     libbluray

  1357.     libbs2b

  1358.     libcaca

  1359.     libcdio

  1360.     libcelt

  1361.     libdc1394

  1362.     libdcadec

  1363.     libfaac

  1364.     libfdk_aac

  1365.     libflite

  1366.     libfontconfig

  1367.     libfreetype

  1368.     libfribidi

  1369.     libgme

  1370.     libgsm

  1371.     libiec61883

  1372.     libilbc

  1373.     libmfx

  1374.     libmodplug

  1375.     libmp3lame

  1376.     libnut

  1377.     libopencore_amrnb

  1378.     libopencore_amrwb

  1379.     libopencv

  1380.     libopenh264

  1381.     libopenjpeg

  1382.     libopus

  1383.     libpulse

  1384.     libquvi

  1385.     librtmp

  1386.     libschroedinger

  1387.     libshine

  1388.     libsmbclient

  1389.     libsoxr

  1390.     libspeex

  1391.     libssh

  1392.     libstagefright_h264

  1393.     libtheora

  1394.     libtwolame

  1395.     libutvideo

  1396.     libv4l2

  1397.     libvidstab

  1398.     libvo_aacenc

  1399.     libvo_amrwbenc

  1400.     libvorbis

  1401.     libvpx

  1402.     libwavpack

  1403.     libwebp

  1404.     libx264

  1405.     libx265

  1406.     libxavs

  1407.     libxcb

  1408.     libxcb_shm

  1409.     libxcb_shape

  1410.     libxcb_xfixes

  1411.     libxvid

  1412.     libzmq

  1413.     libzvbi

  1414.     lzma

  1415.     mmal

  1416.     nvenc

  1417.     openal

  1418.     opencl

  1419.     opengl

  1420.     openssl

  1421.     sdl

  1422.     x11grab

  1423.     xlib

  1424.     zlib

  1425. "

  1426. 

  1427. DOCUMENT_LIST="

  1428.     doc

  1429.     htmlpages

  1430.     manpages

  1431.     podpages

  1432.     txtpages

  1433. "

  1434. 

  1435. FEATURE_LIST="

  1436.     ftrapv

  1437.     gray

  1438.     hardcoded_tables

  1439.     runtime_cpudetect

  1440.     safe_bitstream_reader

  1441.     shared

  1442.     small

  1443.     static

  1444.     swscale_alpha

  1445. "

  1446. 

  1447. HWACCEL_LIST="

  1448.     dxva2

  1449.     vaapi

  1450.     vda

  1451.     vdpau

  1452.     xvmc

  1453. "

  1454. 

  1455. LIBRARY_LIST="

  1456.     avcodec

  1457.     avdevice

  1458.     avfilter

  1459.     avformat

  1460.     avresample

  1461.     avutil

  1462.     postproc

  1463.     swresample

  1464.     swscale

  1465. "

  1466. 

  1467. LICENSE_LIST="

  1468.     gpl

  1469.     nonfree

  1470.     version3

  1471. "

  1472. 

  1473. PROGRAM_LIST="

  1474.     ffplay

  1475.     ffprobe

  1476.     ffserver

  1477.     ffmpeg

  1478. "

  1479. 

  1480. SUBSYSTEM_LIST="

  1481.     dct

  1482.     dwt

  1483.     error_resilience

  1484.     faan

  1485.     fast_unaligned

  1486.     fft

  1487.     lsp

  1488.     lzo

  1489.     mdct

  1490.     pixelutils

  1491.     network

  1492.     rdft

  1493. "

  1494. 

  1495. CONFIG_LIST="

  1496.     $COMPONENT_LIST

  1497.     $DOCUMENT_LIST

  1498.     $EXAMPLE_LIST

  1499.     $EXTERNAL_LIBRARY_LIST

  1500.     $FEATURE_LIST

  1501.     $HWACCEL_LIST

  1502.     $LICENSE_LIST

  1503.     $LIBRARY_LIST

  1504.     $PROGRAM_LIST

  1505.     $SUBSYSTEM_LIST

  1506.     fontconfig

  1507.     incompatible_libav_abi

  1508.     memalign_hack

  1509.     memory_poisoning

  1510.     neon_clobber_test

  1511.     pic

  1512.     pod2man

  1513.     raise_major

  1514.     thumb

  1515.     xmm_clobber_test

  1516. "

  1517. 

  1518. THREADS_LIST="

  1519.     pthreads

  1520.     os2threads

  1521.     w32threads

  1522. "

  1523. 

  1524. ATOMICS_LIST="

  1525.     atomics_gcc

  1526.     atomics_suncc

  1527.     atomics_win32

  1528. "

  1529. 

  1530. ARCH_LIST="

  1531.     aarch64

  1532.     alpha

  1533.     arm

  1534.     avr32

  1535.     avr32_ap

  1536.     avr32_uc

  1537.     bfin

  1538.     ia64

  1539.     m68k

  1540.     mips

  1541.     mips64

  1542.     parisc

  1543.     ppc

  1544.     ppc64

  1545.     s390

  1546.     sh4

  1547.     sparc

  1548.     sparc64

  1549.     tilegx

  1550.     tilepro

  1551.     tomi

  1552.     x86

  1553.     x86_32

  1554.     x86_64

  1555. "

  1556. 

  1557. ARCH_EXT_LIST_ARM="

  1558.     armv5te

  1559.     armv6

  1560.     armv6t2

  1561.     armv8

  1562.     neon

  1563.     vfp

  1564.     vfpv3

  1565.     setend

  1566. "

  1567. 

  1568. ARCH_EXT_LIST_MIPS="

  1569.     mipsfpu

  1570.     mips32r2

  1571.     mips32r5

  1572.     mips64r6

  1573.     mipsdspr1

  1574.     mipsdspr2

  1575.     msa

  1576. "

  1577. 

  1578. ARCH_EXT_LIST_X86_SIMD="

  1579.     amd3dnow

  1580.     amd3dnowext

  1581.     avx

  1582.     avx2

  1583.     fma3

  1584.     fma4

  1585.     mmx

  1586.     mmxext

  1587.     sse

  1588.     sse2

  1589.     sse3

  1590.     sse4

  1591.     sse42

  1592.     ssse3

  1593.     xop

  1594. "

  1595. 

  1596. ARCH_EXT_LIST_PPC="

  1597.     altivec

  1598.     dcbzl

  1599.     ldbrx

  1600.     ppc4xx

  1601.     vsx

  1602. "

  1603. 

  1604. ARCH_EXT_LIST_X86="

  1605.     $ARCH_EXT_LIST_X86_SIMD

  1606.     cpunop

  1607.     i686

  1608. "

  1609. 

  1610. ARCH_EXT_LIST="

  1611.     $ARCH_EXT_LIST_ARM

  1612.     $ARCH_EXT_LIST_PPC

  1613.     $ARCH_EXT_LIST_X86

  1614.     $ARCH_EXT_LIST_MIPS

  1615.     loongson

  1616. "

  1617. 

  1618. ARCH_FEATURES="

  1619.     aligned_stack

  1620.     fast_64bit

  1621.     fast_clz

  1622.     fast_cmov

  1623.     local_aligned_8

  1624.     local_aligned_16

  1625.     local_aligned_32

  1626.     simd_align_16

  1627. "

  1628. 

  1629. BUILTIN_LIST="

  1630.     atomic_cas_ptr

  1631.     atomic_compare_exchange

  1632.     machine_rw_barrier

  1633.     MemoryBarrier

  1634.     mm_empty

  1635.     rdtsc

  1636.     sarestart

  1637.     sync_val_compare_and_swap

  1638. "

  1639. HAVE_LIST_CMDLINE="

  1640.     inline_asm

  1641.     symver

  1642.     yasm

  1643. "

  1644. 

  1645. HAVE_LIST_PUB="

  1646.     bigendian

  1647.     fast_unaligned

  1648.     incompatible_libav_abi

  1649. "

  1650. 

  1651. HEADERS_LIST="

  1652.     alsa_asoundlib_h

  1653.     altivec_h

  1654.     arpa_inet_h

  1655.     asm_types_h

  1656.     cdio_paranoia_h

  1657.     cdio_paranoia_paranoia_h

  1658.     dev_bktr_ioctl_bt848_h

  1659.     dev_bktr_ioctl_meteor_h

  1660.     dev_ic_bt8xx_h

  1661.     dev_video_bktr_ioctl_bt848_h

  1662.     dev_video_meteor_ioctl_meteor_h

  1663.     direct_h

  1664.     dlfcn_h

  1665.     dxva_h

  1666.     ES2_gl_h

  1667.     gsm_h

  1668.     io_h

  1669.     mach_mach_time_h

  1670.     machine_ioctl_bt848_h

  1671.     machine_ioctl_meteor_h

  1672.     malloc_h

  1673.     openjpeg_1_5_openjpeg_h

  1674.     OpenGL_gl3_h

  1675.     poll_h

  1676.     sndio_h

  1677.     soundcard_h

  1678.     sys_mman_h

  1679.     sys_param_h

  1680.     sys_resource_h

  1681.     sys_select_h

  1682.     sys_soundcard_h

  1683.     sys_time_h

  1684.     sys_un_h

  1685.     sys_videoio_h

  1686.     termios_h

  1687.     udplite_h

  1688.     unistd_h

  1689.     windows_h

  1690.     winsock2_h

  1691. "

  1692. 

  1693. INTRINSICS_LIST="

  1694.     intrinsics_neon

  1695. "

  1696. 

  1697. MATH_FUNCS="

  1698.     atanf

  1699.     atan2f

  1700.     cbrt

  1701.     cbrtf

  1702.     cosf

  1703.     exp2

  1704.     exp2f

  1705.     expf

  1706.     isinf

  1707.     isnan

  1708.     ldexpf

  1709.     llrint

  1710.     llrintf

  1711.     log2

  1712.     log2f

  1713.     log10f

  1714.     lrint

  1715.     lrintf

  1716.     powf

  1717.     rint

  1718.     round

  1719.     roundf

  1720.     sinf

  1721.     trunc

  1722.     truncf

  1723. "

  1724. 

  1725. SYSTEM_FUNCS="

  1726.     access

  1727.     aligned_malloc

  1728.     clock_gettime

  1729.     closesocket

  1730.     CommandLineToArgvW

  1731.     CoTaskMemFree

  1732.     CryptGenRandom

  1733.     dlopen

  1734.     fcntl

  1735.     flt_lim

  1736.     fork

  1737.     getaddrinfo

  1738.     gethrtime

  1739.     getopt

  1740.     GetProcessAffinityMask

  1741.     GetProcessMemoryInfo

  1742.     GetProcessTimes

  1743.     getrusage

  1744.     getservbyport

  1745.     GetSystemTimeAsFileTime

  1746.     gettimeofday

  1747.     glob

  1748.     glXGetProcAddress

  1749.     gmtime_r

  1750.     inet_aton

  1751.     isatty

  1752.     jack_port_get_latency_range

  1753.     kbhit

  1754.     localtime_r

  1755.     lzo1x_999_compress

  1756.     mach_absolute_time

  1757.     MapViewOfFile

  1758.     memalign

  1759.     mkstemp

  1760.     mmap

  1761.     mprotect

  1762.     nanosleep

  1763.     PeekNamedPipe

  1764.     posix_memalign

  1765.     pthread_cancel

  1766.     sched_getaffinity

  1767.     SetConsoleTextAttribute

  1768.     setmode

  1769.     setrlimit

  1770.     Sleep

  1771.     strerror_r

  1772.     sysconf

  1773.     sysctl

  1774.     usleep

  1775.     VirtualAlloc

  1776.     wglGetProcAddress

  1777. "

  1778. 

  1779. TOOLCHAIN_FEATURES="

  1780.     as_dn_directive

  1781.     as_func

  1782.     as_object_arch

  1783.     asm_mod_q

  1784.     attribute_may_alias

  1785.     attribute_packed

  1786.     ebp_available

  1787.     ebx_available

  1788.     gnu_as

  1789.     gnu_windres

  1790.     ibm_asm

  1791.     inline_asm_labels

  1792.     inline_asm_nonlocal_labels

  1793.     inline_asm_direct_symbol_refs

  1794.     pragma_deprecated

  1795.     rsync_contimeout

  1796.     symver_asm_label

  1797.     symver_gnu_asm

  1798.     vfp_args

  1799.     xform_asm

  1800.     xmm_clobbers

  1801. "

  1802. 

  1803. TYPES_LIST="

  1804.     CONDITION_VARIABLE_Ptr

  1805.     DXVA_PicParams_HEVC

  1806.     socklen_t

  1807.     struct_addrinfo

  1808.     struct_group_source_req

  1809.     struct_ip_mreq_source

  1810.     struct_ipv6_mreq

  1811.     struct_pollfd

  1812.     struct_rusage_ru_maxrss

  1813.     struct_sctp_event_subscribe

  1814.     struct_sockaddr_in6

  1815.     struct_sockaddr_sa_len

  1816.     struct_sockaddr_storage

  1817.     struct_stat_st_mtim_tv_nsec

  1818.     struct_v4l2_frmivalenum_discrete

  1819. "

  1820. 

  1821. HAVE_LIST="

  1822.     $ARCH_EXT_LIST

  1823.     $(add_suffix _external $ARCH_EXT_LIST)

  1824.     $(add_suffix _inline   $ARCH_EXT_LIST)

  1825.     $ARCH_FEATURES

  1826.     $ATOMICS_LIST

  1827.     $BUILTIN_LIST

  1828.     $HAVE_LIST_CMDLINE

  1829.     $HAVE_LIST_PUB

  1830.     $HEADERS_LIST

  1831.     $INTRINSICS_LIST

  1832.     $MATH_FUNCS

  1833.     $SYSTEM_FUNCS

  1834.     $THREADS_LIST

  1835.     $TOOLCHAIN_FEATURES

  1836.     $TYPES_LIST

  1837.     atomics_native

  1838.     dos_paths

  1839.     dxva2api_cobj

  1840.     dxva2_lib

  1841.     libc_msvcrt

  1842.     libdc1394_1

  1843.     libdc1394_2

  1844.     makeinfo

  1845.     makeinfo_html

  1846.     perl

  1847.     pod2man

  1848.     sdl

  1849.     section_data_rel_ro

  1850.     texi2html

  1851.     threads

  1852.     vaapi_x11

  1853.     vdpau_x11

  1854.     xlib

  1855. "

  1856. 

  1857. # options emitted with CONFIG_ prefix but not available on the command line

  1858. CONFIG_EXTRA="

  1859.     aandcttables

  1860.     ac3dsp

  1861.     audio_frame_queue

  1862.     audiodsp

  1863.     blockdsp

  1864.     bswapdsp

  1865.     cabac

  1866.     dvprofile

  1867.     exif

  1868.     faandct

  1869.     faanidct

  1870.     fdctdsp

  1871.     fmtconvert

  1872.     frame_thread_encoder

  1873.     gcrypt

  1874.     golomb

  1875.     gplv3

  1876.     h263dsp

  1877.     h264chroma

  1878.     h264dsp

  1879.     h264pred

  1880.     h264qpel

  1881.     hpeldsp

  1882.     huffman

  1883.     huffyuvdsp

  1884.     huffyuvencdsp

  1885.     idctdsp

  1886.     iirfilter

  1887.     imdct15

  1888.     intrax8

  1889.     jpegtables

  1890.     lgplv3

  1891.     llauddsp

  1892.     llviddsp

  1893.     lpc

  1894.     me_cmp

  1895.     mpeg_er

  1896.     mpegaudio

  1897.     mpegaudiodsp

  1898.     mpegvideo

  1899.     mpegvideoenc

  1900.     nettle

  1901.     pixblockdsp

  1902.     qpeldsp

  1903.     qsv

  1904.     qsvdec

  1905.     qsvenc

  1906.     rangecoder

  1907.     riffdec

  1908.     riffenc

  1909.     rtpdec

  1910.     rtpenc_chain

  1911.     sinewin

  1912.     startcode

  1913.     tpeldsp

  1914.     videodsp

  1915.     vp3dsp

  1916.     wma_freqs

  1917. "

  1918. 

  1919. CMDLINE_SELECT="

  1920.     $ARCH_EXT_LIST

  1921.     $CONFIG_LIST

  1922.     $HAVE_LIST_CMDLINE

  1923.     $THREADS_LIST

  1924.     asm

  1925.     cross_compile

  1926.     debug

  1927.     extra_warnings

  1928.     logging

  1929.     lto

  1930.     optimizations

  1931.     rpath

  1932.     stripping

  1933. "

  1934. 

  1935. PATHS_LIST="

  1936.     bindir

  1937.     datadir

  1938.     docdir

  1939.     incdir

  1940.     libdir

  1941.     mandir

  1942.     prefix

  1943.     shlibdir

  1944. "

  1945. 

  1946. CMDLINE_SET="

  1947.     $PATHS_LIST

  1948.     ar

  1949.     arch

  1950.     as

  1951.     assert_level

  1952.     build_suffix

  1953.     cc

  1954.     cpu

  1955.     cross_prefix

  1956.     cxx

  1957.     dep_cc

  1958.     doxygen

  1959.     extra_version

  1960.     gas

  1961.     host_cc

  1962.     host_cflags

  1963.     host_ld

  1964.     host_ldflags

  1965.     host_libs

  1966.     host_os

  1967.     install

  1968.     ld

  1969.     logfile

  1970.     malloc_prefix

  1971.     nm

  1972.     optflags

  1973.     pkg_config

  1974.     pkg_config_flags

  1975.     progs_suffix

  1976.     random_seed

  1977.     ranlib

  1978.     samples

  1979.     strip

  1980.     sws_max_filter_size

  1981.     sysinclude

  1982.     sysroot

  1983.     target_exec

  1984.     target_os

  1985.     target_path

  1986.     target_samples

  1987.     tempprefix

  1988.     toolchain

  1989.     valgrind

  1990.     yasmexe

  1991. "

  1992. 

  1993. CMDLINE_APPEND="

  1994.     extra_cflags

  1995.     extra_cxxflags

  1996.     host_cppflags

  1997. "

  1998. 

  1999. # code dependency declarations

  2000. 

  2001. # architecture extensions

  2002. 

  2003. armv5te_deps="arm"

  2004. armv6_deps="arm"

  2005. armv6t2_deps="arm"

  2006. armv8_deps="aarch64"

  2007. neon_deps_any="aarch64 arm"

  2008. intrinsics_neon_deps="neon"

  2009. vfp_deps_any="aarch64 arm"

  2010. vfpv3_deps="vfp"

  2011. setend_deps="arm"

  2012. 

  2013. map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM

  2014. 

  2015. mipsfpu_deps="mips"

  2016. mipsdspr1_deps="mips"

  2017. mipsdspr2_deps="mips"

  2018. mips32r5_deps="mips"

  2019. mips64r6_deps="mips"

  2020. msa_deps="mips"

  2021. 

  2022. altivec_deps="ppc"

  2023. ppc4xx_deps="ppc"

  2024. vsx_deps="ppc"

  2025. 

  2026. cpunop_deps="i686"

  2027. x86_64_select="i686"

  2028. x86_64_suggest="fast_cmov"

  2029. 

  2030. amd3dnow_deps="mmx"

  2031. amd3dnowext_deps="amd3dnow"

  2032. i686_deps="x86"

  2033. mmx_deps="x86"

  2034. mmxext_deps="mmx"

  2035. sse_deps="mmxext"

  2036. sse2_deps="sse"

  2037. sse3_deps="sse2"

  2038. ssse3_deps="sse3"

  2039. sse4_deps="ssse3"

  2040. sse42_deps="sse4"

  2041. avx_deps="sse42"

  2042. xop_deps="avx"

  2043. fma3_deps="avx"

  2044. fma4_deps="avx"

  2045. avx2_deps="avx"

  2046. 

  2047. mmx_external_deps="yasm"

  2048. mmx_inline_deps="inline_asm"

  2049. mmx_suggest="mmx_external mmx_inline"

  2050. 

  2051. for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do

  2052.     eval dep=\$${ext}_deps

  2053.     eval ${ext}_external_deps='"${dep}_external"'

  2054.     eval ${ext}_inline_deps='"${dep}_inline"'

  2055.     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'

  2056. done

  2057. 

  2058. aligned_stack_if_any="aarch64 ppc x86"

  2059. fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"

  2060. fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"

  2061. fast_unaligned_if_any="aarch64 ppc x86"

  2062. simd_align_16_if_any="altivec neon sse"

  2063. 

  2064. # system capabilities

  2065. 

  2066. symver_if_any="symver_asm_label symver_gnu_asm"

  2067. 

  2068. # threading support

  2069. atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"

  2070. atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"

  2071. atomics_win32_if="MemoryBarrier"

  2072. atomics_native_if_any="$ATOMICS_LIST"

  2073. w32threads_deps="atomics_native"

  2074. threads_if_any="$THREADS_LIST"

  2075. 

  2076. # subsystems

  2077. dct_select="rdft"

  2078. error_resilience_select="me_cmp"

  2079. faandct_deps="faan fdctdsp"

  2080. faanidct_deps="faan idctdsp"

  2081. frame_thread_encoder_deps="encoders threads"

  2082. intrax8_select="error_resilience"

  2083. mdct_select="fft"

  2084. rdft_select="fft"

  2085. me_cmp_select="fdctdsp idctdsp pixblockdsp"

  2086. mpeg_er_select="error_resilience"

  2087. mpegaudio_select="mpegaudiodsp"

  2088. mpegaudiodsp_select="dct"

  2089. mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp videodsp"

  2090. mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"

  2091. qsvdec_select="qsv"

  2092. qsvenc_select="qsv"

  2093. 

  2094. # decoders / encoders

  2095. aac_decoder_select="imdct15 mdct sinewin"

  2096. aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"

  2097. aac_latm_decoder_select="aac_decoder aac_latm_parser"

  2098. ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"

  2099. ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"

  2100. ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2101. ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2102. aic_decoder_select="golomb idctdsp"

  2103. alac_encoder_select="lpc"

  2104. als_decoder_select="bswapdsp"

  2105. amrnb_decoder_select="lsp"

  2106. amrwb_decoder_select="lsp"

  2107. amv_decoder_select="sp5x_decoder exif"

  2108. amv_encoder_select="aandcttables jpegtables mpegvideoenc"

  2109. ape_decoder_select="bswapdsp llauddsp"

  2110. apng_decoder_select="zlib"

  2111. apng_encoder_select="huffyuvencdsp zlib"

  2112. asv1_decoder_select="blockdsp bswapdsp idctdsp"

  2113. asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2114. asv2_decoder_select="blockdsp bswapdsp idctdsp"

  2115. asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2116. atrac1_decoder_select="mdct sinewin"

  2117. atrac3_decoder_select="mdct"

  2118. atrac3p_decoder_select="mdct sinewin"

  2119. avrn_decoder_select="exif jpegtables"

  2120. bink_decoder_select="blockdsp hpeldsp"

  2121. binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"

  2122. binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"

  2123. cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"

  2124. cllc_decoder_select="bswapdsp"

  2125. comfortnoise_encoder_select="lpc"

  2126. cook_decoder_select="audiodsp mdct sinewin"

  2127. cscd_decoder_select="lzo"

  2128. cscd_decoder_suggest="zlib"

  2129. dca_decoder_select="fmtconvert mdct"

  2130. dirac_decoder_select="dwt golomb videodsp mpegvideoenc"

  2131. dnxhd_decoder_select="blockdsp idctdsp"

  2132. dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"

  2133. dvvideo_decoder_select="dvprofile idctdsp"

  2134. dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"

  2135. dxa_decoder_select="zlib"

  2136. eac3_decoder_select="ac3_decoder"

  2137. eac3_encoder_select="ac3_encoder"

  2138. eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"

  2139. eatgq_decoder_select="aandcttables"

  2140. eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"

  2141. exr_decoder_select="zlib"

  2142. ffv1_decoder_select="golomb rangecoder"

  2143. ffv1_encoder_select="rangecoder"

  2144. ffvhuff_decoder_select="huffyuv_decoder"

  2145. ffvhuff_encoder_select="huffyuv_encoder"

  2146. fic_decoder_select="golomb"

  2147. flac_decoder_select="golomb"

  2148. flac_encoder_select="bswapdsp golomb lpc"

  2149. flashsv_decoder_select="zlib"

  2150. flashsv_encoder_select="zlib"

  2151. flashsv2_encoder_select="zlib"

  2152. flashsv2_decoder_select="zlib"

  2153. flv_decoder_select="h263_decoder"

  2154. flv_encoder_select="h263_encoder"

  2155. fourxm_decoder_select="blockdsp bswapdsp"

  2156. fraps_decoder_select="bswapdsp huffman"

  2157. g2m_decoder_select="blockdsp idctdsp jpegtables zlib"

  2158. g729_decoder_select="audiodsp"

  2159. h261_decoder_select="mpeg_er mpegvideo"

  2160. h261_encoder_select="aandcttables mpegvideoenc"

  2161. h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"

  2162. h263_encoder_select="aandcttables h263dsp mpegvideoenc"

  2163. h263i_decoder_select="h263_decoder"

  2164. h263p_decoder_select="h263_decoder"

  2165. h263p_encoder_select="h263_encoder"

  2166. h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"

  2167. h264_decoder_suggest="error_resilience"

  2168. h264_qsv_decoder_deps="libmfx"

  2169. h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"

  2170. h264_qsv_encoder_deps="libmfx"

  2171. h264_qsv_encoder_select="qsvenc"

  2172. hevc_decoder_select="bswapdsp cabac golomb videodsp"

  2173. huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"

  2174. huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"

  2175. iac_decoder_select="imc_decoder"

  2176. imc_decoder_select="bswapdsp fft mdct sinewin"

  2177. indeo3_decoder_select="hpeldsp"

  2178. interplay_video_decoder_select="hpeldsp"

  2179. jpegls_decoder_select="golomb mjpeg_decoder"

  2180. jpegls_encoder_select="golomb"

  2181. jv_decoder_select="blockdsp"

  2182. lagarith_decoder_select="huffyuvdsp"

  2183. ljpeg_encoder_select="aandcttables idctdsp jpegtables"

  2184. loco_decoder_select="golomb"

  2185. mdec_decoder_select="blockdsp idctdsp mpegvideo"

  2186. metasound_decoder_select="lsp mdct sinewin"

  2187. mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"

  2188. mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"

  2189. mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"

  2190. mjpegb_decoder_select="mjpeg_decoder"

  2191. mlp_decoder_select="mlp_parser"

  2192. motionpixels_decoder_select="bswapdsp"

  2193. mp1_decoder_select="mpegaudio"

  2194. mp1float_decoder_select="mpegaudio"

  2195. mp2_decoder_select="mpegaudio"

  2196. mp2float_decoder_select="mpegaudio"

  2197. mp3_decoder_select="mpegaudio"

  2198. mp3adu_decoder_select="mpegaudio"

  2199. mp3adufloat_decoder_select="mpegaudio"

  2200. mp3float_decoder_select="mpegaudio"

  2201. mp3on4_decoder_select="mpegaudio"

  2202. mp3on4float_decoder_select="mpegaudio"

  2203. mpc7_decoder_select="bswapdsp mpegaudiodsp"

  2204. mpc8_decoder_select="mpegaudiodsp"

  2205. mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"

  2206. mpeg_xvmc_decoder_select="mpeg2video_decoder"

  2207. mpegvideo_decoder_select="error_resilience mpeg_er mpegvideo"

  2208. mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"

  2209. mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2210. mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"

  2211. mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2212. mpeg4_decoder_select="h263_decoder mpeg4video_parser"

  2213. mpeg4_encoder_select="h263_encoder"

  2214. msmpeg4v1_decoder_select="h263_decoder"

  2215. msmpeg4v2_decoder_select="h263_decoder"

  2216. msmpeg4v2_encoder_select="h263_encoder"

  2217. msmpeg4v3_decoder_select="h263_decoder"

  2218. msmpeg4v3_encoder_select="h263_encoder"

  2219. mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"

  2220. mxpeg_decoder_select="mjpeg_decoder"

  2221. nellymoser_decoder_select="mdct sinewin"

  2222. nellymoser_encoder_select="audio_frame_queue mdct sinewin"

  2223. nuv_decoder_select="idctdsp lzo"

  2224. on2avc_decoder_select="mdct"

  2225. opus_decoder_deps="swresample"

  2226. opus_decoder_select="imdct15"

  2227. png_decoder_select="zlib"

  2228. png_encoder_select="huffyuvencdsp zlib"

  2229. prores_decoder_select="blockdsp idctdsp"

  2230. prores_encoder_select="fdctdsp"

  2231. qcelp_decoder_select="lsp"

  2232. qdm2_decoder_select="mdct rdft mpegaudiodsp"

  2233. ra_144_encoder_select="audio_frame_queue lpc audiodsp"

  2234. ra_144_decoder_select="audiodsp"

  2235. ralf_decoder_select="golomb"

  2236. rawvideo_decoder_select="bswapdsp"

  2237. rtjpeg_decoder_select="me_cmp"

  2238. rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"

  2239. rv10_encoder_select="h263_encoder"

  2240. rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"

  2241. rv20_encoder_select="h263_encoder"

  2242. rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"

  2243. rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"

  2244. shorten_decoder_select="golomb"

  2245. sipr_decoder_select="lsp"

  2246. snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"

  2247. snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"

  2248. sonic_decoder_select="golomb rangecoder"

  2249. sonic_encoder_select="golomb rangecoder"

  2250. sonic_ls_encoder_select="golomb rangecoder"

  2251. sp5x_decoder_select="mjpeg_decoder"

  2252. svq1_decoder_select="hpeldsp"

  2253. svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"

  2254. svq3_decoder_select="h264_decoder hpeldsp tpeldsp"

  2255. svq3_decoder_suggest="zlib"

  2256. tak_decoder_select="audiodsp"

  2257. tdsc_decoder_select="zlib mjpeg_decoder"

  2258. theora_decoder_select="vp3_decoder"

  2259. thp_decoder_select="mjpeg_decoder"

  2260. tiff_decoder_suggest="zlib lzma"

  2261. tiff_encoder_suggest="zlib"

  2262. truehd_decoder_select="mlp_parser"

  2263. truemotion2_decoder_select="bswapdsp"

  2264. truespeech_decoder_select="bswapdsp"

  2265. tscc_decoder_select="zlib"

  2266. twinvq_decoder_select="mdct lsp sinewin"

  2267. utvideo_decoder_select="bswapdsp"

  2268. utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"

  2269. vble_decoder_select="huffyuvdsp"

  2270. vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode"

  2271. vc1image_decoder_select="vc1_decoder"

  2272. vorbis_decoder_select="mdct"

  2273. vorbis_encoder_select="mdct"

  2274. vp3_decoder_select="hpeldsp vp3dsp videodsp"

  2275. vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"

  2276. vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"

  2277. vp6a_decoder_select="vp6_decoder"

  2278. vp6f_decoder_select="vp6_decoder"

  2279. vp7_decoder_select="h264pred videodsp"

  2280. vp8_decoder_select="h264pred videodsp"

  2281. vp9_decoder_select="videodsp vp9_parser"

  2282. webp_decoder_select="vp8_decoder"

  2283. wmalossless_decoder_select="llauddsp"

  2284. wmapro_decoder_select="mdct sinewin wma_freqs"

  2285. wmav1_decoder_select="mdct sinewin wma_freqs"

  2286. wmav1_encoder_select="mdct sinewin wma_freqs"

  2287. wmav2_decoder_select="mdct sinewin wma_freqs"

  2288. wmav2_encoder_select="mdct sinewin wma_freqs"

  2289. wmavoice_decoder_select="lsp rdft dct mdct sinewin"

  2290. wmv1_decoder_select="h263_decoder"

  2291. wmv1_encoder_select="h263_encoder"

  2292. wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp"

  2293. wmv2_encoder_select="h263_encoder"

  2294. wmv3_decoder_select="vc1_decoder"

  2295. wmv3image_decoder_select="wmv3_decoder"

  2296. zerocodec_decoder_select="zlib"

  2297. zlib_decoder_select="zlib"

  2298. zlib_encoder_select="zlib"

  2299. zmbv_decoder_select="zlib"

  2300. zmbv_encoder_select="zlib"

  2301. 

  2302. # hardware accelerators

  2303. crystalhd_deps="libcrystalhd_libcrystalhd_if_h"

  2304. dxva2_deps="dxva2api_h"

  2305. vaapi_deps="va_va_h"

  2306. vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"

  2307. vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"

  2308. vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"

  2309. xvmc_deps="X11_extensions_XvMClib_h"

  2310. 

  2311. h263_vaapi_hwaccel_deps="vaapi"

  2312. h263_vaapi_hwaccel_select="h263_decoder"

  2313. h263_vdpau_hwaccel_deps="vdpau"

  2314. h263_vdpau_hwaccel_select="h263_decoder"

  2315. h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"

  2316. h264_dxva2_hwaccel_deps="dxva2"

  2317. h264_dxva2_hwaccel_select="h264_decoder"

  2318. h264_mmal_decoder_deps="mmal"

  2319. h264_mmal_hwaccel_deps="mmal"

  2320. h264_mmal_decoder_select="h264_decoder"

  2321. h264_mmal_encoder_deps="mmal"

  2322. h264_qsv_hwaccel_deps="libmfx"

  2323. h264_vaapi_hwaccel_deps="vaapi"

  2324. h264_vaapi_hwaccel_select="h264_decoder"

  2325. h264_vda_decoder_deps="vda"

  2326. h264_vda_decoder_select="h264_decoder"

  2327. h264_vda_hwaccel_deps="vda"

  2328. h264_vda_hwaccel_select="h264_decoder"

  2329. h264_vda_old_hwaccel_deps="vda"

  2330. h264_vda_old_hwaccel_select="h264_decoder"

  2331. h264_vdpau_decoder_deps="vdpau"

  2332. h264_vdpau_decoder_select="h264_decoder"

  2333. h264_vdpau_hwaccel_deps="vdpau"

  2334. h264_vdpau_hwaccel_select="h264_decoder"

  2335. hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"

  2336. hevc_dxva2_hwaccel_select="hevc_decoder"

  2337. mpeg_vdpau_decoder_deps="vdpau"

  2338. mpeg_vdpau_decoder_select="mpeg2video_decoder"

  2339. mpeg_xvmc_hwaccel_deps="xvmc"

  2340. mpeg_xvmc_hwaccel_select="mpeg2video_decoder"

  2341. mpeg1_vdpau_decoder_deps="vdpau"

  2342. mpeg1_vdpau_decoder_select="mpeg1video_decoder"

  2343. mpeg1_vdpau_hwaccel_deps="vdpau"

  2344. mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"

  2345. mpeg1_xvmc_hwaccel_deps="xvmc"

  2346. mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"

  2347. mpeg2_crystalhd_decoder_select="crystalhd"

  2348. mpeg2_dxva2_hwaccel_deps="dxva2"

  2349. mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"

  2350. mpeg2_vaapi_hwaccel_deps="vaapi"

  2351. mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"

  2352. mpeg2_vdpau_hwaccel_deps="vdpau"

  2353. mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"

  2354. mpeg2_xvmc_hwaccel_deps="xvmc"

  2355. mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"

  2356. mpeg4_crystalhd_decoder_select="crystalhd"

  2357. mpeg4_vaapi_hwaccel_deps="vaapi"

  2358. mpeg4_vaapi_hwaccel_select="mpeg4_decoder"

  2359. mpeg4_vdpau_decoder_deps="vdpau"

  2360. mpeg4_vdpau_decoder_select="mpeg4_decoder"

  2361. mpeg4_vdpau_hwaccel_deps="vdpau"

  2362. mpeg4_vdpau_hwaccel_select="mpeg4_decoder"

  2363. msmpeg4_crystalhd_decoder_select="crystalhd"

  2364. vc1_crystalhd_decoder_select="crystalhd"

  2365. vc1_dxva2_hwaccel_deps="dxva2"

  2366. vc1_dxva2_hwaccel_select="vc1_decoder"

  2367. vc1_vaapi_hwaccel_deps="vaapi"

  2368. vc1_vaapi_hwaccel_select="vc1_decoder"

  2369. vc1_vdpau_decoder_deps="vdpau"

  2370. vc1_vdpau_decoder_select="vc1_decoder"

  2371. vc1_vdpau_hwaccel_deps="vdpau"

  2372. vc1_vdpau_hwaccel_select="vc1_decoder"

  2373. wmv3_crystalhd_decoder_select="crystalhd"

  2374. wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"

  2375. wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"

  2376. wmv3_vdpau_decoder_select="vc1_vdpau_decoder"

  2377. wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"

  2378. 

  2379. # parsers

  2380. h264_parser_select="h264_decoder"

  2381. hevc_parser_select="hevc_decoder"

  2382. mpegvideo_parser_select="mpegvideo"

  2383. mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"

  2384. vc1_parser_select="mpegvideo startcode vc1_decoder"

  2385. 

  2386. # bitstream_filters

  2387. mjpeg2jpeg_bsf_select="jpegtables"

  2388. 

  2389. # external libraries

  2390. libaacplus_encoder_deps="libaacplus"

  2391. libcelt_decoder_deps="libcelt"

  2392. libdcadec_decoder_deps="libdcadec"

  2393. libfaac_encoder_deps="libfaac"

  2394. libfaac_encoder_select="audio_frame_queue"

  2395. libfdk_aac_decoder_deps="libfdk_aac"

  2396. libfdk_aac_encoder_deps="libfdk_aac"

  2397. libfdk_aac_encoder_select="audio_frame_queue"

  2398. libgme_demuxer_deps="libgme"

  2399. libgsm_decoder_deps="libgsm"

  2400. libgsm_encoder_deps="libgsm"

  2401. libgsm_ms_decoder_deps="libgsm"

  2402. libgsm_ms_encoder_deps="libgsm"

  2403. libilbc_decoder_deps="libilbc"

  2404. libilbc_encoder_deps="libilbc"

  2405. libmodplug_demuxer_deps="libmodplug"

  2406. libmp3lame_encoder_deps="libmp3lame"

  2407. libmp3lame_encoder_select="audio_frame_queue"

  2408. libopencore_amrnb_decoder_deps="libopencore_amrnb"

  2409. libopencore_amrnb_encoder_deps="libopencore_amrnb"

  2410. libopencore_amrnb_encoder_select="audio_frame_queue"

  2411. libopencore_amrwb_decoder_deps="libopencore_amrwb"

  2412. libopenh264_encoder_deps="libopenh264"

  2413. libopenjpeg_decoder_deps="libopenjpeg"

  2414. libopenjpeg_encoder_deps="libopenjpeg"

  2415. libopus_decoder_deps="libopus"

  2416. libopus_encoder_deps="libopus"

  2417. libopus_encoder_select="audio_frame_queue"

  2418. libquvi_demuxer_deps="libquvi"

  2419. libschroedinger_decoder_deps="libschroedinger"

  2420. libschroedinger_encoder_deps="libschroedinger"

  2421. libshine_encoder_deps="libshine"

  2422. libshine_encoder_select="audio_frame_queue"

  2423. libspeex_decoder_deps="libspeex"

  2424. libspeex_encoder_deps="libspeex"

  2425. libspeex_encoder_select="audio_frame_queue"

  2426. libstagefright_h264_decoder_deps="libstagefright_h264"

  2427. libtheora_encoder_deps="libtheora"

  2428. libtwolame_encoder_deps="libtwolame"

  2429. libvo_aacenc_encoder_deps="libvo_aacenc"

  2430. libvo_aacenc_encoder_select="audio_frame_queue"

  2431. libvo_amrwbenc_encoder_deps="libvo_amrwbenc"

  2432. libvorbis_decoder_deps="libvorbis"

  2433. libvorbis_encoder_deps="libvorbis"

  2434. libvorbis_encoder_select="audio_frame_queue"

  2435. libvpx_vp8_decoder_deps="libvpx"

  2436. libvpx_vp8_encoder_deps="libvpx"

  2437. libvpx_vp9_decoder_deps="libvpx"

  2438. libvpx_vp9_encoder_deps="libvpx"

  2439. libwavpack_encoder_deps="libwavpack"

  2440. libwebp_encoder_deps="libwebp"

  2441. libx264_encoder_deps="libx264"

  2442. libx264rgb_encoder_deps="libx264"

  2443. libx264rgb_encoder_select="libx264_encoder"

  2444. libx265_encoder_deps="libx265"

  2445. libxavs_encoder_deps="libxavs"

  2446. libxvid_encoder_deps="libxvid"

  2447. libutvideo_decoder_deps="libutvideo"

  2448. libutvideo_encoder_deps="libutvideo"

  2449. libzvbi_teletext_decoder_deps="libzvbi"

  2450. nvenc_encoder_deps="nvenc"

  2451. nvenc_h265_encoder_deps="nvenc"

  2452. 

  2453. # demuxers / muxers

  2454. ac3_demuxer_select="ac3_parser"

  2455. asf_demuxer_select="riffdec"

  2456. asf_muxer_select="riffenc"

  2457. asf_stream_muxer_select="asf_muxer"

  2458. avi_demuxer_select="riffdec exif"

  2459. avi_muxer_select="riffenc"

  2460. avisynth_demuxer_deps="avisynth"

  2461. avisynth_demuxer_select="riffdec"

  2462. caf_demuxer_select="riffdec"

  2463. dash_muxer_select="mp4_muxer"

  2464. dirac_demuxer_select="dirac_parser"

  2465. dts_demuxer_select="dca_parser"

  2466. dtshd_demuxer_select="dca_parser"

  2467. dv_demuxer_select="dvprofile"

  2468. dv_muxer_select="dvprofile"

  2469. dxa_demuxer_select="riffdec"

  2470. eac3_demuxer_select="ac3_parser"

  2471. f4v_muxer_select="mov_muxer"

  2472. flac_demuxer_select="flac_parser"

  2473. hds_muxer_select="flv_muxer"

  2474. hls_muxer_select="mpegts_muxer"

  2475. image2_alias_pix_demuxer_select="image2_demuxer"

  2476. image2_brender_pix_demuxer_select="image2_demuxer"

  2477. ipod_muxer_select="mov_muxer"

  2478. ismv_muxer_select="mov_muxer"

  2479. libnut_demuxer_deps="libnut"

  2480. libnut_muxer_deps="libnut"

  2481. matroska_audio_muxer_select="matroska_muxer"

  2482. matroska_demuxer_select="riffdec"

  2483. matroska_demuxer_suggest="bzlib lzo zlib"

  2484. matroska_muxer_select="riffenc"

  2485. mmf_muxer_select="riffenc"

  2486. mov_demuxer_select="riffdec"

  2487. mov_demuxer_suggest="zlib"

  2488. mov_muxer_select="riffenc rtpenc_chain"

  2489. mp3_demuxer_select="mpegaudio_parser"

  2490. mp4_muxer_select="mov_muxer"

  2491. mpegts_muxer_select="adts_muxer latm_muxer"

  2492. mpegtsraw_demuxer_select="mpegts_demuxer"

  2493. mxf_d10_muxer_select="mxf_muxer"

  2494. mxf_opatom_muxer_select="mxf_muxer"

  2495. nut_muxer_select="riffenc"

  2496. nuv_demuxer_select="riffdec"

  2497. oga_muxer_select="ogg_muxer"

  2498. ogg_demuxer_select="golomb"

  2499. opus_muxer_select="ogg_muxer"

  2500. psp_muxer_select="mov_muxer"

  2501. rtp_demuxer_select="sdp_demuxer"

  2502. rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"

  2503. rtsp_demuxer_select="http_protocol rtpdec"

  2504. rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"

  2505. sap_demuxer_select="sdp_demuxer"

  2506. sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"

  2507. sdp_demuxer_select="rtpdec"

  2508. smoothstreaming_muxer_select="ismv_muxer"

  2509. spdif_muxer_select="aac_parser"

  2510. spx_muxer_select="ogg_muxer"

  2511. tak_demuxer_select="tak_parser"

  2512. tg2_muxer_select="mov_muxer"

  2513. tgp_muxer_select="mov_muxer"

  2514. vobsub_demuxer_select="mpegps_demuxer"

  2515. w64_demuxer_select="wav_demuxer"

  2516. w64_muxer_select="wav_muxer"

  2517. wav_demuxer_select="riffdec"

  2518. wav_muxer_select="riffenc"

  2519. webm_muxer_select="riffenc"

  2520. wtv_demuxer_select="riffdec"

  2521. wtv_muxer_select="riffenc"

  2522. xmv_demuxer_select="riffdec"

  2523. xwma_demuxer_select="riffdec"

  2524. 

  2525. # indevs / outdevs

  2526. alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"

  2527. alsa_outdev_deps="alsa_asoundlib_h"

  2528. avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"

  2529. avfoundation_indev_select="avfoundation"

  2530. bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"

  2531. caca_outdev_deps="libcaca"

  2532. decklink_outdev_deps="decklink pthreads"

  2533. decklink_outdev_extralibs="-lstdc++"

  2534. decklink_indev_deps="decklink pthreads"

  2535. decklink_indev_extralibs="-lstdc++"

  2536. dshow_indev_deps="IBaseFilter"

  2537. dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32"

  2538. dv1394_indev_deps="dv1394"

  2539. dv1394_indev_select="dv_demuxer"

  2540. fbdev_indev_deps="linux_fb_h"

  2541. fbdev_outdev_deps="linux_fb_h"

  2542. gdigrab_indev_deps="CreateDIBSection"

  2543. gdigrab_indev_extralibs="-lgdi32"

  2544. gdigrab_indev_select="bmp_decoder"

  2545. iec61883_indev_deps="libiec61883"

  2546. jack_indev_deps="jack_jack_h sem_timedwait"

  2547. lavfi_indev_deps="avfilter"

  2548. libcdio_indev_deps="libcdio"

  2549. libdc1394_indev_deps="libdc1394"

  2550. libv4l2_indev_deps="libv4l2"

  2551. openal_indev_deps="openal"

  2552. opengl_outdev_deps="opengl"

  2553. oss_indev_deps_any="soundcard_h sys_soundcard_h"

  2554. oss_outdev_deps_any="soundcard_h sys_soundcard_h"

  2555. pulse_indev_deps="libpulse"

  2556. pulse_outdev_deps="libpulse"

  2557. qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"

  2558. qtkit_indev_select="qtkit"

  2559. sdl_outdev_deps="sdl"

  2560. sndio_indev_deps="sndio_h"

  2561. sndio_outdev_deps="sndio_h"

  2562. v4l_indev_deps="linux_videodev_h"

  2563. v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"

  2564. v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"

  2565. vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"

  2566. vfwcap_indev_extralibs="-lavicap32"

  2567. xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"

  2568. xv_outdev_extralibs="-lXv -lX11 -lXext"

  2569. x11grab_indev_deps="x11grab"

  2570. x11grab_xcb_indev_deps="libxcb"

  2571. 

  2572. # protocols

  2573. bluray_protocol_deps="libbluray"

  2574. ffrtmpcrypt_protocol_deps="!librtmp_protocol"

  2575. ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"

  2576. ffrtmpcrypt_protocol_select="tcp_protocol"

  2577. ffrtmphttp_protocol_deps="!librtmp_protocol"

  2578. ffrtmphttp_protocol_select="http_protocol"

  2579. ftp_protocol_select="tcp_protocol"

  2580. gopher_protocol_select="network"

  2581. http_protocol_select="tcp_protocol"

  2582. httpproxy_protocol_select="tcp_protocol"

  2583. https_protocol_select="tls_protocol"

  2584. icecast_protocol_select="http_protocol"

  2585. librtmp_protocol_deps="librtmp"

  2586. librtmpe_protocol_deps="librtmp"

  2587. librtmps_protocol_deps="librtmp"

  2588. librtmpt_protocol_deps="librtmp"

  2589. librtmpte_protocol_deps="librtmp"

  2590. libsmbclient_protocol_deps="libsmbclient gplv3"

  2591. libssh_protocol_deps="libssh"

  2592. mmsh_protocol_select="http_protocol"

  2593. mmst_protocol_select="network"

  2594. rtmp_protocol_deps="!librtmp_protocol"

  2595. rtmp_protocol_select="tcp_protocol"

  2596. rtmpe_protocol_select="ffrtmpcrypt_protocol"

  2597. rtmps_protocol_deps="!librtmp_protocol"

  2598. rtmps_protocol_select="tls_protocol"

  2599. rtmpt_protocol_select="ffrtmphttp_protocol"

  2600. rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"

  2601. rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"

  2602. rtp_protocol_select="udp_protocol"

  2603. sctp_protocol_deps="struct_sctp_event_subscribe"

  2604. sctp_protocol_select="network"

  2605. srtp_protocol_select="rtp_protocol"

  2606. tcp_protocol_select="network"

  2607. tls_protocol_deps_any="openssl gnutls"

  2608. tls_protocol_select="tcp_protocol"

  2609. udp_protocol_select="network"

  2610. udplite_protocol_select="network"

  2611. unix_protocol_deps="sys_un_h"

  2612. unix_protocol_select="network"

  2613. 

  2614. # filters

  2615. amovie_filter_deps="avcodec avformat"

  2616. aresample_filter_deps="swresample"

  2617. ass_filter_deps="libass"

  2618. asyncts_filter_deps="avresample"

  2619. atempo_filter_deps="avcodec"

  2620. atempo_filter_select="rdft"

  2621. azmq_filter_deps="libzmq"

  2622. blackframe_filter_deps="gpl"

  2623. boxblur_filter_deps="gpl"

  2624. bs2b_filter_deps="libbs2b"

  2625. colormatrix_filter_deps="gpl"

  2626. cropdetect_filter_deps="gpl"

  2627. delogo_filter_deps="gpl"

  2628. deshake_filter_select="pixelutils"

  2629. drawtext_filter_deps="libfreetype"

  2630. ebur128_filter_deps="gpl"

  2631. eq_filter_deps="gpl"

  2632. fftfilt_filter_deps="avcodec"

  2633. fftfilt_filter_select="rdft"

  2634. flite_filter_deps="libflite"

  2635. frei0r_filter_deps="frei0r dlopen"

  2636. frei0r_src_filter_deps="frei0r dlopen"

  2637. fspp_filter_deps="gpl"

  2638. geq_filter_deps="gpl"

  2639. histeq_filter_deps="gpl"

  2640. hqdn3d_filter_deps="gpl"

  2641. interlace_filter_deps="gpl"

  2642. kerndeint_filter_deps="gpl"

  2643. ladspa_filter_deps="ladspa dlopen"

  2644. mcdeint_filter_deps="avcodec gpl"

  2645. movie_filter_deps="avcodec avformat"

  2646. mpdecimate_filter_deps="gpl"

  2647. mpdecimate_filter_select="pixelutils"

  2648. mptestsrc_filter_deps="gpl"

  2649. negate_filter_deps="lut_filter"

  2650. perspective_filter_deps="gpl"

  2651. pp7_filter_deps="gpl"

  2652. ocv_filter_deps="libopencv"

  2653. owdenoise_filter_deps="gpl"

  2654. pan_filter_deps="swresample"

  2655. phase_filter_deps="gpl"

  2656. pp_filter_deps="gpl postproc"

  2657. pullup_filter_deps="gpl"

  2658. removelogo_filter_deps="avcodec avformat swscale"

  2659. repeatfields_filter_deps="gpl"

  2660. resample_filter_deps="avresample"

  2661. sab_filter_deps="gpl swscale"

  2662. scale_filter_deps="swscale"

  2663. select_filter_select="pixelutils"

  2664. smartblur_filter_deps="gpl swscale"

  2665. showspectrum_filter_deps="avcodec"

  2666. showspectrum_filter_select="rdft"

  2667. spp_filter_deps="gpl avcodec"

  2668. spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"

  2669. stereo3d_filter_deps="gpl"

  2670. subtitles_filter_deps="avformat avcodec libass"

  2671. super2xsai_filter_deps="gpl"

  2672. tinterlace_filter_deps="gpl"

  2673. vidstabdetect_filter_deps="libvidstab"

  2674. vidstabtransform_filter_deps="libvidstab"

  2675. pixfmts_super2xsai_test_deps="super2xsai_filter"

  2676. tinterlace_merge_test_deps="tinterlace_filter"

  2677. tinterlace_pad_test_deps="tinterlace_filter"

  2678. uspp_filter_deps="gpl avcodec"

  2679. zmq_filter_deps="libzmq"

  2680. zoompan_filter_deps="swscale"

  2681. 

  2682. # examples

  2683. avio_reading="avformat avcodec avutil"

  2684. avio_list_dir="avformat avutil"

  2685. avcodec_example_deps="avcodec avutil"

  2686. decoding_encoding_example_deps="avcodec avformat avutil"

  2687. demuxing_decoding_example_deps="avcodec avformat avutil"

  2688. extract_mvs_example_deps="avcodec avformat avutil"

  2689. filter_audio_example_deps="avfilter avutil"

  2690. filtering_audio_example_deps="avfilter avcodec avformat avutil"

  2691. filtering_video_example_deps="avfilter avcodec avformat avutil"

  2692. metadata_example_deps="avformat avutil"

  2693. muxing_example_deps="avcodec avformat avutil swscale"

  2694. qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"

  2695. remuxing_example_deps="avcodec avformat avutil"

  2696. resampling_audio_example_deps="avutil swresample"

  2697. scaling_video_example_deps="avutil swscale"

  2698. transcode_aac_example_deps="avcodec avformat swresample"

  2699. transcoding_example_deps="avfilter avcodec avformat avutil"

  2700. 

  2701. # libraries, in linking order

  2702. avcodec_deps="avutil"

  2703. avdevice_deps="avformat avcodec avutil"

  2704. avfilter_deps="avutil"

  2705. avformat_deps="avcodec avutil"

  2706. avresample_deps="avutil"

  2707. postproc_deps="avutil gpl"

  2708. swresample_deps="avutil"

  2709. swscale_deps="avutil"

  2710. 

  2711. # programs

  2712. ffmpeg_deps="avcodec avfilter avformat swresample"

  2713. ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter

  2714.                null_filter

  2715.                setpts_filter trim_filter"

  2716. ffplay_deps="avcodec avformat swscale swresample sdl"

  2717. ffplay_libs='$sdl_libs'

  2718. ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"

  2719. ffprobe_deps="avcodec avformat"

  2720. ffserver_deps="avformat fork sarestart"

  2721. ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"

  2722. 

  2723. # documentation

  2724. podpages_deps="perl"

  2725. manpages_deps="perl pod2man"

  2726. htmlpages_deps="perl"

  2727. htmlpages_deps_any="makeinfo_html texi2html"

  2728. txtpages_deps="perl makeinfo"

  2729. doc_deps_any="manpages htmlpages podpages txtpages"

  2730. 

  2731. # default parameters

  2732. 

  2733. logfile="config.log"

  2734. 

  2735. # installation paths

  2736. prefix_default="/usr/local"

  2737. bindir_default='${prefix}/bin'

  2738. datadir_default='${prefix}/share/ffmpeg'

  2739. docdir_default='${prefix}/share/doc/ffmpeg'

  2740. incdir_default='${prefix}/include'

  2741. libdir_default='${prefix}/lib'

  2742. mandir_default='${prefix}/share/man'

  2743. 

  2744. # toolchain

  2745. ar_default="ar"

  2746. cc_default="gcc"

  2747. cxx_default="g++"

  2748. host_cc_default="gcc"

  2749. cp_f="cp -f"

  2750. doxygen_default="doxygen"

  2751. install="install"

  2752. ln_s="ln -s -f"

  2753. nm_default="nm -g"

  2754. objformat="elf"

  2755. pkg_config_default=pkg-config

  2756. if ranlib 2>&1 | grep -q "\-D "; then

  2757.     ranlib_default="ranlib -D"

  2758. else

  2759.     ranlib_default="ranlib"

  2760. fi

  2761. strip_default="strip"

  2762. yasmexe_default="yasm"

  2763. windres_default="windres"

  2764. 

  2765. # OS

  2766. target_os_default=$(tolower $(uname -s))

  2767. host_os=$target_os_default

  2768. 

  2769. # machine

  2770. if test "$target_os_default" = aix; then

  2771.     arch_default=$(uname -p)

  2772.     strip_default="strip -X32_64"

  2773. else

  2774.     arch_default=$(uname -m)

  2775. fi

  2776. cpu="generic"

  2777. intrinsics="none"

  2778. 

  2779. # configurable options

  2780. enable $PROGRAM_LIST

  2781. enable $DOCUMENT_LIST

  2782. enable $EXAMPLE_LIST

  2783. enable $(filter_out avresample $LIBRARY_LIST)

  2784. enable stripping

  2785. 

  2786. enable asm

  2787. enable debug

  2788. enable doc

  2789. enable faan faandct faanidct

  2790. enable optimizations

  2791. enable runtime_cpudetect

  2792. enable safe_bitstream_reader

  2793. enable static

  2794. enable swscale_alpha

  2795. 

  2796. sws_max_filter_size_default=256

  2797. set_default sws_max_filter_size

  2798. 

  2799. # Enable hwaccels by default.

  2800. enable dxva2 vaapi vda vdpau xvmc

  2801. enable xlib

  2802. 

  2803. # build settings

  2804. SHFLAGS='-shared -Wl,-soname,$$(@F)'

  2805. LIBPREF="lib"

  2806. LIBSUF=".a"

  2807. FULLNAME='$(NAME)$(BUILDSUF)'

  2808. LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'

  2809. SLIBPREF="lib"

  2810. SLIBSUF=".so"

  2811. SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'

  2812. SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'

  2813. SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'

  2814. LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'

  2815. SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'

  2816. SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'

  2817. 

  2818. asflags_filter=echo

  2819. cflags_filter=echo

  2820. ldflags_filter=echo

  2821. 

  2822. AS_C='-c'

  2823. AS_O='-o $@'

  2824. CC_C='-c'

  2825. CC_E='-E -o $@'

  2826. CC_O='-o $@'

  2827. CXX_C='-c'

  2828. CXX_O='-o $@'

  2829. LD_O='-o $@'

  2830. LD_LIB='-l%'

  2831. LD_PATH='-L'

  2832. HOSTCC_C='-c'

  2833. HOSTCC_E='-E -o $@'

  2834. HOSTCC_O='-o $@'

  2835. HOSTLD_O='-o $@'

  2836. 

  2837. host_libs='-lm'

  2838. host_cflags_filter=echo

  2839. host_ldflags_filter=echo

  2840. 

  2841. target_path='$(CURDIR)'

  2842. 

  2843. # since the object filename is not given with the -MM flag, the compiler

  2844. # is only able to print the basename, and we must add the path ourselves

  2845. DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'

  2846. DEPFLAGS='-MM'

  2847. 

  2848. # find source path

  2849. if test -f configure; then

  2850.     source_path=.

  2851. else

  2852.     source_path=$(cd $(dirname "$0"); pwd)

  2853.     echo "$source_path" | grep -q '[[:blank:]]' &&

  2854.         die "Out of tree builds are impossible with whitespace in source path."

  2855.     test -e "$source_path/config.h" &&

  2856.         die "Out of tree builds are impossible with config.h in source dir."

  2857. fi

  2858. 

  2859. for v in "$@"; do

  2860.     r=${v#*=}

  2861.     l=${v%"$r"}

  2862.     r=$(sh_quote "$r")

  2863.     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"

  2864. done

  2865. 

  2866. find_things(){

  2867.     thing=$1

  2868.     pattern=$2

  2869.     file=$source_path/$3

  2870.     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"

  2871. }

  2872. 

  2873. ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)

  2874. DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)

  2875. HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)

  2876. PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)

  2877. BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)

  2878. MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)

  2879. DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)

  2880. OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)

  2881. INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)

  2882. PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)

  2883. FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)

  2884. 

  2885. ALL_COMPONENTS="

  2886.     $BSF_LIST

  2887.     $DECODER_LIST

  2888.     $DEMUXER_LIST

  2889.     $ENCODER_LIST

  2890.     $FILTER_LIST

  2891.     $HWACCEL_LIST

  2892.     $INDEV_LIST

  2893.     $MUXER_LIST

  2894.     $OUTDEV_LIST

  2895.     $PARSER_LIST

  2896.     $PROTOCOL_LIST

  2897. "

  2898. 

  2899. for n in $COMPONENT_LIST; do

  2900.     v=$(toupper ${n%s})_LIST

  2901.     eval enable \$$v

  2902.     eval ${n}_if_any="\$$v"

  2903. done

  2904. 

  2905. enable $ARCH_EXT_LIST

  2906. 

  2907. die_unknown(){

  2908.     echo "Unknown option \"$1\"."

  2909.     echo "See $0 --help for available options."

  2910.     exit 1

  2911. }

  2912. 

  2913. print_3_columns() {

  2914.     cat | tr ' ' '\n' | sort | pr -r -3 -t

  2915. }

  2916. 

  2917. show_list() {

  2918.     suffix=_$1

  2919.     shift

  2920.     echo $* | sed s/$suffix//g | print_3_columns

  2921.     exit 0

  2922. }

  2923. 

  2924. rand_list(){

  2925.     IFS=', '

  2926.     set -- $*

  2927.     unset IFS

  2928.     for thing; do

  2929.         comp=${thing%:*}

  2930.         prob=${thing#$comp}

  2931.         prob=${prob#:}

  2932.         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST

  2933.         echo "prob ${prob:-0.5}"

  2934.         printf '%s\n' $comp

  2935.     done

  2936. }

  2937. 

  2938. do_random(){

  2939.     action=$1

  2940.     shift

  2941.     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")

  2942.     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")

  2943. }

  2944. 

  2945. for opt do

  2946.     optval="${opt#*=}"

  2947.     case "$opt" in

  2948.         --extra-ldflags=*)

  2949.             add_ldflags $optval

  2950.         ;;

  2951.         --extra-ldexeflags=*)

  2952.             add_ldexeflags $optval

  2953.         ;;

  2954.         --extra-libs=*)

  2955.             add_extralibs $optval

  2956.         ;;

  2957.         --disable-devices)

  2958.             disable $INDEV_LIST $OUTDEV_LIST

  2959.         ;;

  2960.         --enable-debug=*)

  2961.             debuglevel="$optval"

  2962.         ;;

  2963.         --disable-programs)

  2964.             disable $PROGRAM_LIST

  2965.         ;;

  2966.         --disable-everything)

  2967.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  2968.         ;;

  2969.         --disable-all)

  2970.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  2971.             disable $LIBRARY_LIST $PROGRAM_LIST doc

  2972.         ;;

  2973.         --enable-random|--disable-random)

  2974.             action=${opt%%-random}

  2975.             do_random ${action#--} $COMPONENT_LIST

  2976.         ;;

  2977.         --enable-random=*|--disable-random=*)

  2978.             action=${opt%%-random=*}

  2979.             do_random ${action#--} $optval

  2980.         ;;

  2981.         --enable-*=*|--disable-*=*)

  2982.             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')

  2983.             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"

  2984.             eval list=\$$(toupper $thing)_LIST

  2985.             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}

  2986.             list=$(filter "$name" $list)

  2987.             [ "$list" = "" ] && warn "Option $opt did not match anything"

  2988.             $action $list

  2989.         ;;

  2990.         --enable-?*|--disable-?*)

  2991.             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')

  2992.             if is_in $option $COMPONENT_LIST; then

  2993.                 test $action = disable && action=unset

  2994.                 eval $action \$$(toupper ${option%s})_LIST

  2995.             elif is_in $option $CMDLINE_SELECT; then

  2996.                 $action $option

  2997.             else

  2998.                 die_unknown $opt

  2999.             fi

  3000.         ;;

  3001.         --list-*)

  3002.             NAME="${opt#--list-}"

  3003.             is_in $NAME $COMPONENT_LIST || die_unknown $opt

  3004.             NAME=${NAME%s}

  3005.             eval show_list $NAME \$$(toupper $NAME)_LIST

  3006.         ;;

  3007.         --help|-h) show_help

  3008.         ;;

  3009.         --fatal-warnings) enable fatal_warnings

  3010.         ;;

  3011.         *)

  3012.             optname="${opt%%=*}"

  3013.             optname="${optname#--}"

  3014.             optname=$(echo "$optname" | sed 's/-/_/g')

  3015.             if is_in $optname $CMDLINE_SET; then

  3016.                 eval $optname='$optval'

  3017.             elif is_in $optname $CMDLINE_APPEND; then

  3018.                 append $optname "$optval"

  3019.             else

  3020.                 die_unknown $opt

  3021.             fi

  3022.         ;;

  3023.     esac

  3024. done

  3025. 

  3026. disabled logging && logfile=/dev/null

  3027. 

  3028. echo "# $0 $FFMPEG_CONFIGURATION" > $logfile

  3029. set >> $logfile

  3030. 

  3031. test -n "$valgrind" && toolchain="valgrind-memcheck"

  3032. 

  3033. case "$toolchain" in

  3034.     clang-asan)

  3035.         cc_default="clang"

  3036.         add_cflags  -fsanitize=address

  3037.         add_ldflags -fsanitize=address

  3038.     ;;

  3039.     clang-tsan)

  3040.         cc_default="clang"

  3041.         add_cflags  -fsanitize=thread -pie

  3042.         add_ldflags -fsanitize=thread -pie

  3043.     ;;

  3044.     clang-usan)

  3045.         cc_default="clang"

  3046.         add_cflags  -fsanitize=undefined

  3047.         add_ldflags -fsanitize=undefined

  3048.     ;;

  3049.     gcc-asan)

  3050.         cc_default="gcc"

  3051.         add_cflags  -fsanitize=address

  3052.         add_ldflags -fsanitize=address

  3053.     ;;

  3054.     gcc-tsan)

  3055.         cc_default="gcc"

  3056.         add_cflags  -fsanitize=thread -pie -fPIC

  3057.         add_ldflags -fsanitize=thread -pie -fPIC

  3058.     ;;

  3059.     gcc-usan)

  3060.         cc_default="gcc"

  3061.         add_cflags  -fsanitize=undefined

  3062.         add_ldflags -fsanitize=undefined

  3063.     ;;

  3064.     valgrind-massif)

  3065.         target_exec_default=${valgrind:-"valgrind"}

  3066.         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"

  3067.     ;;

  3068.     valgrind-memcheck)

  3069.         target_exec_default=${valgrind:-"valgrind"}

  3070.         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"

  3071.     ;;

  3072.     msvc)

  3073.         # Check whether the current MSVC version needs the C99 converter.

  3074.         # From MSVC 2013 (compiler major version 18) onwards, it does actually

  3075.         # support enough of C99 to build ffmpeg. Default to the new

  3076.         # behaviour if the regexp was unable to match anything, since this

  3077.         # successfully parses the version number of existing supported

  3078.         # versions that require the converter (MSVC 2010 and 2012).

  3079.         cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')

  3080.         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then

  3081.             cc_default="cl"

  3082.         else

  3083.             cc_default="c99wrap cl"

  3084.         fi

  3085.         ld_default="link"

  3086.         nm_default="dumpbin -symbols"

  3087.         ar_default="lib"

  3088.         target_os_default="win32"

  3089.         # Use a relative path for TMPDIR. This makes sure all the

  3090.         # ffconf temp files are written with a relative path, avoiding

  3091.         # issues with msys/win32 path conversion for MSVC parameters

  3092.         # such as -Fo<file> or -out:<file>.

  3093.         TMPDIR=.

  3094.     ;;

  3095.     icl)

  3096.         cc_default="icl"

  3097.         ld_default="xilink"

  3098.         nm_default="dumpbin -symbols"

  3099.         ar_default="xilib"

  3100.         target_os_default="win32"

  3101.         TMPDIR=.

  3102.     ;;

  3103.     gcov)

  3104.         add_cflags  -fprofile-arcs -ftest-coverage

  3105.         add_ldflags -fprofile-arcs -ftest-coverage

  3106.     ;;

  3107.     hardened)

  3108.         add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2

  3109.         add_cflags   -fno-strict-overflow -fstack-protector-all

  3110.         add_ldflags  -Wl,-z,relro -Wl,-z,now

  3111.     ;;

  3112.     ?*)

  3113.         die "Unknown toolchain $toolchain"

  3114.     ;;

  3115. esac

  3116. 

  3117. test -n "$cross_prefix" && enable cross_compile

  3118. 

  3119. if enabled cross_compile; then

  3120.     test -n "$arch" && test -n "$target_os" ||

  3121.         die "Must specify target arch and OS when cross-compiling"

  3122. fi

  3123. 

  3124. ar_default="${cross_prefix}${ar_default}"

  3125. cc_default="${cross_prefix}${cc_default}"

  3126. cxx_default="${cross_prefix}${cxx_default}"

  3127. nm_default="${cross_prefix}${nm_default}"

  3128. pkg_config_default="${cross_prefix}${pkg_config_default}"

  3129. ranlib_default="${cross_prefix}${ranlib_default}"

  3130. strip_default="${cross_prefix}${strip_default}"

  3131. windres_default="${cross_prefix}${windres_default}"

  3132. 

  3133. sysinclude_default="${sysroot}/usr/include"

  3134. 

  3135. set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \

  3136.     target_exec target_os yasmexe

  3137. enabled cross_compile || host_cc_default=$cc

  3138. set_default host_cc

  3139. 

  3140. pkg_config_fail_message=""

  3141. if ! $pkg_config --version >/dev/null 2>&1; then

  3142.     warn "$pkg_config not found, library detection may fail."

  3143.     pkg_config=false

  3144. elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then

  3145.     pkg_config_fail_message="

  3146. Note: When building a static binary, add --pkg-config-flags=\"--static\"."

  3147. fi

  3148. 

  3149. if test $doxygen != $doxygen_default && \

  3150.   ! $doxygen --version >/dev/null 2>&1; then

  3151.     warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."

  3152. fi

  3153. 

  3154. exesuf() {

  3155.     case $1 in

  3156.         mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;

  3157.     esac

  3158. }

  3159. 

  3160. EXESUF=$(exesuf $target_os)

  3161. HOSTEXESUF=$(exesuf $host_os)

  3162. 

  3163. # set temporary file name

  3164. : ${TMPDIR:=$TEMPDIR}

  3165. : ${TMPDIR:=$TMP}

  3166. : ${TMPDIR:=/tmp}

  3167. 

  3168. if [ -n "$tempprefix" ] ; then

  3169.     mktemp(){

  3170.         echo $tempprefix.${HOSTNAME}.${UID}

  3171.     }

  3172. elif ! check_cmd mktemp -u XXXXXX; then

  3173.     # simple replacement for missing mktemp

  3174.     # NOT SAFE FOR GENERAL USE

  3175.     mktemp(){

  3176.         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"

  3177.     }

  3178. fi

  3179. 

  3180. tmpfile(){

  3181.     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&

  3182.         (set -C; exec > $tmp) 2>/dev/null ||

  3183.         die "Unable to create temporary file in $TMPDIR."

  3184.     append TMPFILES $tmp

  3185.     eval $1=$tmp

  3186. }

  3187. 

  3188. trap 'rm -f -- $TMPFILES' EXIT

  3189. 

  3190. tmpfile TMPASM .asm

  3191. tmpfile TMPC   .c

  3192. tmpfile TMPCPP .cpp

  3193. tmpfile TMPE   $EXESUF

  3194. tmpfile TMPH   .h

  3195. tmpfile TMPM   .m

  3196. tmpfile TMPO   .o

  3197. tmpfile TMPS   .S

  3198. tmpfile TMPSH  .sh

  3199. tmpfile TMPV   .ver

  3200. 

  3201. unset -f mktemp

  3202. 

  3203. chmod +x $TMPE

  3204. 

  3205. # make sure we can execute files in $TMPDIR

  3206. cat > $TMPSH 2>> $logfile <<EOF

  3207. #! /bin/sh

  3208. EOF

  3209. chmod +x $TMPSH >> $logfile 2>&1

  3210. if ! $TMPSH >> $logfile 2>&1; then

  3211.     cat <<EOF

  3212. Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment

  3213. variable to another directory and make sure that it is not mounted noexec.

  3214. EOF

  3215.     die "Sanity test failed."

  3216. fi

  3217. 

  3218. armasm_flags(){

  3219.     for flag; do

  3220.         case $flag in

  3221.             # Filter out MSVC cl.exe options from cflags that shouldn't

  3222.             # be passed to gas-preprocessor

  3223.             -M[TD]*)                                            ;;

  3224.             *)                  echo $flag                      ;;

  3225.         esac

  3226.    done

  3227. }

  3228. 

  3229. ccc_flags(){

  3230.     for flag; do

  3231.         case $flag in

  3232.             -std=c99)           echo -c99                       ;;

  3233.             -mcpu=*)            echo -arch ${flag#*=}           ;;

  3234.             -mieee)             echo -ieee                      ;;

  3235.             -O*|-fast)          echo $flag                      ;;

  3236.             -fno-math-errno)    echo -assume nomath_errno       ;;

  3237.             -g)                 echo -g3                        ;;

  3238.             -Wall)              echo -msg_enable level2         ;;

  3239.             -Wno-pointer-sign)  echo -msg_disable ptrmismatch1  ;;

  3240.             -Wl,*)              echo $flag                      ;;

  3241.             -f*|-W*)                                            ;;

  3242.             *)                  echo $flag                      ;;

  3243.         esac

  3244.    done

  3245. }

  3246. 

  3247. cparser_flags(){

  3248.     for flag; do

  3249.         case $flag in

  3250.             -Wno-switch)             echo -Wno-switch-enum ;;

  3251.             -Wno-format-zero-length) ;;

  3252.             -Wdisabled-optimization) ;;

  3253.             -Wno-pointer-sign)       echo -Wno-other ;;

  3254.             *)                       echo $flag ;;

  3255.         esac

  3256.     done

  3257. }

  3258. 

  3259. msvc_common_flags(){

  3260.     for flag; do

  3261.         case $flag in

  3262.             # In addition to specifying certain flags under the compiler

  3263.             # specific filters, they must be specified here as well or else the

  3264.             # generic catch all at the bottom will print the original flag.

  3265.             -Wall)                ;;

  3266.             -std=c99)             ;;

  3267.             # Common flags

  3268.             -fomit-frame-pointer) ;;

  3269.             -g)                   echo -Z7 ;;

  3270.             -fno-math-errno)      ;;

  3271.             -fno-common)          ;;

  3272.             -fno-signed-zeros)    ;;

  3273.             -fPIC)                ;;

  3274.             -mthumb)              ;;

  3275.             -march=*)             ;;

  3276.             -lz)                  echo zlib.lib ;;

  3277.             -lavifil32)           echo vfw32.lib ;;

  3278.             -lavicap32)           echo vfw32.lib user32.lib ;;

  3279.             -l*)                  echo ${flag#-l}.lib ;;

  3280.             -L*)                  echo -libpath:${flag#-L} ;;

  3281.             *)                    echo $flag ;;

  3282.         esac

  3283.     done

  3284. }

  3285. 

  3286. msvc_flags(){

  3287.     msvc_common_flags "$@"

  3288.     for flag; do

  3289.         case $flag in

  3290.             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389     \

  3291.                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \

  3292.                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \

  3293.                                        -wd4307 \

  3294.                                        -wd4273 -wd4554 -wd4701 ;;

  3295.         esac

  3296.     done

  3297. }

  3298. 

  3299. icl_flags(){

  3300.     msvc_common_flags "$@"

  3301.     for flag; do

  3302.         case $flag in

  3303.             # Despite what Intel's documentation says -Wall, which is supported

  3304.             # on Windows, does enable remarks so disable them here.

  3305.             -Wall)                echo $flag -Qdiag-disable:remark ;;

  3306.             -std=c99)             echo -Qstd=c99 ;;

  3307.             -flto)                echo -ipo ;;

  3308.         esac

  3309.     done

  3310. }

  3311. 

  3312. icc_flags(){

  3313.     for flag; do

  3314.         case $flag in

  3315.             -flto)                echo -ipo ;;

  3316.             *)                    echo $flag ;;

  3317.         esac

  3318.     done

  3319. }

  3320. 

  3321. pgi_flags(){

  3322.     for flag; do

  3323.         case $flag in

  3324.             -flto)                echo -Mipa=fast,libopt,libinline,vestigial ;;

  3325.             -fomit-frame-pointer) echo -Mnoframe ;;

  3326.             -g)                   echo -gopt ;;

  3327.             *)                    echo $flag ;;

  3328.         esac

  3329.     done

  3330. }

  3331. 

  3332. suncc_flags(){

  3333.     for flag; do

  3334.         case $flag in

  3335.             -march=*|-mcpu=*)

  3336.                 case "${flag#*=}" in

  3337.                     native)                   echo -xtarget=native       ;;

  3338.                     v9|niagara)               echo -xarch=sparc          ;;

  3339.                     ultrasparc)               echo -xarch=sparcvis       ;;

  3340.                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;

  3341.                     i586|pentium)             echo -xchip=pentium        ;;

  3342.                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;

  3343.                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;

  3344.                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;

  3345.                     pentium4*)          echo -xtarget=pentium4           ;;

  3346.                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;

  3347.                     *-sse3)             echo -xarch=sse3                 ;;

  3348.                     core2)              echo -xarch=ssse3 -xchip=core2   ;;

  3349.                     bonnell)                   echo -xarch=ssse3         ;;

  3350.                     corei7|nehalem)            echo -xtarget=nehalem     ;;

  3351.                     westmere)                  echo -xtarget=westmere    ;;

  3352.                     silvermont)                echo -xarch=sse4_2        ;;

  3353.                     corei7-avx|sandybridge)    echo -xtarget=sandybridge ;;

  3354.                     core-avx*|ivybridge|haswell|broadwell)

  3355.                                                echo -xarch=avx           ;;

  3356.                     amdfam10|barcelona)        echo -xtarget=barcelona   ;;

  3357.                     btver1)                    echo -xarch=amdsse4a      ;;

  3358.                     btver2|bdver*)             echo -xarch=avx           ;;

  3359.                     athlon-4|athlon-[mx]p)     echo -xarch=ssea          ;;

  3360.                     k8|opteron|athlon64|athlon-fx)

  3361.                                                echo -xarch=sse2a         ;;

  3362.                     athlon*)                   echo -xarch=pentium_proa  ;;

  3363.                 esac

  3364.                 ;;

  3365.             -std=c99)             echo -xc99              ;;

  3366.             -fomit-frame-pointer) echo -xregs=frameptr    ;;

  3367.             -fPIC)                echo -KPIC -xcode=pic32 ;;

  3368.             -W*,*)                echo $flag              ;;

  3369.             -f*-*|-W*|-mimpure-text)                      ;;

  3370.             -shared)              echo -G                 ;;

  3371.             *)                    echo $flag              ;;

  3372.         esac

  3373.     done

  3374. }

  3375. 

  3376. tms470_flags(){

  3377.     for flag; do

  3378.         case $flag in

  3379.             -march=*|-mcpu=*)

  3380.                 case "${flag#*=}" in

  3381.                     armv7-a|cortex-a*)      echo -mv=7a8 ;;

  3382.                     armv7-r|cortex-r*)      echo -mv=7r4 ;;

  3383.                     armv7-m|cortex-m*)      echo -mv=7m3 ;;

  3384.                     armv6*|arm11*)          echo -mv=6   ;;

  3385.                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])

  3386.                                             echo -mv=5e  ;;

  3387.                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;

  3388.                 esac

  3389.                 ;;

  3390.             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;

  3391.             -mfpu=vfp)      echo --float_support=vfpv2        ;;

  3392.             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;

  3393.             -mfpu=vfpv3-d16) echo --float_support=vfpv3d16    ;;

  3394.             -msoft-float)   echo --float_support=vfplib       ;;

  3395.             -O[0-3]|-mf=*)  echo $flag                        ;;

  3396.             -g)             echo -g -mn                       ;;

  3397.             -pds=*)         echo $flag                        ;;

  3398.             -D*|-I*)        echo $flag                        ;;

  3399.             --gcc|--abi=*)  echo $flag                        ;;

  3400.             -me)            echo $flag                        ;;

  3401.         esac

  3402.     done

  3403. }

  3404. 

  3405. probe_cc(){

  3406.     pfx=$1

  3407.     _cc=$2

  3408. 

  3409.     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags

  3410.     unset _ld_o _ldflags _ld_lib _ld_path

  3411.     unset _depflags _DEPCMD _DEPFLAGS

  3412.     _flags_filter=echo

  3413. 

  3414.     if $_cc --version 2>&1 | grep -q '^GNU assembler'; then

  3415.         true # no-op to avoid reading stdin in following checks

  3416.     elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then

  3417.         _type=llvm_gcc

  3418.         gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')

  3419.         _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"

  3420.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3421.         _cflags_speed='-O3'

  3422.         _cflags_size='-Os'

  3423.     elif $_cc -v 2>&1 | grep -qi ^gcc; then

  3424.         _type=gcc

  3425.         gcc_version=$($_cc --version | head -n1)

  3426.         gcc_basever=$($_cc -dumpversion)

  3427.         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')

  3428.         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")

  3429.         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")

  3430.         if ! $_cc -dumpversion | grep -q '^2\.'; then

  3431.             _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3432.         fi

  3433.         _cflags_speed='-O3'

  3434.         _cflags_size='-Os'

  3435.     elif $_cc --version 2>/dev/null | grep -q ^icc; then

  3436.         _type=icc

  3437.         _ident=$($_cc --version | head -n1)

  3438.         _depflags='-MMD'

  3439.         _cflags_speed='-O3'

  3440.         _cflags_size='-Os'

  3441.         _cflags_noopt='-O1'

  3442.         _flags_filter=icc_flags

  3443.     elif $_cc -v 2>&1 | grep -q xlc; then

  3444.         _type=xlc

  3445.         _ident=$($_cc -qversion 2>/dev/null | head -n1)

  3446.         _cflags_speed='-O5'

  3447.         _cflags_size='-O5 -qcompact'

  3448.     elif $_cc -V 2>/dev/null | grep -q Compaq; then

  3449.         _type=ccc

  3450.         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)

  3451.         _DEPFLAGS='-M'

  3452.         _cflags_speed='-fast'

  3453.         _cflags_size='-O1'

  3454.         _flags_filter=ccc_flags

  3455.     elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then

  3456.         test -d "$sysroot" || die "No valid sysroot specified."

  3457.         _type=armcc

  3458.         _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')

  3459.         armcc_conf="$PWD/armcc.conf"

  3460.         $_cc --arm_linux_configure                 \

  3461.              --arm_linux_config_file="$armcc_conf" \

  3462.              --configure_sysroot="$sysroot"        \

  3463.              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||

  3464.              die "Error creating armcc configuration file."

  3465.         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc

  3466.         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"

  3467.         as_default="${cross_prefix}gcc"

  3468.         _depflags='-MMD'

  3469.         _cflags_speed='-O3'

  3470.         _cflags_size='-Os'

  3471.     elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then

  3472.         _type=tms470

  3473.         _ident=$($_cc -version | head -n1 | tr -s ' ')

  3474.         _flags='--gcc --abi=eabi -me'

  3475.         _cc_e='-ppl -fe=$@'

  3476.         _cc_o='-fe=$@'

  3477.         _depflags='-ppa -ppd=$(@:.o=.d)'

  3478.         _cflags_speed='-O3 -mf=5'

  3479.         _cflags_size='-O3 -mf=2'

  3480.         _flags_filter=tms470_flags

  3481.     elif $_cc -v 2>&1 | grep -q clang; then

  3482.         _type=clang

  3483.         _ident=$($_cc --version | head -n1)

  3484.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3485.         _cflags_speed='-O3'

  3486.         _cflags_size='-Os'

  3487.     elif $_cc -V 2>&1 | grep -q Sun; then

  3488.         _type=suncc

  3489.         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)

  3490.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'

  3491.         _DEPFLAGS='-xM1 -xc99'

  3492.         _ldflags='-std=c99'

  3493.         _cflags_speed='-O5'

  3494.         _cflags_size='-O5 -xspace'

  3495.         _flags_filter=suncc_flags

  3496.     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then

  3497.         _type=pathscale

  3498.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

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

  3500.         _cflags_speed='-O2'

  3501.         _cflags_size='-Os'

  3502.         _flags_filter='filter_out -Wdisabled-optimization'

  3503.     elif $_cc -v 2>&1 | grep -q Open64; then

  3504.         _type=open64

  3505.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  3506.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3507.         _cflags_speed='-O2'

  3508.         _cflags_size='-Os'

  3509.         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'

  3510.     elif $_cc -V 2>&1 | grep -q Portland; then

  3511.         _type=pgi

  3512.         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"

  3513.         opt_common='-alias=ansi -Mdse -Mlre -Mpre'

  3514.         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"

  3515.         _cflags_size="-O2 -Munroll=c:1 $opt_common"

  3516.         _cflags_noopt="-O"

  3517.         _flags_filter=pgi_flags

  3518.     elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then

  3519.         _type=armasm

  3520.         _ident=$($_cc | head -n1)

  3521.         # 4509: "This form of conditional instruction is deprecated"

  3522.         _flags="-nologo -ignore 4509"

  3523.         _flags_filter=armasm_flags

  3524.     elif $_cc 2>&1 | grep -q Intel; then

  3525.         _type=icl

  3526.         _ident=$($cc 2>&1 | head -n1)

  3527.         _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'

  3528.         # Not only is O3 broken on 13.x+ but it is slower on all previous

  3529.         # versions (tested) as well.

  3530.         _cflags_speed="-O2"

  3531.         _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff

  3532.         if $_cc 2>&1 | grep -q Linker; then

  3533.             _ld_o='-out:$@'

  3534.         else

  3535.             _ld_o='-Fe$@'

  3536.         fi

  3537.         _cc_o='-Fo$@'

  3538.         _cc_e='-P'

  3539.         _flags_filter=icl_flags

  3540.         _ld_lib='lib%.a'

  3541.         _ld_path='-libpath:'

  3542.         # -Qdiag-error to make icl error when seeing certain unknown arguments

  3543.         _flags='-nologo -Qdiag-error:4044,10157'

  3544.         # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency

  3545.         # with MSVC which enables it by default.

  3546.         _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS -fp:precise'

  3547.         if [ $pfx = hostcc ]; then

  3548.             append _cflags -Dsnprintf=_snprintf

  3549.         fi

  3550.         disable stripping

  3551.     elif $_cc 2>&1 | grep -q Microsoft; then

  3552.         _type=msvc

  3553.         _ident=$($cc 2>&1 | head -n1)

  3554.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'

  3555.         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'

  3556.         _cflags_speed="-O2"

  3557.         _cflags_size="-O1"

  3558.         if $_cc 2>&1 | grep -q Linker; then

  3559.             _ld_o='-out:$@'

  3560.         else

  3561.             _ld_o='-Fe$@'

  3562.         fi

  3563.         _cc_o='-Fo$@'

  3564.         _cc_e='-P -Fi$@'

  3565.         _flags_filter=msvc_flags

  3566.         _ld_lib='lib%.a'

  3567.         _ld_path='-libpath:'

  3568.         _flags='-nologo'

  3569.         _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'

  3570.         if [ $pfx = hostcc ]; then

  3571.             if [ -z "$cl_major_ver" ] || [ $cl_major_ver -le 18 ]; then

  3572.                 append _cflags -Dsnprintf=_snprintf

  3573.             fi

  3574.         fi

  3575.         disable stripping

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

  3577.         _type=cparser

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

  3579.         _depflags='-MMD'

  3580.         _cflags_speed='-O4'

  3581.         _cflags_size='-O2'

  3582.         _flags_filter=cparser_flags

  3583.     fi

  3584. 

  3585.     eval ${pfx}_type=\$_type

  3586.     eval ${pfx}_ident=\$_ident

  3587. }

  3588. 

  3589. set_ccvars(){

  3590.     eval ${1}_C=\${_cc_c-\${${1}_C}}

  3591.     eval ${1}_E=\${_cc_e-\${${1}_E}}

  3592.     eval ${1}_O=\${_cc_o-\${${1}_O}}

  3593. 

  3594.     if [ -n "$_depflags" ]; then

  3595.         eval ${1}_DEPFLAGS=\$_depflags

  3596.     else

  3597.         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}

  3598.         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}

  3599.         eval DEP${1}FLAGS=\$_flags

  3600.     fi

  3601. }

  3602. 

  3603. probe_cc cc "$cc"

  3604. cflags_filter=$_flags_filter

  3605. cflags_speed=$_cflags_speed

  3606. cflags_size=$_cflags_size

  3607. cflags_noopt=$_cflags_noopt

  3608. add_cflags $_flags $_cflags

  3609. cc_ldflags=$_ldflags

  3610. set_ccvars CC

  3611. 

  3612. probe_cc hostcc "$host_cc"

  3613. host_cflags_filter=$_flags_filter

  3614. add_host_cflags  $_flags $_cflags

  3615. set_ccvars HOSTCC

  3616. 

  3617. test -n "$cc_type" && enable $cc_type ||

  3618.     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"

  3619. 

  3620. : ${as_default:=$cc}

  3621. : ${dep_cc_default:=$cc}

  3622. : ${ld_default:=$cc}

  3623. : ${host_ld_default:=$host_cc}

  3624. set_default ar as dep_cc ld host_ld windres

  3625. 

  3626. probe_cc as "$as"

  3627. asflags_filter=$_flags_filter

  3628. add_asflags $_flags $_cflags

  3629. set_ccvars AS

  3630. 

  3631. probe_cc ld "$ld"

  3632. ldflags_filter=$_flags_filter

  3633. add_ldflags $_flags $_ldflags

  3634. test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags

  3635. LD_O=${_ld_o-$LD_O}

  3636. LD_LIB=${_ld_lib-$LD_LIB}

  3637. LD_PATH=${_ld_path-$LD_PATH}

  3638. 

  3639. probe_cc hostld "$host_ld"

  3640. host_ldflags_filter=$_flags_filter

  3641. add_host_ldflags $_flags $_ldflags

  3642. HOSTLD_O=${_ld_o-$HOSTLD_O}

  3643. 

  3644. if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then

  3645.     probe_cc depcc "$dep_cc"

  3646.     CCDEP=${_DEPCMD:-$DEPCMD}

  3647.     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}

  3648.     DEPCCFLAGS=$_flags

  3649. fi

  3650. 

  3651. if $ar 2>&1 | grep -q Microsoft; then

  3652.     arflags="-nologo"

  3653.     ar_o='-out:$@'

  3654. elif $ar 2>&1 | grep -q 'Texas Instruments'; then

  3655.     arflags="rq"

  3656.     ar_o='$@'

  3657. elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then

  3658.     arflags='-Xany -r -c'

  3659.     ar_o='$@'

  3660. elif $ar 2>&1 | grep -q "\[D\] "; then

  3661.     arflags="rcD"

  3662.     ar_o='$@'

  3663. else

  3664.     arflags="rc"

  3665.     ar_o='$@'

  3666. fi

  3667. 

  3668. add_cflags $extra_cflags

  3669. add_cxxflags $extra_cxxflags

  3670. add_asflags $extra_cflags

  3671. 

  3672. if test -n "$sysroot"; then

  3673.     case "$cc_type" in

  3674.         gcc|llvm_gcc|clang)

  3675.             add_cppflags --sysroot="$sysroot"

  3676.             add_ldflags --sysroot="$sysroot"

  3677. # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking

  3678.             add_cppflags -isysroot "$sysroot"

  3679.             add_ldflags -isysroot "$sysroot"

  3680.         ;;

  3681.         tms470)

  3682.             add_cppflags -I"$sysinclude"

  3683.             add_ldflags  --sysroot="$sysroot"

  3684.         ;;

  3685.     esac

  3686. fi

  3687. 

  3688. if test "$cpu" = host; then

  3689.     enabled cross_compile &&

  3690.         die "--cpu=host makes no sense when cross-compiling."

  3691. 

  3692.     case "$cc_type" in

  3693.         gcc|llvm_gcc)

  3694.             check_native(){

  3695.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  3696.                 sed -n "/cc1.*$1=/{

  3697.                             s/.*$1=\\([^ ]*\\).*/\\1/

  3698.                             p

  3699.                             q

  3700.                         }" $TMPE

  3701.             }

  3702.             cpu=$(check_native -march || check_native -mcpu)

  3703.         ;;

  3704.     esac

  3705. 

  3706.     test "${cpu:-host}" = host &&

  3707.         die "--cpu=host not supported with compiler $cc"

  3708. fi

  3709. 

  3710. # Deal with common $arch aliases

  3711. case "$arch" in

  3712.     aarch64|arm64)

  3713.         arch="aarch64"

  3714.     ;;

  3715.     arm*|iPad*|iPhone*)

  3716.         arch="arm"

  3717.     ;;

  3718.     mips*|IP*)

  3719.         arch="mips"

  3720.     ;;

  3721.     parisc*|hppa*)

  3722.         arch="parisc"

  3723.     ;;

  3724.     "Power Macintosh"|ppc*|powerpc*)

  3725.         arch="ppc"

  3726.     ;;

  3727.     s390|s390x)

  3728.         arch="s390"

  3729.     ;;

  3730.     sh4|sh)

  3731.         arch="sh4"

  3732.     ;;

  3733.     sun4u|sparc*)

  3734.         arch="sparc"

  3735.     ;;

  3736.     tilegx|tile-gx)

  3737.         arch="tilegx"

  3738.     ;;

  3739.     i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)

  3740.         arch="x86"

  3741.     ;;

  3742. esac

  3743. 

  3744. is_in $arch $ARCH_LIST || warn "unknown architecture $arch"

  3745. enable $arch

  3746. 

  3747. # Add processor-specific flags

  3748. if enabled aarch64; then

  3749. 

  3750.     case $cpu in

  3751.         armv*)

  3752.             cpuflags="-march=$cpu"

  3753.         ;;

  3754.         *)

  3755.             cpuflags="-mcpu=$cpu"

  3756.         ;;

  3757.     esac

  3758. 

  3759. elif enabled alpha; then

  3760. 

  3761.     cpuflags="-mcpu=$cpu"

  3762. 

  3763. elif enabled arm; then

  3764. 

  3765.     check_arm_arch() {

  3766.         check_cpp_condition stddef.h \

  3767.             "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \

  3768.             $cpuflags

  3769.     }

  3770. 

  3771.     probe_arm_arch() {

  3772.         if   check_arm_arch 4;        then echo armv4;

  3773.         elif check_arm_arch 4T;       then echo armv4t;

  3774.         elif check_arm_arch 5;        then echo armv5;

  3775.         elif check_arm_arch 5E;       then echo armv5e;

  3776.         elif check_arm_arch 5T;       then echo armv5t;

  3777.         elif check_arm_arch 5TE;      then echo armv5te;

  3778.         elif check_arm_arch 5TEJ;     then echo armv5te;

  3779.         elif check_arm_arch 6;        then echo armv6;

  3780.         elif check_arm_arch 6J;       then echo armv6j;

  3781.         elif check_arm_arch 6K;       then echo armv6k;

  3782.         elif check_arm_arch 6Z;       then echo armv6z;

  3783.         elif check_arm_arch 6ZK;      then echo armv6zk;

  3784.         elif check_arm_arch 6T2;      then echo armv6t2;

  3785.         elif check_arm_arch 7;        then echo armv7;

  3786.         elif check_arm_arch 7A  7_A;  then echo armv7-a;

  3787.         elif check_arm_arch 7S;       then echo armv7-a;

  3788.         elif check_arm_arch 7R  7_R;  then echo armv7-r;

  3789.         elif check_arm_arch 7M  7_M;  then echo armv7-m;

  3790.         elif check_arm_arch 7EM 7E_M; then echo armv7-m;

  3791.         elif check_arm_arch 8A  8_A;  then echo armv8-a;

  3792.         fi

  3793.     }

  3794. 

  3795.     [ "$cpu" = generic ] && cpu=$(probe_arm_arch)

  3796. 

  3797.     case $cpu in

  3798.         armv*)

  3799.             cpuflags="-march=$cpu"

  3800.             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')

  3801.         ;;

  3802.         *)

  3803.             cpuflags="-mcpu=$cpu"

  3804.             case $cpu in

  3805.                 cortex-a*)                               subarch=armv7a  ;;

  3806.                 cortex-r*)                               subarch=armv7r  ;;

  3807.                 cortex-m*)                 enable thumb; subarch=armv7m  ;;

  3808.                 arm11*)                                  subarch=armv6   ;;

  3809.                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;

  3810.                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;

  3811.                 *)                             subarch=$(probe_arm_arch) ;;

  3812.             esac

  3813.         ;;

  3814.     esac

  3815. 

  3816.     case "$subarch" in

  3817.         armv5t*)    enable fast_clz                ;;

  3818.         armv[6-8]*)

  3819.             enable fast_clz

  3820.             disabled fast_unaligned || enable fast_unaligned

  3821.             ;;

  3822.     esac

  3823. 

  3824. elif enabled avr32; then

  3825. 

  3826.     case $cpu in

  3827.         ap7[02]0[0-2])

  3828.             subarch="avr32_ap"

  3829.             cpuflags="-mpart=$cpu"

  3830.         ;;

  3831.         ap)

  3832.             subarch="avr32_ap"

  3833.             cpuflags="-march=$cpu"

  3834.         ;;

  3835.         uc3[ab]*)

  3836.             subarch="avr32_uc"

  3837.             cpuflags="-mcpu=$cpu"

  3838.         ;;

  3839.         uc)

  3840.             subarch="avr32_uc"

  3841.             cpuflags="-march=$cpu"

  3842.         ;;

  3843.     esac

  3844. 

  3845. elif enabled bfin; then

  3846. 

  3847.     cpuflags="-mcpu=$cpu"

  3848. 

  3849. elif enabled mips; then

  3850. 

  3851.     cpuflags="-march=$cpu"

  3852. 

  3853.     case $cpu in

  3854.         24kc)

  3855.             disable mips32r5

  3856.             disable mips64r6

  3857.             disable mipsfpu

  3858.             disable mipsdspr1

  3859.             disable mipsdspr2

  3860.             disable msa

  3861.         ;;

  3862.         24kf*)

  3863.             disable mips32r5

  3864.             disable mips64r6

  3865.             disable mipsdspr1

  3866.             disable mipsdspr2

  3867.             disable msa

  3868.         ;;

  3869.         24kec|34kc|1004kc)

  3870.             disable mips32r5

  3871.             disable mips64r6

  3872.             disable mipsfpu

  3873.             disable mipsdspr2

  3874.             disable msa

  3875.         ;;

  3876.         24kef*|34kf*|1004kf*)

  3877.             disable mips32r5

  3878.             disable mips64r6

  3879.             disable mipsdspr2

  3880.             disable msa

  3881.         ;;

  3882.         74kc)

  3883.             disable mips32r5

  3884.             disable mips64r6

  3885.             disable mipsfpu

  3886.             disable msa

  3887.         ;;

  3888.         74kf)

  3889.             disable mips32r5

  3890.             disable mips64r6

  3891.             disable msa

  3892.         ;;

  3893.         p5600)

  3894.             disable mips64r6

  3895.             disable mipsdspr1

  3896.             disable mipsdspr2

  3897. 

  3898.             check_cflags "-mtune=p5600"

  3899.         ;;

  3900.         i6400)

  3901.             disable mips32r5

  3902.             disable mipsdspr1

  3903.             disable mipsdspr2

  3904.             disable mipsfpu

  3905. 

  3906.             check_cflags "-mtune=i6400 -mabi=64"

  3907.             check_ldflags "-mabi=64"

  3908.         ;;

  3909.         generic)

  3910.             disable mips32r5

  3911.             disable mips64r6

  3912.             disable msa

  3913.         ;;

  3914.     esac

  3915. 

  3916. elif enabled ppc; then

  3917. 

  3918.     disable ldbrx

  3919.     disable vsx

  3920. 

  3921.     case $(tolower $cpu) in

  3922.         601|ppc601|powerpc601)

  3923.             cpuflags="-mcpu=601"

  3924.             disable altivec

  3925.         ;;

  3926.         603*|ppc603*|powerpc603*)

  3927.             cpuflags="-mcpu=603"

  3928.             disable altivec

  3929.         ;;

  3930.         604*|ppc604*|powerpc604*)

  3931.             cpuflags="-mcpu=604"

  3932.             disable altivec

  3933.         ;;

  3934.         g3|75*|ppc75*|powerpc75*)

  3935.             cpuflags="-mcpu=750"

  3936.             disable altivec

  3937.         ;;

  3938.         g4|745*|ppc745*|powerpc745*)

  3939.             cpuflags="-mcpu=7450"

  3940.         ;;

  3941.         74*|ppc74*|powerpc74*)

  3942.             cpuflags="-mcpu=7400"

  3943.         ;;

  3944.         g5|970|ppc970|powerpc970)

  3945.             cpuflags="-mcpu=970"

  3946.         ;;

  3947.         power[3-8]*)

  3948.             cpuflags="-mcpu=$cpu"

  3949.         ;;

  3950.         cell)

  3951.             cpuflags="-mcpu=cell"

  3952.             enable ldbrx

  3953.         ;;

  3954.         e500mc)

  3955.             cpuflags="-mcpu=e500mc"

  3956.             disable altivec

  3957.         ;;

  3958.         e500v2)

  3959.             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"

  3960.             disable altivec

  3961.             disable dcbzl

  3962.         ;;

  3963.         e500)

  3964.             cpuflags="-mcpu=8540 -mhard-float"

  3965.             disable altivec

  3966.             disable dcbzl

  3967.         ;;

  3968.     esac

  3969. 

  3970. elif enabled sparc; then

  3971. 

  3972.     case $cpu in

  3973.         cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])

  3974.             cpuflags="-mcpu=$cpu"

  3975.         ;;

  3976.         ultrasparc*|niagara[234])

  3977.             cpuflags="-mcpu=$cpu"

  3978.         ;;

  3979.     esac

  3980. 

  3981. elif enabled x86; then

  3982. 

  3983.     case $cpu in

  3984.         i[345]86|pentium)

  3985.             cpuflags="-march=$cpu"

  3986.             disable i686

  3987.             disable mmx

  3988.         ;;

  3989.         # targets that do NOT support nopl and conditional mov (cmov)

  3990.         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)

  3991.             cpuflags="-march=$cpu"

  3992.             disable i686

  3993.         ;;

  3994.         # targets that do support nopl and conditional mov (cmov)

  3995.         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\

  3996.         |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)

  3997.             cpuflags="-march=$cpu"

  3998.             enable i686

  3999.             enable fast_cmov

  4000.         ;;

  4001.         # targets that do support conditional mov but on which it's slow

  4002.         pentium4|pentium4m|prescott|nocona)

  4003.             cpuflags="-march=$cpu"

  4004.             enable i686

  4005.             disable fast_cmov

  4006.         ;;

  4007.     esac

  4008. 

  4009. fi

  4010. 

  4011. if [ "$cpu" != generic ]; then

  4012.     add_cflags  $cpuflags

  4013.     add_asflags $cpuflags

  4014. fi

  4015. 

  4016. # compiler sanity check

  4017. check_exec <<EOF

  4018. int main(void){ return 0; }

  4019. EOF

  4020. if test "$?" != 0; then

  4021.     echo "$cc is unable to create an executable file."

  4022.     if test -z "$cross_prefix" && ! enabled cross_compile ; then

  4023.         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."

  4024.         echo "Only do this if you know what cross compiling means."

  4025.     fi

  4026.     die "C compiler test failed."

  4027. fi

  4028. 

  4029. add_cppflags -D_ISOC99_SOURCE

  4030. add_cxxflags -D__STDC_CONSTANT_MACROS

  4031. check_cflags -std=c99

  4032. check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64

  4033. #include <stdlib.h>

  4034. EOF

  4035. check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE

  4036. #include <stdlib.h>

  4037. EOF

  4038. 

  4039. add_host_cppflags -D_ISOC99_SOURCE

  4040. check_host_cflags -std=c99

  4041. check_host_cflags -Wall

  4042. check_host_cflags -O3

  4043. 

  4044. check_64bit(){

  4045.     arch32=$1

  4046.     arch64=$2

  4047.     expr=$3

  4048.     check_code cc "" "int test[2*($expr) - 1]" &&

  4049.         subarch=$arch64 || subarch=$arch32

  4050. }

  4051. 

  4052. case "$arch" in

  4053.     aarch64|alpha|ia64)

  4054.         spic=$shared

  4055.     ;;

  4056.     mips)

  4057.         check_64bit mips mips64 '_MIPS_SIM > 1'

  4058.         spic=$shared

  4059.     ;;

  4060.     parisc)

  4061.         check_64bit parisc parisc64 'sizeof(void *) > 4'

  4062.         spic=$shared

  4063.     ;;

  4064.     ppc)

  4065.         check_64bit ppc ppc64 'sizeof(void *) > 4'

  4066.         spic=$shared

  4067.     ;;

  4068.     s390)

  4069.         check_64bit s390 s390x 'sizeof(void *) > 4'

  4070.         spic=$shared

  4071.     ;;

  4072.     sparc)

  4073.         check_64bit sparc sparc64 'sizeof(void *) > 4'

  4074.         spic=$shared

  4075.     ;;

  4076.     x86)

  4077.         check_64bit x86_32 x86_64 'sizeof(void *) > 4'

  4078.         # Treat x32 as x64 for now. Note it also needs spic=$shared

  4079.         test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&

  4080.             subarch=x86_64

  4081.         if test "$subarch" = "x86_64"; then

  4082.             spic=$shared

  4083.         fi

  4084.     ;;

  4085.     ppc)

  4086.         check_cc <<EOF && subarch="ppc64"

  4087.         int test[(int)sizeof(char*) - 7];

  4088. EOF

  4089.     ;;

  4090. esac

  4091. 

  4092. enable $subarch

  4093. enabled spic && enable_weak pic

  4094. 

  4095. # OS specific

  4096. case $target_os in

  4097.     aix)

  4098.         SHFLAGS=-shared

  4099.         add_cppflags '-I\$(SRC_PATH)/compat/aix'

  4100.         enabled shared && add_ldflags -Wl,-brtl

  4101.         ;;

  4102.     android)

  4103.         disable symver

  4104.         enable section_data_rel_ro

  4105.         SLIB_INSTALL_NAME='$(SLIBNAME)'

  4106.         SLIB_INSTALL_LINKS=

  4107.         # soname not set on purpose

  4108.         SHFLAGS=-shared

  4109.         ;;

  4110.     haiku)

  4111.         prefix_default="/boot/common"

  4112.         network_extralibs="-lnetwork"

  4113.         host_libs=

  4114.         ;;

  4115.     sunos)

  4116.         SHFLAGS='-shared -Wl,-h,$$(@F)'

  4117.         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"

  4118.         network_extralibs="-lsocket -lnsl"

  4119.         add_cppflags -D__EXTENSIONS__

  4120.         # When using suncc to build, the Solaris linker will mark

  4121.         # an executable with each instruction set encountered by

  4122.         # the Solaris assembler.  As our libraries contain their own

  4123.         # guards for processor-specific code, instead suppress

  4124.         # generation of the HWCAPS ELF section on Solaris x86 only.

  4125.         enabled_all suncc x86 &&

  4126.             echo "hwcap_1 = OVERRIDE;" > mapfile &&

  4127.             add_ldflags -Wl,-M,mapfile

  4128.         nm_default='nm -P -g'

  4129.         ;;

  4130.     netbsd)

  4131.         disable symver

  4132.         oss_indev_extralibs="-lossaudio"

  4133.         oss_outdev_extralibs="-lossaudio"

  4134.         enabled gcc || check_ldflags -Wl,-zmuldefs

  4135.         ;;

  4136.     openbsd|bitrig)

  4137.         disable symver

  4138.         SHFLAGS='-shared'

  4139.         SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'

  4140.         SLIB_INSTALL_LINKS=

  4141.         oss_indev_extralibs="-lossaudio"

  4142.         oss_outdev_extralibs="-lossaudio"

  4143.         ;;

  4144.     dragonfly)

  4145.         disable symver

  4146.         ;;

  4147.     freebsd)

  4148.         ;;

  4149.     bsd/os)

  4150.         add_extralibs -lpoll -lgnugetopt

  4151.         strip="strip -d"

  4152.         ;;

  4153.     darwin)

  4154.         enabled ppc && add_asflags -force_cpusubtype_ALL

  4155.         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'

  4156.         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress

  4157.         strip="${strip} -x"

  4158.         add_ldflags -Wl,-dynamic,-search_paths_first

  4159.         SLIBSUF=".dylib"

  4160.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'

  4161.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'

  4162.         objformat="macho"

  4163.         enabled x86_64 && objformat="macho64"

  4164.         enabled_any pic shared x86_64 ||

  4165.             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }

  4166.         ;;

  4167.     mingw32*)

  4168.         if test $target_os = "mingw32ce"; then

  4169.             disable network

  4170.         else

  4171.             target_os=mingw32

  4172.         fi

  4173.         LIBTARGET=i386

  4174.         if enabled x86_64; then

  4175.             LIBTARGET="i386:x86-64"

  4176.         elif enabled arm; then

  4177.             LIBTARGET=arm-wince

  4178.         fi

  4179.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4180.         check_ldflags -Wl,--nxcompat

  4181.         check_ldflags -Wl,--dynamicbase

  4182.         enabled x86_32 && check_ldflags -Wl,--large-address-aware

  4183.         shlibdir_default="$bindir_default"

  4184.         SLIBPREF=""

  4185.         SLIBSUF=".dll"

  4186.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4187.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4188.         dlltool="${cross_prefix}dlltool"

  4189.         if check_cmd lib.exe -list; then

  4190.             SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4191.             if enabled x86_64; then

  4192.                 LIBTARGET=x64

  4193.             fi

  4194.         elif check_cmd $dlltool --version; then

  4195.             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)'

  4196.         fi

  4197.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4198.         SLIB_INSTALL_LINKS=

  4199.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4200.         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4201.         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'

  4202.         objformat="win32"

  4203.         ranlib=:

  4204.         enable dos_paths

  4205.         ;;

  4206.     win32|win64)

  4207.         disable symver

  4208.         if enabled shared; then

  4209.             # Link to the import library instead of the normal static library

  4210.             # for shared libs.

  4211.             LD_LIB='%.lib'

  4212.             # Cannot build both shared and static libs with MSVC or icl.

  4213.             disable static

  4214.         fi

  4215.         enabled x86_32 && check_ldflags -LARGEADDRESSAWARE

  4216.         shlibdir_default="$bindir_default"

  4217.         SLIBPREF=""

  4218.         SLIBSUF=".dll"

  4219.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4220.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4221.         SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'

  4222.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4223.         SLIB_INSTALL_LINKS=

  4224.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4225.         SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4226.         SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4227.         objformat="win32"

  4228.         ranlib=:

  4229.         enable dos_paths

  4230.         ;;

  4231.     cygwin*)

  4232.         target_os=cygwin

  4233.         shlibdir_default="$bindir_default"

  4234.         SLIBPREF="cyg"

  4235.         SLIBSUF=".dll"

  4236.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4237.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4238.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4239.         SLIB_INSTALL_LINKS=

  4240.         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'

  4241.         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'

  4242.         objformat="win32"

  4243.         enable dos_paths

  4244.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4245.         ;;

  4246.     *-dos|freedos|opendos)

  4247.         network_extralibs="-lsocket"

  4248.         objformat="coff"

  4249.         enable dos_paths

  4250.         add_cppflags -U__STRICT_ANSI__

  4251.         ;;

  4252.     linux)

  4253.         enable dv1394

  4254.         enable section_data_rel_ro

  4255.         ;;

  4256.     irix*)

  4257.         target_os=irix

  4258.         ranlib="echo ignoring ranlib"

  4259.         ;;

  4260.     os/2*)

  4261.         strip="lxlite -CS"

  4262.         ln_s="cp -f"

  4263.         objformat="aout"

  4264.         add_cppflags -D_GNU_SOURCE

  4265.         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap

  4266.         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'

  4267.         LIBSUF="_s.a"

  4268.         SLIBPREF=""

  4269.         SLIBSUF=".dll"

  4270.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'

  4271.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'

  4272.         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \

  4273.             echo PROTMODE >> $(SUBDIR)$(NAME).def; \

  4274.             echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \

  4275.             echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \

  4276.             echo EXPORTS >> $(SUBDIR)$(NAME).def; \

  4277.             emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'

  4278.         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \

  4279.             emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'

  4280.         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'

  4281.         enable dos_paths

  4282.         enable_weak os2threads

  4283.         ;;

  4284.     gnu/kfreebsd)

  4285.         add_cppflags -D_BSD_SOURCE

  4286.         ;;

  4287.     gnu)

  4288.         ;;

  4289.     qnx)

  4290.         add_cppflags -D_QNX_SOURCE

  4291.         network_extralibs="-lsocket"

  4292.         ;;

  4293.     symbian)

  4294.         SLIBSUF=".dll"

  4295.         enable dos_paths

  4296.         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default

  4297.         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS

  4298.         add_ldflags -Wl,--target1-abs,--no-undefined \

  4299.                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \

  4300.                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup

  4301.         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \

  4302.                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \

  4303.                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib

  4304.         ;;

  4305.     osf1)

  4306.         add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT

  4307.         ;;

  4308.     minix)

  4309.         ;;

  4310.     plan9)

  4311.         add_cppflags -D_C99_SNPRINTF_EXTENSION  \

  4312.                      -D_REENTRANT_SOURCE        \

  4313.                      -D_RESEARCH_SOURCE         \

  4314.                      -DFD_SETSIZE=96            \

  4315.                      -DHAVE_SOCK_OPTS

  4316.         add_compat strtod.o strtod=avpriv_strtod

  4317.         network_extralibs='-lbsd'

  4318.         exeobjs=compat/plan9/main.o

  4319.         disable ffserver

  4320.         cp_f='cp'

  4321.         ;;

  4322.     none)

  4323.         ;;

  4324.     *)

  4325.         die "Unknown OS '$target_os'."

  4326.         ;;

  4327. esac

  4328. 

  4329. # determine libc flavour

  4330. 

  4331. probe_libc(){

  4332.     pfx=$1

  4333.     pfx_no_=${pfx%_}

  4334.     # uclibc defines __GLIBC__, so it needs to be checked before glibc.

  4335.     if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then

  4336.         eval ${pfx}libc_type=uclibc

  4337.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4338.     elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then

  4339.         eval ${pfx}libc_type=glibc

  4340.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4341.     # MinGW headers can be installed on Cygwin, so check for newlib first.

  4342.     elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then

  4343.         eval ${pfx}libc_type=newlib

  4344.         add_${pfx}cppflags -U__STRICT_ANSI__

  4345.     # MinGW64 is backwards compatible with MinGW32, so check for it first.

  4346.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then

  4347.         eval ${pfx}libc_type=mingw64

  4348.         if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then

  4349.             add_compat msvcrt/snprintf.o

  4350.             add_cflags "-include $source_path/compat/msvcrt/snprintf.h"

  4351.         fi

  4352.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4353.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4354.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4355.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION"  ||

  4356.          check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then

  4357.         eval ${pfx}libc_type=mingw32

  4358.         check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \

  4359.             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||

  4360.             die "ERROR: MinGW32 runtime version must be >= 3.15."

  4361.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4362.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4363.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4364.     elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then

  4365.         eval ${pfx}libc_type=msvcrt

  4366.         # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to

  4367.         # 0x601 by default unless something else is set by the user.

  4368.         # This can easily lead to us detecting functions only present

  4369.         # in such new versions and producing binaries requiring windows 7.0.

  4370.         # Therefore explicitly set the default to XP unless the user has

  4371.         # set something else on the command line.

  4372.         check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||

  4373.             add_${pfx}cppflags -D_WIN32_WINNT=0x0502

  4374.     elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then

  4375.         eval ${pfx}libc_type=klibc

  4376.     elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then

  4377.         eval ${pfx}libc_type=bionic

  4378.     elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then

  4379.         eval ${pfx}libc_type=solaris

  4380.         add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600

  4381.     fi

  4382.     check_${pfx}cc <<EOF

  4383. #include <time.h>

  4384. void *v = localtime_r;

  4385. EOF

  4386. 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

  4387. #include <time.h>

  4388. void *v = localtime_r;

  4389. EOF

  4390. 

  4391. }

  4392. 

  4393. probe_libc

  4394. test -n "$libc_type" && enable libc_$libc_type

  4395. probe_libc host_

  4396. test -n "$host_libc_type" && enable host_libc_$host_libc_type

  4397. 

  4398. case $libc_type in

  4399.     bionic)

  4400.         add_compat strtod.o strtod=avpriv_strtod

  4401.         ;;

  4402.     msvcrt)

  4403.         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -le 18 ]; then

  4404.             add_compat strtod.o strtod=avpriv_strtod

  4405.             add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf   \

  4406.                                          _snprintf=avpriv_snprintf  \

  4407.                                          vsnprintf=avpriv_vsnprintf

  4408.         fi

  4409.         ;;

  4410. esac

  4411. 

  4412. # hacks for compiler/libc/os combinations

  4413. 

  4414. if enabled_all tms470 libc_glibc; then

  4415.     CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"

  4416.     add_cppflags -D__USER_LABEL_PREFIX__=

  4417.     add_cppflags -D__builtin_memset=memset

  4418.     add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED

  4419.     add_cflags   -pds=48    # incompatible redefinition of macro

  4420. fi

  4421. 

  4422. if enabled_all ccc libc_glibc; then

  4423.     add_ldflags -Wl,-z,now  # calls to libots crash without this

  4424. fi

  4425. 

  4426. check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||

  4427.     add_cppflags '-I\$(SRC_PATH)/compat/float'

  4428. 

  4429. esc(){

  4430.     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'

  4431. }

  4432. 

  4433. echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate

  4434. 

  4435. check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic

  4436. 

  4437. set_default libdir

  4438. : ${shlibdir_default:="$libdir"}

  4439. 

  4440. set_default $PATHS_LIST

  4441. set_default nm

  4442. 

  4443. # we need to build at least one lib type

  4444. if ! enabled_any static shared; then

  4445.     cat <<EOF

  4446. At least one library type must be built.

  4447. Specify --enable-static to build the static libraries or --enable-shared to

  4448. build the shared libraries as well. To only build the shared libraries specify

  4449. --disable-static in addition to --enable-shared.

  4450. EOF

  4451.     exit 1;

  4452. fi

  4453. 

  4454. die_license_disabled() {

  4455.     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }

  4456. }

  4457. 

  4458. die_license_disabled_gpl() {

  4459.     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }

  4460. }

  4461. 

  4462. die_license_disabled gpl frei0r

  4463. die_license_disabled gpl libcdio

  4464. die_license_disabled gpl libsmbclient

  4465. die_license_disabled gpl libutvideo

  4466. die_license_disabled gpl libvidstab

  4467. die_license_disabled gpl libx264

  4468. die_license_disabled gpl libx265

  4469. die_license_disabled gpl libxavs

  4470. die_license_disabled gpl libxvid

  4471. die_license_disabled gpl libzvbi

  4472. die_license_disabled gpl x11grab

  4473. 

  4474. die_license_disabled nonfree libaacplus

  4475. die_license_disabled nonfree libfaac

  4476. die_license_disabled nonfree nvenc

  4477. enabled gpl && die_license_disabled_gpl nonfree libfdk_aac

  4478. enabled gpl && die_license_disabled_gpl nonfree openssl

  4479. 

  4480. die_license_disabled version3 libopencore_amrnb

  4481. die_license_disabled version3 libopencore_amrwb

  4482. die_license_disabled version3 libsmbclient

  4483. die_license_disabled version3 libvo_aacenc

  4484. die_license_disabled version3 libvo_amrwbenc

  4485. 

  4486. enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }

  4487. 

  4488. disabled optimizations || check_cflags -fomit-frame-pointer

  4489. 

  4490. enable_weak_pic() {

  4491.     disabled pic && return

  4492.     enable pic

  4493.     add_cppflags -DPIC

  4494.     case "$target_os" in

  4495.     mingw*|cygwin*)

  4496.         ;;

  4497.     *)

  4498.         add_cflags -fPIC

  4499.         ;;

  4500.     esac

  4501.     add_asflags  -fPIC

  4502. }

  4503. 

  4504. enabled pic && enable_weak_pic

  4505. 

  4506. check_cc <<EOF || die "Symbol mangling check failed."

  4507. int ff_extern;

  4508. EOF

  4509. sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')

  4510. extern_prefix=${sym%%ff_extern*}

  4511. 

  4512. check_cc <<EOF && enable_weak inline_asm

  4513. void foo(void) { __asm__ volatile ("" ::); }

  4514. EOF

  4515. 

  4516. _restrict=

  4517. for restrict_keyword in restrict __restrict__ __restrict; do

  4518.     check_cc <<EOF && _restrict=$restrict_keyword && break

  4519. void foo(char * $restrict_keyword p);

  4520. EOF

  4521. done

  4522. 

  4523. check_cc <<EOF && enable pragma_deprecated

  4524. void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }

  4525. EOF

  4526. 

  4527. check_cc <<EOF && enable attribute_packed

  4528. struct { int x; } __attribute__((packed)) x;

  4529. EOF

  4530. 

  4531. check_cc <<EOF && enable attribute_may_alias

  4532. union { int x; } __attribute__((may_alias)) x;

  4533. EOF

  4534. 

  4535. check_cc <<EOF || die "endian test failed"

  4536. unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';

  4537. EOF

  4538. od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian

  4539. 

  4540. if  [ "$cpu" = "power7" ] || [ "$cpu" = "power8" ] || enabled ppc64; then

  4541.     if ! enabled bigendian && enabled altivec ;then

  4542.         enable vsx

  4543.     fi

  4544. fi

  4545. 

  4546. check_gas() {

  4547.     log "check_gas using '$as' as AS"

  4548.     # :vararg is used on aarch64, arm and ppc altivec

  4549.     check_as <<EOF || return 1

  4550. .macro m n, y:vararg=0

  4551. \n: .int \y

  4552. .endm

  4553. m x

  4554. EOF

  4555.     # .altmacro is only used in arm asm

  4556.     ! enabled arm || check_as <<EOF || return 1

  4557. .altmacro

  4558. EOF

  4559.     enable gnu_as

  4560.     return 0

  4561. }

  4562. 

  4563. if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then

  4564.     nogas=:

  4565.     enabled_any arm aarch64 && nogas=die

  4566.     enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn

  4567.     as_noop=-v

  4568. 

  4569.     case $as_type in

  4570.         arm*) gaspp_as_type=armasm; as_noop=-h ;;

  4571.         gcc)  gaspp_as_type=gas ;;

  4572.         *)    gaspp_as_type=$as_type ;;

  4573.     esac

  4574. 

  4575.     [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"

  4576. 

  4577.     test "${as#*gas-preprocessor.pl}" != "$as" ||

  4578.     check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&

  4579.         gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"

  4580. 

  4581.     if ! check_gas ; then

  4582.         as=${gas:=$as}

  4583.         check_gas || \

  4584.             $nogas "GNU assembler not found, install/update gas-preprocessor"

  4585.     fi

  4586. 

  4587.     check_as <<EOF && enable as_func

  4588. .func test

  4589. .endfunc

  4590. EOF

  4591. fi

  4592. 

  4593. check_inline_asm inline_asm_labels '"1:\n"'

  4594. 

  4595. check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'

  4596. 

  4597. if enabled aarch64; then

  4598.     enabled armv8 && check_insn armv8 'prfm   pldl1strm, [x0]'

  4599.     # internal assembler in clang 3.3 does not support this instruction

  4600.     enabled neon && check_insn neon 'ext   v0.8B, v0.8B, v1.8B, #1'

  4601.     enabled vfp  && check_insn vfp  'fmadd d0,    d0,    d1,    d2'

  4602. 

  4603.     map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM

  4604. 

  4605. elif enabled alpha; then

  4606. 

  4607.     check_cflags -mieee

  4608. 

  4609. elif enabled arm; then

  4610. 

  4611.     check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb

  4612. float func(float a, float b){ return a+b; }

  4613. EOF

  4614. 

  4615.     enabled thumb && check_cflags -mthumb || check_cflags -marm

  4616. 

  4617.     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then

  4618.         enable vfp_args

  4619.     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then

  4620.         case "${cross_prefix:-$cc}" in

  4621.             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;

  4622.             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;

  4623. __asm__ (".eabi_attribute 28, 1");

  4624. int main(void) { return 0; }

  4625. EOF

  4626.         esac

  4627.         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."

  4628.     fi

  4629. 

  4630.     enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'

  4631.     enabled armv6   && check_insn armv6   'sadd16 r0, r0, r0'

  4632.     enabled armv6t2 && check_insn armv6t2 'movt r0, #0'

  4633.     enabled neon    && check_insn neon    'vadd.i16 q0, q0, q0'

  4634.     enabled vfp     && check_insn vfp     'fadds s0, s0, s0'

  4635.     enabled vfpv3   && check_insn vfpv3   'vmov.f32 s0, #1.0'

  4636.     enabled setend  && check_insn setend  'setend be'

  4637. 

  4638.     [ $target_os = linux ] || [ $target_os = android ] ||

  4639.         map 'enabled_any ${v}_external ${v}_inline || disable $v' \

  4640.             $ARCH_EXT_LIST_ARM

  4641. 

  4642.     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'

  4643. 

  4644.     check_as <<EOF && enable as_dn_directive

  4645. ra .dn d0.i16

  4646. .unreq ra

  4647. EOF

  4648. 

  4649.     # llvm's integrated assembler supports .object_arch from llvm 3.5

  4650.     [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch

  4651. .object_arch armv4

  4652. EOF

  4653. 

  4654.     [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic

  4655. 

  4656. elif enabled mips; then

  4657. 

  4658.     check_inline_asm loongson '"dmult.g $1, $2, $3"'

  4659. 

  4660.     # Enable minimum ISA based on selected options

  4661.     if enabled mips64 && (enabled mipsdspr1 || enabled mipsdspr2); then

  4662.         add_cflags "-mips64r2"

  4663.         add_asflags "-mips64r2"

  4664.     elif enabled mips64 && enabled mipsfpu; then

  4665.         add_cflags "-mips64"

  4666.         add_asflags "-mips64"

  4667.     elif enabled mipsdspr1 || enabled mipsdspr2; then

  4668.         add_cflags "-mips32r2 -mfp32"

  4669.         add_asflags "-mips32r2 -mfp32"

  4670.     elif enabled mips32r5 || enabled mips64r6; then

  4671.         check_cflags "-mfp64"

  4672.         check_ldflags "-mfp64"

  4673.     fi

  4674. 

  4675.     enabled mips32r5  && check_cflags "-mips32r5 -msched-weight -mload-store-pairs -funroll-loops" &&

  4676.      check_ldflags "-mips32r5" &&

  4677.      check_inline_asm mips32r5  '"ulw $t0, ($t1)"'

  4678.     enabled mips64r6  && check_cflags "-mips64r6 -msched-weight -mload-store-pairs -funroll-loops" &&

  4679.      check_ldflags "-mips64r6" &&

  4680.      check_inline_asm mips64r6  '"aui $t0, $t1, 1"'

  4681.     enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&

  4682.      check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'

  4683.     enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&

  4684.      check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'

  4685.     enabled mipsfpu   && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&

  4686.      check_inline_asm mipsfpu   '"madd.d $f0, $f2, $f4, $f6"'

  4687.     enabled msa       && check_cflags "-mmsa" && check_ldflags "-mmsa" &&

  4688.      check_inline_asm msa       '"addvi.b $w0, $w1, 1"'

  4689. 

  4690.     enabled mips32r5 && add_asflags "-mips32r5 -mfp64"

  4691.     enabled mips64r6 && add_asflags "-mips64r6 -mfp64"

  4692.     enabled msa && add_asflags "-mmsa"

  4693. 

  4694. elif enabled parisc; then

  4695. 

  4696.     if enabled gcc; then

  4697.         case $($cc -dumpversion) in

  4698.             4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;

  4699.         esac

  4700.     fi

  4701. 

  4702. elif enabled ppc; then

  4703. 

  4704.     enable local_aligned_8 local_aligned_16 local_aligned_32

  4705. 

  4706.     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'

  4707.     check_inline_asm ibm_asm   '"add 0, 0, 0"'

  4708.     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'

  4709.     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'

  4710. 

  4711.     # AltiVec flags: The FSF version of GCC differs from the Apple version

  4712.     if enabled altivec; then

  4713.         check_cflags -maltivec -mabi=altivec &&

  4714.         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||

  4715.         check_cflags -faltivec

  4716. 

  4717.         # check if our compiler supports Motorola AltiVec C API

  4718.         check_cc <<EOF || disable altivec

  4719. $inc_altivec_h

  4720. int main(void) {

  4721.     vector signed int v1 = (vector signed int) { 0 };

  4722.     vector signed int v2 = (vector signed int) { 1 };

  4723.     v1 = vec_add(v1, v2);

  4724.     return 0;

  4725. }

  4726. EOF

  4727. 

  4728.         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"

  4729.     fi

  4730. 

  4731.     if enabled vsx; then

  4732.         check_cflags -mvsx

  4733.     fi

  4734. elif enabled x86; then

  4735. 

  4736.     check_builtin rdtsc    intrin.h   "__rdtsc()"

  4737.     check_builtin mm_empty mmintrin.h "_mm_empty()"

  4738. 

  4739.     enable local_aligned_8 local_aligned_16 local_aligned_32

  4740. 

  4741.     # check whether EBP is available on x86

  4742.     # As 'i' is stored on the stack, this program will crash

  4743.     # if the base pointer is used to access it because the

  4744.     # base pointer is cleared in the inline assembly code.

  4745.     check_exec_crash <<EOF && enable ebp_available

  4746. volatile int i=0;

  4747. __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");

  4748. return i;

  4749. EOF

  4750. 

  4751.     # check whether EBX is available on x86

  4752.     check_inline_asm ebx_available '""::"b"(0)' &&

  4753.         check_inline_asm ebx_available '"":::"%ebx"'

  4754. 

  4755.     # check whether xmm clobbers are supported

  4756.     check_inline_asm xmm_clobbers '"":::"%xmm0"'

  4757. 

  4758.     check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||

  4759.         check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'

  4760. 

  4761.     # check whether binutils is new enough to compile SSSE3/MMXEXT

  4762.     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'

  4763.     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'

  4764. 

  4765.     if ! disabled_any asm mmx yasm; then

  4766.         if check_cmd $yasmexe --version; then

  4767.             enabled x86_64 && yasm_extra="-m amd64"

  4768.             yasm_debug="-g dwarf2"

  4769.         elif check_cmd nasm -v; then

  4770.             yasmexe=nasm

  4771.             yasm_debug="-g -F dwarf"

  4772.             if enabled x86_64; then

  4773.                 case "$objformat" in

  4774.                     elf)   objformat=elf64 ;;

  4775.                     win32) objformat=win64 ;;

  4776.                 esac

  4777.             fi

  4778.         fi

  4779. 

  4780.         YASMFLAGS="-f $objformat $yasm_extra"

  4781.         enabled pic               && append YASMFLAGS "-DPIC"

  4782.         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"

  4783.         case "$objformat" in

  4784.             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;

  4785.         esac

  4786. 

  4787.         check_yasm "movbe ecx, [5]" && enable yasm ||

  4788.             die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."

  4789.         check_yasm "vextracti128 xmm0, ymm0, 0"      || disable avx2_external

  4790.         check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external

  4791.         check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external

  4792.         check_yasm "CPU amdnop" || disable cpunop

  4793.     fi

  4794. 

  4795.     case "$cpu" in

  4796.         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)

  4797.             disable fast_clz

  4798.         ;;

  4799.     esac

  4800. 

  4801. fi

  4802. 

  4803. check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon

  4804. 

  4805. check_ldflags -Wl,--as-needed

  4806. check_ldflags -Wl,-z,noexecstack

  4807. 

  4808. if check_func dlopen; then

  4809.     ldl=

  4810. elif check_func dlopen -ldl; then

  4811.     ldl=-ldl

  4812. fi

  4813. 

  4814. frei0r_filter_extralibs='$ldl'

  4815. frei0r_src_filter_extralibs='$ldl'

  4816. ladspa_filter_extralibs='$ldl'

  4817. nvenc_encoder_extralibs='$ldl'

  4818. 

  4819. if ! disabled network; then

  4820.     check_func getaddrinfo $network_extralibs

  4821.     check_func getservbyport $network_extralibs

  4822.     check_func inet_aton $network_extralibs

  4823. 

  4824.     check_type netdb.h "struct addrinfo"

  4825.     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE

  4826.     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE

  4827.     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE

  4828.     check_type poll.h "struct pollfd"

  4829.     check_type netinet/sctp.h "struct sctp_event_subscribe"

  4830.     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len

  4831.     check_type netinet/in.h "struct sockaddr_in6"

  4832.     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"

  4833.     check_type "sys/types.h sys/socket.h" socklen_t

  4834. 

  4835.     # Prefer arpa/inet.h over winsock2

  4836.     if check_header arpa/inet.h ; then

  4837.         check_func closesocket

  4838.     elif check_header winsock2.h ; then

  4839.         check_func_headers winsock2.h closesocket -lws2 &&

  4840.             network_extralibs="-lws2" ||

  4841.         { check_func_headers winsock2.h closesocket -lws2_32 &&

  4842.             network_extralibs="-lws2_32"; } || disable winsock2_h network

  4843.         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs

  4844. 

  4845.         check_type ws2tcpip.h socklen_t

  4846.         check_type ws2tcpip.h "struct addrinfo"

  4847.         check_type ws2tcpip.h "struct group_source_req"

  4848.         check_type ws2tcpip.h "struct ip_mreq_source"

  4849.         check_type ws2tcpip.h "struct ipv6_mreq"

  4850.         check_type winsock2.h "struct pollfd"

  4851.         check_struct winsock2.h "struct sockaddr" sa_len

  4852.         check_type ws2tcpip.h "struct sockaddr_in6"

  4853.         check_type ws2tcpip.h "struct sockaddr_storage"

  4854.     else

  4855.         disable network

  4856.     fi

  4857. fi

  4858. 

  4859. check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"

  4860. check_builtin atomic_compare_exchange "" "int *ptr, *oldval; int newval; __atomic_compare_exchange_n(ptr, oldval, newval, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)"

  4861. check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"

  4862. check_builtin MemoryBarrier windows.h "MemoryBarrier()"

  4863. check_builtin sarestart signal.h "SA_RESTART"

  4864. check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"

  4865. 

  4866. check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc

  4867. check_func  ${malloc_prefix}memalign            && enable memalign

  4868. check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign

  4869. 

  4870. check_func  access

  4871. check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  4872. check_func  fcntl

  4873. check_func  fork

  4874. check_func  gethrtime

  4875. check_func  getopt

  4876. check_func  getrusage

  4877. check_func  gettimeofday

  4878. check_func  gmtime_r

  4879. check_func  isatty

  4880. check_func  localtime_r

  4881. check_func  mach_absolute_time

  4882. check_func  mkstemp

  4883. check_func  mmap

  4884. check_func  mprotect

  4885. # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that

  4886. check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  4887. check_func  sched_getaffinity

  4888. check_func  setrlimit

  4889. check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE

  4890. check_func  strerror_r

  4891. check_func  sysconf

  4892. check_func  sysctl

  4893. check_func  usleep

  4894. 

  4895. check_func_headers conio.h kbhit

  4896. check_func_headers io.h setmode

  4897. check_func_headers lzo/lzo1x.h lzo1x_999_compress

  4898. check_func_headers stdlib.h getenv

  4899. 

  4900. check_func_headers windows.h CoTaskMemFree -lole32

  4901. check_func_headers windows.h GetProcessAffinityMask

  4902. check_func_headers windows.h GetProcessTimes

  4903. check_func_headers windows.h GetSystemTimeAsFileTime

  4904. check_func_headers windows.h MapViewOfFile

  4905. check_func_headers windows.h PeekNamedPipe

  4906. check_func_headers windows.h SetConsoleTextAttribute

  4907. check_func_headers windows.h Sleep

  4908. check_func_headers windows.h VirtualAlloc

  4909. check_struct windows.h "CONDITION_VARIABLE" Ptr

  4910. check_func_headers glob.h glob

  4911. enabled xlib &&

  4912.     check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext

  4913. 

  4914. check_header direct.h

  4915. check_header dlfcn.h

  4916. check_header dxva.h

  4917. check_header dxva2api.h -D_WIN32_WINNT=0x0600

  4918. check_header io.h

  4919. check_header libcrystalhd/libcrystalhd_if.h

  4920. check_header mach/mach_time.h

  4921. check_header malloc.h

  4922. check_header net/udplite.h

  4923. check_header poll.h

  4924. check_header sys/mman.h

  4925. check_header sys/param.h

  4926. check_header sys/resource.h

  4927. check_header sys/select.h

  4928. check_header sys/time.h

  4929. check_header sys/un.h

  4930. check_header termios.h

  4931. check_header unistd.h

  4932. check_header vdpau/vdpau.h

  4933. check_header vdpau/vdpau_x11.h

  4934. check_header VideoDecodeAcceleration/VDADecoder.h

  4935. check_header windows.h

  4936. check_header X11/extensions/XvMClib.h

  4937. check_header asm/types.h

  4938. 

  4939. check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32

  4940. check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32

  4941. check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi

  4942. 

  4943. check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss

  4944. 

  4945. check_type "windows.h dxva.h" "DXVA_PicParams_HEVC"

  4946. 

  4947. if ! disabled w32threads && ! enabled pthreads; then

  4948.     check_func_headers "windows.h process.h" _beginthreadex &&

  4949.         enable w32threads || disable w32threads

  4950. fi

  4951. 

  4952. # check for some common methods of building with pthread support

  4953. # do this before the optional library checks as some of them require pthreads

  4954. if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then

  4955.     enable pthreads

  4956.     if check_func pthread_join -pthread && check_func pthread_create -pthread; then

  4957.         add_cflags -pthread

  4958.         add_extralibs -pthread

  4959.     elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then

  4960.         add_cflags -pthreads

  4961.         add_extralibs -pthreads

  4962.     elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then

  4963.         add_cflags -ldl -pthread

  4964.         add_extralibs -ldl -pthread

  4965.     elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then

  4966.         add_extralibs -lpthreadGC2

  4967.     elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then

  4968.         :

  4969.     elif ! check_func pthread_join && ! check_func pthread_create; then

  4970.         disable pthreads

  4971.     fi

  4972.     check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads

  4973. fi

  4974. 

  4975. 

  4976. if enabled pthreads; then

  4977.   check_func pthread_cancel

  4978. fi

  4979. 

  4980. disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib

  4981. disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib

  4982. disabled  lzma || check_lib2  lzma.h lzma_version_number -llzma || disable lzma

  4983. 

  4984. check_lib math.h sin -lm && LIBM="-lm"

  4985. disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd

  4986. 

  4987. atan2f_args=2

  4988. ldexpf_args=2

  4989. powf_args=2

  4990. 

  4991. for func in $MATH_FUNCS; do

  4992.     eval check_mathfunc $func \${${func}_args:-1}

  4993. done

  4994. 

  4995. # these are off by default, so fail if requested and not available

  4996. enabled avfoundation_indev && { check_header_oc AVFoundation/AVFoundation.h || disable avfoundation_indev; }

  4997. enabled avfoundation_indev && { check_lib2 CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||

  4998.                                 check_lib2 ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }

  4999. enabled avisynth          && { { check_lib2 "windows.h" LoadLibrary; } ||

  5000.                                { check_lib2 "dlfcn.h" dlopen -ldl; } ||

  5001.                                die "ERROR: LoadLibrary/dlopen not found for avisynth"; }

  5002. enabled decklink          && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }

  5003. enabled frei0r            && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }

  5004. enabled gnutls            && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init

  5005. enabled ladspa            && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }

  5006. enabled libiec61883       && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883

  5007. enabled libaacplus        && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus

  5008. enabled libass            && require_pkg_config libass ass/ass.h ass_library_init

  5009. enabled libbluray         && require_pkg_config libbluray libbluray/bluray.h bd_open

  5010. enabled libbs2b           && require_pkg_config libbs2b bs2b.h bs2b_open

  5011. enabled libcelt           && require libcelt celt/celt.h celt_decode -lcelt0 &&

  5012.                              { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||

  5013.                                die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }

  5014. enabled libcaca           && require_pkg_config caca caca.h caca_create_canvas

  5015. enabled libdcadec         && require libdcadec libdcadec/dca_context.h dcadec_context_create -ldcadec

  5016. enabled libfaac           && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac

  5017. enabled libfdk_aac        && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac

  5018. 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"

  5019. enabled libflite          && require2 libflite "flite/flite.h" flite_init $flite_libs

  5020. enabled fontconfig        && enable libfontconfig

  5021. enabled libfontconfig     && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit

  5022. enabled libfreetype       && require_libfreetype

  5023. enabled libfribidi        && require_pkg_config fribidi fribidi.h fribidi_version_info

  5024. enabled libgme            && require  libgme gme/gme.h gme_new_emu -lgme -lstdc++

  5025. enabled libgsm            && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do

  5026.                                    check_lib "${gsm_hdr}" gsm_create -lgsm && break;

  5027.                                done || die "ERROR: libgsm not found"; }

  5028. enabled libilbc           && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc

  5029. enabled libmfx            && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit

  5030. enabled libmodplug        && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load

  5031. enabled libmp3lame        && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame

  5032. enabled libnut            && require libnut libnut.h nut_demuxer_init -lnut

  5033. enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb

  5034. enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb

  5035. enabled libopencv         && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader

  5036. enabled libopenh264       && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion

  5037. enabled libopenjpeg       && { check_lib openjpeg.h opj_version -lopenmj2 -DOPJ_STATIC ||

  5038.                                check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  5039.                                check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  5040.                                die "ERROR: libopenjpeg not found"; }

  5041. enabled libopus           && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create

  5042. enabled libpulse          && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new

  5043. enabled libquvi           && require_pkg_config libquvi quvi/quvi.h quvi_init

  5044. enabled librtmp           && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket

  5045. enabled libschroedinger   && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init

  5046. enabled libshine          && require_pkg_config shine shine/layer3.h shine_encode_buffer

  5047. enabled libsmbclient      && { use_pkg_config smbclient libsmbclient.h smbc_init ||

  5048.                                require smbclient libsmbclient.h smbc_init -lsmbclient; }

  5049. enabled libsoxr           && require libsoxr soxr.h soxr_create -lsoxr

  5050. enabled libssh            && require_pkg_config libssh libssh/sftp.h sftp_init

  5051. enabled libspeex          && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex

  5052. enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h

  5053.     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h

  5054.     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static

  5055. enabled libtheora         && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg

  5056. enabled libtwolame        && require libtwolame twolame.h twolame_init -ltwolame &&

  5057.                              { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||

  5058.                                die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }

  5059. enabled libutvideo        && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++

  5060. enabled libv4l2           && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl

  5061. enabled libvidstab        && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit

  5062. enabled libvo_aacenc      && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc

  5063. enabled libvo_amrwbenc    && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc

  5064. enabled libvorbis         && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg

  5065. enabled libvpx            && {

  5066.     enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||

  5067.                                     die "ERROR: libvpx decoder version must be >=0.9.1"; }

  5068.     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 ||

  5069.                                     die "ERROR: libvpx encoder version must be >=0.9.7"; }

  5070.     enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }

  5071.     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; } }

  5072. enabled libwavpack        && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput  -lwavpack

  5073. enabled libwebp           && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion

  5074. enabled libx264           && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||

  5075.                                { require libx264 x264.h x264_encoder_encode -lx264 &&

  5076.                                  warn "using libx264 without pkg-config"; } } &&

  5077.                              { check_cpp_condition x264.h "X264_BUILD >= 118" ||

  5078.                                die "ERROR: libx264 must be installed and version must be >= 0.118."; }

  5079. enabled libx265           && require_pkg_config x265 x265.h x265_encoder_encode &&

  5080.                              { check_cpp_condition x265.h "X265_BUILD >= 17" ||

  5081.                                die "ERROR: libx265 version must be >= 17."; }

  5082. enabled libxavs           && require libxavs xavs.h xavs_encoder_encode -lxavs

  5083. enabled libxvid           && require libxvid xvid.h xvid_global -lxvidcore

  5084. enabled libzmq            && require_pkg_config libzmq zmq.h zmq_ctx_new

  5085. enabled libzvbi           && require libzvbi libzvbi.h vbi_decoder_new -lzvbi

  5086. enabled mmal              && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||

  5087.                                 { ! enabled cross_compile && {

  5088.                                     add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;

  5089.                                     add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;

  5090.                                     check_lib interface/mmal/mmal.h mmal_port_connect ; }

  5091.                                 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||

  5092.                                die "ERROR: mmal not found"; }

  5093. enabled nvenc             && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; } &&

  5094.                              { check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 5" ||

  5095.                                die "ERROR: NVENC API version 4 or older is not supported"; } &&

  5096.                              { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }

  5097. enabled openal            && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do

  5098.                                check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||

  5099.                                die "ERROR: openal not found"; } &&

  5100.                              { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||

  5101.                                die "ERROR: openal must be installed and version must be 1.1 or compatible"; }

  5102. enabled opencl            && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||

  5103.                                check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||

  5104.                                die "ERROR: opencl not found"; } &&

  5105.                              { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||

  5106.                                check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||

  5107.                                die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }

  5108. enabled opengl            && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||

  5109.                                check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||

  5110.                                check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||

  5111.                                check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||

  5112.                                die "ERROR: opengl not found."

  5113.                              }

  5114. enabled openssl           && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||

  5115.                                check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||

  5116.                                check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||

  5117.                                die "ERROR: openssl not found"; }

  5118. enabled qtkit_indev      && { check_header_oc QTKit/QTKit.h || disable qtkit_indev; }

  5119. 

  5120. if enabled gnutls; then

  5121.     { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||

  5122.     { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }

  5123. fi

  5124. 

  5125. # libdc1394 check

  5126. if enabled libdc1394; then

  5127.     { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&

  5128.         enable libdc1394_2; } ||

  5129.     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&

  5130.         enable libdc1394_1; } ||

  5131.     die "ERROR: No version of libdc1394 found "

  5132. fi

  5133. if ! disabled sdl; then

  5134.     SDL_CONFIG="${cross_prefix}sdl-config"

  5135.     if check_pkg_config sdl SDL_events.h SDL_PollEvent; then

  5136.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5137.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5138.         enable sdl

  5139.     else

  5140.         if "${SDL_CONFIG}" --version > /dev/null 2>&1; then

  5141.             sdl_cflags=$("${SDL_CONFIG}" --cflags)

  5142.             sdl_libs=$("${SDL_CONFIG}" --libs)

  5143.             check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&

  5144.             check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5145.             check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5146.             enable sdl

  5147.         elif enabled sdl ; then

  5148.             die "ERROR: SDL not found"

  5149.         else

  5150.             disable sdl

  5151.         fi

  5152.     fi

  5153. fi

  5154. enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs

  5155. 

  5156. makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo

  5157. enabled makeinfo && (makeinfo --version | \

  5158.                      grep -q 'makeinfo (GNU texinfo) 5' > /dev/null 2>&1) \

  5159.     && enable makeinfo_html || disable makeinfo_html

  5160. disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html

  5161. perl -v            > /dev/null 2>&1 && enable perl      || disable perl

  5162. pod2man --help     > /dev/null 2>&1 && enable pod2man   || disable pod2man

  5163. rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout

  5164. 

  5165. check_header linux/fb.h

  5166. check_header linux/videodev.h

  5167. check_header linux/videodev2.h

  5168. check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5169. 

  5170. check_header sys/videoio.h

  5171. check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5172. 

  5173. check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"

  5174. # check that WM_CAP_DRIVER_CONNECT is defined to the proper value

  5175. # w32api 3.12 had it defined wrong

  5176. check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines

  5177. 

  5178. check_type "dshow.h" IBaseFilter

  5179. 

  5180. # check for ioctl_meteor.h, ioctl_bt848.h and alternatives

  5181. { check_header dev/bktr/ioctl_meteor.h &&

  5182.   check_header dev/bktr/ioctl_bt848.h; } ||

  5183. { check_header machine/ioctl_meteor.h &&

  5184.   check_header machine/ioctl_bt848.h; } ||

  5185. { check_header dev/video/meteor/ioctl_meteor.h &&

  5186.   check_header dev/video/bktr/ioctl_bt848.h; } ||

  5187. check_header dev/ic/bt8xx.h

  5188. 

  5189. check_header sndio.h

  5190. if check_struct sys/soundcard.h audio_buf_info bytes; then

  5191.     enable_safe sys/soundcard.h

  5192. else

  5193.     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h

  5194.     #include <sys/soundcard.h>

  5195.     audio_buf_info abc;

  5196. EOF

  5197. fi

  5198. check_header soundcard.h

  5199. 

  5200. enabled_any alsa_indev alsa_outdev &&

  5201.     check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound

  5202. 

  5203. enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&

  5204.     check_func jack_port_get_latency_range -ljack

  5205. 

  5206. enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio

  5207. 

  5208. if enabled libcdio; then

  5209.     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5210.     check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5211.     die "ERROR: No usable libcdio/cdparanoia found"

  5212. fi

  5213. 

  5214. enabled xlib &&

  5215.     check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib

  5216. 

  5217. if ! disabled libxcb; then

  5218.     check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {

  5219.         enabled libxcb && die "ERROR: libxcb >= 1.4 not found";

  5220.     } && disable x11grab && enable libxcb

  5221. 

  5222. if enabled libxcb; then

  5223.     disabled libxcb_shm || {

  5224.         check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {

  5225.             enabled libxcb_shm && die "ERROR: libxcb_shm not found";

  5226.         } && check_header sys/shm.h && enable libxcb_shm; }

  5227. 

  5228.     disabled libxcb_xfixes || {

  5229.         check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {

  5230.             enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";

  5231.         } && enable libxcb_xfixes; }

  5232. 

  5233.     disabled libxcb_shape || {

  5234.         check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {

  5235.             enabled libxcb_shape && die "ERROR: libxcb_shape not found";

  5236.         } && enable libxcb_shape; }

  5237. 

  5238.     add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags

  5239.     add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs

  5240. fi

  5241. fi

  5242. 

  5243. if enabled x11grab; then

  5244.     enabled xlib || die "ERROR: Xlib not found"

  5245.     require Xext X11/extensions/XShm.h XShmCreateImage -lXext

  5246.     require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes

  5247. fi

  5248. 

  5249. check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"

  5250. 

  5251. enabled dxva2api_h &&

  5252.     check_cc <<EOF && enable dxva2api_cobj

  5253. #define _WIN32_WINNT 0x0600

  5254. #define COBJMACROS

  5255. #include <windows.h>

  5256. #include <d3d9.h>

  5257. #include <dxva2api.h>

  5258. int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }

  5259. EOF

  5260. 

  5261. enabled vaapi &&

  5262.     check_lib va/va.h vaInitialize -lva ||

  5263.     disable vaapi

  5264. 

  5265. enabled vaapi && enabled xlib &&

  5266.     check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&

  5267.     enable vaapi_x11

  5268. 

  5269. enabled vdpau &&

  5270.     check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||

  5271.     disable vdpau

  5272. 

  5273. enabled vdpau && enabled xlib &&

  5274.     check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&

  5275.     prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&

  5276.     enable vdpau_x11

  5277. 

  5278. # Funny iconv installations are not unusual, so check it after all flags have been set

  5279. disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv

  5280. 

  5281. enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"

  5282. 

  5283. # add some useful compiler flags if supported

  5284. check_cflags -Wdeclaration-after-statement

  5285. check_cflags -Wall

  5286. check_cflags -Wdisabled-optimization

  5287. check_cflags -Wpointer-arith

  5288. check_cflags -Wredundant-decls

  5289. check_cflags -Wwrite-strings

  5290. check_cflags -Wtype-limits

  5291. check_cflags -Wundef

  5292. check_cflags -Wmissing-prototypes

  5293. check_cflags -Wno-pointer-to-int-cast

  5294. check_cflags -Wstrict-prototypes

  5295. check_cflags -Wempty-body

  5296. enabled extra_warnings && check_cflags -Winline

  5297. 

  5298. check_disable_warning(){

  5299.     warning_flag=-W${1#-Wno-}

  5300.     test_cflags $warning_flag && add_cflags $1

  5301. }

  5302. 

  5303. check_disable_warning -Wno-parentheses

  5304. check_disable_warning -Wno-switch

  5305. check_disable_warning -Wno-format-zero-length

  5306. check_disable_warning -Wno-pointer-sign

  5307. 

  5308. # add some linker flags

  5309. check_ldflags -Wl,--warn-common

  5310. check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample

  5311. enabled rpath && add_ldexeflags -Wl,-rpath,$libdir

  5312. test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic

  5313. 

  5314. # add some strip flags

  5315. # -wN '..@*' is more selective than -x, but not available everywhere.

  5316. check_stripflags -wN \'..@*\' || check_stripflags -x

  5317. 

  5318. enabled neon_clobber_test &&

  5319.     check_ldflags -Wl,--wrap,avcodec_open2              \

  5320.                   -Wl,--wrap,avcodec_decode_audio4      \

  5321.                   -Wl,--wrap,avcodec_decode_video2      \

  5322.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  5323.                   -Wl,--wrap,avcodec_encode_audio2      \

  5324.                   -Wl,--wrap,avcodec_encode_video2      \

  5325.                   -Wl,--wrap,avcodec_encode_subtitle    \

  5326.                   -Wl,--wrap,swr_convert                \

  5327.                   -Wl,--wrap,avresample_convert ||

  5328.     disable neon_clobber_test

  5329. 

  5330. enabled xmm_clobber_test &&

  5331.     check_ldflags -Wl,--wrap,avcodec_open2              \

  5332.                   -Wl,--wrap,avcodec_decode_audio4      \

  5333.                   -Wl,--wrap,avcodec_decode_video2      \

  5334.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  5335.                   -Wl,--wrap,avcodec_encode_audio2      \

  5336.                   -Wl,--wrap,avcodec_encode_video       \

  5337.                   -Wl,--wrap,avcodec_encode_video2      \

  5338.                   -Wl,--wrap,avcodec_encode_subtitle    \

  5339.                   -Wl,--wrap,swr_convert                \

  5340.                   -Wl,--wrap,avresample_convert         \

  5341.                   -Wl,--wrap,sws_scale ||

  5342.     disable xmm_clobber_test

  5343. 

  5344. echo "X{};" > $TMPV

  5345. if test_ldflags -Wl,--version-script,$TMPV; then

  5346.     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'

  5347.     check_cc <<EOF && enable symver_asm_label

  5348. void ff_foo(void) __asm__ ("av_foo@VERSION");

  5349. void ff_foo(void) { ${inline_asm+__asm__($quotes);} }

  5350. EOF

  5351.     check_cc <<EOF && enable symver_gnu_asm

  5352. __asm__(".symver ff_foo,av_foo@VERSION");

  5353. void ff_foo(void) {}

  5354. EOF

  5355. fi

  5356. 

  5357. if [ -z "$optflags" ]; then

  5358.     if enabled small; then

  5359.         optflags=$cflags_size

  5360.     elif enabled optimizations; then

  5361.         optflags=$cflags_speed

  5362.     else

  5363.         optflags=$cflags_noopt

  5364.     fi

  5365. fi

  5366. 

  5367. check_optflags(){

  5368.     check_cflags "$@"

  5369.     enabled lto && check_ldflags "$@"

  5370. }

  5371. 

  5372. 

  5373. if enabled lto; then

  5374.     test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"

  5375.     check_cflags  -flto

  5376.     check_ldflags -flto $cpuflags

  5377.     disable inline_asm_direct_symbol_refs

  5378. fi

  5379. 

  5380. check_optflags $optflags

  5381. check_optflags -fno-math-errno

  5382. check_optflags -fno-signed-zeros

  5383. 

  5384. enabled ftrapv && check_cflags -ftrapv

  5385. 

  5386. check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"

  5387. int x;

  5388. EOF

  5389. 

  5390. 

  5391. if enabled icc; then

  5392.     # Just warnings, no remarks

  5393.     check_cflags -w1

  5394.     # -wd: Disable following warnings

  5395.     # 144, 167, 556: -Wno-pointer-sign

  5396.     # 188: enumerated type mixed with another type

  5397.     # 1292: attribute "foo" ignored

  5398.     # 1419: external declaration in primary source file

  5399.     # 10006: ignoring unknown option -fno-signed-zeros

  5400.     # 10148: ignoring unknown option -Wno-parentheses

  5401.     # 10156: ignoring option '-W'; no argument required

  5402.     # 13200: No EMMS instruction before call to function

  5403.     # 13203: No EMMS instruction before return from function

  5404.     check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203

  5405.     # 11030: Warning unknown option --as-needed

  5406.     # 10156: ignoring option '-export'; no argument required

  5407.     check_ldflags -wd10156,11030

  5408.     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test

  5409.     enable ebp_available

  5410.     # The test above does not test linking

  5411.     enabled lto && disable symver_asm_label

  5412.     if enabled x86_32; then

  5413.         icc_version=$($cc -dumpversion)

  5414.         test ${icc_version%%.*} -ge 11 &&

  5415.             check_cflags -falign-stack=maintain-16-byte ||

  5416.             disable aligned_stack

  5417.     fi

  5418. elif enabled ccc; then

  5419.     # disable some annoying warnings

  5420.     add_cflags -msg_disable bitnotint

  5421.     add_cflags -msg_disable mixfuncvoid

  5422.     add_cflags -msg_disable nonstandcast

  5423.     add_cflags -msg_disable unsupieee

  5424. elif enabled gcc; then

  5425.     check_optflags -fno-tree-vectorize

  5426.     check_cflags -Werror=format-security

  5427.     check_cflags -Werror=implicit-function-declaration

  5428.     check_cflags -Werror=missing-prototypes

  5429.     check_cflags -Werror=return-type

  5430.     check_cflags -Werror=vla

  5431.     check_cflags -Wformat

  5432.     check_cflags -fdiagnostics-color=auto

  5433.     enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized

  5434. elif enabled llvm_gcc; then

  5435.     check_cflags -mllvm -stack-alignment=16

  5436. elif enabled clang; then

  5437.     check_cflags -mllvm -stack-alignment=16

  5438.     check_cflags -Qunused-arguments

  5439.     check_cflags -Werror=implicit-function-declaration

  5440.     check_cflags -Werror=missing-prototypes

  5441.     check_cflags -Werror=return-type

  5442. elif enabled cparser; then

  5443.     add_cflags -Wno-missing-variable-declarations

  5444.     add_cflags -Wno-empty-statement

  5445. elif enabled armcc; then

  5446.     add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat

  5447.     add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir

  5448.     # 2523: use of inline assembly is deprecated

  5449.     add_cflags -W${armcc_opt},--diag_suppress=2523

  5450.     add_cflags -W${armcc_opt},--diag_suppress=1207

  5451.     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition

  5452.     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat

  5453.     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign

  5454.     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign

  5455. elif enabled tms470; then

  5456.     add_cflags -pds=824 -pds=837

  5457.     disable inline_asm

  5458. elif enabled pathscale; then

  5459.     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF

  5460. elif enabled_any msvc icl; then

  5461.     enabled x86_32 && disable aligned_stack

  5462.     enabled_all x86_32 debug && add_cflags -Oy-

  5463.     enabled debug && add_ldflags -debug

  5464.     enable pragma_deprecated

  5465.     if enabled icl; then

  5466.         # -Qansi-alias is basically -fstrict-aliasing, but does not work

  5467.         # (correctly) on icl 13.x.

  5468.         check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&

  5469.             add_cflags -Qansi-alias

  5470.         # Some inline asm is not compilable in debug

  5471.         if enabled debug; then

  5472.             disable ebp_available

  5473.             disable ebx_available

  5474.         fi

  5475.     fi

  5476.     # msvcrt10 x64 incorrectly enables log2, only msvcrt12 onwards actually has log2.

  5477.     check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2

  5478. fi

  5479. 

  5480. case $as_type in

  5481.     clang)

  5482.         add_asflags -Qunused-arguments

  5483.     ;;

  5484. esac

  5485. 

  5486. case $ld_type in

  5487.     clang)

  5488.         check_ldflags -Qunused-arguments

  5489.     ;;

  5490. esac

  5491. 

  5492. case $target_os in

  5493.     osf1)

  5494.         enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'

  5495.     ;;

  5496.     plan9)

  5497.         add_cppflags -Dmain=plan9_main

  5498.     ;;

  5499. esac

  5500. 

  5501. enable frame_thread_encoder

  5502. 

  5503. enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }

  5504. 

  5505. check_deps $CONFIG_LIST       \

  5506.            $CONFIG_EXTRA      \

  5507.            $HAVE_LIST         \

  5508.            $ALL_COMPONENTS    \

  5509. 

  5510. 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"

  5511. 

  5512. 

  5513. if test $target_os = "haiku"; then

  5514.     disable memalign

  5515.     disable posix_memalign

  5516. fi

  5517. 

  5518. enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&

  5519.     prepend ffmpeg_libs $($ldflags_filter "-lole32" "-luser32") &&

  5520.     enable dxva2_lib

  5521. 

  5522. ! enabled_any memalign posix_memalign aligned_malloc &&

  5523.     enabled simd_align_16 && enable memalign_hack

  5524. 

  5525. # add_dep lib dep

  5526. # -> enable ${lib}_deps_${dep}

  5527. # -> add $dep to ${lib}_deps only once

  5528. add_dep() {

  5529.     lib=$1

  5530.     dep=$2

  5531.     enabled "${lib}_deps_${dep}" && return 0

  5532.     enable  "${lib}_deps_${dep}"

  5533.     prepend "${lib}_deps" $dep

  5534. }

  5535. 

  5536. # merge deps lib components

  5537. # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*

  5538. merge_deps() {

  5539.     lib=$1

  5540.     shift

  5541.     for comp in $*; do

  5542.         enabled $comp || continue

  5543.         eval "dep=\"\$${comp}_deps\""

  5544.         for d in $dep; do

  5545.             add_dep $lib $d

  5546.         done

  5547.     done

  5548. }

  5549. 

  5550. merge_deps libavfilter $FILTER_LIST

  5551. 

  5552. map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST

  5553. 

  5554. for thread in $THREADS_LIST; do

  5555.     if enabled $thread; then

  5556.         test -n "$thread_type" &&

  5557.             die "ERROR: Only one thread type must be selected." ||

  5558.             thread_type="$thread"

  5559.     fi

  5560. done

  5561. 

  5562. enabled zlib && add_cppflags -DZLIB_CONST

  5563. 

  5564. # conditional library dependencies, in linking order

  5565. enabled amovie_filter       && prepend avfilter_deps "avformat avcodec"

  5566. enabled aresample_filter    && prepend avfilter_deps "swresample"

  5567. enabled asyncts_filter      && prepend avfilter_deps "avresample"

  5568. enabled atempo_filter       && prepend avfilter_deps "avcodec"

  5569. enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"

  5570. enabled elbg_filter         && prepend avfilter_deps "avcodec"

  5571. enabled fftfilt_filter      && prepend avfilter_deps "avcodec"

  5572. enabled mcdeint_filter      && prepend avfilter_deps "avcodec"

  5573. enabled movie_filter    && prepend avfilter_deps "avformat avcodec"

  5574. enabled pan_filter          && prepend avfilter_deps "swresample"

  5575. enabled pp_filter           && prepend avfilter_deps "postproc"

  5576. enabled removelogo_filter   && prepend avfilter_deps "avformat avcodec swscale"

  5577. enabled resample_filter && prepend avfilter_deps "avresample"

  5578. enabled sab_filter          && prepend avfilter_deps "swscale"

  5579. enabled scale_filter    && prepend avfilter_deps "swscale"

  5580. enabled showspectrum_filter && prepend avfilter_deps "avcodec"

  5581. enabled smartblur_filter    && prepend avfilter_deps "swscale"

  5582. enabled subtitles_filter    && prepend avfilter_deps "avformat avcodec"

  5583. enabled uspp_filter         && prepend avfilter_deps "avcodec"

  5584. 

  5585. enabled lavfi_indev         && prepend avdevice_deps "avfilter"

  5586. 

  5587. enabled opus_decoder    && prepend avcodec_deps "swresample"

  5588. 

  5589. expand_deps(){

  5590.     lib_deps=${1}_deps

  5591.     eval "deps=\$$lib_deps"

  5592.     append $lib_deps $(map 'eval echo \$${v}_deps' $deps)

  5593.     unique $lib_deps

  5594. }

  5595. 

  5596. #we have to remove gpl from the deps here as some code assumes all lib deps are libs

  5597. postproc_deps="$(filter_out 'gpl' $postproc_deps)"

  5598. 

  5599. map 'expand_deps $v' $LIBRARY_LIST

  5600. 

  5601. echo "install prefix            $prefix"

  5602. echo "source path               $source_path"

  5603. echo "C compiler                $cc"

  5604. echo "C library                 $libc_type"

  5605. if test "$host_cc" != "$cc"; then

  5606.     echo "host C compiler           $host_cc"

  5607.     echo "host C library            $host_libc_type"

  5608. fi

  5609. echo "ARCH                      $arch ($cpu)"

  5610. if test "$build_suffix" != ""; then

  5611.     echo "build suffix              $build_suffix"

  5612. fi

  5613. if test "$progs_suffix" != ""; then

  5614.     echo "progs suffix              $progs_suffix"

  5615. fi

  5616. if test "$extra_version" != ""; then

  5617.     echo "version string suffix     $extra_version"

  5618. fi

  5619. echo "big-endian                ${bigendian-no}"

  5620. echo "runtime cpu detection     ${runtime_cpudetect-no}"

  5621. if enabled x86; then

  5622.     echo "${yasmexe}                      ${yasm-no}"

  5623.     echo "MMX enabled               ${mmx-no}"

  5624.     echo "MMXEXT enabled            ${mmxext-no}"

  5625.     echo "3DNow! enabled            ${amd3dnow-no}"

  5626.     echo "3DNow! extended enabled   ${amd3dnowext-no}"

  5627.     echo "SSE enabled               ${sse-no}"

  5628.     echo "SSSE3 enabled             ${ssse3-no}"

  5629.     echo "AVX enabled               ${avx-no}"

  5630.     echo "XOP enabled               ${xop-no}"

  5631.     echo "FMA3 enabled              ${fma3-no}"

  5632.     echo "FMA4 enabled              ${fma4-no}"

  5633.     echo "i686 features enabled     ${i686-no}"

  5634.     echo "CMOV is fast              ${fast_cmov-no}"

  5635.     echo "EBX available             ${ebx_available-no}"

  5636.     echo "EBP available             ${ebp_available-no}"

  5637. fi

  5638. if enabled aarch64; then

  5639.     echo "NEON enabled              ${neon-no}"

  5640.     echo "VFP enabled               ${vfp-no}"

  5641. fi

  5642. if enabled arm; then

  5643.     echo "ARMv5TE enabled           ${armv5te-no}"

  5644.     echo "ARMv6 enabled             ${armv6-no}"

  5645.     echo "ARMv6T2 enabled           ${armv6t2-no}"

  5646.     echo "VFP enabled               ${vfp-no}"

  5647.     echo "NEON enabled              ${neon-no}"

  5648.     echo "THUMB enabled             ${thumb-no}"

  5649. fi

  5650. if enabled mips; then

  5651.     echo "MIPS FPU enabled          ${mipsfpu-no}"

  5652.     echo "MIPS32R5 enabled          ${mips32r5-no}"

  5653.     echo "MIPS64R6 enabled          ${mips64r6-no}"

  5654.     echo "MIPS DSP R1 enabled       ${mipsdspr1-no}"

  5655.     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"

  5656.     echo "MIPS MSA enabled          ${msa-no}"

  5657. fi

  5658. if enabled ppc; then

  5659.     echo "AltiVec enabled           ${altivec-no}"

  5660.     echo "PPC 4xx optimizations     ${ppc4xx-no}"

  5661.     echo "PPC VSX optimizations     ${vsx-no}"

  5662.     echo "dcbzl available           ${dcbzl-no}"

  5663. fi

  5664. echo "debug symbols             ${debug-no}"

  5665. echo "strip symbols             ${stripping-no}"

  5666. echo "optimize for size         ${small-no}"

  5667. echo "optimizations             ${optimizations-no}"

  5668. echo "static                    ${static-no}"

  5669. echo "shared                    ${shared-no}"

  5670. echo "postprocessing support    ${postproc-no}"

  5671. echo "new filter support        ${avfilter-no}"

  5672. echo "network support           ${network-no}"

  5673. echo "threading support         ${thread_type-no}"

  5674. echo "safe bitstream reader     ${safe_bitstream_reader-no}"

  5675. echo "SDL support               ${sdl-no}"

  5676. echo "opencl enabled            ${opencl-no}"

  5677. echo "texi2html enabled         ${texi2html-no}"

  5678. echo "perl enabled              ${perl-no}"

  5679. echo "pod2man enabled           ${pod2man-no}"

  5680. echo "makeinfo enabled          ${makeinfo-no}"

  5681. echo "makeinfo supports HTML    ${makeinfo_html-no}"

  5682. test -n "$random_seed" &&

  5683.     echo "random seed               ${random_seed}"

  5684. echo

  5685. 

  5686. echo "External libraries:"

  5687. print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns

  5688. echo

  5689. 

  5690. for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do

  5691.     echo "Enabled ${type}s:"

  5692.     eval list=\$$(toupper $type)_LIST

  5693.     print_enabled '_*' $list | print_3_columns

  5694.     echo

  5695. done

  5696. 

  5697. license="LGPL version 2.1 or later"

  5698. if enabled nonfree; then

  5699.     license="nonfree and unredistributable"

  5700. elif enabled gplv3; then

  5701.     license="GPL version 3 or later"

  5702. elif enabled lgplv3; then

  5703.     license="LGPL version 3 or later"

  5704. elif enabled gpl; then

  5705.     license="GPL version 2 or later"

  5706. fi

  5707. 

  5708. echo "License: $license"

  5709. 

  5710. echo "Creating config.mak, config.h, and doc/config.texi..."

  5711. 

  5712. test -e Makefile || echo "include $source_path/Makefile" > Makefile

  5713. 

  5714. enabled stripping || strip="echo skipping strip"

  5715. 

  5716. config_files="$TMPH config.mak doc/config.texi"

  5717. 

  5718. cat > config.mak <<EOF

  5719. # Automatically generated by configure - do not modify!

  5720. ifndef FFMPEG_CONFIG_MAK

  5721. FFMPEG_CONFIG_MAK=1

  5722. FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION

  5723. prefix=$prefix

  5724. LIBDIR=\$(DESTDIR)$libdir

  5725. SHLIBDIR=\$(DESTDIR)$shlibdir

  5726. INCDIR=\$(DESTDIR)$incdir

  5727. BINDIR=\$(DESTDIR)$bindir

  5728. DATADIR=\$(DESTDIR)$datadir

  5729. DOCDIR=\$(DESTDIR)$docdir

  5730. MANDIR=\$(DESTDIR)$mandir

  5731. SRC_PATH=$source_path

  5732. ifndef MAIN_MAKEFILE

  5733. SRC_PATH:=\$(SRC_PATH:.%=..%)

  5734. endif

  5735. CC_IDENT=$cc_ident

  5736. ARCH=$arch

  5737. INTRINSICS=$intrinsics

  5738. CC=$cc

  5739. CXX=$cxx

  5740. AS=$as

  5741. LD=$ld

  5742. DEPCC=$dep_cc

  5743. DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)

  5744. DEPAS=$as

  5745. DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)

  5746. YASM=$yasmexe

  5747. DEPYASM=$yasmexe

  5748. AR=$ar

  5749. ARFLAGS=$arflags

  5750. AR_O=$ar_o

  5751. RANLIB=$ranlib

  5752. STRIP=$strip

  5753. CP=cp -p

  5754. LN_S=$ln_s

  5755. CPPFLAGS=$CPPFLAGS

  5756. CFLAGS=$CFLAGS

  5757. CXXFLAGS=$CXXFLAGS

  5758. ASFLAGS=$ASFLAGS

  5759. AS_C=$AS_C

  5760. AS_O=$AS_O

  5761. CC_C=$CC_C

  5762. CC_E=$CC_E

  5763. CC_O=$CC_O

  5764. CXX_C=$CXX_C

  5765. CXX_O=$CXX_O

  5766. LD_O=$LD_O

  5767. LD_LIB=$LD_LIB

  5768. LD_PATH=$LD_PATH

  5769. DLLTOOL=$dlltool

  5770. WINDRES=$windres

  5771. DEPWINDRES=$dep_cc

  5772. DOXYGEN=$doxygen

  5773. LDFLAGS=$LDFLAGS

  5774. LDEXEFLAGS=$LDEXEFLAGS

  5775. SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))

  5776. ASMSTRIPFLAGS=$ASMSTRIPFLAGS

  5777. YASMFLAGS=$YASMFLAGS

  5778. BUILDSUF=$build_suffix

  5779. PROGSSUF=$progs_suffix

  5780. FULLNAME=$FULLNAME

  5781. LIBPREF=$LIBPREF

  5782. LIBSUF=$LIBSUF

  5783. LIBNAME=$LIBNAME

  5784. SLIBPREF=$SLIBPREF

  5785. SLIBSUF=$SLIBSUF

  5786. EXESUF=$EXESUF

  5787. EXTRA_VERSION=$extra_version

  5788. CCDEP=$CCDEP

  5789. CXXDEP=$CXXDEP

  5790. CCDEP_FLAGS=$CCDEP_FLAGS

  5791. ASDEP=$ASDEP

  5792. ASDEP_FLAGS=$ASDEP_FLAGS

  5793. CC_DEPFLAGS=$CC_DEPFLAGS

  5794. AS_DEPFLAGS=$AS_DEPFLAGS

  5795. HOSTCC=$host_cc

  5796. HOSTLD=$host_ld

  5797. HOSTCFLAGS=$host_cflags

  5798. HOSTCPPFLAGS=$host_cppflags

  5799. HOSTEXESUF=$HOSTEXESUF

  5800. HOSTLDFLAGS=$host_ldflags

  5801. HOSTLIBS=$host_libs

  5802. DEPHOSTCC=$host_cc

  5803. DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)

  5804. HOSTCCDEP=$HOSTCCDEP

  5805. HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS

  5806. HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS

  5807. HOSTCC_C=$HOSTCC_C

  5808. HOSTCC_O=$HOSTCC_O

  5809. HOSTLD_O=$HOSTLD_O

  5810. TARGET_EXEC=$target_exec $target_exec_args

  5811. TARGET_PATH=$target_path

  5812. TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}

  5813. CFLAGS-ffplay=$sdl_cflags

  5814. ZLIB=$($ldflags_filter -lz)

  5815. LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD

  5816. EXTRALIBS=$extralibs

  5817. COMPAT_OBJS=$compat_objs

  5818. EXEOBJS=$exeobjs

  5819. INSTALL=$install

  5820. LIBTARGET=${LIBTARGET}

  5821. SLIBNAME=${SLIBNAME}

  5822. SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}

  5823. SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}

  5824. SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}

  5825. SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}

  5826. SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}

  5827. SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}

  5828. SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}

  5829. SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}

  5830. SAMPLES:=${samples:-\$(FATE_SAMPLES)}

  5831. NOREDZONE_FLAGS=$noredzone_flags

  5832. EOF

  5833. 

  5834. get_version(){

  5835.     lcname=lib${1}

  5836.     name=$(toupper $lcname)

  5837.     file=$source_path/$lcname/version.h

  5838.     eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")

  5839.     enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))

  5840.     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO

  5841.     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak

  5842.     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak

  5843.     eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak

  5844. }

  5845. 

  5846. map 'get_version $v' $LIBRARY_LIST

  5847. 

  5848. map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST

  5849. 

  5850. print_program_libs(){

  5851.     eval "program_libs=\$${1}_libs"

  5852.     eval echo "LIBS-${1}=${program_libs}" >> config.mak

  5853. }

  5854. 

  5855. map 'print_program_libs $v' $PROGRAM_LIST

  5856. 

  5857. cat > $TMPH <<EOF

  5858. /* Automatically generated by configure - do not modify! */

  5859. #ifndef FFMPEG_CONFIG_H

  5860. #define FFMPEG_CONFIG_H

  5861. #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"

  5862. #define FFMPEG_LICENSE "$(c_escape $license)"

  5863. #define CONFIG_THIS_YEAR 2015

  5864. #define FFMPEG_DATADIR "$(eval c_escape $datadir)"

  5865. #define AVCONV_DATADIR "$(eval c_escape $datadir)"

  5866. #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"

  5867. #define av_restrict $_restrict

  5868. #define EXTERN_PREFIX "${extern_prefix}"

  5869. #define EXTERN_ASM ${extern_prefix}

  5870. #define BUILDSUF "$build_suffix"

  5871. #define SLIBSUF "$SLIBSUF"

  5872. #define HAVE_MMX2 HAVE_MMXEXT

  5873. #define SWS_MAX_FILTER_SIZE $sws_max_filter_size

  5874. EOF

  5875. 

  5876. test -n "$assert_level" &&

  5877.     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH

  5878. 

  5879. test -n "$malloc_prefix" &&

  5880.     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH

  5881. 

  5882. if enabled yasm; then

  5883.     append config_files $TMPASM

  5884.     printf '' >$TMPASM

  5885. fi

  5886. 

  5887. enabled getenv || echo "#define getenv(x) NULL" >> $TMPH

  5888. 

  5889. 

  5890. mkdir -p doc

  5891. mkdir -p tests

  5892. echo "@c auto-generated by configure" > doc/config.texi

  5893. 

  5894. print_config ARCH_   "$config_files" $ARCH_LIST

  5895. print_config HAVE_   "$config_files" $HAVE_LIST

  5896. print_config CONFIG_ "$config_files" $CONFIG_LIST       \

  5897.                                      $CONFIG_EXTRA      \

  5898.                                      $ALL_COMPONENTS    \

  5899. 

  5900. echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH

  5901. echo "endif # FFMPEG_CONFIG_MAK" >> config.mak

  5902. 

  5903. # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.

  5904. cp_if_changed $TMPH config.h

  5905. touch .config

  5906. 

  5907. enabled yasm && cp_if_changed $TMPASM config.asm

  5908. 

  5909. cat > $TMPH <<EOF

  5910. /* Generated by ffconf */

  5911. #ifndef AVUTIL_AVCONFIG_H

  5912. #define AVUTIL_AVCONFIG_H

  5913. EOF

  5914. 

  5915. print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB

  5916. 

  5917. echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH

  5918. 

  5919. cp_if_changed $TMPH libavutil/avconfig.h

  5920. 

  5921. if test -n "$WARNINGS"; then

  5922.     printf "\n$WARNINGS"

  5923.     enabled fatal_warnings && exit 1

  5924. fi

  5925. 

  5926. # build pkg-config files

  5927. 

  5928. lib_version(){

  5929.     eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""

  5930. }

  5931. 

  5932. pkgconfig_generate(){

  5933.     name=$1

  5934.     shortname=${name#lib}${build_suffix}

  5935.     comment=$2

  5936.     version=$3

  5937.     libs=$4

  5938.     requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))

  5939.     requires=${requires%, }

  5940.     enabled ${name#lib} || return 0

  5941.     mkdir -p $name

  5942.     cat <<EOF > $name/$name${build_suffix}.pc

  5943. prefix=$prefix

  5944. exec_prefix=\${prefix}

  5945. libdir=$libdir

  5946. includedir=$incdir

  5947. 

  5948. Name: $name

  5949. Description: $comment

  5950. Version: $version

  5951. Requires: $(enabled shared || echo $requires)

  5952. Requires.private: $(enabled shared && echo $requires)

  5953. Conflicts:

  5954. Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)

  5955. Libs.private: $(enabled shared && echo $libs)

  5956. Cflags: -I\${includedir}

  5957. EOF

  5958. 

  5959. mkdir -p doc/examples/pc-uninstalled

  5960. includedir=${source_path}

  5961. [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."

  5962.     cat <<EOF > doc/examples/pc-uninstalled/$name.pc

  5963. prefix=

  5964. exec_prefix=

  5965. libdir=\${pcfiledir}/../../../$name

  5966. includedir=${includedir}

  5967. 

  5968. Name: $name

  5969. Description: $comment

  5970. Version: $version

  5971. Requires: $requires

  5972. Conflicts:

  5973. Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)

  5974. Cflags: -I\${includedir}

  5975. EOF

  5976. }

  5977. 

  5978. pkgconfig_generate libavutil     "FFmpeg utility library"               "$LIBAVUTIL_VERSION"     "$LIBRT $LIBM"

  5979. pkgconfig_generate libavcodec    "FFmpeg codec library"                 "$LIBAVCODEC_VERSION"    "$extralibs"

  5980. pkgconfig_generate libavformat   "FFmpeg container format library"      "$LIBAVFORMAT_VERSION"   "$extralibs"

  5981. pkgconfig_generate libavdevice   "FFmpeg device handling library"       "$LIBAVDEVICE_VERSION"   "$extralibs"

  5982. pkgconfig_generate libavfilter   "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION"   "$extralibs"

  5983. pkgconfig_generate libpostproc   "FFmpeg postprocessing library"        "$LIBPOSTPROC_VERSION"   ""

  5984. pkgconfig_generate libavresample "Libav audio resampling library"       "$LIBAVRESAMPLE_VERSION" "$LIBM"

  5985. pkgconfig_generate libswscale    "FFmpeg image rescaling library"       "$LIBSWSCALE_VERSION"    "$LIBM"

  5986. pkgconfig_generate libswresample "FFmpeg audio resampling library"      "$LIBSWRESAMPLE_VERSION" "$LIBM"